From: Sylvie Gallet <Sylvie_Gallet@compuserve.com>
Subject: (fractint) A test.... + a par
Date: 01 Mar 1998 03:21:56 -0500

Hi All,

  I haven't got any message for about 24 hours so I am wondering if the
list is down...

gravijul-v2 { ; Variation on Mark Christenson's gravijul by Sylvie Gallet=

   z =3D pixel :
   w =3D fn1(real(z)) , x =3D fn3(p1/fn2(w*w))
   w =3D fn1(imag(z)) , y =3D fn3(p1/fn2(w*w))
   z =3D x + flip(y) + p2
    |z| < p3
  }

sg_gravijul-v2_03  { ; .                                    t=3D  0:02:17=
=2E48
                     ; Copyright Sylvie Gallet, Feb 27, 1998
                     ; <sylvie_gallet@compuserve.com>
                     ; t=3Dcalc time using a Pentium 166 at 1600 x 1200
  reset=3D1960 type=3Dformula formulafile=3Dsg_gravj.par
  formulaname=3Dgravijul-v2 function=3Dtan/sqrt/recip passes=3D1
  center-mag=3D0.177926/0.615303/0.5038743/1/122.5
  params=3D1.1/0/0.2/0/2.95/2 float=3Dy maxiter=3D300 inside=3D0
  invert=3D1/0.2/0.15 decomp=3D256
  colors=3D000605<8>`0Rzzwb0T<9>000B08<34>b0Tzzwb0U<34>403302000<22>YYT__=
V``\
  WbbYccZ<6>nniookqqmrrottp<3>zzw<14>YYUWWRUUQ<13>222000000<82>302
  }

  Cheers,

        - Sylvie

 E-mail:
   Sylvie_Gallet@CompuServe.com
 Visit my exhibit at Museun of Computer Art:
   http://www.dorsai.org/~moca/
 My Fractal Galleries:
   http://spanky.triumf.ca/www/fractint/sylvie/gallet.html
   http://ourworld.compuserve.com/homepages/Sylvie_Gallet/homepage.htm

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From: kathy roth <kroth@well.com>
Subject: (fractint) gravijul-v2
Date: 01 Mar 1998 01:59:27 -0800

I think the list is working - maybe everyone's afraid of making
an off-topic post.  Here's another gravijul-2.  What a versatile
formula.

tile_floor         { ; kathy roth
                     ; frm by Sylvie Gallet
  reset=1960 type=formula formulafile=gravij~2.frm
  formulaname=gravijul-v2 function=tan/sqrt/recip passes=1
  center-mag=-1.59872e-014/8.88178e-015/0.04930966 params=1/1/1/1/1/1
  float=y maxiter=300 inside=0 decomp=256
 colors=0004ZV<4>1VQ0UP1UP<11>GaPHaPIb\
PKcPKcQLdR<19>bvkcwmbvl<30>MS2LR0MS\
 0<36>st4<5>TZQLSXGO`CLd<7>Ums<5>hrwhr\
wgqv<31>OOlNNlOOl<45>wwm<15>0mm<7>8\
  eb9da9da<6>5_W
  }

tile_repeat         { ; kathy roth
                     ; frm by Sylvie Gallet
  reset=1960 type=formula formulafile=fractint.frm
  formulaname=gravijul-v2 function=tan/sqrt/recip passes=1
  center-mag=-1.59872e-014/8.88178e-015/0.04930966 params=1/1/1/1/1/1
  float=y maxiter=300 inside=0 decomp=256
 colors=000_zn<6>LO3<8>px9<5>KMGFGIBBM\
<14>WWz<7>J9J<15>zWz<7>J09<15>z0W<7\
  >J90<15>zW0<7>JJ0<15>zz0<7>99J<15>WWz\
<7>0J9<15>0zW<7>0JJ<14>0xx0zz2tt<6>\
  JE9<15>yjU<7>BJF<14>Zwl
  }



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From: Peter Jakubowicz <pfjakub@earthlink.net>
Subject: (fractint) Colors
Date: 01 Mar 1998 06:34:28 -0800

Hi,
Does anyone have a colormap they might be willing to share that wld create
the effect of a bug in amber? I have tried and I am unable to do this
myself, and now I shall go to bed; but it is discouraging to create images
that otherwise would be cool if the colors were right. So I'd really
appreciate it if if maybe someone cld at least give some general tips
toward getting these colors. I am Sylvie Gallet's triangle formulas and
using the Fractint color editor. And once again: the desired effect is: A
BUG PRESERVED IN AMBER.
Thank you.

<post scriptum>

I recently obtained a copy of Fractals for Windows. Now the authors of this
book are very enthusiastic about Winfract (this was circa 1991). However,
it is unclear what version of that program the book addresses, because the
installation program doesn't work Win95. 
I considered playing with the current version (18.21, I think) available on
the Fractint page, but for seem reason this seems to be discouraged (it
says something like, OK, if you _really_ want it, here it is, but be
forewarned). Has anyone used this w/ happy results? Also if someone has an
executable version of the Winfract version that shipped w/ the book and
wouldn't mind sending it to me, or can tell me where I might download this,
I would appreciate that, too. My mail server allows huge binary
attachments. As a very last resort I wld re-compile it; however, I have a
relatively small hard drive and don't really have room to put my Borland
4.xx compiler back on. I'd have to delete somthing big, like Windoze.
Goodbye.  


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From: FIRSTNAME LASTNAME <whookam88@yahoo.com>
Subject: Re: (fractint) A test.... + a par
Date: 01 Mar 1998 03:57:06 -0800 (PST)






---Sylvie Gallet <Sylvie_Gallet@compuserve.com> wrote:
>
> Hi All,
> 
>   I haven't got any message for about 24 hours so I am wondering if
the
> list is down...
> 
> gravijul-v2 { ; Variation on Mark Christenson's gravijul by Sylvie
Gallet
>    z = pixel :
>    w = fn1(real(z)) , x = fn3(p1/fn2(w*w))
>    w = fn1(imag(z)) , y = fn3(p1/fn2(w*w))
>    z = x + flip(y) + p2
>     |z| < p3
>   }
> 
> sg_gravijul-v2_03  { ; .                                    t= 
0:02:17.48
>                      ; Copyright Sylvie Gallet, Feb 27, 1998
>                      ; <sylvie_gallet@compuserve.com>
>                      ; t=calc time using a Pentium 166 at 1600 x 1200
>   reset=1960 type=formula formulafile=sg_gravj.par
>   formulaname=gravijul-v2 function=tan/sqrt/recip passes=1
>   center-mag=0.177926/0.615303/0.5038743/1/122.5
>   params=1.1/0/0.2/0/2.95/2 float=y maxiter=300 inside=0
>   invert=1/0.2/0.15 decomp=256
>  
colors=000605<8>`0Rzzwb0T<9>000B08<34>b0Tzzwb0U<34>403302000<22>YYT__V``\
>   WbbYccZ<6>nniookqqmrrottp<3>zzw<14>YYUWWRUUQ<13>222000000<82>302
>   }
> 
>   Cheers,
> 
>         - Sylvie
> 
 

Thank GOD!  I thought it was just my setup.  I haven't gotten mail at
either of my accounts.  Maybe it's SUNSPOTS.  Who knows?  Call Mulder
& Scully, maybe they'll find out.  8->



                      L8R


                James R. McKenzie



_________________________________________________________
DO YOU YAHOO!?
Get your free @yahoo.com address at http://mail.yahoo.com


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From: "Jason Hine" <tumnus@together.net>
Subject: Re: (fractint) Approx. M w/geom (longish)
Date: 01 Mar 1998 09:22:25 -0500

Mrvn wonders:
>What I now wonder is, if anyone knows how to construct a good
>aproximation of the mset by gemoetrical shapes.


Well, I've done a little experimentation, and come up with a method for finding
the tangent points for all the buds off the main cardioid.  It is an iterative
process in that you need to know the tangent point of some bulbs before you can
calculate the tangent points of other bulbs.  Once again, I *intend* to have a
graphical description up on my web page by the end of the weekend, but I can't
promise this.  Below is the verbal description.

We will be concerned only with calculating tangents for bulbs off the upper
(Quadrants I & II) half of the main cardioid, since the bottom half is a mirror
image of the upper.  Consider that there is a series of largest bulbs off the
main cardioid, starting with the huge period 2 bulb, then including the period 3
bulb, the period 4 bulb, etc., where the next bulb is always the next largest
one to be found travelling in a certain direction along the edge of the
cardioid.   Let us call this first series A.

The procedure for finding the tangent point of any of the bulbs in series A was
described in detail in my last email on this subject... what we are interested
in is knowing the angle, which we'll call theta, to use in the procedure.  For
series A,

     theta = 360/p

where p is the period of the bulb in question.  Therefore, theta = 180 for the
period 2 bulb, 120 for the period 3 bulb, and so on.

But what about the bulbs between these bulbs?  Let's look at the period 5 bulb
to be found approximately halfway between the period 2 and 3 bulbs.  The period
5 bulb (which will be abbreviated as p5 from now on, to be read as 'the bulb
where the period equals 5') can be thought of as the largest bulb in *two*
'smaller' series of bulbs which consist of the larger, smoothly shrinking bulbs
on either side of p5.  The series extending clockwise from p5 consists of
{p5,p8,p11,...,p(3p+2)}, and the series extending counter-clockwise from p5
consists of {p5,p7,p9,...,p(2p+3)}.

Now, we need to be able to recognize these so-called series of bulbs because in
order to find theta for a bulb, we must know the tangent point of a bulb which
'bounds' its series.  For example, the p5 bulb's clockwise series is bounded by
p3, and its counter-clockwise series by p2.  Let's denote a bounding bulb as
b(p), and the angle theta for the bounding bulb as theta(b(p)) (note: no
multiplication is meant to be implied here - it is just a labelling method).
Using this notation, we can define theta for any bulb off the main cardioid as:

theta = theta(b(p)) +/- theta(b(p)) / p

The +/- will be a plus sign if the bounding bulb is clockwise from the bulb in
question, and a minus sign if the bounding bulb is counter-clockwise from the
bulb in question.

Let's work through an example or two.  As we've already determined, the p5
bulb's bounding bulbs are p2 and p3. To find theta for p5, we need to know theta
for at least one of these bounding bulbs; we have already done this above.  To
find theta for p5 using the p2 bulb:

theta = 180 - 180/5 = 144

Or, to find it using p3:

theta = 120 + 120/5 = 144

As one more example, consider p11 between our p5 and p3 bulbs.  What are p11's
boundary bulbs?  They are the bulbs which define the 'series' to which p11
belongs.  To determine this series, start with p11 and move along the edge of
the cardioid until a bulb is found which fits the description of a 'local
maximum' in regards to size (not period number).  Moving counter-clockwise, we
encounter the p8 bulb (which is larger than p11 in size), but if we move almost
the same distance again, we encounter p5 - this is one bounding bulb of the
series to which p11 belongs.  Looking clockwise from p11, the next largest bulb
is p3 - this is the other bounding bulb.  And because we have already figured
out theta for p5 and p3, we can find theta for p11 as either:
theta = 120 + 120/11
or
theta = 144 - 144/11

I will really try to get some graphics going on my web page this afternoon,
really!
Cheers, Jason



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From: Wizzle <wizzle@cci-internet.com>
Subject: Re: (fractint) Colors
Date: 01 Mar 1998 08:15:28 -0800

I discuss Winfract vs. Fractint in some depth at

http://wizzle.simplenet.com/fractals/hints/tips-fractint.htm

It's a perfectly good program, but it does have some limitations.  On the
other hand...for organizing files....particularly looking at color maps
with an eye to deleting some or renaming files....it is very useful, I find. 

Angela

ps....bugmaps sent as attachments via separate email

>BUG PRESERVED IN AMBER.
>Thank you.
>
><post scriptum>
>
>I recently obtained a copy of Fractals for Windows. Now the authors of this
>book are very enthusiastic about Winfract (this was circa 1991). However,
>it is unclear what version of that program the book addresses, because the
>installation program doesn't work Win95. 
>I considered playing with the current version (18.21, I think) available on
>the Fractint page, but for seem reason this seems to be discouraged (it
>says something like, OK, if you _really_ want it, here it is, but be
>forewarned). Has anyone used this w/ happy results? <<snipped here and there>>

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From: alex dukay <dukay@interlog.com>
Subject: Re: (fractint) A test.... + a par
Date: 01 Mar 1998 13:40:09 -0500

please don't repeat an entire message...
like Sylvie Gallet's last posting
Alex

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From: "Peter Gavin" <pgavin@mindspring.com>
Subject: (fractint) 3d Mandexp fractals
Date: 01 Mar 1998 16:19:26 -0500

Can someone explain to me how I can make a 3D fractal, if I use "c= x + yi"
(the current point) and "w" is the third coordinate, and plug them into the
formula

"z(n+1) = z(n) ^ w + c"

It's kinda like sliding the mandexp set through a third dimension and using
that corrdinate as the real exponent component.  If this is possible, and
you understand what I am saying, email me back...

Thanks,
Pete
pgavin@mindspring.com



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From: "Jason Hine" <tumnus@together.net>
Subject: (fractint) Re: A Geom Construction of the M-set
Date: 01 Mar 1998 16:59:04 -0500

To all interested,

Ok, I've got a few pictures to help with my description of how to find the
tangent points for all the bulbs off the main cardioid.  I'm not sure where to
take it from here... I can see how the buds off the period 2 bulb might be
described, but what about period 3?  How does one describe the line which
represents the 'x-axis' for the period 3 bulb?  I'd check out relative areas of
bulbs, but I think this has already been done - anyone have two cents to add?

Anyway, For a mediocre improvement of my last couple emails on this subject,
check out:

http://boralf.agsci.colostate.edu/~jason/fracpages/geo_mset.htm

Laters, Jason Hine


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From: Janet Preslar <preslar@memphisonline.com>
Subject: (fractint) Video RAM
Date: 01 Mar 1998 17:27:39 -0600

Does anyone have any experience using 8MB Video RAM (as opposed to 4MB) with
Fractint?

Janet


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From: Jason Lee <jl003f@uhura.cc.rochester.edu>
Subject: (fractint) Re: Colors
Date: 01 Mar 1998 19:11:55 -0500

At 06:34 AM 3/1/98 -0800, you wrote:

>Hi,
>Does anyone have a colormap they might be willing to share that wld create
>the effect of a bug in amber? 
<POST SNIPPUM>   ;)

I believe that lyapunov.map would be a good place to start.  The colors are
relatively close.  However, you might need to do a bit of cycling or actual
map editing to get it right, depending on what you're trying to amberize(?).


>I considered playing with the current version (18.21, I think) available on
>the Fractint page, but for seem reason this seems to be discouraged (it
>says something like, OK, if you _really_ want it, here it is, but be
>forewarned). Has anyone used this w/ happy results? 

I have.  It's good for if I want to pop into Fractint and do a quick render
of something (like the Mandelbrot Set) at low-res so that I can play with
it in Photoshop.  


>Also if someone has an
>executable version of the Winfract version that shipped w/ the book and
>wouldn't mind sending it to me, or can tell me where I might download this,
>I would appreciate that, too. 

I wonder if that actually was 18.21...  I haven't seen any updates to
Winfract for awhile.

-Jason

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From: Mark Christenson <mchris@hooked.net>
Subject: (fractint) Sender: owner-fractint@lists.xmission.com
Date: 01 Mar 1998 16:26:23 -0800

comment { commentary and pars by Mark "Bud" Christenson 3/1/98

Wow, Sylvie!  Awesome variant!  Now I need to get some work done.
In the mean time, check out the product of several wasted hours...

Bud

}

gjv2-01            { ; "Grade", (c)  Bud 3/1/98
                     ; frm gjv2 by Sylvie Gallet
  reset=1930 type=formula formulafile=filist.frm
  formulaname=gravijul-v2 function=acos/sqrt/recip passes=t
  center-mag=0/0/0.3899791 params=0/0.8/0/0/4/0
  float=y maxiter=300 inside=0 decomp=256
  colors=000yx0yy0zz0<64>1z00z00z00y0<12>0l00k00j2<15>0MY0L_1L_<3>8JX00K33\

M76PA9RCASEBTGDU<2>LFUNGVPHVQIWRIW<3>ZMY_NZaOZbOZ<3>hR_iR_kS_mT_nU`
pV`rW\
  a<10>yjhzliznk<6>zxxzzzyzz<30>4WW2VV2UV1TU<15>0FF<15>s_0<27>yw0
  }

gjv2-02            { ; "Induction", (c)  Bud 3/1/98
                     ; frm gjv2 by Sylvie Gallet
  reset=1930 type=formula formulafile=filist.frm
  formulaname=gravijul-v2 function=atanh/sqrt/recip passes=t
  center-mag=0/0/0.3462885 params=0/0.9/0/0/4/0
  float=y maxiter=300 inside=0 decomp=256
  colors=000yx0yy0zz0<64>1z00z00z00y0<12>0l0mmz<5>Hgk<3>7`d4Zb3W`<4>0JU00K\

<7>76PA9R<2>GDUIEUJEULFUNGVPHVQIW<4>ZMY_NZaOZbOZdPZ<2>hR_iR_kS_mT_<2
>rWa\
  sXbsZb<8>yjhzliznk<6>zxxzzzyzz<30>4WW2VV2UV<16>0FF<8>Z77b66d86<4>oN3rQ3t\
  T2wW1xa1zh0zq0zz0zz0zZ0<6>zz0vn0<10>yw0
  }

gjv2-04            { ; "Internal Reflections", (c)  Bud 3/1/98
                     ; frm gjv2 by Sylvie Gallet
  reset=1930 type=formula formulafile=filist.frm
  formulaname=gravijul-v2 function=sin/log/acosh passes=t
  center-mag=0/0.78/0.426 params=0/1.2/0/0/4/0 float=y
  maxiter=300 inside=0 decomp=256

colors=GG`<3>CCYCCYCDY<17>CRTCRTCSSCSSCTS<12>CeRDeRFfR<30>xyDzzCzyC<6>
wo\

CwmCwmC<15>naEnaEm`D<5>kXDjWDjVDiUCiTChSC<3>gPBfOAfNAeM9eL9<20>W11V00V
11\
  <14>_CC_DD_EE`FF`FF`GG<25>nddoeepggqhh<3>unnupovqqvrr<3>yxxzzzzzz<47>HH`
  cyclerange=0/255
  }

frm:gravijul-v2 { ; Variation on Mark Christenson's gravijul by Sylvie Gallet
   z = pixel :
   w = fn1(real(z)) , x = fn3(p1/fn2(w*w))
   w = fn1(imag(z)) , y = fn3(p1/fn2(w*w))
   z = x + flip(y) + p2
    |z| < p3
  }



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From: "Tim Wegner" <twegner@phoenix.net>
Subject: (fractint) (Fwd) Fix needed for F-tint 20
Date: 01 Mar 1998 18:26:10 -0600

Can anyone else duplicate this problem? With Bob's permission I am 
posting some mail he sent me privately. I can't duplicate this. The 
built-in limit seems to be 2000 formula entries in a file. If I can 
duplicate the problem I will look into it.

Tim

------- Forwarded Message Follows -------
Reply-to:      rttyman@wwa.com

Hi Tim:

I've noticed a problem with Fractint with regards to the number of
formulas that can be stored in one file. Because of this problem, I
limit myself to having no more than 100 formulas in a file. I discovered
that when I had somewhere around 150 formulas, the formula names listed
on the selection menu would run up against each other like this:
formula1formula2formula3 etc. It didn't matter how few characters there
were, the same thing would happen even if they were frm1frm2frm3frm4frm
etc. This problem does not occur with parameter files ot color map
files. Would you kindly rectify this snafu in FractInt20? I'd be
eternally grateful to you.

Bob Margolis


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-------------------------------------------------------------------------------

From: Mark Christenson <mchris@hooked.net>
Subject: (fractint) gravijul-v2 (second transmission)
Date: 01 Mar 1998 16:49:28 -0800

comment { commentary and pars by Mark "Bud" Christenson 3/1/98

Sorry for the screwed-up subject line in my last msg.

Wow, Sylvie!  Awesome variant!  Now I need to get some work done.
In the mean time, check out the product of several wasted hours...

Bud

}

gjv2-01            { ; "Grade", (c)  Bud 3/1/98
                     ; frm gjv2 by Sylvie Gallet
  reset=1930 type=formula formulafile=filist.frm
  formulaname=gravijul-v2 function=acos/sqrt/recip passes=t
  center-mag=0/0/0.3899791 params=0/0.8/0/0/4/0
  float=y maxiter=300 inside=0 decomp=256
  colors=000yx0yy0zz0<64>1z00z00z00y0<12>0l00k00j2<15>0MY0L_1L_<3>8JX00K33\

M76PA9RCASEBTGDU<2>LFUNGVPHVQIWRIW<3>ZMY_NZaOZbOZ<3>hR_iR_kS_mT_nU`
pV`rW\
  a<10>yjhzliznk<6>zxxzzzyzz<30>4WW2VV2UV1TU<15>0FF<15>s_0<27>yw0
  }

gjv2-02            { ; "Induction", (c)  Bud 3/1/98
                     ; frm gjv2 by Sylvie Gallet
  reset=1930 type=formula formulafile=filist.frm
  formulaname=gravijul-v2 function=atanh/sqrt/recip passes=t
  center-mag=0/0/0.3462885 params=0/0.9/0/0/4/0
  float=y maxiter=300 inside=0 decomp=256
  colors=000yx0yy0zz0<64>1z00z00z00y0<12>0l0mmz<5>Hgk<3>7`d4Zb3W`<4>0JU00K\

<7>76PA9R<2>GDUIEUJEULFUNGVPHVQIW<4>ZMY_NZaOZbOZdPZ<2>hR_iR_kS_mT_<2
>rWa\
  sXbsZb<8>yjhzliznk<6>zxxzzzyzz<30>4WW2VV2UV<16>0FF<8>Z77b66d86<4>oN3rQ3t\
  T2wW1xa1zh0zq0zz0zz0zZ0<6>zz0vn0<10>yw0
  }

gjv2-04            { ; "Internal Reflections", (c)  Bud 3/1/98
                     ; frm gjv2 by Sylvie Gallet
  reset=1930 type=formula formulafile=filist.frm
  formulaname=gravijul-v2 function=sin/log/acosh passes=t
  center-mag=0/0.78/0.426 params=0/1.2/0/0/4/0 float=y
  maxiter=300 inside=0 decomp=256

colors=GG`<3>CCYCCYCDY<17>CRTCRTCSSCSSCTS<12>CeRDeRFfR<30>xyDzzCzyC<6>
wo\

CwmCwmC<15>naEnaEm`D<5>kXDjWDjVDiUCiTChSC<3>gPBfOAfNAeM9eL9<20>W11V00V
11\
  <14>_CC_DD_EE`FF`FF`GG<25>nddoeepggqhh<3>unnupovqqvrr<3>yxxzzzzzz<47>HH`
  cyclerange=0/255
  }

frm:gravijul-v2 { ; Variation on Mark Christenson's gravijul by Sylvie Gallet
   z = pixel :
   w = fn1(real(z)) , x = fn3(p1/fn2(w*w))
   w = fn1(imag(z)) , y = fn3(p1/fn2(w*w))
   z = x + flip(y) + p2
    |z| < p3
  }



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From: Sylvie Gallet <Sylvie_Gallet@compuserve.com>
Subject: (fractint) gravijul-v2 (second transmission)
Date: 02 Mar 1998 18:24:41 -0500

Hi Bud,

>> Wow, Sylvie!  Awesome variant!  Now I need to get some work done. In
>> the mean time, check out the product of several wasted hours...

  Wow!

  Here is another one:

sg_gravijul-v3_07  { ; .                                    t=3D  0:00:49=
=2E38
                     ; Copyright Sylvie Gallet, Mar 01, 1998
                     ; <sylvie_gallet@compuserve.com>
                     ; t=3Dcalc time using a Pentium 166 at 1600 x 1200
  reset=3D1960 type=3Dformula formulafile=3Dsg_gravj.par
  formulaname=3Dgravijul-v3 function=3Dflip/asin/asin passes=3D1
  center-mag=3D4.44089e-016/0/0.03026086/1/45 params=3D32/0/8/0/6/0
  float=3Dy maxiter=3D256 decomp=3D256 periodicity=3D0
  colors=3DrrrcYK<10>VMBUKAUKA<40>vvbwwcwvc<32>UPF000<106>000UKA<30>vubww=
cwv\
  c<21>dZL000 cyclerange=3D1/254
  }

sg_gravijul-v3_08  { ; .                                    t=3D  0:00:57=
=2E78
                     ; Copyright Sylvie Gallet, Mar 02, 1998
                     ; <sylvie_gallet@compuserve.com>
                     ; t=3Dcalc time using a Pentium 166 at 1600 x 1200
  reset=3D1960 type=3Dformula formulafile=3Dsg_gravj.par
  formulaname=3Dgravijul-v3 function=3Dasinh/log/asinh passes=3D1
  center-mag=3D1.77636e-015/-1.55431e-015/0.08372294/1/150
  params=3D13.5/0/-11.5/0/2.5/0 float=3Dy maxiter=3D511 decomp=3D256
  periodicity=3D0
  colors=3DpnX<5>vubwwcwvc<25>`VI_UHYTG<5>RMBPKAPKA<17>e`MfaNgbOhcPidQieQ=
<17\
  >vvbwwcwvc<23>aYM`XLZVK<13>332000000<77>000000100211<11>GD7HE8IF9JGAKHA=
<\
  10>XTJYUJZVK_WK`XL<2>c_Md`NeaOfbPgcQ<6>olW cyclerange=3D0/255
  }

sg_gravijul-v3_09  { ; .                                    t=3D  0:01:01=
=2E96
                     ; Copyright Sylvie Gallet, Mar 03, 1998
                     ; <sylvie_gallet@compuserve.com>
                     ; t=3Dcalc time using a Pentium 166 at 1600 x 1200
  reset=3D1960 type=3Dformula formulafile=3Dsg_gravj.par
  formulaname=3Dgravijul-v3 function=3Dcotanh/flip/log passes=3D1
  center-mag=3D0/2.77556e-017/0.6987274/0.6283/-18.855/14.713
  params=3D-3.6/0/1/0/3.14159265358979/0 float=3Dy maxiter=3D256 inside=3D=
0
  decomp=3D256 periodicity=3D0
  colors=3D806<19>604604714<8>D54000<31>WM1WM1XN1YN2ZO2<9>fU7gV7hW8iW9<16=
>qe\
  LqfMrfNrfN<18>zpZ000<5>000zwh<30>qiYphXphXogWnfV<28>QLBPKBNJA<12>221000=
0\
  00<45>000 cyclerange=3D0/255
  }

frm:gravijul-v3 { ; Variation on Mark Christenson's gravijul by Sylvie
Gallet
   z =3D pixel:
   w =3D fn1(z)
   z =3D fn3(fn2(w*w)^p1) + p2
    |z| < p3
  }

  Cheers,

        - Sylvie

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From: Rich Thomson <rthomson@ptc.com>
Subject: Re: (fractint) 3d Mandexp fractals 
Date: 02 Mar 1998 13:01:17 -0700


In article <019401bd4557$b7f1f280$6282cdcf@MS202705> ,
    "Peter Gavin" <pgavin@mindspring.com>  writes:
> Can someone explain to me how I can make a 3D fractal, if I use "c= x + yi"
> (the current point) and "w" is the third coordinate, and plug them into the
> formula

Depends on what you mean by "3D fractal".  Can you be more specific?

> "z(n+1) = z(n) ^ w + c"
> 
> It's kinda like sliding the mandexp set through a third dimension and using
> that corrdinate as the real exponent component.  If this is possible, and
> you understand what I am saying, email me back...

I don't know if its possible yet, since I don't know what you're
asking for :)
--
                                               Rich Thomson
                                               rthomson@ptc.com

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From: Wizzle <wizzle@cci-internet.com>
Subject: (fractint) julias
Date: 02 Mar 1998 16:25:54 -0800

I took a day off and...of course...fractaled... 

In my browsings...I ran across this absolutlely delightful julia ......and
the pars below are a tweek on the original parameters.  Thanks to whoever
originally posted this julia.

Please please please.....when posting pars...identify yourselves on the
first line. I do so enjoy all the postings and would like to thank all the
contributors but am lazy and only look at the information visible when I
open the par.....that is limited to the name of the par and whatever you
feel is most urgent to say....to me...your name is tops!!! Hey....initials
are fine....avw is me. I want to be able to say thanks or whatever.

While the julias aren't original...at least my color maps are...and each
julia has a new wizzle map....enjoy.


laser_julia        { ; with the laser2.map by wizzle
                     ; a classic julia from an earlier posting
  reset=1960 type=julia
  corners=-0.00277179852/0.00276993029/-0.00277080387/0.00277092494
  params=-1.746917245/0.00337591395 maxiter=500
  viewwindows=1/1/yes/0/0
  colors=000G8M<3>c0v<14>l`xmcylbx<20>BAX<5>22t00y01u<6>7AP7BK6AH<5>000222\
  <14>biq<14>KPS<3>000110<8>HHDJJELLGNNI<14>wwl<18>GGCDDACC9AA8996<3>_00<1\
  2>z00y00<13>Y0DW0ES0K<5>00y<14>Y0X`0Va3W<14>xvj<5>qeXobVnZS<7>cA9aA9ZA9W\
  9JT99<7>559<2>A9D
  }

laser_juli2        { ; with the deeps9.map by wizzle
                     ; a classic julia from an earlier posting
  reset=1960 type=julia
  corners=-0.00277179852/0.00276993029/-0.00277080387/0.00277092494
  params=-1.746917245/0.00337581395 maxiter=500
  viewwindows=1/1/yes/0/0
  colors=000U30<3>K0K<12>mUm<28>J69I58I47J35J24<15>mAK<11>J14G02E02C01A00<\
  2>0GG<11>0zz<15>000<15>00z<10>00K<15>Amw<11>0D3<14>0zm<12>C0C<14>SivUmzU\
  jw<14>G0A<12>zmm<12>X74
  }

laser_juli3        { ; with the deeps8.map by wizzle
                     ; a classic julia from an earlier posting
  reset=1960 type=julia
  corners=-0.00277179852/0.00276993029/-0.00277080387/0.00277092494
  params=-1.746917245/0.00337560395 maxiter=500
  viewwindows=1/1/yes/0/0
  colors=000q`Z<9>U30<3>K0J<12>mUl<34>C00<5>VNHYRK`VO<7>zzl<15>0CB<12>0zy<\
  15>000<15>00y<11>00F<14>zzl<10>0A0<5>0TH0XK0_O<7>0zl<12>C0B<14>SiuUmyUjv\
  <14>G09<12>zml<2>scb
  }

laser_juli4        { ; with the deeps7.map by wizzle
                     ; a classic julia from an earlier posting
  reset=1960 type=julia
  corners=-0.00277179852/0.00276993029/-0.00277080387/0.00277092494
  params=-1.746917345/0.00337560395 maxiter=500
  viewwindows=1/1/yes/0/0
  colors=0000eS<5>0zm<13>080040000<15>z0z<14>40400K<15>zzz<14>44N<2>4A45D5\
  <13>QvjSzmRwj<14>C00<15>zzm<15>0CC<12>0zz<15>000<15>00z<15>000<15>zzm<15\
  >0000700F0<6>0aP
  }

laser_juli5        { ; with the deeps6.map by wizzle
                     ; a classic julia from an earlier posting
  reset=1960 type=julia
  corners=-0.00277179852/0.00276993029/-0.00277080387/0.00277092494
  params=-1.746917325/0.00337560375 maxiter=500
  viewwindows=1/1/yes/0/0
  colors=000eZS<15>N75M54N77<13>alpcrt<15>00O<7>czt<24>0A04A1<2>IA9<21>wzn\
  <19>K0B<4>V5HX6IZ7Ja9KcALfBM<6>wKT<15>K09<16>ipv<9>K0R<10>zzl<22>L28<18>\
  wwl<4>pmdnkbmjalh`<4>f_U
  }

laser_juli6        { ; with the deeps5.map by wizzle
                     ; a classic julia from an earlier posting
  reset=1960 type=julia
  corners=-0.00277179852/0.00276993029/-0.00277080387/0.00277092494
  params=-1.746917425/0.00337560375 maxiter=500
  viewwindows=1/1/yes/0/0
  colors=000VGH<4>L28<18>wwl<4>pmdnkbmjalh`<22>M54K32K35<2>K1FK0JM5M<8>crt\
  <15>00O<7>crt<17>U0T<7>H0TF0TG2T<22>wzn<19>K0B<16>wKb<15>K09<16>ipv<9>K0\
  R<10>zzl<16>WIJ
  }

p.s. I would dearly love to understand why this is a squarish type of
julia....if the explanation isn't too terribly mathematical.

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From: Wizzle <wizzle@cci-internet.com>
Subject: Re: (fractint) 3d Mandexp fractals 
Date: 02 Mar 1998 16:33:15 -0800

Pete...

Les St. Clair recently posted some 3D fractals.....check out his awesome
site at

http://ourworld.compuserve.com/homepages/Les_StClair/

and he posted the pars for some of his 3D stuff here as well.  I think if
you download his pars.....and check out the documentation in fractint about
the 3D feature...you will be well on your 3D way. 

I found the methodology pretty simple once Les got me going. I even made a
3D fractal of my own!!!  ((thank you les)) 

Angela aka wizzle
:
>
>In article <019401bd4557$b7f1f280$6282cdcf@MS202705> ,
>    "Peter Gavin" <pgavin@mindspring.com>  writes:
>> Can someone explain to me how I can make a 3D fractal, if I use "c= x + yi"
>> (the current point) and "w" is the third coordinate, and plug them into the
>> formula
>
>Depends on what you mean by "3D fractal".  Can you be more specific?
>
>> "z(n+1) = z(n) ^ w + c"
>> 
>> It's kinda like sliding the mandexp set through a third dimension and using
>> that corrdinate as the real exponent component.  If this is possible, and
>> you understand what I am saying, email me back...
>
>I don't know if its possible yet, since I don't know what you're
>asking for :)
>--
>

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From: "Jay Hill" <ehill1@san.rr.com>
Subject: (fractint) Pixel units
Date: 01 Mar 1998 22:06:08 -0800

Hi gurus,

What are the units of the variable

Pixel

???

If I want to swap re for im, I use flip but what
if I want to flip a picture upside down in the formula?
Do I write

1-Pixel

????

Jay


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From: "Peter Gavin" <pgavin@mindspring.com>
Subject: Re: (fractint) Pixel units
Date: 02 Mar 1998 20:03:42 -0500

You can use the conjugate of the point variable -- you just replace every
instance of 'z' with 'conj(z)' (or whatever :)  )  This works because the
conjugate of 'a + bi' is 'a - bi', thus, every point above the axis is
mapped below the axis.  To flip it over the y-axis, use
'-conj(z)', which would change 'a + bi' to '-a + bi'.

Pete

-----Original Message-----


>Hi gurus,
>
>What are the units of the variable
>
>Pixel
>
>???
>
>If I want to swap re for im, I use flip but what
>if I want to flip a picture upside down in the formula?
>Do I write
>
>1-Pixel
>
>????
>
>Jay
>
>
>-
>------------------------------------------------------------
>Thanks for using Fractint, The Fractals and Fractint Discussion List
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From: "Jay Hill"<jrhill@nosc.mil>
Subject: Re: (fractint) julias
Date: 02 Mar 1998 17:36:54 -0800


Hi Wizzle,

Julias look like the region around the spot in the MSet specified
by the parameters. So in your post....

;laser_juli6        { ; with the deeps5.map by wizzle
;                     ; a classic julia from an earlier posting
;  reset=1960 type=julia
;  corners=-0.00277179852/0.00276993029/-0.00277080387/0.00277092494
;  params=-1.746917425/0.00337560375
;^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
this is the location in M. Now you must zoom in until you see the 'same'
pattern. I have zoomed in to look for the midget. It is off a little,
probably
due to your not using floating.  So in the following I moved over a bit,
then hit space to get the Julia.  (I'm taking a break from the massive
testing
at work, the machine is rebooting.)

Jay


laser_juli6-M      { ; Part of M (JHill) based on Julia coordinates
                     ; with the deeps5.map by wizzle
                     ; a classic julia from an earlier posting
  reset=1960 type=mandel
  center-mag=-1.746917425/0.0033756037/400641
  params=0/0 float=y maxiter=500
  colors=000VGH<4>L28<18>wwl<4>pmdnk\
  bmjalh`<20>O87N75M54K32K35K28K2CK1FK0J\
  <9>crt<15>00O<7>crt<16>V3VU0TS0T<6>
  \H0TF0TG2T<22>wzn<19>K0B<16>wKb<15>K09\
  <16>ipv<9>K0R<10>zzl<16>WIJ
  }

laser_juli6-M2     { ; Part of M (JHill) moved over to midget
                     ; with the deeps5.map by wizzle
                     ; a classic julia from an earlier posting
  reset=1960 type=mandel
  center-mag=-1.74691725213336500/+0.00337583023647279/2.040407e+008
  params=0/0 float=y maxiter=500 viewwindows=1/1/yes/0/0
  colors=000VGH<4>L28<18>wwl<4>pmdnk\
  bmjalh`<22>M54K32K35<2>K1FK0JM6N<8>crt\
  <15>00O<7>crt<16>V3VU0TS0T<7>F0T<23>w\
  zn<19>K0B<16>wKb<15>K09<16>ipv<9>K0\
  R<10>zzl<16>WIJ
  }

laser_juli6-M2j    { ; (JHill) Julia for midget
                     ; with the deeps5.map by wizzle
                     ; a classic julia from an earlier posting
  reset=1960 type=julia
  center-mag=-0.00000000000000012/+0.00000000000000009/498.9002
  params=-1.746917252106023/0.00337583026110084 float=y maxiter=500
  viewwindows=1/1/yes/0/0
  colors=000VGH<4>L28<18>wwl<4>pmdnk\
  bmjalh`<22>M54K32K35<2>K1FK0JM6N<8>crt\
  <15>00O<7>crt<16>V3VU0TS0T<7>F0T<23>\
  wzn<19>K0B<16>wKb<15>K09<16>ipv<9>K0\
  R<10>zzl<16>WIJ
  }




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From: "Peter Gavin" <pgavin@mindspring.com>
Subject: (fractint) Video modes
Date: 02 Mar 1998 20:51:02 -0500

I'm rather annoyed...  I have several fractals I started in 1024x768x256
svga mode, and I want to run them in batch mode in the background in win95,
using disk-video...  But whenever I run them, fractint uses the svga mode I
used when I saved them.  Does anyone know a way around this?...

Thanks,
Pete



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From: "Jay Hill"<jrhill@nosc.mil>
Subject: Re: (fractint) julias
Date: 02 Mar 1998 17:56:03 -0800


Wizzle wrote:
>p.s. I would dearly love to understand why this is a squarish type of
>julia....if the explanation isn't too terribly mathematical.
The Julia set image has to have all the features seen around the
parameter spot in the Mandelbrot set.  So at lower magnification
in M we have the following (see par). This shows up first twice then
four times in M when we zoom in. And so it also does as we zoom
into the Julia. You chose a zoom that shows the four fold and so it
looks squarish.  Try this par at all zooms into the midget. Then
press space twice and watch all zooms in the Julia. See the
same sort of 'stuff'.

Jay

laser_juli6-M2-pre { ; Part of M (JHill) based on Julia coordinates
                     ; preimage at lower magnification
                     ; with the deeps5.map by wizzle
                     ; a classic julia from an earlier posting
  reset=1960 type=mandel
  center-mag=-1.74691725213336500/+0.00337583023647279/5154.412
  params=0/0 float=y maxiter=500 viewwindows=1/1/yes/0/0
  colors=000VGH<4>L28<18>wwl<4>pmdnk\
  bmjalh`<20>O87N75M54K32K35K28K2CK1FK0J\
  <9>crt<15>00O<7>crt<16>V3VU0TS0T<7>F0T\
  <23>wzn<19>K0B<16>wKb<15>K09<16>ip\
  v<9>K0R<10>zzl<16>WIJ
  }




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From: "Jay Hill"<jrhill@nosc.mil>
Subject: Re: (fractint) Pixel units
Date: 02 Mar 1998 17:42:35 -0800


Pete wrote
>You can use the conjugate of the point variable -- you just replace every
>instance of 'z' with 'conj(z)' (or whatever :)  )  This works because the
>conjugate of 'a + bi' is 'a - bi', thus, every point above the axis is
>mapped below the axis.  To flip it over the y-axis, use
>'-conj(z)', which would change 'a + bi' to '-a + bi'.
I'm using something like this.

w=Pixel
c=transformation(w);  transformation involves exp and other stuff,
                ; very nonlinear.
z=0:
  and then the usual Mandelbrot like iteration

But I'm trying in the w= step to get the upside down of the image.
I tried w=1-Pixel and since the image is centered at 2.5 I try
w=2.5-real(Pixel)+imag(Pixel)
but I usually get black screen, not what I expect.

Jay



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From: "Tim Wegner" <twegner@phoenix.net>
Subject: Re: (fractint) (Fwd) Fix needed for F-tint 20
Date: 01 Mar 1998 22:27:13 -0600

Michael wrote:

> I set up a 1.13M formula file and got the message that there were
> too many entries and only the first 2000 were being used.  No problem
> with names running into each other though.

This is exactly my situation. The limit of 2000 is built in, but Bob 
is getting a bad failure much sooner. Unfortunately, if I can't 
duplicate it, I can't debug it. Must have to do with some peculiarity 
of Bob's setup. Thanks for the report.

Tim



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From: VRCH78B@prodigy.com (MR CHARLES F CROCKER)
Subject: Re: (fractint) (Fwd) Fix needed for F-ti
Date: 01 Mar 1998 22:59:38, -0500

Tim

I suppose negative results don't prove anything but in the Orgform
compilation Bob Carrs formulas list perfectly up to about a thousand. I
would have to give Fractint a high score on formatting the results to fit
the longest name in a collection. It worked as well with one of my
collections that had 200 entries with much longer formula names.

Charles

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From: Kerry Mitchell <lkmitch@primenet.com>
Subject: Re: (fractint) Video modes
Date: 02 Mar 1998 20:47:28 -0700 (MST)

Peter,

You need to make sure you have the 1024x768x256 disk video mode specified
in your fractint.cfg file.  For simplicity, I'll assume that it's invoked
by "af10" (alt-f10).  Then, you should be able to regenerate fract001.gif
which was started with 1024x768x256 svga, by running the batch file with
this command in it:

fractint filename=fract001 video=af10 batch=yes

If that doesn't work, save the offending parameters to a par file, and
either specify "video=af10" in the par, or in the batch file, as above.

Kerry

Kerry Mitchell
lkmitch@primenet.com

On Mon, 2 Mar 1998, Peter Gavin wrote:

> I'm rather annoyed...  I have several fractals I started in 1024x768x256
> svga mode, and I want to run them in batch mode in the background in win95,
> using disk-video...  But whenever I run them, fractint uses the svga mode I
> used when I saved them.  Does anyone know a way around this?...
> 
> Thanks,
> Pete
> 
> 
> 
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From: Kerry Mitchell <lkmitch@primenet.com>
Subject: Re: (fractint) Video modes
Date: 02 Mar 1998 20:47:28 -0700 (MST)

Peter,

You need to make sure you have the 1024x768x256 disk video mode specified
in your fractint.cfg file.  For simplicity, I'll assume that it's invoked
by "af10" (alt-f10).  Then, you should be able to regenerate fract001.gif
which was started with 1024x768x256 svga, by running the batch file with
this command in it:

fractint filename=fract001 video=af10 batch=yes

If that doesn't work, save the offending parameters to a par file, and
either specify "video=af10" in the par, or in the batch file, as above.

Kerry

Kerry Mitchell
lkmitch@primenet.com

On Mon, 2 Mar 1998, Peter Gavin wrote:

> I'm rather annoyed...  I have several fractals I started in 1024x768x256
> svga mode, and I want to run them in batch mode in the background in win95,
> using disk-video...  But whenever I run them, fractint uses the svga mode I
> used when I saved them.  Does anyone know a way around this?...
> 
> Thanks,
> Pete
> 
> 
> 
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From: Wizzle <wizzle@cci-internet.com>
Subject: (fractint) par
Date: 01 Mar 1998 19:49:14 -0800

I was messing around with Sylvie's variation on the gravijul formula....and
this image really does seem to be worth sharing...it has a new colormap too.

glitter_x          { ; wizzle 1998
                     ; frm gjv2 by Sylvie Gallet
  reset=1960 type=formula formulafile=mar98.frm
  formulaname=gravijul-v2 function=asinh/log/log
  center-mag=0.0255918/-0.109246/0.1625985/1.3333 params=3/1.5/0/0/4/0
  float=y maxiter=300 inside=0 decomp=256 viewwindows=1/1/yes/0/0
  colors=ZZj<7>mmz<23>22D00A008<2>000<2>000000123<18>SpwUszTqw<16>23400000\
  0<4>000000211<3>B56A0A<34>xxuzzwyyv<26>K88I66F55<3>000<2>000000112<3>336\
  000437<21>JGTKHUKHT<8>ECKDBICAHBAGB9FA8E<12>111000000000<3>0008043016030\
  0A<17>XXh cyclerange=0/255
  }

gravijul-v2 { ; Variation on Mark Christenson's gravijul by Sylvie Gallet
   z = pixel :
   w = fn1(real(z)) , x = fn3(p1/fn2(w*w))
   w = fn1(imag(z)) , y = fn3(p1/fn2(w*w))
   z = x + flip(y) + p2
    |z| < p3
  }

Thanks everyone for a great formula!!

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From: "Lavondyss" <Nhan.H.Nguyen-1@tc.umn.edu>
Subject: (fractint) posted par or frm files
Date: 03 Mar 1998 00:15:01 

How do I get the posted parameter files and or formula files to work when 
they are sent through e-mail? I've tried renaming them. Am I just doing it 
wrong? Please help. 

Frustrated Fractineer
-Lavondyss




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From: "Tim Wegner" <twegner@phoenix.net>
Subject: (fractint) simplgif
Date: 01 Mar 1998 22:27:13 -0600

I have uploaded a massively revised simplgif program to 

ftp://ftp.phoenix.net/pub/USERS/twegner/simplgif.zip

I'd appreciate hearing results of any testing, and which executable 
is better.

Included are executables compiled with MSC (large model) and djgpp and
the C source. I haven't tried, but I would expect the source to
complile with minimal problems under Unix. 

I did some editing of the encoder and decoder sources, mostly
unifying some typedefs and "ansifying" the old K&R style. However, I
felt it would be unwise to edit the reliable encoding and decoding
sources too radically. Given the variable quality of GIF sources, I am
really happy with the compress encoder and Steve Bennett's decoder.

This version has a new decoder, basically the same one as in 
Fractint.

Let me know if you have any suggestions. The buffering scheme used in
reading and writing the tempory file is the same as in the original
simplgif by Bert Tyler. This could be made more efficient. I made a
start at eliminating signed 16 bit integers in favor of unisgned, so
that simplgif would work with 64K rows. I doubt this is complete, so
most likely the limit is 32K.

Tim


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From: FIRSTNAME LASTNAME <whookam88@yahoo.com>
Subject: Re: (fractint) posted par or frm files
Date: 03 Mar 1998 01:24:56 -0800 (PST)






---Lavondyss <Nhan.H.Nguyen-1@tc.umn.edu> wrote:
>
> How do I get the posted parameter files and or formula files to work
when 
> they are sent through e-mail? I've tried renaming them. Am I just
doing it 
> wrong? Please help. 
> 
> Frustrated Fractineer
> -Lavondyss
> 
 

One "possible" problem might be one I've had alot of trouble with. 
Look for the color area in the PAR, if it's double spaced that won't
read in properly with FRACTINT.  

Example : <This is jiberish so don't try to run it>

color=675dfgf8787tolk9o9898g979g97gf

<7889787875875jk897gf>897897f87f<86

 9867ihv8ycfuiovuivyuiv9

The last line might need that gap as it's first character (as we all
know computers read empty spaces as actual commands or command
structures) but combine the lines like below and it should work. 

(note it's still jiberish, just an example)

color=675dfgf8787tolk9o9898g979g97gf
<7889787875875jk897gf>897897f87f<86
 9867ihv8ycfuiovuivyuiv9

Hopfully I haven't left you more confused, if I Did sorry.


                  James R. McKenzie
_________________________________________________________
DO YOU YAHOO!?
Get your free @yahoo.com address at http://mail.yahoo.com


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From: George Martin <76440.1143@compuserve.com>
Subject: (fractint) posted par or frm files
Date: 03 Mar 1998 06:38:56 -0500

Lavondyss wrote

>How do I get the posted parameter files and or formula files to work when 
>they are sent through e-mail?


Getting from a message to an image drawing on your screen does take a fair
amount of knowledge of how Fractint works. 

   First, make sure you have the most recent version of Fractint, currently
19.6. Each new release incorporates new features, and many current postings
will only work with the latest version.

   Second, a word about directories. Unless you give instructions to
Fractint to the contrary (via special command line options or in a file
called "sstools.ini"), Fractint will look for all relevant files in the
same directory where Fractint.exe is located. Starting off, it is probably
easiest simply to use the one directory. As you get more familiar with the
program, you will learn how to create separate subdirectories for the
various kinds of files, and how to tell Fractint where those subdirectories
are.

   Finally, the information which Fractint uses to draw an image is
contained in ASCII text files with entries in the form:

Name  {; comments
  various commands
}

The relevant entries are

   1. Parameter entries. These are entries with commands such as type=xxx
colors=lots_of_Martian, etc. Usually, the first command is "reset=####",
where the #### is the version of fractint which was in use when the entry
was originally created. Don't worry about that; if a version earlier than 
19.6 was used, the current version will still draw the image.

      Parameter entries contain all the information needed for fractint to
draw an image, unless "type=formula", in which case fractint will need to
find the formula. The name of the formula is identified in the entry with
the command "formulaname=xxx". There is also usually a command in the
parameter entry "formulafile=xxx.frm", but this is not important, because
Fractint is quite clever in searching for and finding formulas. More about
that later. "type=ifs" and "type=lsystem" also require fractint to find the
relevant ifs or lsystem entries, but postings with these commands are
reletively rare, so I wouldn't worry about that now.

     Parameter entries contained in messages should be copied to a DOS text

file with the extension ".par". You can use any name you want for the file,

such as 1998msg.par. Just copy the text of the message to the .par file,
and 
then edit it to delete everything except the parameter entry or entries 
contained in the message (in each case beginning with the name of the entry

and ending with the "}"). Don't delete the original message yet if there
are 
formulas in the message! Those entries will be copied to a separate file.

   Occasionally, problems are caused by the email software which people use
to post these entries. Take a look at each entry; there should be no blank
lines, and for the long commands such as colors=, the last character of the
intermediate lines should be a "\".

   2. Formula entries.  When the parameter entry is "type=formula",
fractint must find the named formula in order to draw the image. A formula
has the same overall structure as a parameter entry, i.e.

Name {; comments
  various calculation instructions
}

and are pretty easy to identify; they have assignment instructions such as 
z=pixel or c=sin(pixel); a ":" will appear somewhere in the formula; and in
some you will see flow control instructions such as IF (x==y) etc.

   Formulas need to be copied to a DOS text file with the extension ".frm".

Any name is OK, such as "1998msg.frm". Edit the file to delete everything 
except the formula entry or entries. If an entry name is preceded with
"frm:", 
delete the "frm:". This is a feature which permits the formula to be
included 
in a .par file, but it is a good habit, I think, to get the formulas into 
files with the .frm extension. That way they will be available for general 
use and not just the initial drawing of the related parameter entry.


   3. Ifs and Lsystem entries. The general format is the same, but the
information in these entries looks quite a bit different. They should be
copied to files with extensions ".ifs" and ".L" respectively, and any
preceding "ifs:" or "lsys:" edited out.


Now, to run the parameter entry.

   1. Go to your fractint directory and start Fractint.
   2. Select your video mode.
   3. Hit Shift-2 (the "@" key). This will probably bring up a list of
parameter entries in the default .par file "fractint.par".
   4. Hit F6. This exits fractint.par and shows you a list of .par files in
the default directory. Presumably, your 1998msg.par will be one of them.
Put the cursor on it, and hit <CR>. This will show you a list of the
parameter entries in that .par file.
   5. Move the cursor to the entry you want to draw, and hit <CR>. 
   6. The image should start drawing. Enjoy.
   7. You can zoom, change parameters, and do anything else that fractint
permits you to do with an image. Important commands to do these things are
Page-UP (for zooming), and "x", "y", and "z" for changing various options.
You can save the image by hitting "s". You  can create your own parameter
entry by hitting "b" and entering the requested information.
        
Finally, if you want to draw your own image using a formula, hit "t" from
any image screen or the main menu, select type "formula", and hit F6 to get
out of the default fractint.frm list of formulas to see a list of .frm
files. Select the file you are interested in, hit <CR>, and select the
formula you want to draw. Before drawing the formula, Fractint will show
you the formula text and provide space for entering user specified
variables (p1, p2, and p3) and user specified functions (fn1, fn2, fn3, and
fn4), if any. You can change your selections at any time the image is
drawing by hitting "z".

 

George Martin
   

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From: Wizzle <wizzle@cci-internet.com>
Subject: Re: (fractint) posted par or frm files
Date: 03 Mar 1998 07:09:06 -0800

George...

I thought yours was an excellent explanation.  Would you mind if I copied
it and posted it at my website along with several other lessons I have
there? In the very few months I've been on this list this question has
materialized several times so it seems worthwhile to have it permanently
available for reference.

Angela

At 06:38 AM 3/3/98 -0500, you wrote:
>Lavondyss wrote
>
>>How do I get the posted parameter files and or formula files to work when 
>>they are sent through e-mail?
>
>
>Getting from a message to an image drawing on your screen does take a fair
>amount of knowledge of how Fractint works. 
>
>   First, make sure you have the most recent version of Fractint, currently
>19.6. Each new release incorporates new features, and many current postings
>will only work with the latest version.
>
>   <<snipped>>
>
>George Martin
>   
>

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From: George Martin <76440.1143@compuserve.com>
Subject: Re: (fractint) posted par or frm files
Date: 03 Mar 1998 11:36:54 -0500

Angela,

>
I thought yours was an excellent explanation.  Would you mind if I copied
it and posted it at my website
<

Sure, go ahead. I think it will be better to be able simply to refer
someone to your website rather than repeating the explanation in this
message base each time the question comes up.

George

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From: Mark Christenson <mchris@hooked.net>
Subject: (fractint) gravijul-v3
Date: 03 Mar 1998 10:39:02 -0800

Seeing Sylvie's gravijul-v3 has reminded me of a question that
has been in the back of my mind for some time.  I have a basic 
understanding of complex math; mulitiplication is no problem, 
but raising to fractional or complex powers is a total mystery 
to me.  Can anyone point me to a good tutorial?  No need to bore 
the whole list, please just send the URL or book/article title. 

Thanks, Bud


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From: Mark Christenson <mchris@hooked.net>
Subject: (fractint) gravijul-v3 - addendum
Date: 03 Mar 1998 10:50:15 -0800

I wrote:
>
No need to bore 
the whole list, please just send the URL or book/article title. 
>

What I *meant* to say was: 
 please just send the URL or book/article title (to the list), as
 opposed to the article itself. 

I'm sure the subject would be of general interest, I just didn't want 
to waste bandwidth with a post of the whole enchilada.


Bud


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From: "Lavondyss" <Nhan.H.Nguyen-1@tc.umn.edu>
Subject: Re: (fractint) posted par or frm files
Date: 03 Mar 1998 13:00:21 

Thanx J.R. McKenzie. I'll try to that next time I run across some par/frm

-Lav




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From: "Lavondyss" <Nhan.H.Nguyen-1@tc.umn.edu>
Subject: (fractint) thanx
Date: 03 Mar 1998 13:21:53 

George,

Thanx for the explanation. It was somewhat drawn out, but I got what I asked 
for. I've been using Fractint for quite a while, but not very intuitive 
about converting the posted files into what Fractint can use. I know how to 
use Fractint, just not how to convert the e-mail ascii text files so that 
fractint can use it. Now I do. I like the 'one button functions' such as the 
ones you mentioned: 'z' 't' 'f6'...tc. I've downloaded the new program 
a long while back. Quite an innovative program. But since I'm going to 
college, I don't have much time to really get into fractals. But I try. 

I have over 30 pictures printed on my Epson on coated paper (gets kinda 
spendy after a while), and they are fantastic. I made most of them, 
using other people's formula files. I do not know how to make my own 
yet. Most are not posted on my web page yet. Haven't even added them to my 
par file yet either! I hope to soon though and then post my par on here if 
everyone likes.....as an attatchment, not an ascii text add-on to the 
message. That's just so that newbies can just save the attatchments instead 
of going through the hassle of changing and copying that I am going through. 
^_^

Well, I've gotta get to studying some chemistry. ACK! But I'll be making 
more fractals when I have free time. I did however, find something 
interesting. The map maker by Ron Barnette can make maps for other programs 
too. I used the maps on my Winamp (mp3) player plug-in and it worked fine. 
Thanx again Ron! Outa here!

Happy Fractineer ^_^
-Lavondyss





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From: ocie@paracel.com
Subject: Re: (fractint) gravijul-v3
Date: 03 Mar 1998 11:32:43 -0800 (PST)

Mark Christenson wrote:
> 
> Seeing Sylvie's gravijul-v3 has reminded me of a question that
> has been in the back of my mind for some time.  I have a basic 
> understanding of complex math; mulitiplication is no problem, 
> but raising to fractional or complex powers is a total mystery 
> to me.  Can anyone point me to a good tutorial?  No need to bore 
> the whole list, please just send the URL or book/article title. 

But I like boring the whole list :)

Actually, raising complex numbers to a fractional power is not as
tricky as it sounds.  A complex number in cartesian coordinates (ex
3+4i) can be converted into a polar form (magnitude=5, angle= ~.972
rad in this case).  You can also write this in the form m*exp(i*t) 
where m is the magnitude and t is the angle theta.  This is because exp(i*t)=cos(t)+i*sin(t).

Raising this to any power (whole or fractional) can be done:

z=m*exp(i*t)

z^x=(m*exp(i*t))^x
   =m^x*exp(i*t*x)
   =m^x*(cos(t*x)+i*sin(t*x))

Raising a number to a complex power can be done by remembering that:

z^(a+b)=z^a*z^b

Now all we have to do is figure out how to raise a number to an
imaginary power.  I can't exactly remember how do to this right now.
Perhaps someone else on the list will pick up the baton.

Ocie


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From: "Jay Hill" <ehill1@san.rr.com>
Subject: Re: (fractint) gravijul-v3
Date: 03 Mar 1998 12:03:23 -0800

Hi Ocie,

Are you the Ocie Mitchell from Claremont Colleges and Harvey Mudd?

Jay Hill

----------
> From: ocie@paracel.com
> To: fractint@lists.xmission.com
> Subject: Re: (fractint) gravijul-v3
> Date: Tuesday, March 03, 1998 11:32 AM
[...]
> But I like boring the whole list :)
> 
> Actually, raising complex numbers to a fractional power is not as
> tricky as it sounds.  A complex number in cartesian coordinates (ex
> 3+4i) can be converted into a polar form (magnitude=5, angle= ~.972
> rad in this case).  You can also write this in the form m*exp(i*t) 
> where m is the magnitude and t is the angle theta.  This is because
exp(i*t)=cos(t)+i*sin(t).
> 
> Raising this to any power (whole or fractional) can be done:
> 
> z=m*exp(i*t)
> 
> z^x=(m*exp(i*t))^x
>    =m^x*exp(i*t*x)
>    =m^x*(cos(t*x)+i*sin(t*x))
> 
> Raising a number to a complex power can be done by remembering that:
> 
> z^(a+b)=z^a*z^b
> 
> Now all we have to do is figure out how to raise a number to an
> imaginary power.  I can't exactly remember how do to this right now.
> Perhaps someone else on the list will pick up the baton.
> 
> Ocie
> 


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From: ocie@paracel.com
Subject: Re: (fractint) gravijul-v3
Date: 03 Mar 1998 13:21:00 -0800 (PST)

Jay Hill wrote:
> 
> Hi Ocie,
> 
> Are you the Ocie Mitchell from Claremont Colleges and Harvey Mudd?
> 
> Jay Hill

I sure am.  Actually, I am now an alum.

Ocie

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From: ocie@paracel.com
Subject: Re: (fractint) gravijul-v3
Date: 03 Mar 1998 14:40:15 -0800 (PST)

ocie wrote:
> 
> Mark Christenson wrote:
> > 
> > Seeing Sylvie's gravijul-v3 has reminded me of a question that
> > has been in the back of my mind for some time.  I have a basic 
> > understanding of complex math; mulitiplication is no problem, 
> > but raising to fractional or complex powers is a total mystery 
> > to me.  Can anyone point me to a good tutorial?  No need to bore 
> > the whole list, please just send the URL or book/article title. 
> 
> But I like boring the whole list :)
> 
> Actually, raising complex numbers to a fractional power is not as
> tricky as it sounds.  A complex number in cartesian coordinates (ex
> 3+4i) can be converted into a polar form (magnitude=5, angle= ~.972
> rad in this case).  You can also write this in the form m*exp(i*t) 
> where m is the magnitude and t is the angle theta.  This is because exp(i*t)=cos(t)+i*sin(t).
> 
> Raising this to any power (whole or fractional) can be done:
> 
> z=m*exp(i*t)
> 
> z^x=(m*exp(i*t))^x
>    =m^x*exp(i*t*x)
>    =m^x*(cos(t*x)+i*sin(t*x))
> 
> Raising a number to a complex power can be done by remembering that:
> 
> z^(a+b)=z^a*z^b
> 
> Now all we have to do is figure out how to raise a number to an
> imaginary power.  I can't exactly remember how do to this right now.
> Perhaps someone else on the list will pick up the baton.

I now remember how to do this as well.  If l is the natural log of the
magnitude, then the number can be written:

z=exp(l+i*t)

so 

z^w=exp(l+i*t)^w=exp((l+i*t)*w)

So this just becomres a case of multiplying the complex exponent w by
the log of z (l+i*t) and then exponentiating.



Ah, this is a great discussion, I'll have to go out and get the latest
fractint copy.

Ocie


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From: "Jay Hill"<jrhill@nosc.mil>
Subject: Re: (fractint) gravijul-v3
Date: 03 Mar 1998 17:15:39 -0800


Hi Ocie,

It is good to see you posting again after so long. Now, about a week ago
we were discussion ASCII Mandelbrot sets and I noted a few sources.
One was you post to sci.fractals in 1993 (or there abouts).  You posted
a new version

ftp://ftp.inria.fr/graphics/aamandel-2.1.shar.gz
Now this, unlike your earlier version does not compile on my compiler -
missing headers etc. So could you install a DOS executable on your web
site?
Since your first version is really portable, you might consider posting it
as well.

>Jay Hill wrote:
>>
>> Hi Ocie,
>>
>> Are you the Ocie Mitchell from Claremont Colleges and Harvey Mudd?
>>
>> Jay Hill
>I sure am.  Actually, I am now an alum.
>Ocie



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From: ocie@paracel.com
Subject: Re: (fractint) gravijul-v3
Date: 03 Mar 1998 17:43:13 -0800 (PST)

Jay Hill wrote:
> 
> 
> Hi Ocie,
> 
> It is good to see you posting again after so long. Now, about a week ago
> we were discussion ASCII Mandelbrot sets and I noted a few sources.
> One was you post to sci.fractals in 1993 (or there abouts).  You posted
> a new version
> 
> ftp://ftp.inria.fr/graphics/aamandel-2.1.shar.gz
> Now this, unlike your earlier version does not compile on my compiler -
> missing headers etc. So could you install a DOS executable on your web
> site?
> Since your first version is really portable, you might consider posting it
> as well.

My second version had an "interactive" mode which lets the user select
the area to zoom into.  I'll see if I can turn this off gracefully if
there is no curses library.  Don't know about a DOS executable, but I
should be able to at least release sources that will compile under DOS.

Ocie

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From: Wizzle <wizzle@cci-internet.com>
Subject: Re: (fractint) julias
Date: 03 Mar 1998 19:51:41 -0800

Jay...

Thanks so much for the explanations and samples!!  I feel like you gave me
a brand new wonderful toy to play with. I'm having such fun finding julias
and minibrots.....I never realized they were there.

One more question.....I figured out that zooming out takes me back to the
mandelbrot set......and when I zoom out from the julia I can see the little
"strings" along the mandelbrot set that contain the julias even at a fairly
low magnification (like looking at a large portion of the "lake").
However, when I start with the mandelbrot set in fractint I never seem to
see those strings no matter how much I zoom in. Why can't I see these
strings when I start with the mandelbrot set and yet I can if I start with
the julia I posted?

Angela 

At 05:56 PM 3/2/98 -0800, you wrote:
>
>Wizzle wrote:
>>p.s. I would dearly love to understand why this is a squarish type of
>>julia....if the explanation isn't too terribly mathematical.
>The Julia set image has to have all the features seen around the
>parameter spot in the Mandelbrot set.  So at lower magnification
>in M we have the following (see par). This shows up first twice then
>four times in M when we zoom in. And so it also does as we zoom
>into the Julia. You chose a zoom that shows the four fold and so it
>looks squarish.  Try this par at all zooms into the midget. Then
>press space twice and watch all zooms in the Julia. See the
>same sort of 'stuff'.
>
>Jay
>
><<snipped>>

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From: dudley brooks <titan@hargray.com>
Subject: (fractint) video driver question
Date: 03 Mar 1998 21:05:44 -0800

i hope someone can help me as i have not had fractint for several weeks
now.i had to replace my video card and installed a Diamond Speedstar 64
2000 graphics card.my computer is a ibm clone 486 66 mgz and i have
fractint 19.5.i can only view fractals in the most primitive modes.i
have always used the shift7 1024X780 video mode that works with most
svga.i have no idea where to go from here to get this working.i have
read the fractint documentation on video modes over and over but it is a
little over my head for me to fool with i believe.has anyone had this
problem or can anyone advise me of how to get the sharpest images
possible with this video card?i have had fractint since version 16 and
was one of the programs that amazed me and sparked my interest in the
computer.i am just a lover of fine images and do not really know anyone
else with an interest in fractint like i have.hope someone can help!!!


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From: "Jay Hill"<jrhill@nosc.mil>
Subject: Re: (fractint) julias
Date: 03 Mar 1998 20:36:23 -0800


Angela wrote

Jay wrote:
->Try this par at all zooms into the midget. Then
->press space twice and watch all zooms in the Julia. See the
->same sort of 'stuff'.

-Jay...
-Thanks so much for the explanations and samples!!  I feel like you gave
-me a brand new wonderful toy to play with. I'm having such fun finding
-julias and minibrots.....I never realized they were there.
There are about 20,000 more posted on my web sites.  Glad you are
having fun.  There is a lot to learn about the old Mandelbrot set. I've
been spending uncounted hours (actually, I think my wife has been
counting the hours) ever since I got my 8086 with CGA in the '80s.  I
used to figure 2 hours to make a nice 320x200 image. It now takes
2 seconds.

-One more question.....I figured out that zooming out takes me back to the
-mandelbrot set......and when I zoom out from the julia I can see the
little
-"strings" along the mandelbrot set that contain the julias even at a
fairly
"strings",  that is an example of the 'stuff' mentioned above.  Stuff in
elephant valley looks like elephants. Stuff in seahorse valley looks
like seahorses. Stuff near the base of the period 3 bud (big one on top)
look like 3 armed galaxies.  Julia sets with parameters set to these
regions will have that look to them.

-low magnification (like looking at a large portion of the "lake").
-However, when I start with the mandelbrot set in fractint I never seem to
-see those strings no matter how much I zoom in. Why can't I see these
-strings when I start with the mandelbrot set and yet I can if I start with
-the julia I posted?
And where do we find strings?  Out on the spike, because it is the
mother of all strings.  These start showing up anywhere more
negative than -1.  Near -1.25 they are clumpy and are called scepters.
Your example is out at -1.75 where strings are going strong.

Twiggy strings are found near (-.134, 1) because that filament is
- you guessed it - twiggy.

Rumor has it that Dr. J is building new wings to his laboratory, new
ones for each of these regions.  Word is that he stepped into
a particularly tangled mess of 'strings, barbed wire and quick sand'.
I'm too busy running tests at work tonight to look after him. He is on
his own.   :-)

Jay



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From: kathy roth <kroth@well.com>
Subject: (fractint) gravijul-v3
Date: 03 Mar 1998 21:47:13 -0800

um......oh, I do have a life.  Um, I do do something
besides this, really.


newgrav1           { ; 3-2-98 kathy roth
                     ; gravijul-v3 variation by Sylvie Gallet
                  ;on Mark Christenson's gravijul formula
  reset=1960 type=formula formulafile=gravij~3.frm
  formulaname=gravijul-v3 function=cosxx/flip/floor
  center-mag=+0.00024059026236537/+0.00002279441750243/137.0464/1.0397
  params=1.1/3/0.9999999000000001/0/10/0 invert=0.01/0/0 decomp=2048
 colors=000YRD<7>pgTriVulYxn_zpa<4>jdWgaVcZT\
`WSYUR<3>KJNHGMGFL<10>7246027\
 02<20>Q08R09S09T0AU0A<6>`0Da0Db2D\
<14>zVF<10>hAEaI9<6>xTF<8>H3AC09908<6>K\
 BDMDEMFF<2>MMI000<16>C81D92FB3<2>\
LG4OI5QK7<12>vlYxn_yo`zpawn_ukY<16>bVH0\
  00<22>000000223<5>HHNKKQNNTQQXTT_<6>ilploslpr<14>OI5<2>VPB
  }

newgrav2           { ; 3-2-98 kathy roth
                     ; gravijul-v3 variation by Sylvie Gallet
                      ;on Mark Christenson's gravijul formula
                     ; best at least 800x600
  reset=1960 type=formula formulafile=gravij~3.frm
  formulaname=gravijul-v3 function=cosxx/cos/cotan passes=t
  center-mag=-0.00360393/0.00010278/7.524472/1.0397
  params=1.1/3/0.9999999000000001/0/10/0 invert=0.01/0/0 decomp=2048
  colors=000<23>000000223<5>HHNKKQNNTQQXTT_\
<6>ilploslpr<14>OI5<11>pgTriVul\
 Yxn_zpa<4>jdWgaVcZT`WSYUR<3>KJNHGMGFL\
<10>724602702<20>Q08R09S09T0AU0A<6>\
 `0Da0Db2D<14>zVF<10>hAEaI9<6>xTF<8>H3AC09908\
<6>KBDMDEMFF<2>MMI000<16>C81\
  D92FB3<2>LG4OI5QK7<12>vlYxn_yo`zpawn_ukY<16>bVH
  }

newgrav3           { ; 3-2-98 kathy roth
                     ; architect's draft for newgrav2
                     ; gravijul-v3 variation by Sylvie Gallet
                     ; on Mark Christenson's gravijul formula
  reset=1960 type=formula formulafile=gravij~3.frm
  formulaname=gravijul-v3 function=cosxx/cos/cotan passes=t
  center-mag=-0.00360393/0.00010278/7.524472/1.0397
  params=1.1/3/0.9999999000000001/0/10/0 fillcolor=66 invert=0.01/0/0
  decomp=2048
  colors=000<23>000000223<5>HHNKKQNNTQQXTT\
_<6>ilploslpr<14>OI5<11>pgTriVul\
 Yxn_zpa<4>jdWgaVcZT`WSYUR<3>KJNHGMGFL\
<10>724602702<20>Q08R09S09T0AU0A<6>\
 `0Da0Db2D<14>zVF<10>hAEaI9<6>xTF<8>H3A\
C09908<6>KBDMDEMFF<2>MMI000<16>C81\
  D92FB3<2>LG4OI5QK7<12>vlYxn_yo`zpawn_ukY<16>bVH
  }


newgrav4           { ; 3-2-98 kathy roth
                     ; palette by Sylvie Gallet
                     ; gravijul-v3 variation by Sylvie Gallet
                     ; on Mark Christenson's gravijul formula
  reset=1960 type=formula formulafile=gravij~3.frm
  formulaname=gravijul-v3 function=cosxx/cos/flip passes=t
  center-mag=-0.00793577/0.00836294/6.244929/1.0397
  params=1.1/3/0.9999999000000001/0/10/0 invert=0.01/0/0 decomp=2048
colors=000ZdiZdi_eh<15>wwm<15>0mm<7>8eb9da9da\
<12>1VQ0UP1UP<11>GaPHaPIbPK\
 cPKcQLdR<19>bvkcwmbvl<27>4T53S42R20P00P\
10P2<20>AZTAZUD_S<13>st4000kkk00U\
  <13>Ums<5>hrw<4>eoudntcmtblsbksajr<15>\
PYjOXiOXiOXi<4>RYiRYiRYiRYiSZi<24>\
  Zdi
  }

newgrav5           { ; 3-2-98 kathy roth
                     ; gravijul-v3 variation by Sylvie Gallet
                     ; on Mark Christenson's gravijul formula
  reset=1960 type=formula formulafile=gravij~3.frm
  formulaname=gravijul-v2 function=atanh/sqrt/recip passes=t
  center-mag=1.77636e-015/-1.77636e-015/0.09696078
  params=1/0.9/0/0/4/0 float=y maxiter=300 inside=0
decomp=256
colors=000LSXGO`CLd<7>Ums<5>hrwhrwgqv<31>\
OOlNNlOOl<45>wwm<15>0mm<7>8eb9d\
 a9da<12>1VQ0UP1UP<11>GaPHaPIbPKcPKcQLdR\
<19>bvkcwmbvl<30>MS2LR0MS0<36>st4\
  <5>TZQ
  }

newgrav6           { ; 3-2-98 kathy roth
                     ; gravijul-v3 variation by Sylvie Gallet
                     ; on Mark Christenson's gravijul formula
  reset=1960 type=formula formulafile=gravij~3.frm
  formulaname=gravijul-v3 function=cosxx/flip/sinh
  center-mag=+0.00024059026236537/+0.00002279441750243/137.0464/1.0397
  params=1.1/3/0.9999999000000001/0/10/0 invert=0.01/0/0
decomp=2048
colors=000YRD<7>pgTriVulYxn_zpa<4>jdWgaVc\
ZT`WSYUR<3>KJNHGMGFL<10>7246027\
 02<20>Q08R09S09T0AU0A<6>`0Da0Db2D\
<14>zVF<10>hAEaI9<6>xTF<8>H3AC09908<6>K\
 BDMDEMFF<2>MMI000<16>C81D92FB3<2>\
LG4OI5QK7<12>vlYxn_yo`zpawn_ukY<16>bVH0\
  00<22>000000223<5>HHNKKQNNTQQXTT_<6>\
ilploslpr<14>OI5<2>VPB
  }

gravijul-v3 { ; Variation on Mark Christenson's gravijul by Sylvie
Gallet
   z = pixel:
   w = fn1(z)
   z = fn3(fn2(w*w)^p1) + p2
    |z| < p3
  }
 gravijul-v2 { ; Variation on Mark Christenson's gravijul by Sylvie\
Gallet
   z = pixel :
   w = fn1(real(z)) , x = fn3(p1/fn2(w*w))
   w = fn1(imag(z)) , y = fn3(p1/fn2(w*w))
   z = x + flip(y) + p2
    |z| < p3
  }









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From: kathy roth <kroth@well.com>
Subject: (fractint) thank you, thank you etc.
Date: 03 Mar 1998 22:13:20 -0800

Maybe there should be an award, like  "Fractal of the Year"
or a grammy or a Bammie or something.  I nominate
Mark Christenson for  "gravijul".


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From: Mark Christenson <mchris@hooked.net>
Subject: Re: (fractint) thank you, thank you etc.
Date: 03 Mar 1998 23:49:06 -0800

comment { commentary and pars by Bud 3/3/98

At 10:13 PM 3/3/98 -0800, Kathy wrote:
>Maybe there should be an award, like  "Fractal of the Year"
>or a grammy or a Bammie or something.  I nominate
>Mark Christenson for  "gravijul".

Thanks for the praise, but the year is *very* young.  And the 
competition is stiff.  One of the great things about this list is the 
way it enables collaboration and cross-fertilization at light speed;
I know it has made *me* a better fractal artist.  I haven't had time 
to explore Sylvie's gravijul-v3 yet; and while v2 seems a bit less 
fertile than the original, its potential for unusual structures 
(especially periodic "tiles") is really stunning.

Here's another v2; it's basically "Internal Reflections" on steriods,
with a precious metal finish.  This color map (called "sil&gold") and 
the one I used for "I.R." (called "circus") are two of my new faves 
for decomposition images (I'm also on a decomp jag, as you may 
have noticed).  Hard to believe I got along for 10 years with only one
option, color=iter (it was all I ever built into my programs).
Note: Both images/maps are also great for color cycling!


Bud

}

gjv2-04b           { ; gjv2-04a in silver & gold, (c)  Bud 3/2/98 - cycle
me, please!
                     ; frm gjv2 by Sylvie Gallet
  reset=1930 type=formula formulafile=filist.frm
  formulaname=gravijul-v2 function=sin/log/acosh passes=t
  center-mag=0/0.78/0.426 params=0/1.2/0/0/20/0 float=y
  maxiter=300 inside=0 decomp=256
  colors=200<30>z00<30>200000111<30>sss<30>222000012<30>0kz<30>022000211<3\
  0>zsX<31>000 cyclerange=0/255
  }

frm:gravijul-v2 { ; Variation on Mark Christenson's gravijul by Sylvie Gallet
   z = pixel :
   w = fn1(real(z)) , x = fn3(p1/fn2(w*w))
   w = fn1(imag(z)) , y = fn3(p1/fn2(w*w))
   z = x + flip(y) + p2
    |z| < p3
  }



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From: Mark Christenson <mchris@hooked.net>
Subject: Re: (fractint) thank you, thank you etc.
Date: 03 Mar 1998 23:58:14 -0800

I wrote:
> Here's another v2; it's basically "Internal Reflections" on 

*steroids*, not steriods.

I'm careless, not illiterate.


Bud



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From: Mark Christenson <mchris@hooked.net>
Subject: (fractint) Re: complex powers
Date: 04 Mar 1998 00:12:20 -0800

Ocie - 

Thanks for the run-down.  Guess I gotta shake out the cobwebs. 
It all made sense, but things like coordinate system conversions 
and identities are quite foreign now, having not been used since 
college (cripes, 1979?!?).  I'm pretty certain I couldn't do integration 
by parts or substitution to save my life. 

Bud


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From: Wizzle <wizzle@cci-internet.com>
Subject: (fractint) minibrot question
Date: 04 Mar 1998 07:50:52 -0800

How come if I start with the julia formula I can't find any mini-brots no
matter how much I zoom.......if I start with a mandelbrot with "stuff"
(those strings....which I still don't know where they come from).....I
don't have any trouble finding lots of minibrots among the julias on the
"stuff".

Where did the mandelbrot with "stuff" come from to begin with? And how do
the coordinates work? Is the middle of my screen ground zero in the
mandlebrot? Up and to the right is plus.....down and to the left is minus?

Can I input coordinates somewhere?

Angela aka wizzle



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From: Wizzle <wizzle@cci-internet.com>
Subject: Re: (fractint) thank you, thank you etc.
Date: 04 Mar 1998 07:56:29 -0800

Bud writes....

>Here's another v2; it's basically "Internal Reflections" on steriods,
>with a precious metal finish.  This color map (called "sil&gold") and 
>the one I used for "I.R." (called "circus") are two of my new faves 
>for decomposition images (I'm also on a decomp jag, as you may 
>have noticed).  Hard to believe I got along for 10 years with only one
>option, color=iter (it was all I ever built into my programs).
>Note: Both images/maps are also great for color cycling!
>
>
>Bud
>


Bud....the sil&gold map is truly excellent and I love what it did to your
image.  I thought the original lovely in a "painterly" sort of way. This
new variation has such a different feel....much more 3 dimensional. 

I've had a wonderful time with all the gravijul variations. For some
reason, crosses and mandalas keep coming up for me.....must be a "sign"
that I need to update my gallery for Easter/Vernal Equinox. Thanks you so
much Buc and Sylvie.

Angela aka wizzle 

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From: Daniel Sadoc <sadoc@rio.com.br>
Subject: (fractint) Feigenbaum number
Date: 04 Mar 1998 16:17:33 -0800

This is a multi-part message in MIME format.

--------------45B3F0F2189
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit

Hi!

        As I had an expecial interest in the Bifurcation Fractal and the Bifurcation Lambda, I got contact with the Feigenbaum number, which is good covered at the address below:

        http://www.stud.ntnu.no/~berland/math/feigenbaum/index.html

        Some days ago, however, I've found a little and "simple" program that calculates the Feigenbaum number.  Although I've understood how the Feigenbaum number is calculated based on the Bifurcation Fractal design,  I've passed many days trying to compreend how this program works, but I couldn't...
        
        So, I would like to ask if someone can help me to understand the logic of this code that I've attached to this message.

Thanks in advance,
Daniel Sadoc

--------------45B3F0F2189
Content-Type: text/plain; charset=us-ascii; name="FEIGENBM.PAS"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline; filename="FEIGENBM.PAS"

{$N+}
program feigenbm;

uses CRT;

var
   x,lambda,f,step_size,old_x,test,lambda_1,lambda_2,delta,
   init_step,old_lambda,new_step,old_step: extended;

   i,iterations: longint;

   j,sign: integer;

begin
        ClrScr;
        lambda := 3.0;
	Writeln('n          Lambda                 Delta');
	init_step := 1;
	for j:=1 to 19 do
	begin
             if j mod 2 = 0 then
                sign := -1
             else
		sign := 1;
             GotoXY(0,15+j);
             init_step := init_step/4.67;
             step_size := init_step;
             iterations := 2;
             for i:=1 to j-1 do
                      iterations := iterations*2;

             old_x := 0.5;
             lambda := lambda + step_size;
             repeat
		x := old_x;
		for i:=0 to iterations-1 do
                    x := lambda*x*(1-x);  { x := x * r * (1-x) }
                test := (x - old_x)*sign;
                if test < 0 then
                begin
		     lambda := lambda - step_size;
                     step_size := step_size/2;
                end;
                old_lambda := lambda;
                lambda := lambda + step_size;
                GotoXY(1,j+3);
		write(j:2,'   ',lambda:20:18,'   ');
             until old_lambda >= lambda;
             if j > 2 then
	     begin
		delta := (lambda_1 - lambda_2)/(lambda - lambda_1);
		write(delta:20:18);
             end;
             lambda_2 := lambda_1;
             lambda_1 := lambda;
	end;
end.

--------------45B3F0F2189--



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From: Daniel Sadoc <sadoc@rio.com.br>
Subject: (fractint) New WinFract User
Date: 04 Mar 1998 16:16:03 -0800

Hi!

        I've bought the book Fractals for Windows (from Wegner, Peterson, Tyler and Branderhorst), here where I live, in Brazil, and since than I'm very interested in fractals.  I've just got some experience with the WinFract, which I really appreciated.

        I've been reading some very interesting messages from this mail-list, and now I have a question, which I've sent in the following e-mail.

        I expect that I can contribute to the growing of this list.

Sincerily Yours,
Daniel Sadoc



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From: Daniel Sadoc <sadoc@rio.com.br>
Subject: (fractint) Especial
Date: 04 Mar 1998 16:25:09 -0800

Hi!
	I'm sorry by the English faults! I've just seen I had written "expecial", in the last e-mail, when I was trying to say "special"...

	Although the English errors, I hope everyboy had understood my question...

Waiting for reply,
Daniel Sadoc


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From: "Peter Gavin" <pgavin@mindspring.com>
Subject: (fractint) Date: Wed, 4 Mar 1998 14:52:02 -0500
Date: 04 Mar 1998 12:52:13 -0700

I've been totally unable to get diskvideo to work in batch mode, short of
making another fractint.cfg containing only the diskvideo mode I want.
Could someone tell me how I can continue an image I started in regulr
1024x768 graphics mode in 1024x768 diskvideo mode, without modifying my
sstools.ini and fractint.cfg?

Thanks,
Pete



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From: "Jay Hill" <ehill1@san.rr.com>
Subject: Re: (fractint) minibrot question
Date: 04 Mar 1998 12:28:41 -0800

Hi wizzle,

The Mandelbrot set is a Map of the Julia sets for the iteration 
equation, any iteration equation. It is showing us the convergence or 
divergence results we shall see (an image of results vs. c)  if we 
make a Julia set. The Julia set image shows us the 
convergence or divergence using different initial z0 values.  

If we want to see midgets in the Mandelbrot map, we must use 
z0 = a critical point. That is why we use z0=0 for the classic MSet.
Given that we use z0=critical point, we will see some midgets 
(depending on the iteration formula).  In the classic MSet, all the 
midgets are connected by smaller midgets and other 'points'.

These are the filaments. The pretty stuff we see are there because 
there are midgets all lined up in some organized pattern. Now the 
Julia set explicitly avoids the critical points (except for a few samples
in the z0 plain that happen to be critical points). So you don't see 
midgets.  If c (the parameter for the Julia set) is in a solid part of 
the corresponding Mandelbrot map, we shall see solid parts (non-
divergent) in the Julia set. Why?  Because where that z0=critical
point is, there at least, the iteration does not diverge. (It is in a solid 
part of the MSet and so it must be a solid part of JSet. It is after all
the one point belonging to both.)  If this point is well inside a solid 
component of the MSet, like in a bud, then for some region around
it in the JSet we shall see it is solid (non-divergent).  

If the point is not in or next to a MSet component, the point diverges 
and none of the JSet has a chance of converging. The JSet has no 
solid parts. 

If you put c in the 'center' of a midget's cardioid, there will be a 
circular solid spot in the center of the Julia (at the critical point).
If c is in a bud center, there will be several solid parts in JSet 
corresponding in a sense to the period of the orbits.

Hope this helps,

Jay
PS more below...

----------
> From: Wizzle <wizzle@cci-internet.com>
> To: Fractint@xmission.com
> Subject: (fractint) minibrot question
> Date: Wednesday, March 04, 1998 7:50 AM
> 
> How come if I start with the julia formula I can't find any mini-brots no
> matter how much I zoom.......if I start with a mandelbrot with "stuff"
> (those strings....which I still don't know where they come from).....I
> don't have any trouble finding lots of minibrots among the julias on the
> "stuff".

see above

> 
> Where did the mandelbrot with "stuff" come from to begin with? And how do
> the coordinates work? 

The coordinates are the complex number plain. If there is a rotation or
skewing then it gets messed up (but prettier for an image).

> Is the middle of my screen ground zero in the
> mandlebrot? 

Press 'z' and 'F6' to see the coordinates of the screen center.


>Up and to the right is plus.....down and to the left is minus?

Yes.
 
> Can I input coordinates somewhere?

Yes. In the 'z' F6 screen you can change center and zoom, etc.
> 
> Angela aka wizzle


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-------------------------------------------------------------------------------

From: kathy roth <kroth@well.com>
Subject: (fractint) Especial
Date: 04 Mar 1998 13:34:12 -0800

Your English is fine! Much better than my Portuguese.


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-------------------------------------------------------------------------------

From: Sylvie Gallet <Sylvie_Gallet@compuserve.com>
Subject: (fractint) (Fwd) Fix needed for F-tint 20
Date: 04 Mar 1998 18:06:58 -0500

This is a MIME-encapsulated message

--d1dea504-b3b2-11d1-a106-00805feaacd2
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline

Hi Tim,

>> Can anyone else duplicate this problem? With Bob's permission I am =

>> posting some mail he sent me privately.
<snipped>
>> I discovered that when I had somewhere around 150 formulas, the
>> formula names listed on the selection menu would run up against each
>> other like this: formula1formula2formula3 etc.

  You can duplicate it with the formula file attached.  Just change the
name of the first formula.

  The bug appears when the formula name has 4, 5, 7, 9, 12, 15 chars.  In=

all of these cases, (mumber of chars + 1) * number of colums =3D 78 or 80=
=2E

  Cheers,

        - Sylvie

--d1dea504-b3b2-11d1-a106-00805feaacd2
Content-Type: application/octet-stream; name="FNAMEBUG.ZIP"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="FNAMEBUG.ZIP"
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==
--d1dea504-b3b2-11d1-a106-00805feaacd2--

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From: "Alexandre de C. Borges" <borges@cpunet.com.br>
Subject: (fractint) Fractais in Brazil
Date: 04 Mar 1998 00:18:24 -0300

>Hi!
>
>        I've bought the book Fractals for Windows (from Wegner, Peterson,
Tyler and Branderhorst), here where I live, in Brazil, and since than I'm
very interested in fractals.  I've just got some experience with the
WinFract, which I really appreciated.
>
>        I've been reading some very interesting messages from this
mail-list, and now I have a question, which I've sent in the following e-mail.
>
>        I expect that I can contribute to the growing of this list.
>
>Sincerily Yours,
>Daniel Sadoc


Hello!!!

Brazil ???

Eh um prazer ver alguem da terra brazilis aqui na lista :-)


Eu tambem sou do Brazil companheiro

Opa, opa...os americanso nao devem estar entendendo nada do que escrevi
aqui...

ja fui, 

abracos




       _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
      _/    Alexandre de C. Borges      _/ 
     _/      borges@cpunet.com.br      _/  
    _/       unificator@yahoo.com     _/   
   _/          ICQ UIN: 3236595      _/   
  _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/ 

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From: Wizzle <wizzle@cci-internet.com>
Subject: Re: (fractint) New WinFract User
Date: 04 Mar 1998 18:41:53 -0800

Hi Daniel!!

Welcome to the list and I'm wishing you a lot of fun with fractint and
fractals. 

Angela aka wizzle

At 04:16 PM 3/4/98 -0800, you wrote:
>Hi!
>
>        I've bought the book Fractals for Windows (from Wegner, Peterson,
Tyler and Branderhorst), here where I live, in Brazil, and since than I'm
very interested in fractals.  I've just got some experience with the
WinFract, which I really appreciated.
>
>        I've been reading some very interesting messages from this
mail-list, and now I have a question, which I've sent in the following e-mail.
>
>        I expect that I can contribute to the growing of this list.
>
>Sincerily Yours,
>Daniel Sadoc
>
>
>
>-
>------------------------------------------------------------
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>
>

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From: Mark Christenson <mchris@hooked.net>
Subject: (fractint) gravijul-v2
Date: 04 Mar 1998 18:50:10 -0800

comment { commentary and pars by Mark "Bud" Christenson 3/4/98

Having played around with Sylvie's gravijul-v2 some more, I now 
am totally in awe.  I have about 30 images, and the hardest part 
is coming up with titles.  Here are four (you should be thankful I
don't dump more), all rendered in sil&gold.map.  Hey, it works 
for me!

Bud
}

gjv2-0g            { ; "Flag of the Fractal Republic", (c)  Bud 3/4/98
                     ; frm gjv2 by Sylvie Gallet
  reset=1930 type=formula formulafile=filist.frm
  formulaname=gravijul-v2 function=ident/cos/asin passes=t
  center-mag=1.79334/-1.03319/0.4381 params=0.25/1.5/-0.1/-0.1/6/0
  float=y maxiter=300 inside=0 decomp=256
  colors=000<31>zsX<31>000<31>z00<31>000<8>FFFHHHJJJLLLMMMOOO<17>sss<30>22\
  2000012<30>0kz<30>022 cyclerange=0/255
  }

gjv2-0h            { ; "Megaplaid", (c)  Bud 3/4/98
                     ; frm gjv2 by Sylvie Gallet
  reset=1930 type=formula formulafile=filist.frm
  formulaname=gravijul-v2 function=tan/acos/acos passes=t
  center-mag=1.79334/-1.03319/0.4381 params=0/1/-0.15/0/2/0 float=y
  maxiter=300 inside=0 decomp=256
  colors=000<31>zsX<31>000<31>z00<31>000<8>FFFHHHJJJLLLMMMOOO<17>sss<30>22\
  2000012<30>0kz<30>022 cyclerange=0/255
  }

gjv2-0o            { ; "Armor of God", (c) Bud 3/4/98
                     ; frm gjv2 by Sylvie Gallet
  reset=1930 type=formula formulafile=filist.frm
  formulaname=gravijul-v2 function=cotan/recip/atan passes=t
  center-mag=0/0/0.2074689 params=0/2/0.5/0.5/1/0 float=y maxiter=300
  inside=0 decomp=256
  colors=000<31>zsX<31>000<31>z00<31>000<8>FFFHHHJJJLLLMMMOOO<17>sss<30>22\
  2000012<30>0kz<30>022 cyclerange=0/255
  }

gjv2-0r            { ; "Puffy Plaid", (c)  Bud 3/4/98 - quasi-periodic tile
                     ; frm gjv2 by Sylvie Gallet
  reset=1930 type=formula formulafile=filist.frm
  formulaname=gravijul-v2 function=cos/acos/asinh passes=t
  center-mag=-2.66454e-015/1.77636e-015/0.32 params=0/1/0/0/2/0
  float=y maxiter=300 inside=0 decomp=256
  colors=000<31>zsX<31>000<31>z00<31>000<8>FFFHHHJJJLLLMMMOOO<17>sss<30>22\
  2000012<30>0kz<30>022 cyclerange=0/255
  }

frm:gravijul-v2 { ; Variation on Mark Christenson's gravijul by Sylvie Gallet
   z = pixel :
   w = fn1(real(z)) , x = fn3(p1/fn2(w*w))
   w = fn1(imag(z)) , y = fn3(p1/fn2(w*w))
   z = x + flip(y) + p2
    |z| < p3
  }



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From: "Jay Hill"<jrhill@nosc.mil>
Subject: (fractint) Two Fractint questions
Date: 04 Mar 1998 18:55:27 -0800


Hi folks,

I have two questions.

Question 1: I have a formula which is axis symmetric so this should work...

frm:Colorit1234   (XAXIS){


But it does not, the images computes top to bottom BUT if it is put this in

the par file

  outside=summ symmetry=xaxis periodicity=0

the images draws from top/bottom to the center - twice as fast.
Why does the frm version not work?  Also, if it did work, and I used
inverse, the symmetry would go away. How would the formula
know I had a non-symmetric image from a basically symmetric
formula? So is it ever a good idea to try to get the formula to have
a working symmetry instruction?
Oooops, that is more than one question.....

Example from Fractal of the Night
http://home.san.rr.com/jayrhill/FotN/FotN60.html

frm:3telescope (XAXIS){ ; (c) Jay Hill, 1998
; use outside=summ periodicity=0
done = 1, z = 0, zc = 0, c = pixel
s=|c|, t1=(256*s - 96)*s + 32*Real(c), t2=16*s + 32*Real(c) + 16
B=sqrt(-4*c-7), t3=|8+4*c*(1-B)|, t4=|8+4*c*(1+B)| ; component tests
z=z + 249*(t1<=3) + 250*(t2<=1) + 251*(t3<=1) + 252*(t4<=1) ; set colors
if(z>0) ; for periods 1, 2, 3.
done=-1 ; color is set for c in a component, skip iterations
endif
: ; initialization.
zc=sqr(zc) + c ; standard MSet iteration
if (|zc| >= 4) ; Bailout at 4
done=-1 ; Set flag to force an exit.
endif
done >= 0 ; Continue if the flag >=0.
}

Normal_MSet123t    { ; (C) Jay Hill, 1998
                     ; uses tests for components periods 1, 2, 3
  reset=1960 type=formula formulafile=Colorit4x.par
  formulaname=3telescope
  center-mag=-0.75/0/0.6666667 float=y maxiter=256 inside=249
  outside=summ periodicity=0 ;symmetry=xaxis
  colors=000UcmFKcADU<6>24U02U02W<7\
  >06g06i06j06l06n<5>19u2Aw4Bv<11>WYgZ_f`\
  aecccddbee`<10>ssGttEuuCwwAwwAwvA<28>\
  wdLwcMwcMwcM<90>wvuwvvwvvwwwwwvwwu<\
  51>ee5eKwKdwUUwZF5KUAc0KwwcwwweeLLLC
  }


Question 2: Is i=sqrt(-1) a constant in Fractint. It looks like it is not.

Should it be in a later release?

Jay
PS It looks like questions can be fractal, that is, upon closer look
they are more than one question!



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-------------------------------------------------------------------------------

From: pjcarlsn@ix.netcom.com (Paul and/or Joyce Carlson)
Subject: (fractint) Carlson-Gallet formula
Date: 04 Mar 1998 21:08:28 -0600 (CST)

A couple days ago I sent this formula and the first par to
Sylvie because I wasn't satisfied with the colormap I was
using and I wanted to see what the image would look like
after Sylvie worked her magic on it.  Sylvie not only sent
back five colormaps but also added several optimizations
to the formula.  Not wanting Sylvie's other four colormaps
to go unused, I've included four more pars that zoom into
different areas.

Paul Carlson

frm:Newt3_Atan_Mset {; Original formula by Paul Carlson
		       ; with optimizations by Sylvie Gallet
    ; F(w)   = w^3 + (c - 1) * w - c
    ; F'(w)  = 3 * w^2 + c - 1
    ; F''(w) = 6 * w,  so initialize w to zero
    ;
    ; p1 contols the "layering"
    ;
    c = pixel , c1 = c - 1
    z = iter = bailout = prev_w = w = 0
    colors_in_range = 80
    colors_in_range_1 = 79
    k = 0.5 * sqrt(1 - 4 * c)
    root1 = (1,0)
    root2 = -0.5 + k
    root3 = -0.5 - k
    :
    ;
    w2 = w * w
    w = w - (w * (w2 + c1) - c) / (3 * w2 + c1)
    ;
    delta_w = w - prev_w
    IF (|delta_w| < p1)
	angle = atan(imag(delta_w) / real(delta_w))
	IF (delta_w >= 0)
	    IF (imag(delta_w) < 0)
		angle = pi + angle
	    ELSE
		angle = pi - angle
	    ENDIF
	ELSEIF (imag(delta_w) > 0)
	    angle = -angle
	ENDIF
	IF     (|w - root1| < p1)
	    range_num = 0
	ELSEIF (|w - root2| < p1)
	    range_num = 1
	ELSEIF (|w - root3| < p1)
	    range_num = 2
	ENDIF
	bailout = 1
	z = colors_in_range_1*angle/pi+range_num*colors_in_range+1
    ENDIF
    prev_w = w
    iter = iter + 1
    z = z - iter
    bailout == 0
}

n3atnm01           { ; Parameters, coordinates by Paul Carlson
		       ; Colormap by Sylvie Gallet
  reset=1960 type=formula formulafile=n3atnm.frm
  formulaname=Newt3_Atan_Mset passes=t
  center-mag=+0.31671548334072320/+0.00018531398540474/60613\
  3.4/1/-157.5
  params=0.05/0 float=y maxiter=2000 inside=253 outside=summ
  colors=000zzz<78>FFFwzw<19>djfciebhdbhdagc`gc<2>_eaZd`Yc_Xc\
  _XbZ<4>T_WSZVSZVSZV<10>PWRPVQPVQOUPOUP<5>LRKKQKKQJJPJJPI<7>E\
  IBEIADH9CH8BG7BG6AF5EF0<30>`XJaYKaYKaYL<28>nj_nj_ok`ola<12>x\
  uk669000<12>000
  }

n3atnm02           { ; Parameters, coordinates by Paul Carlson
		       ; Colormap by Sylvie Gallet
  reset=1960 type=formula formulafile=n3atnm.frm
  formulaname=Newt3_Atan_Mset passes=t
  center-mag=-0.29314992560658230/+1.76018641725339800/1124.20\
  9/1/-90
  params=0.05/0 float=y maxiter=1000 inside=253 outside=summ
  colors=855wwp<27>piPpiOohMngL<13>fU7eT6eS5eS5<29>O31N20O41N20\
  <8>P62Q72Q72R82R82<16>gQ5hR5iS4<3>mW3nX2nX2nY2<6>rc0rc0rb0<4>\
  pZ1pY1oX2nX2<11>aL4`K4ZI3<7>P50CA6<78>tts000<10>J33P84P73O52
  }

n3atnm03           { ; Parameters, coordinates by Paul Carlson
		       ; Colormap by Sylvie Gallet
  reset=1960 type=formula formulafile=n3atnm.frm
  formulaname=Newt3_Atan_Mset passes=t
  center-mag=+0.42728883711880160/+0.00000000000000012/8.598042\
  e+008/1/-90
  params=0.05/0 float=y maxiter=1000 inside=253 outside=summ
  colors=111zll<29>lKUkJTkJTjJS<45>A05www<78>ADIADIBEJ<77>www000\
  987<10>111zmmzmm
  }

n3atnm04           { ; Parameters, coordinates by Paul Carlson
		       ; Colormap by Sylvie Gallet
  reset=1960 type=formula formulafile=n3atnm.frm
  formulaname=Newt3_Atan_Mset passes=t
  center-mag=+0.73440407174529280/-0.00000000000000085/34056.5\
  8/1/-90
  params=0.05/0 float=y maxiter=1000 inside=253 outside=summ
  colors=442zzn<29>voTunSunStmS<45>VNAxxn<30>imbimbhlagla<44>DN\
  Dxxn<30>imbimbhlagla<44>DND000<13>000
  }

n3atnm05           { ; Parameters, coordinates by Paul Carlson
		       ; Colormap by Sylvie Gallet
  reset=1960 type=formula formulafile=n3atnm.frm
  formulaname=Newt3_Atan_Mset passes=t
  center-mag=1.08545/0.200391/70.33726/1/16.299
  params=0.05/0 float=y maxiter=1000 inside=253 outside=summ
  colors=038rrz<78>HJSvvy<78>QHIQHIQIJ<77>vvy000<13>000
  }


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From: "Tim Wegner" <twegner@phoenix.net>
Subject: (fractint) anybody try simplgif?
Date: 04 Mar 1998 21:37:58 -0600

A while ago I mentioned that a new version of simplgif is available 
at:

ftp://ftp.phoenix.net/pub/USERS/twegner/simplgif.zip

This utility combines the images in multiple-image GIFs created with 
Fractint's "divide-and-conquer" mode.

Just curious, is it bug free or have folks just not gotten around to 
trying it? I'll tell you a secret if you promise not to tell. If 
you add the -i option to the simplgif command line before the 
filename arguments, it will produce an interlaced file. But no, 
Fractint doesn't read interlaced files correctly yet <g!>

Tim




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From: chessiecat@juno.com (C C)
Subject: (fractint) Fractint crashes Windows Explorer
Date: 04 Mar 1998 19:47:15 -0500

I have Fractint working successfully on a PII 233. However, about 75% of
the time when I exit Fractint (after using it in full-screen DOS mode) I
at once get a message that Windows Explorer crashed, and glitches appear
on the desktop. I can still do things, and don't have to reboot, so this
isn't a crisis, but it is a bit of a pain.--Alice

_____________________________________________________________________
You don't need to buy Internet access to use free Internet e-mail.
Get completely free e-mail from Juno at http://www.juno.com
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From: "Paul N. Lee" <Paul.N.Lee@Worldnet.att.net>
Subject: Re: (fractint) Fractais in Brazil
Date: 05 Mar 1998 00:00:04 -0600

Daniel Sadoc wrote:
> 
> Hi!
> .....(snipped).....
> I expect that I can contribute to the growing of this list.
>

Welcome to the list.


Alexandre de C. Borges wrote:
>
> Eh um prazer ver alguem da terra brazilis aqui na lista :-)
>

I'm sure it is a pleasure to see someone from one's own area on the
list.

>
> Eu tambem sou do Brazil companheiro
>

With you two from Brazil, I wonder about all the others on the list (in
which country they reside).

>
> Opa, opa...os americanso nao devem estar entendendo nada
> do que escrevi aqui...
>

It's easy for us English speaking people to understand what you wrote
here, just use the following URL to translate the language:

        http://babelfish.altavista.digital.com/


P.S.  for Douglas Adams fans, notice the url name.


     Why do most folks hate cynics so much?
       Because we're almost always right.
http://home.att.net/~Paul.N.Lee/PNL_Fractals.html

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From: "Jay Hill"<jrhill@nosc.mil>
Subject: Re: (fractint) Fractais in Brazil
Date: 04 Mar 1998 22:20:37 -0800


Paul Lee wrote:

>just use the following URL to translate the language:
>        http://babelfish.altavista.digital.com/



>>Opa, opa...os americanso nao devem estar entendendo nada do que escrevi
 >>          aqui

In English:

           Opa, opa... americanso nao must be understanding nothing of that
 I wrote
           here

:-)  :-)   :-)

Thanks Paul,

Now if they just had C++ to English,  Advanced Math to English, or even
better:
English to Fractint frm, English to Fractint par, English to Fractint map
....


Jay




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From: Gedeon Peteri <gedeon@InfoAve.Net>
Subject: Re: (fractint) Fractais in Brazil
Date: 05 Mar 1998 01:32:09 -0500

Paul N Lee wrote:

> With you two from Brazil, I wonder about all the others on the list (in
> which country they reside).

Kivancsi vagyok, hogy vannak e magyarok?

Gedeon


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From: "Jan Vyvey" <jan.vyvey@electrabel.be>
Subject: Re: (fractint) anybody try simplgif?
Date: 05 Mar 1998 12:12:22 +0100

At 21:37 4/03/98 -0600, you wrote:
>A while ago I mentioned that a new version of simplgif is available 
>at:
>
>ftp://ftp.phoenix.net/pub/USERS/twegner/simplgif.zip
>
>This utility combines the images in multiple-image GIFs created with 
>Fractint's "divide-and-conquer" mode.
>
>Just curious, is it bug free or have folks just not gotten around to 
>trying it? I'll tell you a secret if you promise not to tell. If 
>you add the -i option to the simplgif command line before the 
>filename arguments, it will produce an interlaced file. But no, 
>Fractint doesn't read interlaced files correctly yet <g!>
>
>Tim
>

Tim,

I tried the simplgif.exe file and it seems to work fine. I only have one
remark. I'm missing the line counter (present in the previous version) at
the end of the program (after constructing all the partial images into the
final file) so I don't know what progress the program is making at that
point. It's very useful when making HUGE gif files.

Jan



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From: "Jason Hine" <tumnus@together.net>
Subject: Re: (fractint) Fractais in ????
Date: 05 Mar 1998 06:51:33 -0500

Gedeon asks:
>Kivancsi vagyok, hogy vannak e magyarok?

Hmmm... from somewhere on the greater Asian continent?  This is definitely
tougher than Spanish to guess at!
Jason


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From: aq936@freenet.carleton.ca (Michael Traynor)
Subject: Re: (fractint) Fractais in ????
Date: 05 Mar 1998 07:25:15 -0500 (EST)

>Gedeon asks:
>>Kivancsi vagyok, hogy vannak e magyarok?
                                 ^^^^^^^^
My guess is he's asking if there are any speakers/writers of Hungarian
here.

>
>Hmmm... from somewhere on the greater Asian continent?  This is definitely
>tougher than Spanish to guess at!
>Jason

--
Mike Traynor

People who like this sort of thing will find this the sort of thing they like.
	Abraham Lincoln

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From: Gedeon Peteri <gedeon@InfoAve.Net>
Subject: Re: (fractint) Fractais in ????
Date: 05 Mar 1998 09:50:24 -0500

Michael Traynor wrote:

> >Gedeon asks:
> >>Kivancsi vagyok, hogy vannak e magyarok?
>                                  ^^^^^^^^
> My guess is he's asking if there are any speakers/writers of Hungarian
> here.

Excellent guess! Right on the money! You didn't do this with babelfish, did you?

Jason Hine wrote:

> Hmmm... from somewhere on the greater Asian continent?

In a manner of speaking. Left Asia 1,100 years ago.

My apologies for this off-topic digression. Here are some pars based on Kerry
Mitchell's great formulas. Due to their length I am not posting the formulas. If
you don't have the formulas already, you should definitely get them
Gedeon

bbj-02             { ; (c) Gedeon Peteri, 2/98
                     ; Formula by Kerry Mitchell
  reset=1960 type=formula formulafile=*.frm
  formulaname=bubbleboth_jul passes=1
  center-mag=-0.0420196/0.126141/14.74139
  params=0.30875/0.57/4/0.185/0.5/0.5 float=y maxiter=1023
  inside=0 decomp=256 periodicity=0
  colors=DVu<4>Hcz<23>00c`D1<14>yMMzNNyNM<13>`D10Wz\
  <37>y1zz0zy0z<23>OKzMKzKLzJLzIMz<14>2Vz0Wz1ZJ<25>\
  0yt0zu0yt<21>1bOw0U<24>xPM<13>w0U00000c<15>CTt
  }

f2j-02             { ; (c) Gedeon Peteri, 2/98
                     ; Formula by Kerry Mitchell
                     ; Wizzle burgold1 map
  reset=1960 type=formula formulafile=*.frm
  formulaname=field2_jul passes=1
  center-mag=0.550744/-0.0240423/4.349453/1/-27.5
  params=-0.76/0.127/10000000000/2 float=y maxiter=256
  inside=0 decomp=256 periodicity=0
  colors=WQF<17>ukTwmUwmU<45>G66F55D55<4>00A<36>\
  pptrrvqqu<33>77I55G33G00F<8>A0AB09C08E17F17<22>\
  h1Ij1Jk1Jm0Kl0K<26>L0A000K09<4>F07F07E07E07D16<10>8\
  44753863<14>UPF
  }

f2j-05             { ; (c) Gedeon Peteri, 2/98
                     ; Formula by Kerry Mitchell
  reset=1960 type=formula formulafile=*.frm
  formulaname=field2_jul passes=1
  center-mag=-0.386693/0.274151/3.12888
  params=-0.5845/0.4926/10000000000/0 float=y maxiter=256
  inside=0 decomp=256 periodicity=0
  colors=00l<46>002000000000000<29>00k00m01m<29>\
  0ky0mz1mz<30>zzz<46>2zz0zz0yz<45>02z00z00y<11>00m
  }

f3j-01             { ; (c) Gedeon Peteri, 2/98
                     ; Formula by Kerry Mitchell
  reset=1960 type=formula formulafile=*.frm
  formulaname=field3_jul passes=1
  center-mag=0.493526/-0.0707154/4.874544
  params=-0.7874/0.1645/1215752192/1 float=y maxiter=1023
  inside=0 decomp=256 periodicity=0
  colors=4IJ4GH3DE2BB<3>145123123<4>124124125136<29>\
  0GT0HU0IW<11>0Mo0Nq2Or<2>3Pr3Pr4Qs5Rs<20>2NP2NO1MM1LL\
  <9>199188188<3>177177166155<5>022022110111113166335\
  <18>Y`f_bi`bjabjbck<9>DKMAIJ8HH6FF<3>5DD5DD5DD5DD5CC\
  <3>4AA4A94A9499<4>378267267266256<6>114030004<29>1Tr\
  <10>fhwjjxllz<14>6VW<3>5LM
  cyclerange=0/255
  }

ntj-02             { ; (c) Gedeon Peteri, 2/98
                     ; Formula by Kerry Mitchell
                     ; Wizzle 1golds map
  reset=1960 type=formula formulafile=*.frm
  formulaname=nearline-theta_jul passes=1
  center-mag=-1.13577/0.112639/11.37086/1/-20
  params=-0.787/0.166/10000000000/51 float=y maxiter=1023
  inside=0 decomp=256 periodicity=0
  colors=toY<19>_PD000YOC<11>M80K60K54<24>uqYws_wr_<38>\
  L80K60K70<8>SG6TH7UI8UJ9VK9WLA<32>wt_<49>L70K60K70\
  <45>yuazwbyva<3>uqY
  }

rrj-01           { ; (c) Gedeon Peteri, 2/98
                   ; Formula by Kerry Mitchell
  reset=1960 type=formula formulafile=*.frm
  formulaname=range-r_jul passes=1
  center-mag=-9.12465e-016/1.16573e-015/1.64811/1/29.999/38.659
  params=-0.76/-0.08699999999999999/16/0/0.21/0.26 float=y
  maxiter=1023 inside=0 decomp=256 periodicity=0
  colors=D8FH8FK9FM9FPAGQAGTAGUBGXBG<3>bCHcCHdDHeDHfDH\
  <2>gDHhDHgDHgDH<4>cCHbCH`CH_CHYBGXBGUBGTAGQAGPAG<8>\
  26E3D07E0AE0EF0GG1KG1NH1RI1TI1XJ1ZJ2aK2<4>mM2oN2pN3\
  <2>tO3uO3uO3vO3<2>uO3uO3tO3sN3<3>mM2kM2hL2fL2<2>\
  ZJ2XJ1TI1RI1NH1KG1GG1EF0<2>4D03D076A87B<5>TDJWDKZEM\
  aFNdGO<2>kIRnISoJSrKTsKU<3>xLWyLWyMWyMWyMW<3>\
  vLVuKVsKUrKToJSnIS<3>dGOaFNZEMWDKTDJ<6>4693Eo8Fo\
  <4>PFpTGpVGpZGp<4>kHqnHqpHqrHq<2>vHqxHrxHryHrzHrzHr\
  <2>xHrxHrvHq<3>pHqnHqkHq<3>aGqZGpVGpTGp<4>BFo8Fo3Eo520\
  <6>UR0XBG<22>gCGhDHgDH<9>XBGQN0<5>52026E<3>C7F
  }

ry3j-01           { ; (c) Gedeon Peteri, 2/98
                    ; Formula by Kerry Mitchell
  reset=1960 type=formula formulafile=*.frm
  formulaname=range-y-3_jul passes=1
  center-mag=-0.535804/-0.0320229/7.304551/1/19.999
  params=-0.76/-0.127/16/16/1/0.1 float=y maxiter=1023
  inside=0 decomp=256 periodicity=0
  colors=FB8KA7J96I85600<15>600700901<27>\
  y0Jz0Kz0Lz0Lz0K<44>Q0DJEI<37>lglm\
  hmlgl<38>JEI600I85<36>sfatgbtfa<34>MC9
  }




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-------------------------------------------------------------------------------

From: Rich Thomson <rthomson@ptc.com>
Subject: Re: (fractint) Two Fractint questions 
Date: 05 Mar 1998 09:57:45 -0700



In article <882565BE.000E5E8F.00@NOTESGW.NOSC.MIL> ,
    "Jay Hill"<jrhill@nosc.mil>  writes:
> Question 1: I have a formula which is axis symmetric so this should work...
> 
> frm:Colorit1234   (XAXIS){
> 
> But it does not [...]

Did you try removing the space between the formula name and the
symmetry specification?  The parser might be sensitive to whitespace.
--
                                               Rich Thomson
                                               rthomson@ptc.com

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-------------------------------------------------------------------------------

From: Rich Thomson <rthomson@ptc.com>
Subject: Re: (fractint) Two Fractint questions 
Date: 05 Mar 1998 09:59:09 -0700


Oops, missed the second one :)

In article <882565BE.000E5E8F.00@NOTESGW.NOSC.MIL> ,
    "Jay Hill"<jrhill@nosc.mil>  writes:
> Question 2: Is i=sqrt(-1) a constant in Fractint. It looks like it is not.

I don't believe it is; all the constants that are defined are listed
in the helpfile.  I think its in the section on type=formula.  If you
need "i", just use flip(1).
--
                                               Rich Thomson
                                               rthomson@ptc.com

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-------------------------------------------------------------------------------

From: Mark Christenson <mchris@hooked.net>
Subject: (fractint) Exploring newl fractals
Date: 05 Mar 1998 09:00:46 -0800

I thought I'd pass on a lesson I learned from exploring Sylvie 
Gallet's gravijul-v2.  I first noted that it had less variety than 
the original formula, because I was getting a lot of blank screens.
After finding fractals that worked better with absurdly low 
bailout values (between 1 and 4), I started my scans again. 
To my amazement, function combinations that did nothing 
before produced incredible tiles!  So before you give up on 
Fractint sub-type, try a low bailout value.  You *will* get a 
degenerate case with very low iteration counts, but that 
can be an asset for "decomp" images (pixels that bail out in 
the first cycle produce the characteristic "fan" structure 
prominent in most of my images based on gj2v). 

Also, if you want to concentrate on producing tiled images, 
start your search with fn1 set to any of the periodic functions
(sin, cos, tan, cotan).  There are exceptions to this rule,
but these funtions will produce most of the tile families.


Happy hunting, Bud


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From: Mark Christenson <mchris@hooked.net>
Subject: (fractint) Exploring newl fractals - comment
Date: 05 Mar 1998 09:03:41 -0800

I suppose I could lie and claim "newl" was a new term combining
"new" and "kewl", but it was really just a typo.

Bud


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From:	Hailman@prepnet.ucc.on.ca
Subject: (fractint) Moving...
Date: 05 Mar 1998 13:00:44 -0500

Hi everybody. I'm moving to robert@apexwood.com! Bye Bye for now.
--
Robert Hailman,
publisher of "Your Weekly Smile"

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From: kragen@pobox.com (Kragen)
Subject: (fractint) Fractint as prototype society
Date: 05 Mar 1998 13:14:17 -0500 (EST)

I had a hard time finding Fractint on the Web; lots and lots of people
have pages about their use of it, few of which have links to the
`official' home page.

When I found the home page, I was a little disappointed to find that it
was still at 19.6 -- the last version I'd used was 19.2, I think, a few
years ago.  I feared that Fractint had died.

Imagine my surprise and joy to discover this mailing list!  Ten or
twenty messages per day, all of which are relevant, many of which are
really cool fractals, with twenty-nine different posters in the last
two days -- including Tim Wegner!

It looks like Fractint is far from dead after all.


My interest in Fractint is partly because it can produce extremely cool
pictures, and partly because it represents an extremely cool
sociological phenomenon, one that has the potential to change
everything about our society.

Fractint was built by an enormous group of talented volunteers, most of
whom contributed only a few hours of their time.  But because of
computer networking -- specifically CompuServe -- they all benefited
from the sum of everyone else's work.  And Fractint ended up being the
most featureful fractal software you could get for any price, as well
as an exemplar of excellent user-interface design, and having a set of
graphics-adapter drivers to rival any commercial graphics program.

This phenomenon is made possible by the zero-cost reproducibility of
computer software.  It means that you can get much more out of a
program than you ever put into it -- in fact, most people put in
nothing at all.

In more recent years, Linux and FreeBSD have done the same thing, and
they are certainly the best operating systems available for any price.
They're not exemplars of user-interface design, but that is rapidly
changing, now that that's something their users care about.

In the near future, I expect that automated fabrication technology will
make many goods much more softwarelike.  Material objects will cost
money to manufacture approximately in proportion to their mass, at
perhaps a $1 to $10 per pound.  The difficult part will be designing
them and propagating good designs.

I expect that we'll all have Stone Soup cars, televisions, and
computers, if we can figure out how to make it happen.

So Fractint is a compelling experiment in the possibilities of social
organization.  If we can figure out what elements made Fractint such a
roaring success, and duplicate those elements in other projects, 
-- we can make the world a better place for all of us.

So I'd like to hear what everyone thinks about 
- why Fractint was such a success
- what other projects they've seen that worked similarly
- what's happening to Fractint now?  Has it reached perfection?  :)

Some thoughts on these issues, for those who are interested, can be
found in the latest issue of First Monday, at
<URL:http://www.firstmonday.dk/issues/issue3_3/>.  The most influential
of the papers therein is Eric S. Raymond's `The Cathedral and the
Bazaar', which is also available at
<URL:http://sagan.earthspace.net/~esr/writings/cathedral-bazaar/>.

Kragen


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From: "Morgan L. Owens" <packrat@nznet.gen.nz>
Subject: Re: (fractint) Fractint as prototype society
Date: 06 Mar 1998 07:31:55 +1300

At 13:14 05/03/98 -0500, Kragen wrote:

>
>So I'd like to hear what everyone thinks about 
>- why Fractint was such a success
Immediate perception: the fact that Fractint _is_ free, and the fact that
its source code is distributed equally freely, with contributions welcome
from all quarters. I might suggest that the sort of people who would be
interested in generating fractals are more likely than most samples of the
human population to be the sort of people who would be in a good position
to contribute something program-wise. Just check out the number of
programmers on this list.

>- what other projects they've seen that worked similarly
Off the top of my head, I can think of POV-Ray - one of the best raytracing
programs I've seen, comparable in quality to many commercial packages.
Funnily enough, there's a not insignificant overlap between Fractint
programmers/users and POV-Ray programmers/users (our List Administrator is
one himself).

>- what's happening to Fractint now?  Has it reached perfection?  :)
>
To answer the second part first: NO! NO! NO! :) It still can't do realtime
animated quaternion Julia cross-sections, for a start!
To answer the first part; stay tuned to this list!

Morgan L. Owens
"When the globe is covered with a net of railroads and telegraph wires,
this net will render services comparable to those of the nervous system in
the human body, partly as a means of transport, partly as a means for the
propagation of ideas and sensations with the speed of lightning." Wilhelm
Weber, 1835.



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From: alex dukay <dukay@interlog.com>
Subject: Re: (fractint) Fractais in Brazil
Date: 05 Mar 1998 13:46:38 -0500

>Kivancsi vagyok, hogy vannak e magyarok?
Egy paran vannak

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From: Mark Christenson <mchris@hooked.net>
Subject: (fractint) Exploring new fractals
Date: 05 Mar 1998 10:49:06 -0800

I wrote:
>... before you give up on (a)
>Fractint sub-type, try a low bailout value.  

Note: this is particularly important for functions that 
always return values with magnitudes below 1, such as 
sine and cosine.

Bud


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From: kragen@pobox.com (Kragen)
Subject: Re: (fractint) Fractint crashes Windows Explorer
Date: 05 Mar 1998 14:20:13 -0500 (EST)

On Wed, 4 Mar 1998, C C wrote:
> I have Fractint working successfully on a PII 233. However, about 75% of
> the time when I exit Fractint (after using it in full-screen DOS mode) I
> at once get a message that Windows Explorer crashed, and glitches appear
> on the desktop. I can still do things, and don't have to reboot, so this
> isn't a crisis, but it is a bit of a pain.--Alice

You can restart Windows Explorer by hand if you have, say, File Manager
open.  Just do File|Run|Explorer.

My NT4 machine at work restarts Explorer automatically whenever it
crashes.  Also, on NT, you can do control-alt-del and get Task Manager
-- kind of a gussied-up Task List -- and you can do a "New Task" with
it to restart Explorer.  I don't know if 95's task list lets you do
this, though.

Oh, well.  Soon, we'll all be running Linux, so it won't matter anyway.

Kragen


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From: kragen@pobox.com (Kragen)
Subject: Re: (fractint) Fractint crashes Windows Explorer
Date: 05 Mar 1998 14:29:28 -0500 (EST)

On Thu, 5 Mar 1998, Kragen wrote:
> On Wed, 4 Mar 1998, C C wrote:
> > I have Fractint working successfully on a PII 233. However, about 75% of
> > the time when I exit Fractint (after using it in full-screen DOS mode) I
> > at once get a message that Windows Explorer crashed, and glitches appear
> > on the desktop. I can still do things, and don't have to reboot, so this
> > isn't a crisis, but it is a bit of a pain.--Alice
> 
> You can restart Windows Explorer by hand if you have, say, File Manager
> open.  Just do File|Run|Explorer.

On rereading my message, I realize that it sounds like I don't
understand the problem.

Presumably, you would like it to not crash Explorer, and since you
`don't have to reboot', it's possible that you already know how to
start Explorer manually :)  (Or perhaps Win95 restarts it
automatically.)

Kragen


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From: "Jay Hill" <ehill1@san.rr.com>
Subject: Re: (fractint) posted par or frm files
Date: 05 Mar 1998 13:02:01 -0800

George,

----------
> From: Wizzle <wizzle@cci-internet.com>
> To: fractint@lists.xmission.com
> Subject: Re: (fractint) posted par or frm files
> Date: Tuesday, March 03, 1998 7:09 AM
> 
> George...
> 
> I thought yours was an excellent explanation.  Would you mind if I copied
> it and posted it at my website along with several other lessons I have
> there? In the very few months I've been on this list this question has
> materialized several times so it seems worthwhile to have it permanently
> available for reference.
> 

I agree, it is a candidate for the iFAQ, inFrequently Asked Questions.
http://home.san.rr.com/jayrhill/

Hmmm.....  mayby not.  It shows up too often.  :-)

Jay


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From: kragen@pobox.com (Kragen)
Subject: Re: (fractint) posted par or frm files
Date: 05 Mar 1998 16:21:32 -0500 (EST)

On Thu, 5 Mar 1998, Jay Hill wrote:
> > In the very few months I've been on this list this question has
> > materialized several times so it seems worthwhile to have it permanently
> > available for reference.
> 
> I agree, it is a candidate for the iFAQ, inFrequently Asked Questions.
> http://home.san.rr.com/jayrhill/
> 
> Hmmm.....  mayby not.  It shows up too often.  :-)

We could have an actual FAQ, Frequently Asked Questions.  For an
excellent example of the genre, see Marshall P. Cline's C++ FAQ at
<URL:http://www.cerfnet.com/~mpcline/c++-faq-lite/>.

There are tools that will help you automatically generate such
documents; the former Linuxdoc-SGML (now called by a different name...
sgmlsomething) and LaTeX are two.

Kragen


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From: Peter Jakubowicz <pfjakub@earthlink.net>
Subject: (fractint) Bug in amber
Date: 05 Mar 1998 16:36:56 -0800

Thanks Angela and Sylvie for your colormaps; but (after much weeping and
gnashing of teeth) I still can't quite get the effect I want. Has anyone
seen the cover of Exploring Chaos (edited by Nina Hall); that's the effect
I want but can't get. Can Fractint do that? Unaided, even?

 
   


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From: Nature102 <Nature102@aol.com>
Subject: Re: (fractint) Fractint as prototype society
Date: 05 Mar 1998 16:40:45 EST

In a message dated 98-03-05 13:17:05 EST, kragen@pobox.com writes:

<< So I'd like to hear what everyone thinks about 
 - why Fractint was such a success>>

  Because it rulez and because it's free! Obviously! :-P

 <<- what other projects they've seen that worked similarly>>

  ::Shrugs:: Only one I can think of right off-hand is POV-Ray, a freeware
raytracer which is also the best one I have ever seen. (Well, the ONLY one,
actually, but it still rules. :-P)

<< - what's happening to Fractint now?  Has it reached perfection?  :) >>

  Nope. Not until it can calculate images at zoom levels of 10^(10^12) in five
seconds and generate realtime 3-D walkthroughs of fractal worlds. :-P

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From: Peter Jakubowicz <pfjakub@earthlink.net>
Subject: Re: (fractint) Fractint as prototype society
Date: 05 Mar 1998 17:08:17 -0800

>- what other projects they've seen that worked similarly

Netscape 5.0 (haven't seen it but the source will be available)


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From: Les St Clair <Les_StClair@compuserve.com>
Subject: (fractint) Fractint crashes Windows Explorer
Date: 05 Mar 1998 17:15:14 -0500

Hi Alice,

You asked,

>>I have Fractint working successfully on a PII 233. However, about 75% o=
f
>>the time when I exit Fractint (after using it in full-screen DOS mode) =
I
>>at once get a message that Windows Explorer crashed

FWIW, here's my Fractint settings for Win95, also running on a Pentium II=
:

Program tab: Run Maximized, Close on exit
Program tab, Advanced options: Suggest MS-DOS mode as necessary

Memory tab: =

> Conventional memory options - both set to auto
> EMS - not configured
> XMS - set to auto, use HMA
> protected mode memory - set to auto

Screen tab: =

> Usage - full screen, intial size =3D default
> Performance - fast ROM emulation & Dynamic memory allocation both enabl=
ed

Misc. tab:
> Foreground - Allow screen saver disabled
> background - Always suspend disabled

I've used these settings since I got my PII and have never had and
problems.

cheers, Les





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From: George Martin <76440.1143@compuserve.com>
Subject: Re: (fractint) Two Fractint questions
Date: 05 Mar 1998 17:27:45 -0500


>If you need "i", just use flip(1).

The most efficient way to represent "i" in a formula is "(0,1)". The
complex constant will be set up before the formula image starts drawing,
and thus does not entail a separate operation during the running of the
formula.

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From: George Martin <76440.1143@compuserve.com>
Subject: Re: (fractint) Two Fractint questions
Date: 05 Mar 1998 17:27:42 -0500

Rich,

>The parser might be sensitive to whitespace.

The parser ignores all white space, except that a blank signals the end of
a formula name (or a par entry, for that matter). Thus a formula named

this is good {}

would be read as having the name "this". An open paren or open brace also
signals the end of the formula name if no blank space has been reached.
Blank spaces, or lack thereof, between the formula name and the symmetry do
not affect the way the formula name, symmetry, and content are read. 

George Martin

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From: Les St Clair <Les_StClair@compuserve.com>
Subject: (fractint) February's pars
Date: 05 Mar 1998 17:40:19 -0500

OK gang, the collected pars from this list for February can be downloaded=

from my web pages at:

http://ourworld.compuserve.com/homepages/Les_StClair/

You'll need to get the updated formula file too.

cheers, Les

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From: Les St Clair <Les_StClair@compuserve.com>
Subject: (fractint) Bug in amber
Date: 05 Mar 1998 17:40:15 -0500

Peter Jakubowicz wrote:

>>Thanks Angela and Sylvie for your colormaps; but (after much weeping an=
d
gnashing of teeth) I still can't quite get the effect I want.<<

Why not post your par here and set everyone a coloring challenge?

- Les


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From: davides <davides@pipeline.com>
Subject: Re: (fractint) Bug in amber
Date: 05 Mar 1998 17:54:32 -0500

At 04:36 PM 3/5/98 -0800, you wrote:
 (Has anyone seen the cover of Exploring Chaos (edited by Nina Hall);
that's the effect I want but can't get. Can Fractint do that? Unaided, even?)

I have a copy of the book. I _think_ I have produced something similar, but
did not care for it, so did not keep it. I think it was in Lyapunov...


The coloring of the cover (gold/black) is good, though.

davides@pipeline.com
Back up my hard drive?
How do I put it in reverse?

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From: Genealogy1 <Genealogy1@aol.com>
Subject: Re: (fractint) February's pars
Date: 05 Mar 1998 17:59:18 EST

Hi Les,

I can't get your web page using AOL. Could you ZIP February's PARs and send
them to my CompuSrve address. I can't receive ZIP files on AOL.

Thank you Les.

--Bob Carr--

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From: Sylvie Gallet <Sylvie_Gallet@compuserve.com>
Subject: (fractint) Bug in amber
Date: 05 Mar 1998 18:42:53 -0500

Hi Les,

>> Why not post your par here and set everyone a coloring challenge?

  Good idea!

        - Sylvie

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From: Peter Jakubowicz <pfjakub@earthlink.net>
Subject: Re: (fractint) Bug in amber
Date: 05 Mar 1998 18:55:10 -0800

>Why not post your par here and set everyone a coloring challenge?
>
>- Les

Okey-dokes. Now, what's wrong with this picture? Thanks.

pupu_platter       {
  reset=1960 type=formula formulafile=*.frm
  formulaname=tri-mandel-2 passes=1
  center-mag=-0.81639704071728690/+0.19987975977827340/4007.741/1/85
  params=4096/2 float=y maxiter=4096 decomp=256 periodicity=0
  colors=WXz`y0<5>Xz0Wz0Wz0Wz0<60>IJ0II0II0II0<30>PIRWXz<10>_St_Rs_Rr`QqaQ\
  q<45>t3Ou2Nu3N<45>yr4ys3xs3<37>`y0
  }


frm:tri-mandel-2 { ; Sylvie Gallet <sylvie_gallet@compuserve.com>, May 1997
               ; Thanks to Kerry Mitchell for the idea!
               ; real(p1) = bailout (1024 recommended)
               ; imag(p1) must be different from 0 (>=1 recommended)
   ; This formula must be used with decomp = 256 and periodicity = 0
   ;
   c = z1 = pixel , b = mz1 = cabs(z1) , summ = iter = 1
   b1 = abs(real(p1)) , f = b1^0.1
   b2 = b1*f , b3 = b2*f , b4 = b3*f , b5 = b4*f , b6 = b5*f
   b7 = b6*f , b8 = b7*f , b9 = b8*f , b10 = b9*f , b11 = b10*f
   iter1 = iter2 = iter3 = iter4 = iter5 = iter6 = iter7       \
         = iter8 = iter9 = iter10 = summ_tot = iter_tot = 0
   k = imag(p1) * (0.0,6.28319530718)
   :
   iter = iter + 1 , a = mz1 * mz1
   z1 = z1 * z1 + c , mz1 = cabs(z1) , a_b = abs(a - b)
   summ = summ + (mz1 - a_b) / (a+b - a_b)
   IF (mz1 > b1)
    IF (iter1==0)
     iter1 = iter
     iter_tot = iter_tot + iter1 , summ_tot = summ_tot + summ
    ENDIF
    IF (mz1 > b2)
     IF (iter2==0)
      iter2 = iter
      iter_tot = iter_tot + iter2 , summ_tot = summ_tot + summ
     ENDIF
     IF (mz1 > b3)
      IF (iter3==0)
       iter3 = iter
       iter_tot = iter_tot + iter3 , summ_tot = summ_tot + summ
      ENDIF
      IF (mz1 > b4)
       IF (iter4==0)
        iter4 = iter
        iter_tot = iter_tot + iter4 , summ_tot = summ_tot + summ
       ENDIF
       IF (mz1 > b5)
        IF (iter5==0)
         iter5 = iter
         iter_tot = iter_tot + iter5 , summ_tot = summ_tot + summ
        ENDIF
        IF (mz1 > b6)
         IF (iter6==0)
          iter6 = iter
          iter_tot = iter_tot + iter6 , summ_tot = summ_tot + summ
         ENDIF
         IF (mz1 > b7)
          IF (iter7==0)
           iter7 = iter
           iter_tot = iter_tot + iter7 , summ_tot = summ_tot + summ
          ENDIF
          IF (mz1 > b8)
           IF (iter8==0)
            iter8 = iter
            iter_tot = iter_tot + iter8 , summ_tot = summ_tot + summ
           ENDIF
           IF (mz1 > b9)
            IF (iter9==0)
             iter9 = iter
             iter_tot = iter_tot + iter9 , summ_tot = summ_tot + summ
            ENDIF
            IF (mz1 > b10)
             IF (iter10==0)
              iter10 = iter
              iter_tot = iter_tot + iter10 , summ_tot = summ_tot + summ
             ENDIF
             IF (mz1 > b11)
              iter_tot = iter_tot + iter , summ_tot = summ_tot + summ
              z = exp (summ_tot * k / iter_tot)
             ENDIF
            ENDIF
           ENDIF
          ENDIF
         ENDIF
        ENDIF
       ENDIF
      ENDIF
     ENDIF
    ENDIF
   ENDIF
   mz1 <= b11
   }




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-------------------------------------------------------------------------------

From: Rich Thomson <rthomson@ptc.com>
Subject: Re: (fractint) Two Fractint questions 
Date: 05 Mar 1998 17:28:56 -0700


In article <199803051730_MC2-35A6-B600@compuserve.com> ,
    George Martin <76440.1143@compuserve.com>  writes:
> >If you need "i", just use flip(1).
> 
> The most efficient way to represent "i" in a formula is "(0,1)".

Last time I looked up the formula stuff, it wasn't obvious you could
write complex constants.  Is this only for constants, or can I write
"(imag(z),real(z))"?  (This is admittedly a contrived example, since
that expression is equivalent to flip(z).)
--
                                               Rich Thomson
                                               rthomson@ptc.com

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From: "gumbycat" <gumbycat@ix.netcom.com>
Subject: Re: (fractint) Bug in amber
Date: 05 Mar 1998 16:40:32 -0800

Hi, Peter -

>>Has anyone  seen the cover of Exploring Chaos (edited by Nina Hall);
that's the effect I want but can't get.<<

My baby is still in the shop, and I'm still on cortisone, and feeling
suicidal in general.  So I just woke up to the fact that you are looking
for an amber colormap, and there are some GREAT formulas called
gravijul-this-and-that floating around out there.  I haven't seen the cover
you reference, and I don't know if this map will do it or not, but I hope
it helps.  You may have to make some alterations to get it to "fall" right
on the specific fractal you are working on.

In keeping with the group's decision that attachments are unwanted, the
specifics follow:

Enjoy!  Linda

---------------------------  begin here 

gravijul_amber1    { ; copyright Linda Allison 1998
                     ; gumbycat@ix.netcom.com
  reset=1960 type=formula formulafile=fractint.frm
  formulaname=gravijul-v2 function=atan/log/log
  center-mag=0.0255918/-0.0130251/0.6418893/1.3333 params=1/1/1/1/8/-8
  float=y maxiter=300 inside=0 logmode=fly decomp=256
  viewwindows=1/1/yes/0/0
  colors=410<25>H60H60I60J70<5>O80P90Q90RA0SA0<4>WC0XD0YE1ZF1_F2<10>jO7kO7\
  lP7mQ7nR8<10>y`AzaBzaBzaB<60>vaIu`JuaL<14>uwovyrvxq<23>sWBrU9rVB<18>yvlz\
  xnzwm<20>tTAsR8qQ8<6>bE2_C1YC1<12>511200200<3>400 cyclerange=0/255
  }

gravijul_amber2    { ; copyright Linda Allison 1998
                     ; gumbycat@ix.netcom.com
  reset=1960 type=formula formulafile=fractint.frm
  formulaname=gravijul-v2 function=atan/log/log
  center-mag=0.0255918/-0.0130251/0.2525655/1.3333
  params=0.5/0.5/0.5/0.5/8/-8 float=y maxiter=300 inside=0 logmode=fly
  decomp=256 viewwindows=1/1/yes/0/0
  colors=waI<13>vaIu`JuaL<14>uwovyrvxq<23>sWBrU9rVB<18>yvlzxnzwm<20>tTAsR8\
  qQ8<6>bE2_C1YC1<12>511200200<30>H60H60I60J70<5>O80P90Q90RA0SA0<4>WC0XD0Y\
  E1ZF1_F2<10>jO7kO7lP7mQ7nR8<10>y`AzaBzaBzaB<45>waI cyclerange=0/255
  }

gravijul_amber3    { ; copyright Linda Allison 1998
                     ; gumbycat@ix.netcom.com
  reset=1960 type=formula formulafile=fractint.frm
  formulaname=gravijul-v2 function=cosh/log/log
  center-mag=-0.00108398/0.00344799/0.1559196/1.3333
  params=0.5/0.5/0.5/0.5/8/-8 float=y maxiter=300 inside=0 logmode=fly
  decomp=256 viewwindows=1/1/yes/0/0
  colors=u_K<4>tTAsR8qQ8<6>bE2_C1YC1<12>511200200<30>H60H60I60J70<5>O80P90\
  Q90RA0SA0<4>WC0XD0YE1ZF1_F2<10>jO7kO7lP7mQ7nR8<10>y`AzaBzaBzaB<60>vaIu`J\
  uaL<14>uwovyrvxq<23>sWBrU9rVB<18>yvlzxnzwm<14>vaM cyclerange=0/255
  }

frm:gravijul-v2 { ; Variation on Mark Christenson's gravijul by Sylvie
Gallet
   z = pixel :
   w = fn1(real(z)) , x = fn3(p1/fn2(w*w))
   w = fn1(imag(z)) , y = fn3(p1/fn2(w*w))
   z = x + flip(y) + p2
    |z| < p3
  }

----------  end  ------------------


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From: George Martin <76440.1143@compuserve.com>
Subject: Re: (fractint) Two Fractint questions
Date: 05 Mar 1998 20:04:07 -0500

Rich,

>
Last time I looked up the formula stuff, it wasn't obvious you could
write complex constants.  Is this only for constants, or can I write
"(imag(z),real(z))"?  (This is admittedly a contrived example, since
that expression is equivalent to flip(z).)
<

A complex constant must be in the form open paren, number, comma, number,
close paren, e.g. "(2,-4)". The example you gave should give an error
message (it will for sure in the next release, because I just rewrote the
error warning code about a week ago to make sure it does).

George

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From: pjcarlsn@ix.netcom.com (Paul and/or Joyce Carlson)
Subject: Re: (fractint) Bug in amber
Date: 05 Mar 1998 19:54:06 -0600 (CST)

> (Has anyone seen the cover of Exploring Chaos (edited by Nina Hall);
>that's the effect I want but can't get. Can Fractint do that? Unaided, 
>even?)

I have a copy of the book, and these two images, although not created
with Fractint, can be loaded into Fractint and the colormaps saved.  I
think the colors may be close to what you want.  These URLs will
download the images directly from the web.

http://fractal.mta.ca/fractals/carlson/misc/lysq320.gif
http://fractal.mta.ca/fractals/carlson/misc/lyd101.gif

Paul Carlson



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From: Jim Muth <jamth@mindspring.com>
Subject: Re: (fractint) Bug in amber
Date: 05 Mar 1998 22:06:09 -0500 (EST)


>At 04:36 PM 3/5/98 -0800, you wrote:
>
>Has anyone seen the cover of Exploring Chaos (edited 
>by Nina Hall); that's the effect I want but can't get. 
>Can Fractint do that? Unaided, even?


I haven't seen the cover, but the attached par file draws 
an image with the effect I think you are after.  It looks 
especially interesting in the LL and UR corners.


Jim Muth
jamth@mindspring.com


START PAR FILE===========================================

Bugs_in_Amber      {
  reset=1960 type=formula formulafile=pupa.par
  formulaname=tri-mandel-2 passes=1
  center-mag=-0.81638853866990490/+0.19987840981595260/4\
  007.741/1/85 params=4096/2 float=y maxiter=4096
  inside=0 logmap=45 decomp=256 periodicity=0
  colors=000vsOvtO<14>vqOvb0<28>vb0vzf<14>vzfvzevzevzdvz\
  c<11>vzSvuQ<2>vuKvuIvuFvuCvu9vu6vr3vq0<7>vp0vp0vm0<2>vk0\
  vj0vj0vj0<4>vi0vh0vh0vg0vf0ve0vd0<2>v_0vZ0vZ0<18>vL0vL0t\
  J0<2>qE0oC0nB0lA0<9>9A0vQ0<2>vV0vX0vX0<31>vd0ve1ve1ve2ve\
  2<49>vrOvrOvrOvsOvsO
  }

END PAR FILE=============================================


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From: Mark Christenson <mchris@hooked.net>
Subject: (fractint) bug in amber - not!
Date: 05 Mar 1998 22:05:38 -0800

comment { words and pars by Bud 3/5/98

Well, it doesn't look like what Peter wanted, but IMHO it's 
worth sharing.  Nice image by Peter, cool formula (which,
due to its length, I'm not posting) by Sylvie, dressed up in 
(what else?) a modified sil&gold.  Plus a bonus gravijul-v2.

Enjoy, Bud
}

pupu_gold          { ; req v19.6; Bud's recolor of Peter J's pupu_platte 3/5/98
                     ; no (c) claimed, credit -> Peter
  reset=1960 type=formula formulafile=filist.frm
  formulaname=tri-mandel-2 passes=t
  center-mag=-0.81639704071728690/+0.19987975977827340/4007.741/1/85
  params=4096/2 float=y maxiter=4096 decomp=256 periodicity=0
  colors=q00<26>000<28>nnnppprrrsssrrrppp<28>222000012<30>0kz<6>0am0_k0_j<\

21>JLMKKKLKK<21>idNkeOmgP<6>zsX<6>mgQkePjeP<19>ONLNMLMLLKKKLKKMJJ<19>h
22\
  i11k00m00<6>z00<3>s00 cyclerange=0/255
  }

gjv2-14a           { ; "Baroque", (c)  Bud 3/5/98
                     ; frm gjv2 by Sylvie Gallet
  reset=1930 type=formula formulafile=filist.frm
  formulaname=gravijul-v2 function=tan/log/log passes=t
  center-mag=0/0/0.425 params=0/1.8/0.7/0.7/6/0 float=y maxiter=300
  inside=0 decomp=256
  colors=000<31>zsX<31>000<31>z00<31>000<8>FFFHHHJJJLLLMMMOOO<17>sss<30>22\
  2000012<30>0kz<30>022 cyclerange=0/255
  }

frm:gravijul-v2 { ; Variation on Mark Christenson's gravijul by Sylvie Gallet
   z = pixel :
   w = fn1(real(z)) , x = fn3(p1/fn2(w*w))
   w = fn1(imag(z)) , y = fn3(p1/fn2(w*w))
   z = x + flip(y) + p2
    |z| < p3
  }



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From: Jerry Fox <jerry.fox@gecm.com>
Subject: Re: (fractint) Fractint as prototype society
Date: 06 Mar 1998 14:03:33 -0300 (BST)

> So I'd like to hear what everyone thinks about 
> - why Fractint was such a success
> - what other projects they've seen that worked similarly

There's a freeware Unix text editor called Nedit, which is maintained 
by a chap in Fermilab named Mark Edel, which is run in a somewhat 
similar way.  (It's at:

                 ftp://ftp.fnal.gov/pub/nedit/v5_0_1/

              )

I believe Mark has some sort of 'official' responsibility for the program,
but many people have contributed to its present state.

It is freely available as source, and one of its features is syntax 
highlighting for many different languages (I wonder if I could do one 
for Fractint formulas and pars...?) and the macros are a popular area for 
contributions, as are operational macros.

Being Unix, and available as source, there is much folklore about how 
to compile on platform X with Motif Y...

(on topic again!) I like the idea of a colourmap competition, but the 
temptation to start from a palette by one of our artists would be 
very strong!  Maybe 'sealed entries' should be sent to a referee by a 
certain date, and reveal all entries the next day?

--

Jerry Fox, South Wales

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From: Wizzle <wizzle@cci-internet.com>
Subject: Re: (fractint) Bug in amber
Date: 06 Mar 1998 07:59:54 -0800

At 06:55 PM 3/5/98 -0800, you wrote:
>>Why not post your par here and set everyone a coloring challenge?
>>
>>- Les
>
>Okey-dokes. Now, what's wrong with this picture? Thanks.

The wizzle solution

wizzle_bug         { ; wizzle 3-6-98 based on pete j's amberbug problem
  reset=1960 type=formula formulafile=mar98.frm
  formulaname=tri-mandel-2
  center-mag=-0.81639704071728690/+0.19987975977827340/4007.741/1/85
  params=4096/2 float=y maxiter=4096 decomp=256 periodicity=0
  colors=000L60<4>G10F00F00F00K00<4>000<77>000F00<6>F00F00H20<13>rf8ui9wmA\
  <6>KA3KA2F51A00<3>N00Q70<11>cUI<4>A00ujA<13>K41A00<6>K00900<7>400400500<\
  14>K00<3>`MBOAD<3>mcPtgM<6>U00<3>F00<7>zm0<2>fT0<22>M70
  }

wizzle_gold        { ; wizzle 3-6-98 original color map for pete's problem
  reset=1960 type=formula formulafile=mar98.frm
  formulaname=tri-mandel-2
  center-mag=-0.81639704071728690/+0.19987975977827340/4007.741/1/85
  params=4096/2 float=y maxiter=4096 decomp=256 periodicity=0
  colors=000<67>000U00<14>ui9wmAvjA<14>U00<14>ui9wmAvlA<13>eM1cK0dM2<13>xp\
  `zsczrb<14>wcA<12>zmU000<75>000
  }

And since someone mentioned using an existing color map to try getting the
result Pete described, I also am posting my b2golds.map which was my point
of departure........if you compare the maps you will see what vastly
different results are obtained.  I haven't had a chance to look at any of
the other "bugs" yet. 

P.S. I had the opportunity to see the Amber Room in the Catherine Palace
outside St. Petersburg last year.......fabulous!!!!! even though it isn't
restored yet. There were entire panels of amber in the most glorious
colors.  That image was in my mind when I did my version.


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From: Peter Jakubowicz <pfjakub@earthlink.net>
Subject: Re: (fractint) Fractint as prototype society
Date: 06 Mar 1998 10:54:53 -0800

At 02:03 PM 3/6/98 -0300, Jerry Fox wrote:

[snip]

>(on topic again!) I like the idea of a colourmap competition, but the 
>temptation to start from a palette by one of our artists would be 
>very strong!  Maybe 'sealed entries' should be sent to a referee by a 
>certain date, and reveal all entries the next day?
>

Good idea, too. But, maybe, instead of just a contest this time, some of
the more experienced users would consider constructively criticizing the
entries so we could learn something from it. I think a good image to use
would be one of the Mandelbrot Novas on Paul Derbyshire's web page; the
first one in particular wld serve, I think, as a good coloring litmus test. 


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From: Wizzle <wizzle@cci-internet.com>
Subject: (fractint) amberbug.map ps
Date: 06 Mar 1998 08:04:53 -0800

My amber map (fondly called amberbug.map in my archives) is designed to be
cycled.....so please try that and see if you prefer a different combination. 

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From: Mark Christenson <mchris@hooked.net>
Subject: (fractint) Bug in amber
Date: 06 Mar 1998 08:34:52 -0800

comment { words and pars by Bud 3/6/98

Here's something a bit more in line with Peter's request.

Also, a note to Stone Soup: Please consider adding Sylvie's
outside color technique to v20 (if possible)!  Most impressive!
The two "z" screen variables are great, but would be difficult
to assimilate into the current system, which takes no parameters.

Bud

}

pupu_amber_B       { ; Bud's recolor of Peter J's "Bug in Amber", 3/6/98
  reset=1960 type=formula formulafile=filist.frm
  formulaname=tri-mandel-2 passes=t
  center-mag=-0.81639704071728690/+0.19987975977827340/5343.655/0.75/85
  params=4096/2 float=y maxiter=4096 decomp=256 periodicity=0
  colors=q00<26>000<31>sss<30>222000012<30>0kz<6>0am0_k0_j<21>JLMKKKLKK<29\
  >xg1zh0yg0<29>MC0KA0LA0<13>_86a77b66<4>h22i11k00m00<6>z00<3>s00
  cyclerange=0/255
  }



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From: Mark Christenson <mchris@hooked.net>
Subject: (fractint) "there he goes again..." Part II
Date: 06 Mar 1998 10:56:10 -0800

comment { 3/6/1998 Mark "Bud" Christenson

on 2/16 I wrote:
>It occurred to me that it might be fun (or maybe sadistic?) to
>add a couple of knobs to old (t)rusty gravijul.  The parameters
>aren't compatible, but the function triplets are the same and the
>params are paired with the fn()s.  Why three controls for amplitude 
>and only one for offset?  I dunno, call it a bias...  ;o) 
>
>I don't have any .pars yet, but I'm sure I will, probably too soon.

I took me a while to get my act together, but here's a version that 
should work (no, I haven't tried it yet).  Apologies to all put the 
imaginary component of p2 to good use, but something had to go. 
I let cold, hard science be the judge.  A survey of pars from the 
list (excluding my own) indicated the following uses:

both: 5
real: 4
imag: 2
linked: 1 [real(p2) = imag(p2)]

Therefore I kept only the real component of p2.  Just so you know
I was democratic about it.  The new knobs are imag(p2) and real(p3), 
with bailout as imag(p3).  p1 and real(p2) can be used as before.
Sorry the new controls are real-only, but the Fractint gods couldn't 
have foreseen our parametric avarice.


Hoping this is another winner,
Bud

}

gravijul-a' { ; generalized r^(-2) by Mark "Bud" Christenson 3/6/98
; defaults: p1 = (1,0) p2 = (0,0) p3 = (0,4)
  q4 = real(p2)
  q2 = p1
  q1 = imag(p2) ; new knob 1
  q3 = real(p3) ; new knob 2
  q5 = imag(p3) ; bailout
   z = pixel:

   v = fn1(z)
   w = q1*(v*v)
   z = q3*fn3(q2/fn2(w)) + q4
    |z| < q5
  }


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From: Mark Christenson <mchris@hooked.net>
Subject: (fractint) "there he goes again..." Part IIa
Date: 06 Mar 1998 11:27:53 -0800

comment { 3/6/1998 Mark "Bud" Christenson

*** this messages supersedes my last post ***

on 2/16 I wrote:
>It occurred to me that it might be fun (or maybe sadistic?) to
>add a couple of knobs to old (t)rusty gravijul.  The parameters
>aren't compatible, but the function triplets are the same and the
>params are paired with the fn()s.  Why three controls for amplitude 
>and only one for offset?  I dunno, call it a bias...  ;o) 
>
>I don't have any .pars yet, but I'm sure I will, probably too soon.

I took me a while to get my act together, but here's a version that 
should work (no, I haven't tried it yet).  Apologies to all put the 
imaginary component of p2 to good use, but something had to go. 
I let cold, hard science be the judge.  A survey of pars from the 
list (excluding my own) indicated the following uses:

both: 5
real: 4
imag: 2
linked: 1 [real(p2) = imag(p2)]

Therefore I kept only the real component of p2.  Just so you know
I was democratic about it.  The new knobs are imag(p2) and real(p3), 
with bailout as imag(p3).  p1 and real(p2) can be used as before.
Sorry the new controls are real-only, but the Fractint gods couldn't 
have foreseen our parametric avarice.


Hoping this is another winner,
Bud

P.S.: Oh heck, why limit ourselves?  Here's gj-a' (with a name change) 
and, for the ladies (you know who you are), another variant that favors p2; 
real(p1) and p2 can be used as before.

}

gravijul-a1 { ; generalized r^(-2) by Mark "Bud" Christenson 3/6/98
; defaults: p1 = (1,0) p2 = (0,0) p3 = (0,4)
  q4 = real(p2)
  q2 = p1
  q1 = imag(p2) ; new knob 1
  q3 = real(p3) ; new knob 2
  q5 = imag(p3) ; bailout
   z = pixel:

   v = fn1(z)
   w = q1*(v*v)
   z = q3*fn3(q2/fn2(w)) + q4
    |z| < q5
  }

gravijul-a2 { ; generalized r^(-2) by Mark "Bud" Christenson 3/6/98
; favors p2
; defaults: p1 = (1,0) p2 = (0,0) p3 = (0,4)
  q4 = p2
  q2 =real(p1)
  q1 = imag(p1) ; new knob 1
  q3 = real(p3) ; new knob 2
  q5 = imag(p3) ; bailout
   z = pixel:

   v = fn1(z)
   w = q1*(v*v)
   z = q3*fn3(q2/fn2(w)) + q4
    |z| < q5
  }



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From: Trevor Fast <TFAST@gregory1.com>
Subject: (fractint) sil&gold
Date: 06 Mar 1998 13:28:00 -0600


Could someone e-mail me a copy (as an attachment, please) of the sil&gold   
map to tfast@gregory1.com?  Will the gravijul par files be included in   
the monthly posting on Les StClair's fractal page?  

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From: Mark Christenson <mchris@hooked.net>
Subject: (fractint) gravijul-a1
Date: 06 Mar 1998 13:09:13 -0800

comment { 3/6/1998 Mark "Bud" Christenson

Okay, here's my first effort.

Also, note the revised defaults.

Bud

}

gja1-03a           { ; "Stargate", (c) Mark "Bud" Christenson 3/6/98
  reset=1930 type=formula formulafile=budz.frm formulaname=gravijul-a1
  function=sqr/atanh/atan passes=b
  center-mag=2.22045e-016/8.88178e-016/0.4841549
  params=1.2/0/0/0.93/0.966/2.2 float=y inside=111 outside=real
  decomp=256
  colors=200<30>z00<31>000<8>FFFHHHJJJLLLMMMOOO<17>sss<30>222000012<30>0kz\
  <30>022000211<30>zsX<31>000
  }

frm:gravijul-a1 { ; generalized r^(-2) by Mark "Bud" Christenson 3/6/98
; defaults: p1 = (1,0) p2 = (0,1) p3 = (1,4)
  q4 = real(p2)
  q2 = p1
  q1 = imag(p2) ; new knob 1
  q3 = real(p3) ; new knob 2
  q5 = imag(p3) ; bailout
   z = pixel:

   v = fn1(z)
   w = q1*(v*v)
   z = q3*fn3(q2/fn2(w)) + q4
    |z| < q5
  }


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From: Ray Montgomery <elmont@cdsnet.net>
Subject: (fractint) Out of my depth
Date: 06 Mar 1998 14:38:56 -0700

        The welcome message said, in part..."...but so are beginner's
questions, so don't be shy....."  etc.
        Joined the listserver about ten days ago and have been reading all
the messages that are being sent out. WOW!!! Am I over my head. But first....
So you know what, how, etc. - Am an old man, 77.  Got my first computer in
'83 - an Apple, of course.  Used primarily for word processing, some music
with MIDI and an elec keyboard, and playing games with my grandchildren
        About three years ago changed to IBM clone.  Rudimentary model.  Was
given, for birthday, I think, two books, "Wrinkles In Time" by George Smoot
and "Chaos" by James Gleick.  Both were extraordinary mind-blowers.  Because
of the piece in 'Chaos' about Benoit Mandelbrot I became fascinated by the
idea of fractals and spent about six monthes trying to track down a means to
do it or them.  (Incidentally, I am not only NOT a mathmetician nor involved
in science in any way, I am singularly poor in all things mathematical, I am
only an interested bystander, fascinated by the entire life and living
process but am singularly interested in art - shape, form, color - the whole
kit and kaboodle.
        I have now been generating fractals for about two years but only on
the most rudimentary and freshmanic level.  Not only do I know so little
about the process of fractal generating but also am STILL, AFTER ALL THESE
YEARS, a dunce with computers. So...."  Interruption. Have been called to
dinner by "..She who must be obeyed...."  Will be back with this, shortly.
                Sorry for the interruption, and thanks for your patience.
                                                Ray


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From: Nature102 <Nature102@aol.com>
Subject: Re: (fractint) Out of my depth
Date: 06 Mar 1998 17:27:08 EST

In a message dated 98-03-06 16:50:06 EST, elmont@cdsnet.net writes:

<< Joined the listserver about ten days ago and have been reading all
 the messages that are being sent out. WOW!!! Am I over my head. >>

  Trust me, you're not the only one. :-P

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From: HWeber8606 <HWeber8606@aol.com>
Subject: Re: (fractint) February's pars
Date: 06 Mar 1998 17:33:06 EST

Hi Les,

I have the same problem as Bob. My AOL-browser refuse to d/l your 02.98 par-
collection and your frm-file. What have you done in an other way than
before?Please post it to my compuserve adress. Thanks.
Cheers --Jo--

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From: NOEL_GIFFIN <noel@triumf.ca>
Subject: Re: (fractint) February's pars
Date: 06 Mar 1998 14:54:48 PST


HWeber8606 <HWeber8606@aol.com> wrote:

> Hi Les,
>
> I have the same problem as Bob. My AOL-browser refuse to d/l your 02.98 
> par-
> collection and your frm-file. What have you done in an other way than
> before?Please post it to my compuserve adress. Thanks.

	I've loaded the available parameter collections from Les's webpage
onto the Spanky database. You may (or may not) find that you can
download from there if you have problems with Les's site. I think
Les's webpage should be everyones first choice for downloading these
formulae. He is after all, the one doing all the work, and his site
will always be more up-to-date.

	I will keep them there if this is alright with Les and as
long as everyone acknowledges him as the person who has done the 
great job compiling them. 

	You can find them for now at:

	http://spanky.triumf.ca/pub/fractals/params/ 
and put the formula file in
	
	http://spanky.triumf.ca/pub/fractals/formulas/FML_FRM.ZIP


	Cheers,
	Noel Giffin

	P.S. 

	Let me know if this is okay with you Les. 

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From: Ray Montgomery <elmont@cdsnet.net>
Subject: (fractint) Continuation
Date: 06 Mar 1998 16:23:30 -0700

        But not long, I promise.  (I feel that I almost know most of you who
are posting because I downloaded so many of the 'Gallery'-combi-bios-&-images.)
        The final 'gist' of my posting is, - it takes a special type of
person who can put up with teaching a 'kindergartner' of 'first-grader' -
"Shoe?"  "Yes, you're right, shoe!"  But if anybody out there has the
patience to put up with it, I'd like to start asking some very basic and
fundamental questions.  I promise they will be spaced appropriately far
apart.  But, I would beg anyone who would be willing to answer to phrase the
answer so that an 'Old-man' kindergartner' would be able to understand.
        There!  I've done it.  Dared to step into the room with the big-boys!
Mercy!  Mercy!!  Mercy!!!  Bob Carr has been gracious enough to reply
already and I am already so grateful.
                                Thanks
                                        Ray Montgomery


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From: "Peter Gavin" <pgavin@mindspring.com>
Subject: Re: (fractint) Fractais in Brazil
Date: 06 Mar 1998 19:54:44 -0500

What about English to English?  :)


[snip]
>Now if they just had C++ to English,  Advanced Math to English, or even
>better:
>English to Fractint frm, English to Fractint par, English to Fractint map


Pete


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From: "Peter Gavin" <pgavin@mindspring.com>
Subject: Re: (fractint) Fractais in ????
Date: 06 Mar 1998 19:56:39 -0500

Sounds like something from Star Wars....  hmmm...  :)

-----Original Message-----


>Gedeon asks:
>>Kivancsi vagyok, hogy vannak e magyarok?
>
>Hmmm... from somewhere on the greater Asian continent?  This is definitely
>tougher than Spanish to guess at!
>Jason
>
>
>-
>------------------------------------------------------------
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From: "Peter Gavin" <pgavin@mindspring.com>
Subject: Re: (fractint) Fractint as prototype society
Date: 06 Mar 1998 20:09:34 -0500

><< - what's happening to Fractint now?  Has it reached perfection?  :) >>
>
>  Nope. Not until it can calculate images at zoom levels of 10^(10^12) in
five
>seconds and generate realtime 3-D walkthroughs of fractal worlds. :-P
>


On an 8086 with only 1K of Ram and no HD, one 5.25" floppy drive, and a
monochrome monitor.
Oh, yeah, in 32-bit True color.

Pete


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From: pjcarlsn@ix.netcom.com (Paul and/or Joyce Carlson)
Subject: (fractint) Texture and Inflation Formula
Date: 06 Mar 1998 19:15:50 -0600 (CST)

This formula and pars explore four areas of the classic
Mandelbrot set using a rendering method that creates, in
pars mndatm01, 03 and 04, images with a nice "texture"
that almost make you want to run your fingers over them.
Par mndatm02 creates an image that looks inflated (makes
you want to stick a pin in it).

Paul Carlson

frm:Mand_Atan_Mset {; Copyright (c) Paul W. Carlson, 1998
    w = z = iter = range_num = bailout = 0
    c = pixel
    num_ranges = real(p2)
    colors_in_range = imag(p2)
    :
    prev_w = w
    w = w * w + c
    IF (abs(real(w)) > p1)
	bailout = 1
	angle = abs(atan((imag(w)-imag(prev_w))/(real(w)-real(prev_w))))
	index = 2 * colors_in_range * angle / pi
	z = index + range_num * colors_in_range + 1
    ENDIF
    range_num = range_num + 1
    IF (range_num == num_ranges)
	range_num = 0
    ENDIF
    iter = iter + 1
    z = z - iter
    bailout == 0
}

mndatm01	{; Copyright (c) Paul W. Carlson, 1998
		 ; Nice texture.
  reset=1960 type=formula formulafile=mndatan.frm
  formulaname=Mand_Atan_Mset passes=t
  center-mag=-0.81638668446488240/+0.19987647824278850/306\
  89.28/1/-170 params=1.5/0/2/125
  float=y maxiter=2000 inside=253 outside=summ
  colors=000zqa<123>WRFz88<123>O00000<3>000
  }

mndatm02	{; Copyright (c) Paul W. Carlson, 1998
		 ; The "inflated" look.
  reset=1960 type=formula formulafile=mndatan.frm
  formulaname=Mand_Atan_Mset passes=t
  center-mag=+0.30078202224390480/+0.02039060482684493/2638\
  81.6/1/3.199 params=0.8/0/2/125
  float=y maxiter=2000 inside=253 outside=summ
  colors=000zqa<123>WRFz88<123>O00000<3>000
  }

mndatm03           { ; Copyright (c) Paul W. Carlson, 1998
		     ; Another nice texture.
  reset=1960 type=formula formulafile=mndatan.frm
  formulaname=Mand_Atan_Mset passes=t
  center-mag=-1.27902461721017400/+0.07031146780659604/2318\
  6.32/1/156.5 params=1.5/0/2/125
  float=y maxiter=2000 inside=253 outside=summ
  colors=000zqa<123>WRFz88<123>O00000<3>000
  }

mndatm04           { ; Copyright (c) Paul W. Carlson, 1998
		     ; Still another nice texture.
  reset=1960 type=formula formulafile=mndatan.frm
  formulaname=Mand_Atan_Mset passes=t
  corners=-1.429323736733/-1.4293206462961/0.001621210035598\
  3/0.001622949268712/-1.4293234590076/0.0016208397351079
  params=2/0/2/125 float=y maxiter=2000 inside=253 outside=summ
  colors=000zqa<123>WRFz88<123>O00000<3>000
  }


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From: Nature102 <Nature102@aol.com>
Subject: Re: (fractint) Fractint as prototype society
Date: 06 Mar 1998 20:17:00 EST

In a message dated 98-03-06 20:11:43 EST, pgavin@mindspring.com writes:

<< ><< - what's happening to Fractint now?  Has it reached perfection?  :) >>
 >
 >  Nope. Not until it can calculate images at zoom levels of 10^(10^12) in
 five
 >seconds and generate realtime 3-D walkthroughs of fractal worlds. :-P
 >
 
 
 On an 8086 with only 1K of Ram and no HD, one 5.25" floppy drive, and a
 monochrome monitor.
 Oh, yeah, in 32-bit True color. >>

  And it has to be able to do it in a Win95/NT DOS box! :-P ::Looks at the
Stone Soup Group:: Well, guys, get on it! :-P

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From: Andrew Plukss <A.Plukss@bom.gov.au>
Subject: Re: (fractint) Fractais in ????
Date: 07 Mar 1998 12:53:33 +1100

Peter Gavin wrote:
> 
> Sounds like something from Star Wars....  hmmm...  :)
> 
> -----Original Message-----
> From: Jason Hine <tumnus@together.net>
> To: fractint@lists.xmission.com <fractint@lists.xmission.com>
> Date: Thursday, March 05, 1998 6:56 AM
The fractint newgroup generates a lot of mail and threads such this, in
my opinion, are just unnecessary clutter.  Please have consideration for
those with limited email access.

Andrew Plukss

  
> Subject: Re: (fractint) Fractais in ????
> 
> >Gedeon asks:
> >>Kivancsi vagyok, hogy vannak e magyarok?
> >
> >Hmmm... from somewhere on the greater Asian continent?  This is definitely
> >tougher than Spanish to guess at!
> >Jason
> >
> >
> >-
>

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From: Carolyn <car34slmo@worldnet.att.net>
Subject: (fractint) Out of my depth
Date: 06 Mar 1998 20:10:55 -0600

 These two messages have been such an encouragement to me. I thought I
was out here all alone just reading and never understanding but enjoying
the results of other's work.


Nature102 wrote:

> In a message dated 98-03-06 16:50:06 EST, elmont@cdsnet.net writes:
>
> << Joined the listserver about ten days ago and have been reading all
>  the messages that are being sent out. WOW!!! Am I over my head. >>
>
>   Trust me, you're not the only one. :-P
>

--
Carolyn
car34slmo@worldnet.att.net
Jesus is the Light of the world, the Bread of life and the Salvation of
your soul.



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From: Wizzle <wizzle@cci-internet.com>
Subject: Re: (fractint) Out of my depth
Date: 06 Mar 1998 18:42:57 -0800

Carolyn...

Welcome!!!  Many of the things posted to the list I don't have a clue about
either.  I'm part of the "pretty picture" contingent.  But I do have a web
page with lots of VERY basic information.  The info that got me going was
Linda Allison's lessons....you will find the link at

http://wizzle.simplenet.com/fractals/fractalintro.htm

I'm going to re-organize my hints and lessons, including a section for the
q&a postings from this list, this week end (she says...sure!!!  maybe). I
think Fractint is wonderfully documented, but examples helped me at first
soooooo much.....and that is where a web page can fill a gap.  Besides, we
all learn in different ways. 

Anyone else with lessons type pages posted...please email me the url 

wizzle@cci-internet.com

ciao

Angela aka wizzle


At 08:10 PM 3/6/98 -0600, you wrote:
> These two messages have been such an encouragement to me. I thought I
>was out here all alone just reading and never understanding but enjoying
>the results of other's work.
>
>
>Nature102 wrote:
>
>> In a message dated 98-03-06 16:50:06 EST, elmont@cdsnet.net writes:
>>
>> << Joined the listserver about ten days ago and have been reading all
>>  the messages that are being sent out. WOW!!! Am I over my head. >>
>>
>>   Trust me, you're not the only one. :-P
>>
>
>--
>Carolyn


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From: Wizzle <wizzle@cci-internet.com>
Subject: Re: (fractint) gravijul-a1
Date: 06 Mar 1998 19:40:11 -0800

>comment { 3/6/1998 Mark "Bud" Christenson
>
>Okay, here's my first effort.
>

Yup yup...works great!!!  Another gravijul winner. In thanks, I've modified
your sil&gld map in the second par by replacing the red with teal.....

wizgravi1          { ; wizzle from a Bud Christensen formula 3/6/98
  reset=1960 type=formula formulafile=*.frm
  formulaname=gravijul-a1 function=asin/atanh/atan
  center-mag=0.0103628/0.0154305/0.2575853/1/-19.999
  params=1.1/0/0/0.93/0.966/2.2 float=y inside=111 outside=real
  decomp=256
  colors=000000000<5>D67F79H8AKACLBD<32>xxkzzmyyl<25>KC2IA0G90<5>000<5>336\
  000437<21>JGTKHUKHT<8>ECKDBICAHBAGB9FA8E<12>111000000000<3>000<2>A05D06F\
  27<5>REITGKVILWJM<12>tggviixkkzmmyllwjj<22>I2AG08C06<2>000<2>000000123<1\
  8>SpwUszTqw<16>234000000<2>000 cyclerange=0/255
  }

wizgravi2          { ; wizzle 3/6/98 from Bud's new formula
                     ; and a gift of teal for bud's fav map too!! budteal.map
  reset=1960 type=formula formulafile=*.frm
  formulaname=gravijul-a1 function=sqr/atanh/asinh
  center-mag=0.0103628/0.0154305/0.5488324/1.3333/-19.999
  params=1.1/0/0/0.93/0.966/2.2 float=y inside=111 outside=real
  decomp=256 viewwindows=1/1/yes/0/0
  colors=MJB<20>zsX<31>000<3>800<2>2770AA0CC<5>0PP0RR0SS<14>0rr<13>0``0__0\
  YY0WW<10>0CC0AA077044000<8>FFFHHHJJJLLLMMMOOO<17>sss<30>222000012<30>0kz\
  <30>022000221<8>KIA cyclerange=0/255
  }

Hint for anyone else....bud's map will look great with endless variations
if you leave the silver and gold as is and fiddle with the other two
colors....try purple and green....magenta....oooooooorange......browns...go
for it!!!  Just remember to find the darkest versions of the other colors
and replace them....then find the lightest versions and replace
them.......use the old = and voila!!! new map.  Bud's map has black (r0,
g0, b0) in strategic places.....don't cross those boundaries. 

Have fun!!


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From: Ray Montgomery <elmont@cdsnet.net>
Subject: (fractint) .par & .frm files
Date: 06 Mar 1998 22:35:54 -0700

        Hi Linda
        
        Just left your Gumbycat page and down-loaded the .par and .frm
instructions.  Had to.  Otherwise too much for old brain to remember.  It
was an enormous help, but brought two questions to mind.  (Far more than
two, but two is all that I can handle right now.)  In order to save the two
files, do I have to type them all into a directory - or is there a way to
use the existing typed paragraphs?  Second question;  can I down-load the
color-map instructions - and if so will the B.G. black come out all black,
or will there be some kind of transformation that I know naught of?
        Enormous help, in that all of a sudden I realize just what the two
phrases refer to, and ALMOST how to use them.
        Thanks a lot.  A whole bunch of fractals worth.
                                        Ray Montgomery


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From: "Philip DiGiorgi" <phild@iinc.com>
Subject: (fractint) Gravijul Mania
Date: 07 Mar 1998 01:25:28 -0500

My first post to the list, and I've really been enjoying all the great
images you folks are posting.

And here's just what everyone needs...,  yet another variation of the
Gravijul formula.   Will post some more pars in another message.


  --Phil D.



grav2u01          { ;   t=  0:01:38.16   (c)  P. DiGiorgi - Mar '98
                     ; Generated on a K6-266 at 1600x1200
  reset=1960 type=formula formulafile=grav.frm formulaname=gravijul_2u
  function=cabs/acosh/abs/log passes=1
  center-mag=0/4.44089e-016/0.3854591/1/180 params=0.6/0.9/1/0/0.15/1
  float=y maxiter=300 inside=0 decomp=256 periodicity=0
  colors=B36<10>UAHWBIYDK<24>zzz<21>000801<22>801801A44<12>Umc<5>zzz<6>Yof\
  UmcSi`<10>A55812812<9>634634533<14>00000S<21>77u<7>zzz<15>55f<12>22L11K1\
  1I00G00G10G000<8>000000100201<2>412513513513<13>513613824A25
  cyclerange=0/255
  }

grav2u02          { ;   t=  0:03:10.04   (c)  P. DiGiorgi - Mar '98
                     ; Generated on a K6-266 at 1600x1200
  reset=1960 type=formula formulafile=grav.frm formulaname=gravijul_2u
  function=cabs/acosh/abs/log passes=1
  center-mag=0/4.44089e-016/0.3854591/1/180 params=0.5/0.8/1/0/0.15/1
  float=y maxiter=300 inside=0 decomp=256 periodicity=0
  colors=OOO<5>000<29>000<3>C0GG0LI0P<6>e2rh2vi8r<5>nfV<3>000<21>g8D<6>zVF\
  <7>jBEg8De8D<3>V69S59R59Q59P58<8>000754000EB8<6>zpa<7>A66000<5>000000200\
  <20>hCEkDFmGF<4>zVF<5>kDEhAEd9D<10>000<2>000000202<20>j2y<18>000<7>zzzzz\
  zzzz<8>SSS cyclerange=0/255
  }

grav2u03          { ;   t=  0:05:05.23   (c)  P. DiGiorgi - Mar '98
                     ; Generated on a K6-266 at 1600x1200
  reset=1960 type=formula formulafile=grav.frm formulaname=gravijul_2u
  function=cabs/atanh/tan/atanh passes=1
  center-mag=0.345663/0.886304/2.898551/1/-90
  params=0.95/0/0.03/0/0.03/2.5 float=y maxiter=300 inside=0
  decomp=256 periodicity=0
  colors=000823412000<2>000000202<20>j2y<18>000<7>zzzzzzzzz<15>000<29>000<\
  19>zpa<4>000<21>g8D<6>zVF<7>jBEg8De8D<3>V69S59R59Q59P58<8>000<8>zpa<7>A6\

  6000<5>000000200<20>hCEkDFmGF<4>zVF<5>kDEhAEd9D<7>C34
  }

grav2u04          { ;   t=  0:02:14.57   (c)  P. DiGiorgi - Mar '98
                     ; Generated on a K6-266 at 1600x1200
  reset=1960 type=formula formulafile=grav.frm formulaname=gravijul_2u
  function=exp/recip/abs/acosh passes=1 center-mag=0/0/0.6945411
  params=0/1.5/-2.8/0.05/-0.077/1.9 float=y maxiter=300 inside=0
  decomp=256
  colors=B36CCi99g55f<10>22O22N22L11K11I00G00G10G000<8>000000100201<2>4125\
  13513513<13>513613824A25D47<9>UAHWBIYDK<24>zzz<21>000801<22>801801A44<12\
  >Umc<5>zzz<6>YofUmcSi`<10>A55812812<9>634634533<14>00000S<21>77u<7>zzz<6\
  >bbqZZpVVoRRnNNmKKkGGj
  }

grav2u05           { ;    t=  0:02:13.41   (c)  P. DiGiorgi - Mar '98
                     ; Generated on a K6-266 at 1600x1200
  reset=1960 type=formula formulafile=grav.frm
  formulaname=gravijul_2u function=cabs/atanh/atanh/atanh passes=1
  center-mag=-9.99201e-016/-8.88178e-016/1.397102/1/-90
  params=0.91/0/0.05/0/0.03/2.5 float=y maxiter=300 inside=0
  decomp=256 periodicity=0
  colors=000B60740310001<3>00P00V00Z11c11h<3>11v12w12y<2>12y12x11v<2>11m11\
  i11d00_00W<2>00E00700200B<2>I8COBCUDCZFDcIDhKDmLEpNEsOEvQExQFyRFzRFzRFyR\
  FxQFvQE<2>mMEiKDdID<3>J9CD6B63B11B332<3>PHKVLPZOScSWgW_k_bobeqfgtjivmkwq\
  lwtlxtlwqlvmktjirfhobel_c<2>_OTWLQQHL<3>432<31>000<15>zWF<15>000<12>`Fw<\
  6>D5L000<3>000300<11>M03O04R15U16<2>Z18_18`19a1Aa1A`19`18<3>U16S15P04<2>\
  F03C02801401100310<5>QG1TI1YL2<6>wa3wa3tZ3pX3lV3hS2dP2`N2YL2TI1<3>E90
  }

frm:gravijul_2u { ; Variation of gravijul formula - PD 3/98
     ; Original formula by Mark Christenson
  bailout = imag(p3), k = real(p3)
  z = abs(pixel):
  x = real(z), y = imag(z)
  w = fn1(x) + k*y, v = fn1(y) + k*x
  u = fn2(w + flip(v))
  z = fn4(p1/fn3(u*u)) + p2
  |z| < bailout
}




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-------------------------------------------------------------------------------

From: "Philip DiGiorgi" <phild@iinc.com>
Subject: (fractint) More Gravjul Mania
Date: 07 Mar 1998 01:43:30 -0500

Here are some more pars.   Many of these use an interesting striped map I've
been fooling around with.

Have fun!


  --Phil



grav2u06          { ;   t=  0:00:28.72   (c)  P. DiGiorgi - Mar '98
                     ; Generated on a K6-266 at 1600x1200
  reset=1960 type=formula formulafile=grav.frm formulaname=gravijul_2u
  function=tan/recip/sqr/acosh passes=1
  center-mag=3.10862e-015/-8.88178e-016/0.2121325
  params=-1.5/0.5/-2.1/0.02/-0.2/2 float=y maxiter=300 inside=0
  logmode=fly decomp=256
  colors=000vWEvXFwYG<14>xjdykfykgylh<12>ytwzuyzuy<2>zuyzuxztv<25>wYGvXEvW\
  DuVBuUA<4>uS3uR1uQ1<5>sN0sM0rL0rK0qJ0<3>pH0pG0pF0pE0oE0<3>mB0mA0m90m90k9\
  0<20>310000000<71>000000200<7>L40O50P50<13>lA0nB0nB0<13>rM0sN0sN1sO2<10>\
  vVD
  }

grav2u07          { ;   t=  0:45:49.16   (c)  P. DiGiorgi - Mar '98
                     ; Generated on a K6-266 at 1600x1200
  reset=1960 type=formula formulafile=grav.frm formulaname=gravijul_2u
  function=ident/atanh/atanh/atanh passes=1
  center-mag=0/0/0.5534543/1/-90 params=1/0/0.1/0/0/5 float=y
  maxiter=255 inside=0 outside=summ logmode=fly periodicity=0
  colors=610Z70<4>nB0<13>uVEvWFwYHwZJ<14>zuy<14>x_KwYHwXG<13>oD2nB0kB0<14>\
  000<159>000300920<6>V60
  }

grav2u08          { ;   t=  0:00:06.48   (c)  P. DiGiorgi - Mar '98
                     ; Generated on a K6-266 at 1600x1200
  reset=1960 type=formula formulafile=grav.frm formulaname=gravijul_2u
  function=cabs/atanh/ident/atanh passes=1
  center-mag=0.0103448/0.0199618/0.4435881/1/-90
  params=0.9399999999999999/0/0.13/0.025/-0.003/3.75 float=y
  maxiter=300 inside=0 outside=summ logmode=fly periodicity=0
  colors=A04000JArzVFJApkJCJ6beFAJ4XaBAJ3TY89J2QV68J1MR38S48J1K522XQJ633bV\
  N733h_Q744lcT844pgW855tkY955xn_955zpaA66301<19>`5Ba5Cc5Ce6Dg8DiAD<10>zVF\
  <10>hAEg8Dd8C<10>000<16>_2a<3>N8mJApI9kG7e<16>000<4>bbbjjjssswwwzzzuyzmw\
  z<2>lvykuyktyjsyirx<2>fnwdlwckvaiv`gu<5>QUrORqLOp<2>EGnCDmA9mAAmAAmAAm99\
  l99k99i88f88d<2>66U55Q44L<3>000000fzzeyydxwbvu<2>WojTlfQiaMeWIaR<3>0J00K\
  0<4>0H00G00E0<2>1A0190270250230321321zzmyylxwkwuivrgtoerlb<2>kZShUOeOK<2\
  >V66W66<3>S55Q55P44N44K33<6>000
  }

grav2u09           { ;   t=  0:05:31.64   (c) P. DiGiorgi - Mar '98
                     ; Generated on a K6-266 at 1600x1200
  reset=1960 type=formula formulafile=grav.frm formulaname=gravijul_2u
  function=cabs/ident/log/log center-mag=0/1.77636e-015/0.4656563
  params=0.5/1/1.5/0/0.155/4.2 float=y maxiter=300 fillcolor=0
  logmode=fly decomp=256 periodicity=0
  colors=R38J4TXQJJ3RbVNJ3Ph_QJ2NlcTJ1KpgW855<7>855955B55<19>e7Cg8DhAE<10>\
  zVF<10>hAEg8Dd8C<10>000<16>_2a<3>N8mJApI9kG7e<16>000<2>NNNA04VVV<2>sssww\
  wzzz<2>zzzqqq<2>iiigggfff<2>aaa```___ZZZZZZQQQNMMKKJIHH<2>DCBBAAA98887<6\
  >h2rwqUd2ltnT_2fpjSV2`lgQQ1VhcPL1Pe`OG1JaXMB0DYULF0IUQJJ0NQNIN0SNJHS1YJG\
  FW1bFCE_1gB9Cc1l75Bh2r319321<14>321E54J65<2>T87W98YA9<6>jDClEDlED<4>zVF<\
  3>rLFJApnGEJAnlFEJ9ljEDJ9jgDCJ8heCCJ8ebBBJ7c`AAJ6aY89J6_V68J5YR38J5V
  cyclerange=0/255
  }

frm:gravijul_2u {; Variation of gravijul formula - PD 3/98
     ; Original formula by Mark Christenson
  bailout = imag(p3), k = real(p3)
  z = abs(pixel):
  x = real(z), y = imag(z)
  w = fn1(x) + k*y, v = fn1(y) + k*x
  u = fn2(w + flip(v))
  z = fn4(p1/fn3(u*u)) + p2
  |z| < bailout
}




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-------------------------------------------------------------------------------

From: "D&J Pitman" <djpitman@vicnet.net.au>
Subject: (fractint) another out -of -depth-er
Date: 07 Mar 1998 19:33:19 +1000

I was so glad to read that I am not the only "Granny" on
this list. Since I saw my first fractal I have been fascinated 
by the amalgamation of science and art that they represent,
the ideas of visible mathematics and colour, and that first viewing
 was a long time ago. My study of maths was limited altho' science
interests me greatly so I have been very grateful to the many listers
 who explain the various concepts, altho' I don't C  but QB.
Thanks  to you others who got me out of lurkdom
Cheers ,Pat.

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-------------------------------------------------------------------------------

From: Les St Clair <Les_StClair@compuserve.com>
Subject: Re: (fractint) February's pars
Date: 07 Mar 1998 07:59:18 -0500

Hi Noel,

>>I've loaded the available parameter collections from Les's webpage
onto the Spanky database.<<

>> P.S. Let me know if this is okay with you Les. <<

That's fine by me, placing them on Spanky is an excellent idea. The reaso=
n
for doing the compilations is just to keep these fine postings for
posterity (of course, if I get new visitors to my fractal pages that's go=
od
too!  :)

- Les




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From: Bill at NY <BillatNY@aol.com>
Subject: (fractint) Fractint Tutorial
Date: 07 Mar 1998 08:45:06 EST

There seems to be a surprising number of people who subcribe to this
newsletter who are very new to fractals and Fractint.  At my website's Links
page, I have a step-by-step tutorial that can be downloaded that can help get
any beginner started with Fractint.  Please stop by and check it out.  No Math
Required!

http://members.aol.com/billatny/links.htm

Bill

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-------------------------------------------------------------------------------

From: Bob Margolis <rttyman@wwa.com>
Subject: (fractint) Fractal Formulas
Date: 07 Mar 1998 13:02:16 -0600

Hi Team Fractals:

Recently I downloaded an important fractal technical/reference paper
from the Internet that was chock full of formulas and other reference
material. I've excised all but the formulas that one can use in Fractint
(and other fractal programs) formula writing. If you're interested in
downloading the entire paper--it's 23 pages of 8.5 x 11-inch paper--surf
over to http://www.lifesmith.com/technical.html#anchor254229 .

Happy formula writing!

Bob Margolis

============================================================



                   Important Formulae for Complex Numbers

1) z = x + iy where x = Real part of z and y = Imaginary part of z

2) c = a + ib where a = Real part of c and b = Imaginary part of c

3) z = re^iq = (sqrt(x^2 + y^2)) (cos q + i sin q)
where q = arctan (y / x), r = sqrt(x^2 + y^2) and "sqrt" means square
root

4) z^n = r^n*e^inq = (sqrt(x^2 + y^2))^n (cos nq + i sin nq) ; r and q
as
above

5) sqrt(z) = (sqrt(r)sqrt(e^iq)) = (sqrt(sqrt(x^2 + y^2))) [cos (.5
arctan
(y / x))
+ i sin (arctan (y / x))]

6) ln z = ln[sqrt(x^2 + y^2)] + i arctan (y / x)

7) e^z = e^x(cos y + i sin y)

8) sin z = sin x cosh y + i cos x sinh y = -i sinh iz = (e^iz - e^-iz) /
2i

9) cos z = cos x cosh y - i sin x sinh y = cosh iz = (e^iz + e^-iz) / 2

10) sinh z = - i sinh iz = (e^z - e^-z) / 2

11) cosh z = cos iz = (e^z + e^-z) / 2

12) sin^2(z) + cos^2(z) = 1

13) cosh^2(z) - sinh^2(z) = 1

14) tan z = (sin 2x + i sinh 2y) / (cos 2x + cosh 2y)

15) cot z = (sin 2x - i sinh 2y) / (cosh 2y - cos 2x)

16) nth root of z = [nth root of (x^2 + y^2)](cos (q / n) + i sin (q /
n))

17) Newton's Method z(n+1) = z(n) - [f(z(n)) / f '(z(n))]

18) Henon Attractor: (for z(n) = x(n) + iy(n)) , x(n+1) = ax(n) + y(n)
and
y(n+1)= bx(n)

19) Halley Map: z(n+1) = z(n) - L[(2f(z(n))f '(z(n))) / (2(f '(z(n)))^2
-
f' '(z(n))f(z(n)))]

20) Lorenz Attractor: dx / dt = a(y - x) dy / dt = x(r - z) - y dz / dt
=
xy - bz


                        Complex Equations Researched

Here are the equations that we have used during the past nine years to
generate well over 300,000 Mandelbrot and Julia sets. We have over 3
terabytes of fractal data! Feel free to continue to delve into them
using
whatever software (your own or canned) you have available. Because I
wrote
my own code in C language and a complex math library was not available,
I
had to resolve each of these equations into real, f(x), and imaginary,
f(y), parts. Many, many long (but fun) hours doing just the basic
algebra
were spent in order to bring you the majestic beauty of these incredible
forms.

1--F(Z) = Z^2 + C

2--F(Z) = Z^3 + C

3--F(Z) = (Z^2 + C) / (Z - C)

4--F(Z) = Z^2 - Z + C

5--F(Z) = Z^3 - Z^2 + Z + C

6--F(Z) = (1 + C)Z - CZ^2

7--F(Z) = Z^3 / (1 + CZ^2)

8--F(Z) = (Z - 1)(Z + .5)(Z^2 - 1) + C

9--F(Z) = (Z^2 + 1 + C) / (Z^2 - 1 - C)

10--F(Z) = Z^1.5 + C

11--F(Z) = exp(Z)-C

12--F(Z) = Z - 1 + Cexp(-Z)

13--F(Z) = CZ - 1 + Cexp(-Z)

14--F(Z) = (4Z^5 + C)/5Z^4

15--F(Z) = (6Z^7 + C)/7Z^6

16--F(Z) = Z^2 * exp(-Z) + C

17--F(Z) = Z^2 * Z^(-2) + C

18--F(Z) = Z * exp(-Z) + C

19--F(Z) = C * exp(-Z) + Z^2

20--F(Z) = Z^3 + Z + C

21--F(Z) = Z^4 + Z + C

22--F(Z) = Z^4 + CZ^2 + C

23--F(Z) = Z^2sin(Re Z) + CZcos(Im Z) + C

24--F(Z) = 2^Z * CZ^2

25--F(Z) = Z^5 - Z^3 + Z + C

26--F(Z) = (Z^2 + C)^2 + Z + C

27--F(Z) = (Z + sin(Z))^2 + C

28--F(Z) = Cexp(Z)

29--F(Z) = Z^2 + C^3

30--F(Z) = Cexp(CZ)

31--F(Z) = Z^2cos(ReZ)+CZsin(ImZ)+C

32--F(Z) = CZ^2 + ZC^2

33--F(Z) = exp(cos(CZ))

34--F(Z) =(1 + Jo(Re Z))^2 + (Jo(Im Z) + C)^2 (Here Jo represents the
Bessel function)

35--F(Z) = C(sin Z + cos Z)

36--F(Z) = Z^(-.5) + C

37--F(Z) = CZ(1 - Z)

38--F(Z) = C^2Z(1 - Z)

39--F(Z) = ((Z^2+C)^2)/(Z-C)

40--F(Z) = (Z + sin Z)^2 + Z^-.5 + C

41--F(Z) = C*(sin Z + cos Z)*(Z^3+Z+C)

42--F(Z) = Cexp(Z) * exp(cosCZ)

43--F(Z) = (Z^3+Z+C)*C*(sinZ + cosZ)

44--F(Z) = ((1+C)Z-CZ^2)*((Z+sinZ)^2+C)

45--F(Z) = Z^2 + Z^1.5 + C

46--F(Z) = Z^2 + ZexpZ + C

47--F(Z) = (Z+sinZ)^2+Cexp(-Z)+Z^2+C

48--F(Z) = ((Z^3)/(1+CZ^2))+expZ-C

49--F(Z) = (Z^2*sin(ReZ) + CZ(ImZ) + (Z^2*cos(ReZ)+CZsin(ImZ)+C

50--F(Z) = (Z+sinZ)^2+Cexp(Z)+C

51-- F(Z) = Z^2 + 1/Z + C

52-- F(Z) = (Z^3 + C) / Z

53-- F(Z) = (Z^3 + C) / Z^2

54-- F(Z) = ((Z+1)^2 + C) / Z

55-- F(Z) = (Z + C)^2 + (Z + C)*

56-- F(Z) = (Z + C)^3 - (Z + C)^2

57-- F(Z) = (Z^3 - Z^2)^2 + C

58-- F(Z) = (Z^2 - Z)^2 + C

59-- F(Z) = (Z + ln Z)^2 + C

60-- F(Z) = (Z - sqrt(Z))^2 + C

61-- F(Z) = (Z + sqrt(Z))^2 + C

62-- F(Z) = Z^2exp(Z) - Zexp(Z) + C

63-- F(Z) = (exp(CZ) + C)^2

64-- F(Z) = Z * exp(Re Z/Im Z) + C

65-- F(Z) = exp(X^2*Y^2) + Im Z + C

66-- F(Z) = exp(Re Z)*(X-a) + exp(Im Z)*(Y-b)i

67-- F(Z) = X^2*exp(Y+b) + iaexp(Y+b)

68-- F(Z) = (a-X^2+Y^2)exp(b+X^2-Y^2) + i(b+X^2-Y^2)exp(a-X^2+Y^2)

69-- F(Z) = [(2X-Y^2+a)/(2X^2+Y-b)] + i[(2X^2+Y-a)/(2X-Y^2+b)]

70-- F(Z) = [(X^2+Y^2+a)/cos(X^2+Y^2)] + i[(X^2+Y^2+b)/sin(X^2+Y^2)]

71-- F(Z) = Z^5 + C

72-- F(Z) = Z^6 + C

73-- F(Z) = Z^7 + C

74-- F(Z) = (3Z^4 + C) / 4Z^3

75-- F(Z) = (2Z^3 + C) / 3Z^2

76-- F(Z) = Z^5 + CZ^3 + C

77-- F(Z) = Z^6 + CZ^4 + CZ^2 + C

78-- F(Z) = Z^8 + C

79-- F(Z) = Z^9 + C

80-- F(Z) = Z^8 + CZ^4 + CZ^2 + C

81-- F(Z) = Z^9 - CZ^6 + CZ^3 + C

82-- F(Z) = (Z^4 + C) / (Z - C)

83-- F(Z) = (Z^3 + Z + C) / (Z^2 - Z - C)

84-- F(Z) = (Z^3 + Z + C) / (Z - C)

85-- F(Z) = (Z^3 + Z + C) / Z

86-- X = X^2+XY+A ; Y = Y^2-XY+B

87-- X = X^3-(X^2)Y+XY^2-XY+A; Y = Y^3-XY^2+(X^2)Y+XY+B

88-- X = (X^2)sin Y + A ; Y = (Y^2)cos X + B

89-- X = X^4-3X^3+3X^2(Y^2)+A ; Y = Y^4+3XY^3-3X^2(Y^2)

90-- X = X^2(1+exp(-Y))+A ; Y = Y^2(1+exp(-X)+B

91-- F(Z) = C(Z^2 + 1)^2 / Z(Z^2 -1)

92-- F(Z) = CZ^2

93-- F(Z) = CZ^3

94-- F(Z) = CZ^4

95-- F(Z) = C*cos Z

96-- F(Z) = C*sin Z

97-- F(Z) = CZ*ln Z

98-- F(Z) = C*tan Z

99-- F(Z) = C*exp(CZ) / (exp(C) - 1)

100-- F(Z) = C*exp(Z)*sqrt(Z) /n

101 -- F(Z) = (Z^2(1+Z^2))/(Z+C)

102 -- F(Z) = Z(1+Z^2)/(Z+C)

103 -- F(Z) = (Z^5+C)/(Z^3+Z^2+Z+1)

104 -- F(Z) = (Z^3+C)/3Z^2

105 -- F(Z) = (Z^3+Z^2+Z+C)/(Z-C)

106 -- F(Z) = exp(Z^2+C)

107 -- F(Z) = Z^2*exp(Z^2)+C

108 -- F(Z) = exp(Z^2)/(Z+C)

109 -- F(Z) = (Z+exp(Z))^2+C

110 -- F(Z) = (Z^2+C)^2-exp(Z)+C

111 -- F(Z) = (1+iC)sin(Z)

112 -- F(Z) = (1+iC)cos(Z)

113 -- F(Z) = Z*tan(ln Z)+C

114 -- F(Z) = sqrt(Z^4+1)+C

115 -- F(Z) = sqrt(Z^4+C)

116 -- F(Z) = C^Z

117 -- F(Z) = C*arctan(Z)

118 -- F(Z) = (ZlnZ)/exp(C)

119 -- F(Z) = exp(Z)/lnZ+C

120 -- F(Z) = sqrt(Z^3+C)

121 -- F(Z) = sqrt(Z^3+1)+C

122 -- F(Z) = cubrt(Z^6+1)+C

123 -- F(Z) = (Z+exp(Z)+ln Z)^2+C

124 -- F(Z) = (Z^2+C+1)^2 / (2Z+C+2)^2

125 -- F(Z) = Z ^ 10 + C

126 -- F(Z) = Z ^ 11 + C

127 -- F(Z) = Z ^ 12 + C

128 -- F(Z) = Z^12 - Z^11 - Z^10 + C

129 -- F(Z) = Z ^ 13 + C

130 -- F(Z) = Z ^ 14 + C

131 -- F(Z) = Z ^ 15 + C

132 -- F(Z) = Z ^ 16 + C

133 -- F(Z) = Z ^ 17 + C

134 -- F(Z) = Z ^ 18 + C

135 -- F(Z) = Z ^ 19 + C

136 -- F(Z) = Z ^ 20 + C

137 -- F(Z) = Z ^ 21 + C

138 -- F(Z) = Z ^ 22 + C

139 -- F(Z) = Z ^ 23 + C

140 -- F(Z) = Z ^ 24 + C

141 -- F(Z) = Z ^ 25 + C

142 -- F(Z) = Z ^ 26 + C

143 -- F(Z) = Z ^ 27 + C

144 -- F(Z) = Z ^ 28 + C

145 -- F(Z) = Z ^ 29 + C

146 -- F(Z) = Z^30 + C

147 -- X=X^2+Y+A+X^2/Y ;Y=Y^2+X+B+Y^2/X

148 -- X=X^3+Y^2-X+A ;Y=Y^3-X^2+Y+B

149 -- X=X^2+2XY-Y+A ;Y=Y^2-2XY+X+B

150 -- X=X^3+AX^2+BY ;Y=Y^3+BY^2+AX

151 -- X=2X^2-3ABY+A ;Y=3Y^2+2ABX-B

152 -- X=X^4lnX+Y^2sinY+A; Y=Y^4lnY+X^2cosX+B

153 -- X=sqr(ln(X^2))+YsinX+A; Y=sqr(ln(Y^2))-XcosY+B

154 -- X=.5(X^2-Y^2)+.5(X+Y)+A; Y=.5(Y^2-X^2)-.5(X+Y)+B

155 -- X=sqr(X^3)+sqr(Y^3)+A; Y=sqr(Y^3)-sqr(X^3)+B

156 -- X=Y/sqrX+X/sqrY+A; Y=XsqrY+YsqrX+B

157 -- F(Z) = Z^30 - 30Z^29 - 870Z^28 + C

158 -- F(Z) = Z^27 - 27Z^26 - 702Z^25 + C

159 -- F(Z) = Z^24 - 24Z^23 - 552Z^22 + C

160 -- F(Z) = Z^21 - 21Z^20 - 420Z^19 + C

161 -- F(Z) = Z^18 - 18Z^17 - 306Z^16 + C

162 -- F(Z) = Z^15 - 15Z^14 - 210Z^13 + C

163 -- F(Z) = Z^30 - 30Z^29 - 870Z^28 + Z^27 - 27Z^26 - 702Z^25 + C

164 -- F(Z) = Z^27 - 27Z^26 - 702Z^25 + Z^24 - 24Z^23 - 552Z^22 + C

165 -- F(Z) = Z^24 - 24Z^23 - 552Z^22 + Z^21 - 21Z^20 - 420Z^19 + C

166 -- F(Z) = Z^21 - 21Z^20 - 420Z^19 + Z^18 - 18Z^17 - 306Z^16 + C

167 -- F(Z) = Z^18 - 18Z^17 - 306Z^16 + Z^15 - 15Z^14 - 210Z^13 + C

168 -- F(Z) = Z^30 - 30Z^29 - 870Z^28 + Z^27 - 27Z^26 - 702Z^25 + Z^24 -
24Z^23 -
552Z^22 + C

169 -- F(Z) = Z^27 - 27Z^26 - 702Z^25 + Z^24 - 24Z^23 - 552Z^22 + Z^21 -
21Z^20 -
420Z^19 + C

170 -- F(Z) = Z^24 - 24Z^23 - 552Z^22 + Z^21 - 21Z^20 - 420Z^19 + Z^18 -
18Z^17 -
306Z^16 + C

171 -- F(Z) = Z^21 - 21Z^20 - 420Z^19 + Z^18 - 18Z^17 - 306Z^16 + Z^15 -
15Z^14 -
210Z^13 + C

172 -- F(Z) = Z^30 - Z^29 + Z^28 - Z^27 + Z^26 - Z^25 + C

173 -- F(Z) = Z^24 - Z^23 + Z^22 - Z^21 + Z^20 - Z^19 + C

174 -- F(Z) = Z^18 - Z^17 + Z^16 - Z^15 + Z^14 - Z^13 + C

175 -- F(Z) = Z^15sinX - Z^14cosY - Z^13tanX + C

176 -- F(Z) = Z^12cosX - Z^11sinY - Z^10tanY + C

177 -- F(Z) = Z^15sinA - Z^14cosB - Z^13tanX - Z^12tanY + C

178 -- F(Z) = Z^12cosA - Z^11sinB - Z^10tanY - Z^9tanX + C

179 -- F(Z) = Z^30sinX - 30Z^29cosY + C

180 -- F(Z) = Z^28cosX - 28Z^27sinY + C

181 -- F(Z) = (Z^3+3Z(C-1)+(C-1)(C-2))^2

182 -- F(Z) = (3Z^2+3Z(C-2)+C^2-3C+3)^2

183 -- F(Z) = (Z^3+3Z(C-1)+(C-1)(C-2))^2 / (3Z^2+3Z(C-2)+C^2-3C+3)^2

184 -- F(Z) = Z ^ pi + C

185 -- F(Z) = pi ^ Z + C

186 -- F(Z) = Z ^ 4 + C

187 -- F(Z) = Z ^ pi + pi ^ C

188 -- F(Z) = C * Z ^ pi

189 -- F(Z) = Z ^ pi - Z ^ 3 + C

190 -- F(Z) = Z ^ pi - Z ^ 2 + C

191 -- F(Z) = Z ^ 2.5 + C

192 -- F(Z) = (5Z^6 + C)/6Z^5

193 -- F(Z) = Z ^ e + C

194 -- F(Z) = Z ^ (C * e)

195 -- F(Z) = (Z ^ e) ^ C

196 -- F(Z) = C * Z ^ e

197 -- F(Z) = Z ^ (pi * e)

198 -- F(Z) = Z * (C ^ e)

199 -- F(Z) = cbrt(Z ^ 7 + 1) + C

200 -- F(Z) = Z ^ 4.669 + C

201 -- F(Z) = (Z ^ 8 + 1) ^ 1/4 + C

202 -- F(Z) = (Z ^ 9 + 1) ^ 1/4 + C

203 -- F(Z) = ((Z ^ 2 * (ReZ - (ImZ)^2))/(1 - Z)) + C

204 -- F(Z) = (Z ^ 10 + C) ^ 1/4

205 -- F(Z) = (Z ^ 10 + 1) ^ 1/4 + C

206 -- F(Z) = (Z ^ 11 + C) ^ 1/4

207 -- F(Z) = (Z ^ 11 + 1) ^ 1/4 + C

208 -- F(Z) = (Z ^ 12 + C) ^ 1/4

209 -- F(Z) = (Z ^ 12 + 1) ^ 1/4 + C

210 -- F(Z) = YZ^2sinX - XZcosY + C

211 -- F(Z) = XZ^3cosY + YZ^2sinX + C

212 -- F(Z) = Z^4 - Z^2cosX + YsinY + C

213 -- F(Z) = XYZ^2 + C

214 -- F(Z) = Z^2 + X^2*Y^2 + C

215 -- F(Z) = Z^3 + X^2sinY + Y^2cosX + C

216 -- F(Z) = (Z ^ 13 + C) ^ 1/6

217 -- F(Z) = (Z ^ 5 + C) ^ 1/3

218 -- F(Z) = (Z ^ 4 + C) ^ 1/sin X

219 -- F(Z) = Z ^ 2 + iZ ^ 2 + C

220 -- F(Z) = Z ^ 3 + iZ ^ 3 + C

221 -- F(Z) = Z ^ 4 + iZ ^ 2 + C

222 -- F(Z) = (Z ^ 4 / Z + 1) + C

223 -- F(Z) = (Z ^ 6 / Z + 1) + C

224 -- F(Z) = (Z ^ 4 / Z + i) + C

225 -- F(Z) = (Z ^ 6 / Z + i) + C

226 -- F(Z) = (Z ^ 2 / (lnZ)^2) + C

227 -- F(Z) = (Z ^ 2 / (ln(Z^2)) + C

228 -- F(Z) = (Z ^ 3 / (lnZ)^3) + C

229 -- F(Z) = (Z ^ 3 / (ln(Z^3)) + C

230 -- F(Z) = (Z ^ 4 / (lnZ)^4) + C

231 -- F(Z) = (Z ^ 4 / (ln(Z^4)) + C

232 -- F(Z) = Z ^ 2 + Z / ln Z + C

233 -- F(Z) = Z ^ 2 + ln Z / Z + C

234 -- F(Z) = Z ^ 6 + Z ^ 4 + Z ^ 2 + C

235 -- F(Z) = Z ^ 6 - Z ^ 4 - Z ^ 2 + C

236 -- F(Z) = Z ^ (1/Z) + C

237 -- F(Z) = Z ^ 2 + sin Z / Z + C

238 -- F(Z) = Z ^ 2 + Z / sin Z + C

239 -- F(Z) = Z ^ iZ + C

240 -- F(Z) = Z ^ 2 * exp(X) + C

241 -- F(Z) = Z ^ 2 * exp(X ^ 2) + C

242 -- F(Z) = Z ^ 3 * exp(X) + Z ^ 2 * exp(Y) + C

243 -- F(Z) = exp(Z ^ Z) + C

244 -- F(Z) = (Z ^ 3) / (Z + 1) + C

245 -- F(Z) = Z ^ 2 / C

246 -- F(Z) = (Z ^ 4 + 1) / (Z + C)

247 -- F(Z) = (Z ^ 4 + C) / (Z ^ 2 + 1)

248 -- F(Z) = (Z ^ 4 + C) / (1 - Z ^ 2)

249 -- F(Z) = Z ^ 2 * exp(Z) / (Z + C)

250 -- F(Z) = Z ^ 2 - exp(Z) + sin(Z) + C

251 -- F(Z) = (Z ^ 4) / (Z ^ 2 + C)

252 -- F(Z) = Z ^ 2 + sqrt(Z ^ 2 + C)

253 -- F(X) = X^2 - Y^2 + XsinY + A; F(Y) = Y^2 - B

254 -- F(X) = X^2 + atan(Y/X) + A; F(Y) = Y^2 - A

255 -- F(X) = 1 - X - Y^2 + A; F(Y) = 1 - Y + X^2 + B

256 -- F(X) = exp(sqrt(X)) - exp(sqrt(Y)) + A; F(Y) = exp(XlnY) + B

257 -- F(Z) = C ^ 2 * ln(Z ^ 2)

258 -- F(Z) = Z ^ 2 ln(C)

259 -- F(Z) = Z ^ 2 ln(C) + C

260 -- F(Z) = Z ^ 2 ln(Z + C)

261 -- F(Z) = Z ^ -2 + C

262 -- F(Z) = ((X^2 + Y^2 + A) / (X^2 - Y^2)) + i[((X^2 - Y^2 - B) /
(X^2 +
Y^2))]

263 -- F(Z) = (X^3 - iY + C) / (X + Y + 1)

264 -- F(Z) = [(X^2 + A^2) / Y] + i[(Y^2 + B^2) / X]

265 -- F(Z) = [(X^3 + X^2 + X + A) / (Y^3 - Y^2 - Y - 1)] + i[(Y^3 + Y^2
+
Y + B) /
(X^3 - X^2 - X - 1)]

266 -- F(Z) = [(X^4 - Y^2) / (X + Y + A)] + i[(X^2 + Y^4) / (X - Y - B)]

267 -- F(Z) = C ^ 3 / Z ^ 2

268 -- F(Z) = [Z^(1/2) / Z^(1/3)] + C

269 -- F(Z) = (Z ^ 2 + C) / (1 - C)

270 -- F(Z) = (exp(Z ^ 4)/ Z ^ 4) + C

271 -- F(Z) = (Z ^ 6 + 1) ^ (1/5) + C

272 -- F(Z) = Z ^ 2 + CZ + C * sin Y - Z * cos X + C

273 -- F(Z) = Z ^ 6 - Z ^ 5 - Z ^ 4 - Z ^ 3 - Z ^ 2 - Z + C

274 -- F(Z) = Z ^ 2 * (sin C / C)

275 -- F(Z) = exp(- Z ^ 2 / 2) + C

276 -- F(Z) = (Z ^ 3 + 3 * Z - 1) / (2 - Z)

277 -- F(Z) = Z ^ 3 * sin C + Z ^ 2 * cos C + XY + C

278 -- F(Z) = (Z ^ 2 + 1) ^ 2 / (Z + C) ^ 2

279 -- F(Z) = (Z ^ 2 + C + 1) ^ 2 / (Z - C - 1) ^ 2

280 -- F(Z) = Z ^ 4 * sin Y + Z ^ 2 * cos X + XY + C

281 -- F(Z) = Z * cos (XY) + C

282 -- F(Z) = Z ^ 2 * cos (X ^ 2 + Y ^ 2) + C

283 -- F(Z) = Z ^ (2 + ln C)

284 -- F(Z) = Z ^ (9/7) + C

285 -- F(Z) = Z ^ 5 * (1 - Z - (Z + C) ^ 2) + C

286 -- F(Z) = Z ^ 6 + Z ^ 5 + C

287 -- F(Z) = Z ^ 6 + Z ^ 4 + C

288 -- F(Z) = Z ^ 6 + Z ^ 3 + C

289 -- F(Z) = Z ^ 6 + Z ^ 2 + C

290 -- F(Z) = Z ^ 6 + Z + C

291 -- F(Z) = Z ^ 2 + cos Z + C

292 -- F(Z) = Z ^ 2 + cos 2Z + C

293 -- F(Z) = Z ^ 2 + cos 3Z + C

294 -- F(Z) = Z ^ 2 + cos 4Z + C

295 -- F(Z) = Z ^ 2 + cos 5Z + C

296 -- F(Z) = (Z ^ 7 + C) / Z ^ 5

297 -- F(Z) = (Z ^ 7 + C) / Z ^ 4

298 -- F(Z) = (Z ^ 7 + C) / Z ^ 3

299 -- F(Z) = (Z ^ 7 + C) / Z ^ 2

300 -- F(Z) = (Z ^ 7 + C) / Z

301 -- F(Z) = Z ^ 3 - Z ^ 2 - Z + C

302 -- F(Z) = Z ^ 4 - Z ^ 3 - Z ^ 2 + C

303 -- F(Z) = Z ^ 5 - Z ^ 4 - Z ^ 3 + C

304 -- F(Z) = Z ^ 6 - Z ^ 5 - Z ^ 4 + C

305 -- F(Z) = Z ^ 7 - Z ^ 6 - Z ^ 5 + C

306 -- F(Z) = Z ^ 2 * (cos(Z)) ^ 2 + C

307 -- F(Z) = Z ^ 2 * (cos(XY)) ^ 2 + C

308 -- F(Z) = Z ^ 4 * (sin(Z)) ^ 2 + C

309 -- F(Z) = Z ^ 3 * (sin(XY)) ^ 2 + C

310 -- F(Z) = Z ^ 3 * (cos(Z)*sin(Z)) + C

311 -- F(Z) = (Z ^ 2 / sin(Z)) + C

312 -- F(Z) = (Z ^ 4 / cos(Z)) + C

313 -- F(Z) = (Z ^ 6 + C) / (sin(Z) * cos(Z))

314 -- F(Z) = (Z ^ 3 + Z ^ 2 + Z + C) / (Z + cos(Z)

315 -- F(Z) = (Z ^ 2 * ln Z + Z + C) / (sin(Z)) ^ 2

316 -- F(Z) = Z ^ 4 + (cos X) ^ 2 + (sin Y) ^ 2 + C

317 -- F(Z) = Z ^ 3 + cos X * sin Y + C

318 -- F(Z) = Z ^ 4 + Z + cos C

319 -- F(Z) = Z ^ 2 + Z + tan C

320 -- F(Z) = Z ^ 3 + Z ^ 2 + exp(1 + sin X) + C

321 -- F(Z) = sqrt(Z ^ 4 + cos(theta) + C); theta = arctan (Im Z / Re Z)

322 -- F(Z) = sqrt(Z ^ 5 + Z ^ 3 + Z + C)

323 -- F(Z) = sqrt(Z ^ 4 + Z ^ 3 + Z ^ 2 + Z + C)

324 -- F(Z) = sqrt(Z ^ 6 - Z ^ 3 + C)

325 -- F(Z) = sqrt(ln (Z ^ 2) + Z ^ 2 * ln Z + C)

326 -- F(Z) = cos((Z ^ 2 + C) / XY)

327 -- F(Z) = cos((Z ^ 3 + C) / XY)

328 -- F(Z) = cos((Z ^ 4 + C) / XY)

329 -- F(Z) = ((Z ^ 4 + C) / XY) + cos((Z ^ 3 + C) / XY)

330 -- F(Z) = cos((Z ^ 4 + C) / XY) + cos((Z ^ 3 + C) / XY) + cos((Z ^ 2
+
C) / XY)

331 -- F(Z) = Z ^ 3/2 + Z ^ 4/3 + C

332 -- F(Z) = Z ^ 4/3 + Z ^ 5/4 + C

333 -- F(Z) = Z ^ 5/4 + Z ^ 6/5 + C

334 -- F(Z) = Z ^ 5/2 + Z ^ 7/3 + C

335 -- F(Z) = Z ^ (pi/e) ^ 2 + C

336 -- F(Z) = Y * sin X * cos Y * exp(-X) + C

337 -- F(Z) = Z ^ 2 * cos X * cos Y * exp(-Y) + C

338 -- F(Z) = XYZ * sin X * sin Y * exp(Z) + C

339 -- F(Z) = Z ^ 3 + X ^ 2 * Y ^ 2 * cos X * sin Y + C

340 -- F(Z) = Z ^ 2 + X ^ 2 * sin Y + Y ^ 2 * cos X + C

341 -- F(Z) = 1 / Z + 1 / Z ^ 2 + C

342 -- F(Z) = Z ^ 2 / Z' + Z ^ 3 / Z' ^ 2 + C

343 -- F(Z) = Z ^ 3 / C' + Z ^ 2 + C

344 -- F(Z) = Z ^ 2 + Z' ^ 2 + C

345 -- F(Z) = Z ^ 3 + Z ^ 2 * Z' + Z * Z' ^ 2 + Z' ^ 3 + C

346 -- F(Z) = Z ^ 4 - Z ^ 3 * Z' + Z ^ 2 - Z' + C

347 -- F(Z) = Z ^ 5 - C * Z ^ 3 - C' * Z ^ 2 + Z' + C

348 -- F(Z) = Z ^ 4 * Z' ^ 2 - Z ^ 3 * Z' + C

349 -- F(Z) = Z ^ 6 + Z' ^ 5 + Z ^ 4 + Z' ^ 3 + Z ^ 2 + Z' + C

350 -- F(Z) = Z ^ 4 + Z ^ 2 / Z' + Z' ^ 3 / Z ^ 2 + C

351 -- F(Z) = arcsin(ln(Z)) + C

352 -- F(Z) = arctan(ln(Z)) + C

353 -- F(Z) = (arcsin(ln(Z))) ^ 2 + C

354 -- F(Z) = e ^ (1 + cos(ln(Z))) + C

355 -- F(Z) = e ^ (2 - e ^ cos(Z)) + C

356 -- F(Z) = XY * Z^2 - X^2 * YZ + X * Y ^ 2 * Z ^ 3 + C

357 -- F(Z) = X ^ 3 * Y ^ 4 + X ^ 2 * Z ^ 5 + C

358 -- F(Z) = XY^2Z^3 - X^3Y^2Z + X^2Y^2Z^2 + C

359 -- F(Z) = Z ^ 4 - X ^ 2 * cos(Y) + Y * sin(X) + C

360 -- F(Z) = Z ^ 3 - Y ^ 2 * cos(XY) - X ^ 2 * sin(X) - Y * cos(Y) + C

361 -- F(Z) = (Z ^ 3 + C) / (Z ^ 3 - C)

362 -- F(Z) = (Z ^ 3 + C ^ 2 + 1) / (Z ^ 3 - C ^ 2 - 1)

363 -- F(Z) = (Z ^ 3 + Z + C) / (Z ^ 3 - Z - 1)

364 -- F(Z) = (Z ^ 2 - Z ^ 3 + 1) / (Z ^ 4 + C)

365 -- F(Z) = (Z ^ 4 + C) / (4Z ^ 3 + 1)

366 -- F(Z) = (Z ^ C) / (Z + 1)

367 -- F(Z) = (Z ^ (1 + C)) / (1 + C)

368 -- F(Z) = (2 ^ Z) / C

369 -- F(Z) = 2 ^ Z + C

370 -- F(Z) = 2 ^ Z + (2 ^ Z) / C + C

371 -- F(Z) = XYZ ^ 2 - X ^ 2YZ + C

372 -- F(Z) = X ^ 4 * Y ^ 3 * Z ^ 2 + C

373 -- F(Z) = X^3*Y^3*Z^3 - X^2*Y^2*Z^2 + XYZ + C

374 -- F(Z) = XY^2Z + X^2YZ^4 + C

375 -- F(Z) = Z^2*sqrt(XY) + XY^2Z^4*sqrt(XY) + C

376 -- F(Z) = Z ^ (2XY) + C

377 -- F(Z) = X ^ (2YZ) + C

378 -- F(Z) = Y ^ (Z^2) + X + C

379 -- F(Z) = X ^ (2YZ) + Z ^ (2XY) + C

380 -- F(Z) = (XY) ^ (Z - C)

381 -- F(Z) = Z ^ 2C + C

382 -- F(Z) = Z ^ 2 + C ^ 2Z + C

383 -- F(Z) = X^Y + Z^X + Y^Z + C

384 -- F(Z) = Z ^ 2 + A ^ X + B ^ Y + C

385 -- F(Z) = Z ^ 3 + X ^ (AB) + Y ^ C

386 -- F(Z) = Z ^ 9 - Z ^ 8 - Z ^ 7 + C

387 -- F(Z) = Z^9 - 9Z^8 - 8Z^7 + C

388 -- F(Z) = Z^9 - 9Z^8 - 8Z^7 - 7Z^6 - 6Z^5 - 5Z^4 + C

389 -- F(Z) = Z^9 - 9Z^8 - 8Z^7 - 7Z^6 - 6Z^5 - 5Z^4 - 4Z^3 - 3Z^2 - 2Z
+C

390 -- F(Z) = Z^9 + C^9

391 -- F(Z) = Z^3 + Z^2 + CsinX + C

392 -- F(Z) = Z^4 + X^2 - Y^2 - C^2*cosZ + C + A

393 -- F(Z) = Z^5 + Im(Z^4 + Z^3 + Z^2) + CZRe(Z^2 + C) + C

394 -- F(Z) = Z^3 + Z^2*cosY + ZsinX + C

395 -- F(Z) = Z^4 + (Z^2 / sinY) + (CZ^3 / cosX) + C

396 -- F(Z) = (Z + ln Z)^4 + C

397 -- F(Z) = Z + (ln Z)^4 + C

398 -- F(Z) = Z^2 + (ln Z)^3 + C

399 -- F(Z) = Z^3 + (ln Z)^2 + C

400 -- F(Z) = (ln Z)^2 + C^2 + C

                             Lissajous Figures

A 3-D Lissajous figure is created using three parametric equations, one
each for the x, y, and z coordinates. These equations are functions of
sin
and cos, so they are periodic, with the actual period depending on what
values you enter. The values you input in these functions are: a, b, and
exponents x, y, and z. The value of t, the parametric "time" parameter,
ranges from 0 to the number of spheres plotted minus one. Thanks to
Aaron
C. Caba for the info.

We used five different sets of equations. Here they are:

Set 1)

x = r * (sin(a*t) * (cos(b*t)^x))

y = r * (sin(a*t) * (sin(b*t)^y))

z = r * (cos(a*t)^z)



Set 2)

x = r * (sin(a*t) * (cos(b*t)^x))

y = r * (cos(a*t) * (cos(b*t)^y))

z = r * (sin(a*t)^z)



Set 3)

x = r * (sin(a*t) * (sin(b*t)^x))

y = r * (sin(a*t) * (cos(b*t)^y))

z = r * (sin(a*t)^z);



Set 4)

x = r/4 * (a * sin(2*(t-pi/13))^x)

y = r/4 * (-b * cos(t)^y)

z = r * (sin(a*t)^z)



Set 5)

x = r * (sin(a*t) * (cos(a*t)^x))

y = r * (sin(b*t) * (sin(b*t)^y))

z = r * (sin(t)^z)

                            Spherical Harmonics

Spherical harmonics are expressions in three-dimensional spherical
coordinates which are primarily used to describe the theoretical hybrid
electron orbital shapes in molecules. The three coordinates are r (for
radius), theta (degrees in the traditional x-y plane), and phi (degrees
in
the y-z plane). You may also recognize this way of laying out spatial
coordinates from Star Trek's "210 mark 45" designation for navigation as
the degrees in theta and phi. As with the rectangular coordinates, x, y,
and z, we can describe any point in three dimensional space using such a
coordinate system. All types of scientists use spherical and cylindrical
(rho, theta, and z) coordinate systems to analyze various physical
phenomena.

Here are a few of the examples we have used to produce our mathematical
"flying saucers:"

     r = (cos (theta))^2 + (cos(2 * theta))^4 + sin(4 * phi)

     r = (cos(12 * theta))^5 + (cos(8 * theta))^3 + cos(6 * theta)

     r = 2 * (cos(6 * theta))^6 - 4 * (cos(4 * theta))^4 - 2 * (cos(2
     * theta))^2

     rho = (sin(theta))^4 + (sin(2 * theta))^2 + e ^ (1 - sin(z))

     rho = 4 * (cos(4 * theta))^4 - 2 * (cos(2 * theta))^2 + (1 + cos
     (z))^2

You can experiment with an infinite number of possibilities. You will
soon
discover what each coefficient, exponent, and function does to the
overall
shape of the object. Happy Hunting!


                           Affine Transformations

(Due to the limitations of web publishing, our notation of matrices,
symbols, subscripts etc. will be clumsily laid out...please bear with
us...as our tools improve, so will our presentation.)

As given by Barnsley in "Fractals Everywhere," an affine transformation
is
a manipulation of a geometric set of points (here x1 and x2, or just x)
using matrices and column vectors such that:

                 w(x1,x2) = (ax1 + bx2 + e , cx1 + dx2 + f)

A general affine two-dimensional transformation, is given by:

                               w(x) = Ax + t

where A is a 2 x 2 real matrix and t is the column vector:

                                    A =
                                   (a b)
                                   (c d)

                                    t =
                                    (e)
                                    (f)

In graphic terms, the A matrix transforms x by a linear transformation,
which deforms space relative to the origin (involving rotation and
rescaling), whereas the t vector merely translates (moves) the points
once
the deformation is complete.

The matrix A can always be written as:

                                    A =
                            (r1 cos g -r2 cos h)
                            (r1 sin g r2 sin h)

where r1 and r2 are scaling factors and g and h are rotation angles.

Barnsley continues in his book to describe Iterated Function Systems, a
way
of describing objects created by affine transformations. Using the
letters
w, a, b, c, d, e, and f as defined above, he offers a typical a typical
fern designation in tidier "IFS code:"

        IFS code for a Fern (Barnsley)

  w   a     b     c     d     e   f     p
 1    0     0     0     .16   0   0     .01
 2    .85   .04   -.04  .85   0   1.6   .85
 3    .2    -.26  .23   .22   0   1.6   .07
 4    -.15  .28   .26   .24   0   .44   .07

Notice he provides a number p which corresponds to the probability that
each of the four "w" transformations will be used given each point
(x1,x2) that is to be manipulated. All of the p's must add up to one.
Because of this probability factor, each time you generate a fern, it
will be a slightly different fern. Thus we are not producing a
"deterministic fractal," as are Mandelbrot and Julia sets (which are
exactly reproducible), but more of a "random iteration" fractal.

-
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From: pjcarlsn@ix.netcom.com (Paul and/or Joyce Carlson)
Subject: (fractint) 5th-order Newton Formula
Date: 07 Mar 1998 17:08:41 -0600 (CST)

Here's a formula for a 5th-order Newton Mset and three pars
for which Sylvie Gallet kindly supplied the colormaps.

Paul Carlson

frm:Newt5_Atan_Mset {; Copyright (c) Paul W. Carlson, 1998
    ; F(w)   = w^5 - w^4 - w * c^2 + c^2
    ; F'(w)  = 5 * w^4 - 4 * w^3 - c^2
    ; F''(w) = 20 * w^3 - 12 * w^2,  initialize w to 12/20 = 0.6
    ;
    c = pixel
    c2 = c * c
    z = iter = bailout = 0
    colors_in_range = 50
    colors_in_range_1 = 49
    root1 = (1,0)
    root2 = sqrt(c)
    root3 = -root2
    root4 = sqrt(-c)
    root5 = -root4
    prev_w = w = 0.6:
    ;
    w4 = w^4
    w = w - (w * w4 - w4 - c2 * w + c2) / (5 * w4 - 4 * (w^3) - c2)
    ;
    delta_w = w - prev_w
    IF (|delta_w| < p1)
	angle = atan(imag(delta_w) / real(delta_w))
	IF (delta_w >= 0)
	    IF (imag(delta_w) < 0)
		angle = pi + angle
	    ELSE
		angle = pi - angle
	    ENDIF
	ELSEIF (imag(delta_w) > 0)
	    angle = -angle
	ENDIF
	IF     (|w - root1| < p1)
	    range_num = 0
	ELSEIF (|w - root2| < p1)
	    range_num = 1
	ELSEIF (|w - root3| < p1)
	    range_num = 2
	ELSEIF (|w - root4| < p1)
	    range_num = 3
	ELSEIF (|w - root5| < p1)
	    range_num = 4
	ENDIF
	bailout = 1
	z = colors_in_range_1 * angle/pi + range_num * colors_in_range + 
1
    ENDIF
    prev_w = w
    iter = iter + 1
    z = z - iter
    bailout == 0
}

n5atnm01           {; Parameters, coordinates by Paul Carlson 
                    ; Colormap by Sylvie Gallet
  reset=1960 type=formula formulafile=n5atnm.frm
  formulaname=Newt5_Atan_Mset passes=t
  center-mag=+0.00000000000000000/+0.31491361205028330/3913676/1/180
  params=0.01/0 float=y maxiter=2000 inside=253 outside=summ
  colors=000A00<22>SD9TE9UFAUGAVHA<21>reMwww<48>555F00<15>YHB_JC_KC<3\
  0>zt`rrr<48>AAAK00<48>wmU000<3>000 cyclerange=1/250
  }

n5atnm05           {; Parameters, coordinates by Paul Carlson 
                    ; Colormap by Sylvie Gallet
  reset=1960 type=formula formulafile=n5atnm.frm
  formulaname=Newt5_Atan_Mset passes=t
  center-mag=-0.00000000000000000/+0.17156717356342680/60130.88/1/180
  params=0.01/0 float=y maxiter=2000 inside=253 outside=summ
  colors=000zzz<48>DDDzrZ<47>L71K50K62<22>VMSVNTWOVXPW<21>xuuzwwzt`<3\
  0>_LEZJDYICYHCXGBWFA<12>K000AA<22>IQTJRULSV<23>rwz000<3>000
  }

n5atnm06           {; Parameters, coordinates by Paul Carlson 
                    ; Colormap by Sylvie Gallet
  reset=1960 type=formula formulafile=n5atnm.frm
  formulaname=Newt5_Atan_Mset passes=t
  center-mag=-0.00000000000000004/+0.14499911078052670/1162187/1/180
  params=0.01/0 float=y maxiter=2000 inside=253 outside=summ
  colors=000A00<22>SD9TE9UFAUGAVHA<21>reMwww<48>555F00<15>YHB_JC_KC<3\
  0>zt`rrr<48>AAAK00<48>wmU000<3>000 cyclerange=1/250
  }


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From: Peter Jakubowicz <pfjakub@earthlink.net>
Subject: (fractint) Bugs
Date: 07 Mar 1998 20:05:18 -0800

Hi
Here are some bugs (but you really have to use yr imagination, and I don't
know what happened to the amber. Thanks to Angela and Bud (I'm sorry I
don't know yr surnames) and Jim Muth for colormaps; and Paul Carlson for
the formula. 




Bug_Angela         { ; Formula by Paul Carlson
                     ; Colormap by Angela
                     ; I drank coffee and watched it generate
  reset=1960 type=formula formulafile=pcarlson.frm
  formulaname=Newt5_Atan_Mset passes=t
  center-mag=-0.36142477381055520/+0.63869095675923090/458325.6
  params=0.01/0 float=y maxiter=1024 outside=summ
  colors=000H20<13>rf8ui9wmA<6>KA3KA2F51A00<3>N00Q70<11>cUI<4>A00ujA<13>K4\
  1A00<6>K00900<7>400400500<14>K00<3>`MBOAD<3>mcPtgM<6>U00<3>F00<7>zm0<2>f\
  T0<17>RC0L60<4>G10F00F00F00K00<4>000<77>000F00<7>F00QB0<3>M70
  cyclerange=1/250
  }

Bug_Jim            { ; Formula by Paul Carlson
                     ; Colormap by Jim Muth
                     ; I drank coffee and watched it generate
  reset=1960 type=formula formulafile=pcarlson.frm
  formulaname=Newt5_Atan_Mset passes=t
  center-mag=-0.0581296/-0.388103/17.24851/1/-90 params=0.02/0 float=y
  maxiter=2048 outside=summ
  colors=000vsO<7>vqOvb0<28>vb0vzf<14>vzfvzevzevzdvzc<11>vzSvuQ<2>vuKvuIvu\
  FvuCvu9vu6vr3vq0<8>vp0vm0<2>vk0vj0vj0vj0<5>vh0vh0vg0vf0<4>v_0vZ0vZ0<16>v\
  M0vM0vL0vL0tJ0<2>qE0oC0nB0lA0<9>9A0vQ0<2>vV0vX0vX0<31>vd0ve1ve1ve2ve2<46\
  >vqNvqNvrOvsOvtO<7>vrOvrOvsOvsO cyclerange=1/250
  }

Bug_Bud            { ; Formula by Paul Carlson
                     ; Colormap by Bud
                     ; I drank coffee and watched it generate
  reset=1960 type=formula formulafile=pcarlson.frm
  formulaname=Newt5_Atan_Mset passes=t
  center-mag=-0.000252734/-0.143562/21.64871 params=0.01/0 float=y
  maxiter=2048 outside=summ
  colors=q000bo0am0_k<11>ATZASXBRWCQVDQU<6>JLMKKKLKK<29>xg1zh0yg0<29>MC0KA\
  0LA0<13>_86a77b66<4>h22i11k00m00<5>x00o00<25>000<31>sss<30>222000012<30>\
  0kz<4>0dqz00<3>s00 cyclerange=1/250
  }

Newt5_Atan_Mset {; Copyright (c) Paul W. Carlson, 1998
    ; F(w)   = w^5 - w^4 - w * c^2 + c^2
    ; F'(w)  = 5 * w^4 - 4 * w^3 - c^2
    ; F''(w) = 20 * w^3 - 12 * w^2,  initialize w to 12/20 = 0.6
    ;
    c = pixel
    c2 = c * c
    z = iter = bailout = 0
    colors_in_range = 50
    colors_in_range_1 = 49
    root1 = (1,0)
    root2 = sqrt(c)
    root3 = -root2
    root4 = sqrt(-c)
    root5 = -root4
    prev_w = w = 0.6:
    ;
    w4 = w^4
    w = w - (w * w4 - w4 - c2 * w + c2) / (5 * w4 - 4 * (w^3) - c2)
    ;
    delta_w = w - prev_w
    IF (|delta_w| < p1)
	angle = atan(imag(delta_w) / real(delta_w))
	IF (delta_w >= 0)
	    IF (imag(delta_w) < 0)
		angle = pi + angle
	    ELSE
		angle = pi - angle
	    ENDIF
	ELSEIF (imag(delta_w) > 0)
	    angle = -angle
	ENDIF
	IF     (|w - root1| < p1)
	    range_num = 0
	ELSEIF (|w - root2| < p1)
	    range_num = 1
	ELSEIF (|w - root3| < p1)
	    range_num = 2
	ELSEIF (|w - root4| < p1)
	    range_num = 3
	ELSEIF (|w - root5| < p1)
	    range_num = 4
	ENDIF
	bailout = 1
        z = colors_in_range_1 * angle/pi + range_num * colors_in_range + 1

    ENDIF
    prev_w = w
    iter = iter + 1
    z = z - iter
    bailout == 0
}




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From: Janet Preslar <preslar@memphisonline.com>
Subject: (fractint) Need help!
Date: 07 Mar 1998 20:18:32 -0600

Hey gurus, I need some help! I, once upon a time, created this PHC image:

http://www.ParkeNet.org/jp/fractals/jp97039.jpg

with the following formula and par. Now when I go to generate it, I only get the
mandel curve part, not the lambdafn spiral. I need this to get this to work for
a deadline that is almost past. Can anyone duplicate my problem and/or suggest a
solution? (I need to generate at d&c high resolution image.)

Thanks for your help.

Janet


frm:JPd {; PHC -- mandel, lambdafn
  IF (whitesq)
    z = c = pixel
  ELSE
    z = pixel + p1, c = p2
  ENDIF
    :
  IF (whitesq)
    z = z*z + c
    PHC_bailout = |z| <= 4
  ELSE
    z = c * sin(z)
    PHC_bailout = |z| <= 64
  ENDIF
    PHC_bailout
}



jp97039.gif        { ; copyright 1997 -- Janet Preslar
  reset=1960 type=formula formulaname=JPd
  passes=1 center-mag=0.34375/-0.15625/6.4/1.3333 params=-0.33/0.17
  float=y maxiter=1500
  colors=000m_kXTh<12>234<4>HJP<8>cKco`o<5>000<8>XTM`WOdYI<4>wwc<8>H0K<4>P\
  0J<10>fez<6>000<7>5PS<7>wfw<7>000<7>0OD<8>wwc<6>000<8>uSS<6>fez<7>000<7>\
  5PS<8>wfz<6>000<7>0OD<5>wwcFTOHTN033<6>5PS<6>wfw<7>000<7>0OD<8>wwc<6>000\
  <7>wQN<3>oYf
  }




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From: ao950@freenet.carleton.ca (Paul Derbyshire)
Subject: (fractint) Viewwindows
Date: 08 Mar 1998 01:01:13 -0500 (EST)


Bug in Fractint 19.6: the "reset=" in a parfile doesn't seem to kill a
viewwindow setting. If I go through a PAR and hit an image with odd
viewwindows, they stay that way after that image, instead of being reset
by the next par's"reset=" line.


--
    .*.  Friendship, companionship, love, and having fun are the reasons for
 -()  <  life. All else; sex, money, fame, etc.; are just to get/express these.
    `*'  Send any and all mail with attachments to the hotmail address please.
Paul Derbyshire ao950@freenet.carleton.ca pgd73@hotmail.com

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From: ao950@freenet.carleton.ca (Paul Derbyshire)
Subject: Re: (fractint) anybody try simplgif?
Date: 08 Mar 1998 02:38:10 -0500 (EST)


I have and I haven't managed to break it...yet <g>


--
    .*.  Friendship, companionship, love, and having fun are the reasons for
 -()  <  life. All else; sex, money, fame, etc.; are just to get/express these.
    `*'  Send any and all mail with attachments to the hotmail address please.
Paul Derbyshire ao950@freenet.carleton.ca pgd73@hotmail.com

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From: ao950@freenet.carleton.ca (Paul Derbyshire)
Subject: Re: (fractint) Exploring new fractals
Date: 08 Mar 1998 02:56:15 -0500 (EST)

>
>I wrote:
>>... before you give up on (a)
>>Fractint sub-type, try a low bailout value.  
>
>Note: this is particularly important for functions that 
>always return values with magnitudes below 1, such as 
>sine and cosine.

Hrm?
Really huge numbers pop up taking the cosine of a complex number with a big
imaginary part. That magnitude under 1 appliesonly on the real line...

--
    .*.  Friendship, companionship, love, and having fun are the reasons for
 -()  <  life. All else; sex, money, fame, etc.; are just to get/express these.
    `*'  Send any and all mail with attachments to the hotmail address please.
Paul Derbyshire ao950@freenet.carleton.ca pgd73@hotmail.com

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From: Mark Christenson <mchris@hooked.net>
Subject: Re: (fractint) Exploring new fractals
Date: 08 Mar 1998 01:03:17 -0800

At 02:56 AM 3/8/98 -0500, Paul Derbyshire wrote:
>Hrm?
>Really huge numbers pop up taking the cosine of a complex number with a big
>imaginary part. That magnitude under 1 appliesonly on the real line...

Hmm... this was something I wasn't aware of.  Guess I'll have to educate 
myself about this.  In spite of having taken math through advanced calculus
(and four years of physics), I don't think I ever applied trig functions to 
complex numbers.  Or maybe I just forgot. 


Bud


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From: "James R. McKenzie" <whookam88@yahoo.com>
Subject: Re: (fractint) Viewwindows
Date: 08 Mar 1998 01:32:55 -0800 (PST)






---Paul Derbyshire <ao950@freenet.carleton.ca> wrote:
>
> 
> Bug in Fractint 19.6: the "reset=" in a parfile doesn't seem to kill a
> viewwindow setting. If I go through a PAR and hit an image with odd
> viewwindows, they stay that way after that image, instead of being
reset
> by the next par's"reset=" line.
> 
 

I've had the same problem.  On those "square" fractals that don't take
up the entire screen.  After running one if I want to run a saved
image or another paramater I have to restart FRACTINT.  I have a, more
or less, generic video card (made by Phoenix, it's a TRIO 32/64) with
2 meg O' ram and I run FRACTINT at 1024x768x256.  I've tried other
resolutions and it made ono difference.  It's not a "MAJOR" problem
but it can be annoying.  Is there a setting I can add to the
"sstools.ini" file to fix this?

Please lemme know if you folx have any solution.


                               L8R



BTW I've started usinmg my name now.  Don't all yawn at once.


                       James R. McKenzie
_________________________________________________________
DO YOU YAHOO!?
Get your free @yahoo.com address at http://mail.yahoo.com


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From: ao950@freenet.carleton.ca (Paul Derbyshire)
Subject: Re: (fractint) Exploring new fractals
Date: 08 Mar 1998 05:28:07 -0500 (EST)


>Hmm... this was something I wasn't aware of.  Guess I'll have to educate 
>myself about this.  In spite of having taken math through advanced calculus
>(and four years of physics), I don't think I ever applied trig functions to 
>complex numbers.  Or maybe I just forgot. 

There are formulas for the sine and cosine of a complex number in terms of the
sine and cosine and hyperbolic sine and cosine of the real and imaginary
parts. The hyperbolic components can become unbounded for big imaginary
parts of z.

You could also use the Maclaurin series for sine and cosine.

--
    .*.  Friendship, companionship, love, and having fun are the reasons for
 -()  <  life. All else; sex, money, fame, etc.; are just to get/express these.
    `*'  Send any and all mail with attachments to the hotmail address please.
Paul Derbyshire ao950@freenet.carleton.ca pgd73@hotmail.com

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From: ao950@freenet.carleton.ca (Paul Derbyshire)
Subject: Re: (fractint) Viewwindows
Date: 08 Mar 1998 05:30:11 -0500 (EST)

>I've had the same problem.  On those "square" fractals that don't take
>up the entire screen.  After running one if I want to run a saved
>image or another paramater I have to restart FRACTINT.

Restart Fractint? I've never had to do that; manually turning view windows
off has always sufficed. Are you using version 19.6 or an earlier version?


--
    .*.  Friendship, companionship, love, and having fun are the reasons for
 -()  <  life. All else; sex, money, fame, etc.; are just to get/express these.
    `*'  Send any and all mail with attachments to the hotmail address please.
Paul Derbyshire ao950@freenet.carleton.ca pgd73@hotmail.com

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From: Sylvie Gallet <Sylvie_Gallet@compuserve.com>
Subject: (fractint) Need help!
Date: 08 Mar 1998 07:38:48 -0500

Hi Janet,

>> Can anyone duplicate my problem and/or suggest a solution? (I need to
>> generate at d&c high resolution image.)

  Here is the solution:

jp97039            {
  reset=3D1960 type=3Dformula formulafile=3Dpreslar.par formulaname=3Djpd=

  passes=3D1 center-mag=3D0.34375/-0.15625/6.4/1.3333
  params=3D-0.33/0.17/1/0.4 float=3Dy maxiter=3D1500
  colors=3D000m_kXTh<12>234<4>HJP<8>cKco`o<5>000<8>XTM`WOdYI<4>wwc<8>H0K<=
4>P\
  0J<10>fez<6>000<7>5PS<7>wfw<7>000<7>0OD<8>wwc<6>000<8>uSS<6>fez<7>000<7=
>\
  5PS<8>wfz<6>000<7>0OD<5>wwcFTOHTN033<6>5PS<6>wfw<7>000<7>0OD<8>wwc<6>00=
0\
  <7>wQN<3>oYf
  }

  Cheers,

        - Sylvie

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From: T R Moe <TRMoe@aol.com>
Subject: Re: (fractint) Viewwindows
Date: 08 Mar 1998 07:45:31 EST

Hi Paul -in a message dated 3/8/98 you wrote

>Bug in Fractint 19.6: the "reset=" in a parfile doesn't seem to kill a
>viewwindow setting. If I go through a PAR and hit an image with odd
>viewwindows, they stay that way after that image, instead of being reset
>by the next par's"reset=" line.

I believe this feature was deliberately designed to permit viewing of a series
of fractals as thumbnails without having to redo the view setting for each
one.  I find this very useful when looking for an image whose name I can't
recall.  To reset the view to normal press <v> to enter the view menu then
press <F4> to reset the defaults.  Hope this helps.  Tom

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From: ao950@freenet.carleton.ca (Paul Derbyshire)
Subject: Re: (fractint) Viewwindows
Date: 08 Mar 1998 07:53:11 -0500 (EST)


Seems like there should be two different viewwindows then. A regular one
that is reset and one that works for thumbnails, which might instead be
invoked from the video modes, act like a video mode, and display say a
64x64 image at 1024x768...you choose the "real" video mode and the
resolution like view window.


--
    .*.  Friendship, companionship, love, and having fun are the reasons for
 -()  <  life. All else; sex, money, fame, etc.; are just to get/express these.
    `*'  Send any and all mail with attachments to the hotmail address please.
Paul Derbyshire ao950@freenet.carleton.ca pgd73@hotmail.com

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From: Janet Preslar <preslar@memphisonline.com>
Subject: Re: (fractint) Need help!
Date: 08 Mar 1998 07:10:42 -0600

Sylvie Gallet wrote:

> Hi Janet,
>
>   Here is the solution:
>

Thanks Sylvie! I'm not sure how I lost those two parameters.

Janet


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From: "James R. McKenzie" <whookam88@yahoo.com>
Subject: Re: (fractint) Viewwindows
Date: 08 Mar 1998 08:56:07 -0800 (PST)






---Paul Derbyshire <ao950@freenet.carleton.ca> wrote:
>
> >I've had the same problem.  On those "square" fractals that don't
take
> >up the entire screen.  After running one if I want to run a saved
> >image or another paramater I have to restart FRACTINT.
> 
> Restart Fractint? I've never had to do that; manually turning view
windows
> off has always sufficed. Are you using version 19.6 or an earlier
version?
> 

Paul, 

I'm using FRACTINT 19.60.  By restart I meant hitting the <delete> not
literally shutting down and re-launching.  If I don't the images all
come up as squares versus full screen.  I've got over 50 meg of
fractals on my D:\ drive (That's where FRACTINT is), only a small part
are squares but they do look dang neat (IMHO they'd look better as
full screen), still when I run 'em it would be nice to be able to go
with anothe image without the re-start.


Oh well, hope this was useful info.

James R. McKenzie

a.k.a.

FIRSTNAME LASTNAME
_________________________________________________________
DO YOU YAHOO!?
Get your free @yahoo.com address at http://mail.yahoo.com


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From: aq936@freenet.carleton.ca (Michael Traynor)
Subject: Re: (fractint) Viewwindows
Date: 08 Mar 1998 11:59:50 -0500 (EST)

>>Bug in Fractint 19.6: the "reset=" in a parfile doesn't seem to kill a
>>viewwindow setting. If I go through a PAR and hit an image with odd
>>viewwindows, they stay that way after that image, instead of being reset
>>by the next par's"reset=" line.

While it does not directly address this (though it might if it was placed
in the pars), you can use fractint's fastrestore option, as described in
the list of new stuff for 19.6:

"Added command line option fastrestore=yes|no. Default is NO. When YES,
    causes viewwindows to be set to NO before each restore, so that
    otherwise normal gifs will not be drawn at the reduced aspect when
    viewwindows was previously set to YES; and bypasses the warning which
    is displayed when a restore is to be viewed in a video mode other than
    the one at which the gif was saved. Combined with askvideo=no, all
    restores will automatically be made at the user's default video mode.
    This feature will be helpful when cycling through a group of gifs in
    autokey mode."

You could put this in sstools.ini.

--
Mike Traynor

People who like this sort of thing will find this the sort of thing they like.
	Abraham Lincoln

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From: Wizzle <wizzle@cci-internet.com>
Subject: Re: (fractint) Viewwindows
Date: 08 Mar 1998 09:19:51 -0800

Jim

The F4 trick works for me to......my steps are

1.  hit v to bring up the view screen
2. hit F4 to reset to the defaults
3.  hit enter and the screen starts to re-draw the image to whatever I have
in my sstools.ini file

Angela

>
>
>
>---Paul Derbyshire <ao950@freenet.carleton.ca> wrote:
>>
>> >I've had the same problem.  On those "square" fractals that don't
>take
>> >up the entire screen.  After running one if I want to run a saved
>> >image or another paramater I have to restart FRACTINT.
>> 
>> Restart Fractint? I've never had to do that; manually turning view
>windows
>> off has always sufficed. Are you using version 19.6 or an earlier
>version?
>> 
>
>Paul, 
>
>I'm using FRACTINT 19.60.  By restart I meant hitting the <delete> not
>literally shutting down and re-launching.  If I don't the images all
>come up as squares versus full screen.  I've got over 50 meg of
>fractals on my D:\ drive (That's where FRACTINT is), only a small part
>are squares but they do look dang neat (IMHO they'd look better as
>full screen), still when I run 'em it would be nice to be able to go
>with anothe image without the re-start.
>
>
>Oh well, hope this was useful info.
>
>James R. McKenzie
>
>a.k.a.
>
>FIRSTNAME LASTNAME


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From: Wizzle <wizzle@cci-internet.com>
Subject: Re: (fractint) anybody try simplgif?
Date: 08 Mar 1998 09:39:39 -0800

I downloaded simplegif.zip and would like to try it but am....as
usual....clueless.  Is there documentation about what simplegif is and how
to use it somewhere? Basic questions:

1. what is simplegif's purpose?
2. what are the steps for use?
3. any warnings?

Angela

At 09:37 PM 3/4/98 -0600, you wrote:
>A while ago I mentioned that a new version of simplgif is available 
>at:
>
>ftp://ftp.phoenix.net/pub/USERS/twegner/simplgif.zip
>
>This utility combines the images in multiple-image GIFs created with 
>Fractint's "divide-and-conquer" mode.
>
>Just curious, is it bug free or have folks just not gotten around to 
>trying it? I'll tell you a secret if you promise not to tell. If 
>you add the -i option to the simplgif command line before the 
>filename arguments, it will produce an interlaced file. But no, 
>Fractint doesn't read interlaced files correctly yet <g!>
>
>Tim


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From: Peter Jakubowicz <pfjakub@earthlink.net>
Subject: (fractint) Par
Date: 08 Mar 1998 12:37:42 -0800

Opus #1            { ; Carmen Miranda Series
  reset=1960 type=formula formulafile=*.frm
  formulaname=3D_Balls_Mset passes=t
  center-mag=+0.36199809314334530/-0.07692876126871936/1.263339e+010
  params=0.01/1/16/8 float=y maxiter=8192 outside=summ periodicity=0
  colors=zzziHe<26>t3Ou2Nu3N<45>yr4ys3xs3<44>Xz0Wz0Wz0Wz0<60>IJ0II0II0II0<\
  30>PIRWXz<9>_Su_St_Rs_Rr`Qq<18>hHe
  }

frm:3D_Balls_Mset (ORIGIN) {; Copyright (c) Paul W. Carlson, 1997
    ;****************************************************
    ; Always use floating point math and outside=summ.
    ;
    ; Parameters:
    ;   real(p1) = a factor controlling the size of the balls
    ;   imag(p1) = number of iterations to skip
    ;   real(p2) = number of color ranges
    ;   imag(p2) = number of colors in each color range
    ;
    ; Note that the equation variable is w, not z.  Always
    ; initialize z to zero.
    ;****************************************************
    w = 0
    c = pixel
    z = 0
    bailout = 0
    iter = 0
    range_num = 0
    skip = imag(p1)
    ;****************************************************
    ; In the accompanying par file, mndballs.par,
    ; we have 8 color ranges with 30 colors in each range
    ; for a total of 240 colors. The first range starts at
    ; color 1.  Pixels will use color 0 when |w| >= 1000.
    ; Other values can be used here as long as the product
    ; of num_ranges times colors_in_range is less than 255.
    ; Color 0 is reserved for the background color and color
    ; 255 can be used for the inside color.
    ;****************************************************
    num_ranges = real(p2)
    colors_in_range = imag(p2)
    ;****************************************************
    ; Real(p1) controls the size of the balls.
    ; These values will usually be in the range 0.001 to 0.1
    ;****************************************************
    ball_size = real(p1)
    index_factor = (colors_in_range - 1) / ball_size:
    ;****************************************************
    ; The equation being iterated.  Almost any equation
    ; that can be express in terms of a complex variable
    ; and a complex constant will work with this method.
    ; This example uses the standard Mandelbrot set equation.
    ;****************************************************
    w = w * w + c
    ;****************************************************
    ; If the orbit point is within the specified distance of a circle,
    ; set z to the index into the colormap and set the bailout flag.
    ;****************************************************
    IF (iter > skip)
	wr = real(w), wi = imag(w)
	d = wr * wr + (wi - .5) * (wi - .5)
	IF (d < ball_size)
	    bailout = 1
	    delta = ball_size - d
	ELSEIF ((d = wr * wr + (wi + .5) * (wi + .5)) < ball_size)
	    bailout = 1
	    delta = ball_size - d
	ELSEIF ((d = (wr - .5) * (wr - .5) + wi * wi) < ball_size)
	    bailout = 1
	    delta = ball_size - d
	ELSEIF ((d = (wr + .5) * (wr + .5) + wi * wi) < ball_size)
	    bailout = 1
	    delta = ball_size - d
	ENDIF
    ENDIF
    IF (bailout)
	z = index_factor * delta + range_num * colors_in_range + 1
    ENDIF
    ;****************************************************
    ; Cycle through the range numbers (0 thru num_ranges - 1)
    ; With two color ranges, even iterations use color
    ; range 0, odd iterations use color range 1.
    ;****************************************************
    range_num = range_num + 1
    IF (range_num == num_ranges)
        range_num = 0
    ENDIF
    ;****************************************************
    ; Since we are using outside=summ, we have to subtract
    ; the number of iterations from z.
    ;****************************************************
    iter = iter + 1
    z = z - iter
    ;****************************************************
    ; Finally, we test for bailout
    ;****************************************************
    bailout == 0  && |w| < 1000
}




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From: "Peter Gavin" <pgavin@mindspring.com>
Subject: Re: (fractint) anybody try simplgif?
Date: 08 Mar 1998 12:35:58 -0500

I've been trying to solve my disk-video-doesn't-work-in-batch-mode problem,
and I was just wondering if there was any way to override the default vid
mode for a restored image using view windows, or something.  The problem is,
I have a bunch of images I started in 1024x768 mode, and I want to resume
them in diskvideo mode so I can run them in the backround in win95.  I have
a batch file to do this, and which uses a dos for command to run through all
the images in the directory and finish them.  But fractint always uses the
graphics mode, not disk-video.  (I know I already asked this once, but I
thought maybe someone might have thought of something since.)

Pete


-----Original Message-----


>I downloaded simplegif.zip and would like to try it but am....as
>usual....clueless.  Is there documentation about what simplegif is and how
>to use it somewhere? Basic questions:
>
>1. what is simplegif's purpose?
>2. what are the steps for use?
>3. any warnings?
>
>Angela
>
>At 09:37 PM 3/4/98 -0600, you wrote:
>>A while ago I mentioned that a new version of simplgif is available
>>at:
>>
>>ftp://ftp.phoenix.net/pub/USERS/twegner/simplgif.zip
>>
>>This utility combines the images in multiple-image GIFs created with
>>Fractint's "divide-and-conquer" mode.
>>
>>Just curious, is it bug free or have folks just not gotten around to
>>trying it? I'll tell you a secret if you promise not to tell. If
>>you add the -i option to the simplgif command line before the
>>filename arguments, it will produce an interlaced file. But no,
>>Fractint doesn't read interlaced files correctly yet <g!>
>>
>>Tim
>
>
>-
>------------------------------------------------------------
>Thanks for using Fractint, The Fractals and Fractint Discussion List
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From: "Peter Gavin" <pgavin@mindspring.com>
Subject: (fractint) disk-video prob's
Date: 08 Mar 1998 12:43:30 -0500

Excuse the first message's subject... :)  This is the real one...

Pete


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From: Mark Christenson <mchris@hooked.net>
Subject: Re: (fractint) Viewwindows
Date: 08 Mar 1998 09:45:14 -0800

At 11:59 AM 3/8/98 -0500, Michael Traynor wrote:
>While it does not directly address this (though it might if it was placed
>in the pars), you can use fractint's fastrestore option, as described in
>the list of new stuff for 19.6:
>
>"Added command line option 
>  fastrestore=yes...
>  askvideo=no...

Thanks, Michael, it worked for me.  Oddly, though, askvideo behaves
differently in 19.3 and 19.6.  In 19.3, it does what one would like,
resets the viewwindow without complications, but in 19.6 an image 
restored from gif is displayed in the current video mode (as opposed
to the mode it was saved in).  How Fractint performs this feat of magic
without regenerating the image I haven't a clue, but I'd rather it didn't.

For those having trouble with losing slices of images when returning
from option screens or editing the palette, textsafe=no should do the
trick.


Bud


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From: Bob Margolis <rttyman@wwa.com>
Subject: Re: (fractint) anybody try simplgif?
Date: 08 Mar 1998 12:20:09 -0600

Hi Angela & Team Fractals:

Wizzle wrote:
> 
> I downloaded simplegif.zip and would like to try it but am....as
> usual....clueless.  Is there documentation about what simplegif is and how
> to use it somewhere? Basic questions:
> 
> 1. what is simplegif's purpose?
> 2. what are the steps for use?
> 3. any warnings?
> 

According to Fractal Creations (2nd Ed.) by the honorable Tim Wegner and
his trust companion, Bert Tyler, "SIMPLGIF...reads your multi-image GIF
file and uses it to generate a simple, single-image GIF called
SIMPLGIF.GIF...Be aware that this process can be used to generate *huge*
images, and huge images come with corresponding appetites for disk
space...Note that this program needs to create a temporary uncompressed
version of your final image as an intermediate step. In this case, you
really do need 4GB of free disk space for a 64K x 64K image--in addition
to the space taken up by FRACTMIG.GIF and SIMPLGIF.GIF. As a practical
matter, most users of the "divide and conquer" feature should limit
images to a "modest" 4K x 4K or 8K x 8K resolution (which are actually
pretty high resolutions!).

Bob Margolis

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From: Brederlow <goswin.brederlow@student.uni-tuebingen.de>
Subject: Re: (fractint) Aproximating the M-Set with geometrical shapes
Date: 08 Mar 1998 19:24:03 +0100

Jay Hill <jrhill@nosc.mil> writes:

> Rich Thomson wrote:
> >In article <882565B1.00784637.00@NOTESGW.NOSC.MIL> ,
>     "Jay Hill"<jrhill@nosc.mil>  writes:
> >> and approximate formula for the rest.  Is this what you are trying to
> make?
> >>
> >> http://www.geocities.com/CapeCanaveral/Lab/3825/Hulahoop.gif
> >Interesting image Jay; what's its origin?
> 
> >                                               Rich Thomson
> >                                               rthomson@ptc.com
> It is a by-product of the 1993 evaluate the area of the Mandelbrot craze.
> I can display points on boundaries of all (but one*) midgets up to
> period 16 and buds on each to much higher period. The accuracy is
> better than 12 digits, usually more like 16. We are talking about 430809
> components and some days of computing.  >:-(   Limits are basically
> the 80 bit floats on the Intel chips.  The particular image ( Hulahoop.gif)
> does not display all of these.

Could you post a list of the controllpoints for the boundaries?
Best make it a private mail or http/ftp-able, cause its probably
large.

May the Source be with you.
			Mrvn


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From: Bob Margolis <rttyman@wwa.com>
Subject: Re: (fractint) Par
Date: 08 Mar 1998 12:25:19 -0600

Peter Jakubowicz wrote:
> 
> Opus #1            { ; Carmen Miranda Series

Not to be confused with the Opus Series of fractal images that I've been
designing for the past three years, currently part of the Fractal
Excursions show. 8-)

Bob Margolis

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From: Brederlow <goswin.brederlow@student.uni-tuebingen.de>
Subject: Re: (fractint) fractal hardware engine
Date: 08 Mar 1998 19:31:08 +0100

ao950@freenet.carleton.ca (Paul Derbyshire) writes:

> Won't the serial port I/O speed become a serious bottleneck? It must be
> orders of magnitude slower than a PC bus. I wouldn't think all the
> megahertz in the world would make much difference if your FPU communicated to
> the CPU/memory at only 57600 baud...

Considering that one pixel in 19 decimals accuracy at 32000 iterations 
takes about 1 second on my maschine and that you can communicate at up 
to 496000 BAUD over a normal Amiga Serial, thats 62000 Pixel a second
or roughly one 320x200 Picture in one second.

No matter how slow the serial ist, if the conected hardware is fast
enough and complex enough, its a speedup. Of cause its worthless if it 
can't do at least n iterations with m dezimals accuracy by itself.

May the Source be with you.
			Mrvn


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From: Brederlow <goswin.brederlow@student.uni-tuebingen.de>
Subject: Re: (fractint) Arbitrary Precision pisses me off!
Date: 08 Mar 1998 19:48:47 +0100

Hailman@PrepNet.ucc.on.ca writes:

> Sorry bout the subject, but it does. I was generating =9Fberzoomed M-Se=
ts at
> 320x200x256, c. 2,000,000,000 iterations, and suddenly it stopped and n=
o matter
> how long I waited it wouldn't draw another point. I tried again later, =
and at
> 17-decimal arbitrary precision mode, it stopped at the same place. I wa=
ited 24
> hours, and it was still at the same point, with the time around 25:32:0=
0. Is
> there something wrong with my computer, (P133), with Windows 95. It doe=
s the
> same thing in DOS mode too.

Maybe you just hit the M-Set. At 17-decimals and 2,000,000,000 a Point =

in the M-Set will take rather long.

Considering that 2**16 (65536) iterations take about 1 second on your
comp and you are trying to do 2**31 iterations, which will take 32768
seconds a point in the M-Set. 32768 s =3D 546 min =3D 9 hours.

After those 9 hours you should get ONE pixel further.
With 3 Pixels a day (well, lets round up) you would need 21333
days. Lets say half your image is in the M-Set, which gives 10666 days =

=3D 30 years.

I hope you see that you eigther have to decrease the itterations or
get a far bigger maschine. With 17 decimals theres no need for that
many itterations anyway.

May the Source be with you.
			Mrvn

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From: Brederlow <goswin.brederlow@student.uni-tuebingen.de>
Subject: Re: (fractint) Arbitrary Precision pisses me off!
Date: 08 Mar 1998 19:48:47 +0100

Hailman@PrepNet.ucc.on.ca writes:

> Sorry bout the subject, but it does. I was generating =9Fberzoomed M-Se=
ts at
> 320x200x256, c. 2,000,000,000 iterations, and suddenly it stopped and n=
o matter
> how long I waited it wouldn't draw another point. I tried again later, =
and at
> 17-decimal arbitrary precision mode, it stopped at the same place. I wa=
ited 24
> hours, and it was still at the same point, with the time around 25:32:0=
0. Is
> there something wrong with my computer, (P133), with Windows 95. It doe=
s the
> same thing in DOS mode too.

Maybe you just hit the M-Set. At 17-decimals and 2,000,000,000 a Point =

in the M-Set will take rather long.

Considering that 2**16 (65536) iterations take about 1 second on your
comp and you are trying to do 2**31 iterations, which will take 32768
seconds a point in the M-Set. 32768 s =3D 546 min =3D 9 hours.

After those 9 hours you should get ONE pixel further.
With 3 Pixels a day (well, lets round up) you would need 21333
days. Lets say half your image is in the M-Set, which gives 10666 days =

=3D 30 years.

I hope you see that you eigther have to decrease the itterations or
get a far bigger maschine. With 17 decimals theres no need for that
many itterations anyway.

May the Source be with you.
			Mrvn

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From: Brederlow <goswin.brederlow@student.uni-tuebingen.de>
Subject: Re: (fractint) Arbitrary Precision pisses me off!
Date: 08 Mar 1998 19:56:33 +0100

ao950@freenet.carleton.ca (Paul Derbyshire) writes:

> >Sorry bout the subject, but it does. I was generating =9Fberzoomed M-S=
ets at
> >320x200x256, c. 2,000,000,000 iterations, and suddenly it stopped and =
no matter
> >how long I waited it wouldn't draw another point. I tried again later,=
 and at
> >17-decimal arbitrary precision mode, it stopped at the same place. I w=
aited 24
> >hours, and it was still at the same point, with the time around 25:32:=
00. Is
> >there something wrong with my computer, (P133), with Windows 95. It do=
es the
> >same thing in DOS mode too.
> =

> I had this happen also. I reported it, and was told it might be a bug i=
n
> the GIF encoder's fault that can cause a restored half-done image to ha=
ng.
> However, after I pointed out that it happened to a fresh image (not loa=
ded
> as a GIF but started fresh), there has been no response. I suspect a
> rare(?) arbitrary precision bug causing the occasional hang, unrelated =
to
> GIF encoding/decoding.

When a gif is loaded back in xfractint only the lower 16 Bit of the
itteration is restored. When the Image had 65536 itterations set, it
will have 0 itterations after loading and then crash. Its awullfy
buggy.

May the Source be with you.
			Mrvn

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From: Wizzle <wizzle@cci-internet.com>
Subject: (fractint) documentation
Date: 08 Mar 1998 11:12:03 -0800

I've been reading the documentation for fractint (!!!!!!!!!)
Goodness.....it's wonderful!! 

I must say I still don't understand some of it....but it's much more
meaningful than when I started using Fractint a year ago....documentation
for a graphics program is about as hard a problem as there is, I think.
Thank you Stone Soup Group. 

I noticed in my reading a new-ish standard formula....voltera_lotta or
something like that. Really neat!! First try outta the box yielded this image

wizvoltera_lotta   { ; wizzle 3/7/98 w. creams4.map 
                     ; something different
  reset=1960 type=volterra-lotka
  center-mag=+1.04755944931163900/+1.38606010016694400/0.9661836/1/-90
  params=0.739/0.5 float=y colors=@creams4.map
  }

The color map is a really good one to re-do in other colors.  It is what I
think of as a "blacks" map.....yup....lots of black here and there.  It was
part of my "cream and gold" period....I'm now in my "grey" period. It
cycles nicely too....so do try that....there is an amber-ish point, even.

Speaking of amber....Pete

Did you get anything close to what you were visualizing for bugs in amber? 

Angela

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From: Brederlow <goswin.brederlow@student.uni-tuebingen.de>
Subject: Re: (fractint) Re: A Geom Construction of the M-set
Date: 08 Mar 1998 20:07:39 +0100

Jason Hine <tumnus@together.net> writes:

> To all interested,
> 
> Ok, I've got a few pictures to help with my description of how to find the
> tangent points for all the bulbs off the main cardioid.  I'm not sure where to
> take it from here... I can see how the buds off the period 2 bulb might be
> described, but what about period 3?  How does one describe the line which
> represents the 'x-axis' for the period 3 bulb?  I'd check out relative areas of
> bulbs, but I think this has already been done - anyone have two cents to add?
> 
> Anyway, For a mediocre improvement of my last couple emails on this subject,
> check out:
> 
> http://boralf.agsci.colostate.edu/~jason/fracpages/geo_mset.htm

And how can one determine the radius of the bulbs? Witout that it
would mean nothing to now the tangent points.

May the Source be with you.
			Mrvn


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From: Mark Christenson <mchris@hooked.net>
Subject: Re: (fractint) Viewwindows / correction
Date: 08 Mar 1998 11:10:59 -0800

At 09:45 AM 3/8/98 -0800, I wrote:
>Oddly, though, askvideo behaves
>differently in 19.3 and 19.6.  In 19.3, it does what one would like,
>resets the viewwindow without complications, but in 19.6 an image 
>restored from gif is displayed in the current video mode (as opposed
>to the mode it was saved in).  

This applies to restores from GIF, in both cases.  Of course, askvideo
has no effect (good or bad) on restores from PAR.

>For those having trouble with losing slices of images when returning
>from option screens or editing the palette...

I think I meant "loading a new palette", which is just another option
screen.


Bud


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From: "Tim Wegner" <twegner@phoenix.net>
Subject: (fractint) How to use simplgif (long)
Date: 08 Mar 1998 13:18:47 -0600

Wizzle asked:

> 1. what is simplegif's purpose?

The main purpose of simplgif is to convert a multiple image GIF file 
to a single image GIF. A multiple image GIF is a single file, but 
within that file are separate images. The reason you might want to 
do this is if you wanted to make a super resolution image.

Suppose you have just created the world's most dazzling fractal, and 
you want to create a wall-sized version of it for your exhibition at 
the Metropolitan Museum.

You might do the following steps. (In real life you can use a higher 
resolution - this is just a low resolution example for you to 
follow).

a. Generate a relatively low resolution version of your fractal, say 
320x200 (F3)

b. press <b> to take you to the screen that generates PAR files (The 
"Save Current Parameters" screen.

For safety, enter the name of a brand new PAR file. At the bottom, 
enter integral values for "X Multiples" and "Y Multiples". If you 
used 2 and 2, this would result in a final image of 640x400.

After you press <enter>, exit Fractint, and in addition to a PAR file 
you will see the file makemig.bat in the current directory. The 
contents of this file is:

Fractint batch=yes overwrite=yes @fractint.par/test_00
If Errorlevel 2 goto oops
Fractint batch=yes overwrite=yes @fractint.par/test_01
If Errorlevel 2 goto oops
Fractint batch=yes overwrite=yes @fractint.par/test_10
If Errorlevel 2 goto oops
Fractint batch=yes overwrite=yes @fractint.par/test_11
If Errorlevel 2 goto oops
Fractint makemig=2/2
Rem Simplgif fractmig.gif simplgif.gif  in case you need it
:oops

The first lines of this batch file generate four 320x200 images that 
each contain 1/4 of your total image.

The line

Fractint makemig=2/2

combines these images into a  multiple-image GIF file called
fractmig.gif. Unfortunately most service bureaus who print images
have never heard of a multiple image GIF. (You can view it in 
Fractint though - you will see the images added the the total 
image one piece at a time - try it.) This is where simplgif comes 
in. The last line of the batch file, which is commented out, invokes 
simplgif. If you uncommented it, it would look like:

Simplgif fractmig.gif simplgif.gif

This simply converts the multiple image GIF file fractmig.gif (the 
file with fractint creates using that name) to a single image GIF 
called simplgif.gif (or any other name you used as the second 
parameter).

This example is silly because it only results in a 640x400 image. The 
real excitement happens when you use a video mode of 
something like 1600x1200 and, say, multiples of 4x4. This would 
result in a final image of 6400x4800, which is a seriously high 
resolution. You might want to go higher.

The earlier simplgif released with version 19.6 had various problems 
with some images. The new simplgif is rock solid and capable of up to 
32000x32000 pixels IF you have enough disk space for the temporary 
file. For that huge size the temporary file would be about a 
gigabyte, which is no longer out of the question with today's disk 
drives. A more practical limitation is the maximum image size a 
service bureau who prints your image can take. Up to 16K pixels isn't 
too hard to find, and an image that big looks good blown up to wall 
sized. Jon Noring and others have made images for exhibitions that 
big. Maybe Lee Skinner can tell us his experience.

I hope this helps. Try the simplfied example, then when you have lots 
of free disk space and time. try a larger resolution.

Tim Wegner




 (A  , which
> 2. what are the steps for use?
> 3. any warnings?
> 
> Angela
> 
> At 09:37 PM 3/4/98 -0600, you wrote:
> >A while ago I mentioned that a new version of simplgif is available 
> >at:
> >
> >ftp://ftp.phoenix.net/pub/USERS/twegner/simplgif.zip
> >
> >This utility combines the images in multiple-image GIFs created with 
> >Fractint's "divide-and-conquer" mode.
> >
> >Just curious, is it bug free or have folks just not gotten around to 
> >trying it? I'll tell you a secret if you promise not to tell. If 
> >you add the -i option to the simplgif command line before the 
> >filename arguments, it will produce an interlaced file. But no, 
> >Fractint doesn't read interlaced files correctly yet <g!>
> >
> >Tim
> 
> 
> -
> ------------------------------------------------------------
> Thanks for using Fractint, The Fractals and Fractint Discussion List
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From: "Lavondyss" <Nhan.H.Nguyen-1@tc.umn.edu>
Subject: RE: (fractint) documentation
Date: 08 Mar 1998 13:31:03 

Wizzle

Yeah, it does help if one reads the manuals. I haven't read all of the 
fractal stuff. Especially about writing your own formula files. Hehehe. I 
don't know how to program. But I assume it's fairly difficult. I'm a chemist 
mind you. Computer related subjects are just my hobby as well as graphics. 

Speaking of which, I might be getting a newer, faster computer soon. I'm 
still running at P100Mhz, 2.1G, 64MB RAM. What is everyone else running at?
I've gotta admit, my computer does run smoother than some new ones. It 
doesn't crash as often and doesn't freeze as often either. I brought the 
Fractint program to work and loaded it onto a p233 or higher and those 
perform slightly better than the one I have now. I thought they would 
perform astoundingly. Is that due to the program or the computer? 


-Lavondyss




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From: Theran Cochran <theranc@geocities.com>
Subject: (fractint) DJGPP
Date: 08 Mar 1998 15:44:33 -0500

I'm pretty sure that someone has asked this before, but I'll try
anyways.

Will Fractint compile with DJGPP? I want to try my hand at adding PNG
support, but Fractint is a real mode program and DJGPP makes 32 bit
protected mode exe's. The C part would probably compile OK, but I don't
know about the assembler. It would be nice to know before going through
the trouble of downloading, unpacking, and rewriting the makefiles.

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From: Peter Jakubowicz <pfjakub@earthlink.net>
Subject: Re: (fractint) How to use simplgif (long)
Date: 08 Mar 1998 17:34:51 -0800

Tim,

>The main purpose of simplgif is to convert a multiple image GIF file 
>to a single image GIF. 

I have a bunch of new Fractint images I want to generate at 1600 x 1200 and
then reduce to 640 x 480 (for anti-aliasing) for my web page. So if I make
a mulipart GIF with simplegif will I then be able to load that into Picture
Publisher whence I can reduce their size? 

Also, if this can be done, I am wondering how long this tends to take to do
per image (say, on a Pentium/166). If they do not take too long, I wld be
interested in checking whether either the DJGPP-compiled or the
MSVC++-compiled executable is faster.    


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From: "Damien M. Jones" <dmj@fractalus.com>
Subject: Re: (fractint) How to use simplgif (long)
Date: 08 Mar 1998 16:50:49 -0600

Peter,

 - I have a bunch of new Fractint images I want to generate at 1600 x 1200 and
 - then reduce to 640 x 480 (for anti-aliasing) for my web page.

You don't need SIMPLGIF for that.  I do this sort of thing all the time
(although I don't use Picture Publisher to resize).

 - So if I make a mulipart GIF with simplegif will I then be able to load that
 - into Picture Publisher whence I can reduce their size? 

SIMPLGIF doesn't make multi-part GIFs, it takes multi-part GIFs built with
FractInt's divide & conquer process and creates a *simple* GIF, one that
any program with GIF support will read.  I have used this process before,
and most programs do not support the multi-part GIF properly.  SIMPLGIF is
essential.

 - Also, if this can be done, I am wondering how long this tends to take to do
 - per image (say, on a Pentium/166).

It depends very much on the image.  I have images which render at 1600x1200
in a matter of minutes on my P166; I have others which take hours.

Damien M. Jones   \\
dmj@fractalus.com  \\  http://www.icd.com/tsd/ (temporary sanity designs)
                    \\  http://www.fractalus.com/ (fractals are my hobby)

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From: Peter Jakubowicz <pfjakub@earthlink.net>
Subject: (fractint) banana bug par
Date: 08 Mar 1998 19:17:11 -0800

Opus #44           { ; The Bug Series (Banana Bug in Amber)
                     ; Not to be confused w/ Fractal Excursions, or w/ Bach's
                     ; sixth suite for unaccompanied cello
  reset=1960 type=formula formulafile=*.frm
  formulaname=tri-fn+fn function=cosxx/log
  center-mag=-0.168051/0.00386238/0.6915625/1/90 params=16/4/0.5/0
  float=y maxiter=1024 outside=summ decomp=256 periodicity=0
  colors=000T90<199>zz0000<37>000R50<13>T80
  }


frm:tri-fn+fn    { ; Sylvie Gallet <sylvie_gallet@compuserve.com>, May 1997
               ; Thanks to Kerry Mitchell for the idea!
               ; real(p1) = bailout
               ; imag(p1) must be different from 0 (>=1 recommended)
               ; z=fn1(z) + p2*fn2(z)
   ; This formula must be used with decomp = 256 and periodicity = 0
   ;
   z1 = pixel , mz1 = cabs(z1) , summ = iter = 0
   b1 = abs(real(p1)) , f = b1^0.1
   b2 = b1*f , b3 = b2*f , b4 = b3*f , b5 = b4*f , b6 = b5*f
   b7 = b6*f , b8 = b7*f , b9 = b8*f , b10 = b9*f , b11 = b10*f
   iter1 = iter2 = iter3 = iter4 = iter5 = iter6 = iter7       \
         = iter8 = iter9 = iter10 = summ_tot = iter_tot = 0
   k = imag(p1) * (0.0,6.28319530718)
   :
   iter = iter + 1 , za = fn1(z1) , a = cabs(za)
   zb = p2*fn2(z1) , b = cabs(zb)
   z1 = za + zb , mz1 = cabs(z1) , a_b = abs(a - b)
   summ = summ + (mz1 - a_b) / (a+b - a_b)
   IF (mz1 > b1)
    IF (iter1==0)
     iter1 = iter
     iter_tot = iter_tot + iter1 , summ_tot = summ_tot + summ
    ENDIF
    IF (mz1 > b2)
     IF (iter2==0)
      iter2 = iter
      iter_tot = iter_tot + iter2 , summ_tot = summ_tot + summ
     ENDIF
     IF (mz1 > b3)
      IF (iter3==0)
       iter3 = iter
       iter_tot = iter_tot + iter3 , summ_tot = summ_tot + summ
      ENDIF
      IF (mz1 > b4)
       IF (iter4==0)
        iter4 = iter
        iter_tot = iter_tot + iter4 , summ_tot = summ_tot + summ
       ENDIF
       IF (mz1 > b5)
        IF (iter5==0)
         iter5 = iter
         iter_tot = iter_tot + iter5 , summ_tot = summ_tot + summ
        ENDIF
        IF (mz1 > b6)
         IF (iter6==0)
          iter6 = iter
          iter_tot = iter_tot + iter6 , summ_tot = summ_tot + summ
         ENDIF
         IF (mz1 > b7)
          IF (iter7==0)
           iter7 = iter
           iter_tot = iter_tot + iter7 , summ_tot = summ_tot + summ
          ENDIF
          IF (mz1 > b8)
           IF (iter8==0)
            iter8 = iter
            iter_tot = iter_tot + iter8 , summ_tot = summ_tot + summ
           ENDIF
           IF (mz1 > b9)
            IF (iter9==0)
             iter9 = iter
             iter_tot = iter_tot + iter9 , summ_tot = summ_tot + summ
            ENDIF
            IF (mz1 > b10)
             IF (iter10==0)
              iter10 = iter
              iter_tot = iter_tot + iter10 , summ_tot = summ_tot + summ
             ENDIF
             IF (mz1 > b11)
              iter_tot = iter_tot + iter , summ_tot = summ_tot + summ
              z = exp (summ_tot * k / iter_tot)
             ENDIF
            ENDIF
           ENDIF
          ENDIF
         ENDIF
        ENDIF
       ENDIF
      ENDIF
     ENDIF
    ENDIF
   ENDIF
   mz1 <= b11
   }



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-------------------------------------------------------------------------------

From: "Peter Gavin" <pgavin@mindspring.com>
Subject: (fractint) Bug report, I think?...
Date: 08 Mar 1998 19:26:33 -0500

I got this wierd as heck looking picture using the params given in this
par...  It must be a bug.  If not, it's the wierdest looking julia set I've
EVER seen!!!  Really, you MUST see this.  Plug it in, and tell me what
happens.  I won't tell you now, but I will once you email me back.  I want
to find out if it's just my computer, or something.

I insist you try it out!!!
Pete

WhatTheHell Julia  {
  reset=1960 type=julia passes=1
  corners=-1.0128777921781637e-008/-1.0115340421781637e-008/2.379957685677\
  4754e-008/2.3809654981774755e-008
  params=-0.5059243436387786/0.6932148034001859 float=y maxiter=65536
  inside=0 logmap=1114 symmetry=none periodicity=4
  colors=000U0U<12>303000000<14>zzzzzz<14>GGG<13>333222000000<13>0ET0GW0GW\
  <13>023000000<14>kW0kW0<14>000000<13>T00W00W00<13>w0uz0zz0z<14>zzzzzz<14\
  >000<60>U0UU0UV0VW0W
  }




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-------------------------------------------------------------------------------

From: "Jay Hill" <ehill1@san.rr.com>
Subject: Re: (fractint) Bug report, I think?...
Date: 08 Mar 1998 16:55:20 -0800

Hi Pete,

The problem is that 

"Floating-point flag is activated"

and it should be arbitrary at this point. Even zooming in more
does not activate it though.

I went to the MSet (hit space bar) and tried another Julia.
It did switch to arbitrary precision after zooming to about 
the depth of yours.

Jay

----------
> From: Peter Gavin <pgavin@mindspring.com>
> To: FractInt Mailing List <fractint@xmission.com>
> Subject: (fractint) Bug report, I think?...
> Date: Sunday, March 08, 1998 4:26 PM
> 
> I got this wierd as heck looking picture using the params given in this
> par...  It must be a bug.  If not, it's the wierdest looking julia set I've
> EVER seen!!!  Really, you MUST see this.  Plug it in, and tell me what
> happens.  I won't tell you now, but I will once you email me back.  I want
> to find out if it's just my computer, or something.
> 
> I insist you try it out!!!
> Pete
> 
> WhatTheHell Julia  {
>   reset=1960 type=julia passes=1
>   corners=-1.0128777921781637e-008/-1.0115340421781637e-008/2.379957685677\
>   4754e-008/2.3809654981774755e-008
>   params=-0.5059243436387786/0.6932148034001859 float=y maxiter=65536
>   inside=0 logmap=1114 symmetry=none periodicity=4
>   colors=000U0U<12>303000000<14>zzzzzz<14>GGG<13>333222000000<13>0ET0GW0GW\
>   <13>023000000<14>kW0kW0<14>000000<13>T00W00W00<13>w0uz0zz0z<14>zzzzzz<14\
>   >000<60>U0UU0UV0VW0W
>   }


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-------------------------------------------------------------------------------

From: Lee Skinner <LeeHSkinner@compuserve.com>
Subject: (fractint) documentation
Date: 08 Mar 1998 20:02:47 -0500

HI Wiz,

>>wizvoltera_lotta   { ; wizzle 3/7/98 w. creams4.map
                     ; something different
  reset=3D1960 type=3Dvolterra-lotka
  center-mag=3D+1.04755944931163900/+1.38606010016694400/0.9661836/1/-90
  params=3D0.739/0.5 float=3Dy colors=3D@creams4.map
  }

The color map is a really good one to re-do in other colors.  It is what =
I
think of as a "blacks" map.....yup....lots of black here and there.  It w=
as
part of my "cream and gold" period....I'm now in my "grey" period. It
cycles nicely too....so do try that....there is an amber-ish point, even.=
<<

For those of us that don't have creams4.map, could you repost this par wi=
th
all the colors, please?  Thanks,

Lee

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-------------------------------------------------------------------------------

From: "Peter Gavin" <pgavin@mindspring.com>
Subject: Re: (fractint) Bug report, I think?...
Date: 08 Mar 1998 20:16:30 -0500

Ignore this post, unless you want a good laff... : )

Pete

-----Original Message-----


>Hi Pete,
>
>The problem is that
>
>"Floating-point flag is activated"
>
>and it should be arbitrary at this point. Even zooming in more
>does not activate it though.
>
>I went to the MSet (hit space bar) and tried another Julia.
>It did switch to arbitrary precision after zooming to about
>the depth of yours.
>
>Jay
>
>----------
>> From: Peter Gavin <pgavin@mindspring.com>
>> To: FractInt Mailing List <fractint@xmission.com>
>> Subject: (fractint) Bug report, I think?...
>> Date: Sunday, March 08, 1998 4:26 PM
>>
>> I got this wierd as heck looking picture using the params given in this
>> par...  It must be a bug.  If not, it's the wierdest looking julia set
I've
>> EVER seen!!!  Really, you MUST see this.  Plug it in, and tell me what
>> happens.  I won't tell you now, but I will once you email me back.  I
want
>> to find out if it's just my computer, or something.
>>
>> I insist you try it out!!!
>> Pete
>>
>> WhatTheHell Julia  {
>>   reset=1960 type=julia passes=1
>>
corners=-1.0128777921781637e-008/-1.0115340421781637e-008/2.379957685677\
>>   4754e-008/2.3809654981774755e-008
>>   params=-0.5059243436387786/0.6932148034001859 float=y maxiter=65536
>>   inside=0 logmap=1114 symmetry=none periodicity=4
>>
colors=000U0U<12>303000000<14>zzzzzz<14>GGG<13>333222000000<13>0ET0GW0GW\
>>
<13>023000000<14>kW0kW0<14>000000<13>T00W00W00<13>w0uz0zz0z<14>zzzzzz<14\
>>   >000<60>U0UU0UV0VW0W
>>   }
>
>
>-
>------------------------------------------------------------
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-------------------------------------------------------------------------------

From: Genealogy1 <Genealogy1@aol.com>
Subject: (fractint) A Julia variant ?
Date: 08 Mar 1998 20:46:55 EST

A Julia variant? Takes about 20 minutes on a Pentium 166 at a resolution of
1600 X 1200. Looks best at higher resolutions.

--Bob Carr--

Carr3371(YAXIS){;Modified Sylvie Gallet frm.1996
;passes=1 needs to be used with this PHC formula
pixel=-abs(real(pixel))+flip(imag(pixel))
b6=conj(0.1/pixel),b7=flip(0.01/pixel),b8=cabs(0.002/pixel+cabs(0.002/pixel))
b4=abs(conj(conj(pixel^2)))*conj(flip(pixel^3))-conj(0.1/pixel-
flip(0.01/pixel))
b5=conj(conj(pixel^3))*cabs(pixel+0.125)^4-b7-b6+1.75*b8-0.2
c=whitesq*b4-(whitesq==0)*b4
z=whitesq*b5^0.7456-(whitesq==0)*b5
c1=1.5*z^1.2,c2=2.25*z,c3=3.375*z,c4=5.0625*z
l1=real(p1),l2=imag(p1),l3=real(p2),l4=imag(p2)
bailout=16,iter=0:
t1=(iter==l1),t2=(iter==l2),t3=(iter==l3),t4=(iter==l4)
t=1-(t1||t2||t3||t4),z=z*t,c=c*t+c1*t1+c2*t2+c3*t3+c4*t4
z=z*z+(-0.7456,-0.13214)+conj(c/10)
iter=iter+1
(conj(|z|))<=bailout
}

Carr3371          { ; Julia variant ?
                         ; Copyright (c) 1998 Robert W. Carr, M.D.
  reset=1960 type=formula formulafile=43gCarr.frm formulaname=Carr3371
  passes=1 center-mag=0.0010622/-0.00591256/0.8687799
  params=200/300/400/550 float=y maxiter=647 periodicity=0
  colors=000<3>000C00<9>Z00`00`45<8>Xcr<9>`00<11>0000FM<12>zz0<10>`00<7>zy\
  n<8>yUF<7>x4R<7>S6TO7TK7TG7UC5M83F427<14>VEtXFwZIv<14>zyn000<13>Xcr<15>0\
  00232<10>5Pw<6>zo`<5>5Pw<6>000CC9<14>zyn<8>XFw<4>XVsXYsX`rXcrV`o<13>16F
  }





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-------------------------------------------------------------------------------

From: "Jay Hill" <ehill1@san.rr.com>
Subject: Re: (fractint) Arbitrary Precision 
Date: 08 Mar 1998 19:27:40 -0800

> From: Brederlow <goswin.brederlow@student.uni-tuebingen.de>
> Hailman@PrepNet.ucc.on.ca writes:
>=20
> > Sorry bout the subject, but it does. I was generating =9Fberzoomed M-=
Sets at
> > 320x200x256, c. 2,000,000,000 iterations, and suddenly it stopped and=
 no
matter
> > how long I waited it wouldn't draw another point. I tried again later=
, and
at
> > 17-decimal arbitrary precision mode, it stopped at the same place. I =
waited
24
> > hours, and it was still at the same point, with the time around 25:32=
:00.
Is

Where is this point. You should post the par.  To be hung up this long wi=
thout=20
being a bug would require the point being VERY accurately on the edge of =
the
MSet. These points are quasichaotic, never converge nor diverge.=20

> > there something wrong with my computer, (P133), with Windows 95. It d=
oes
the
> > same thing in DOS mode too.
>=20
> Maybe you just hit the M-Set. At 17-decimals and 2,000,000,000 a Point=20
> in the M-Set will take rather long.
>=20

We should be getting more than a million iterations per second.  Over on =
the=20
development lists they are bragging about 10 cycle iteration times. So wi=
th=20
a P100 that would be 10,000,000 iterations/sec or 200 sec per point at=20
2,000,000,000 iterations using floating point.  If you failed to back off
enough,
you might still be in arbitrary precision math.=20

Has anyone benchmarked iterations per second for arbitrary precision math
just after you leave double?

>=20
> I hope you see that you either have to decrease the iterations or
> get a far bigger machine. With 17 decimals there is no need for that
> many iterations anyway.

If you are using period detection, the limit of 2,000,000,000 would occur
very rarely. The amount of time spent above what looks good and what
hits the limit is normally small.

Jay



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From: "Brian E. Jones" <bejones@netunlimited.net>
Subject: Re: (fractint) A Julia variant ?
Date: 08 Mar 1998 22:43:06 -0500

Hi Doc,

>>A Julia variant?<<

Cool image, Doc!

Brian
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From: "Justin A. Kolodziej" <4wg7kolodzie@vms.csd.mu.edu>
Subject: Re: (fractint) Bug report, I think?...
Date: 09 Mar 1998 01:39:15 -0600

Peter Gavin wrote:
> 
> I got this wierd as heck looking picture using the params given in this
> par...  It must be a bug.  If not, it's the wierdest looking julia set I've
> EVER seen!!!  Really, you MUST see this.  Plug it in, and tell me what
> happens.  I won't tell you now, but I will once you email me back.  I want
> to find out if it's just my computer, or something.
> 
> I insist you try it out!!!
> Pete

Yep, looks like we got a major problem here.  Even on Linux and
XFractint.  Something's definitely the wrong precision.

Regarding the arbitrary precision, it doesn't make the switch until a
"mag" on the order of 10^21, where it suddenly jumps to 26 decimals!!! 
Then the strange thing is that when you zoom back out, it stays at
arbitrary until you get down to below 17 decimals, the pops back into
floating point.

There is good news, however.  There is a way to control where the
switchovers occur between floating-point and arbitrary precision. 
Unfortunately, I couldn't find it in the XFractint help files.  Perhaps
someone else would like to help out???

Justin K.

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From: Brederlow <goswin.brederlow@student.uni-tuebingen.de>
Subject: Re: (fractint) Arbitrary Precision
Date: 09 Mar 1998 13:37:22 +0100

Jay Hill <ehill1@san.rr.com> writes:

> > From: Brederlow <goswin.brederlow@student.uni-tuebingen.de>
> > Hailman@PrepNet.ucc.on.ca writes:
> > =

> > > Sorry bout the subject, but it does. I was generating =9Fberzoomed =
M-Sets at
> > > 320x200x256, c. 2,000,000,000 iterations, and suddenly it stopped a=
nd no
> matter
> > > how long I waited it wouldn't draw another point. I tried again lat=
er, and
> at
> > > 17-decimal arbitrary precision mode, it stopped at the same place. =
I waited
> 24
> > > hours, and it was still at the same point, with the time around 25:=
32:00.
> Is
> =

> Where is this point. You should post the par.  To be hung up this long =
without =

> being a bug would require the point being VERY accurately on the edge o=
f the
> MSet. These points are quasichaotic, never converge nor diverge. =

> =

> > > there something wrong with my computer, (P133), with Windows 95. It=
 does
> the
> > > same thing in DOS mode too.
> > =

> > Maybe you just hit the M-Set. At 17-decimals and 2,000,000,000 a Poin=
t =

> > in the M-Set will take rather long.
> > =

> =

> We should be getting more than a million iterations per second.  Over o=
n the =

> development lists they are bragging about 10 cycle iteration times. So =
with =

> a P100 that would be 10,000,000 iterations/sec or 200 sec per point at =

> 2,000,000,000 iterations using floating point.  If you failed to back o=
ff
> enough,
> you might still be in arbitrary precision math. =

> =

> Has anyone benchmarked iterations per second for arbitrary precision ma=
th
> just after you leave double?

I think 2**16 iterations per second is a good guess for arbitrary
precision with 17 digits, which would make it 9 hours a pixel and
about 3 pixels a day at 2**31 iterations.

> > I hope you see that you either have to decrease the iterations or
> > get a far bigger machine. With 17 decimals there is no need for that
> > many iterations anyway.
> =

> If you are using period detection, the limit of 2,000,000,000 would occ=
ur
> very rarely. The amount of time spent above what looks good and what
> hits the limit is normally small.

Murphys Law: It will occur!

And then you have to wait 9 hours.

How good is the period detection with 17 decimals precision? Points on =

the edge of the M-Set will converge slowly to the fix points and they
will most likely have a high period. Say you have a period of 50, then =

the period seen by the periodicy check could be >1000 because of
rounding errors. Also it could take millions of iterations until the
periodicy becomes clear.

Remember, some points converge real slowly towards their periodic
points and that will be the points you are zooming into, because there =

lie the intresting parts.


What would realy help here, would be SOI (Simultanious Orbital
Itteration). It does a bunch of iterations for 9 control points of a
rectangle and then divides it into 4 smaler rectangles doing another
bunch of iterations. The speedup of this method is poor for the
complete M-Set and the first zooms, but the deep one goes, the better
it gets. Its speedup grows with zoom and not decreases like the
methods fractint knows currently.

May the Source be with you.
			Mrvn

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From: Genealogy1 <Genealogy1@aol.com>
Subject: Re: (fractint) A Julia variant ?
Date: 09 Mar 1998 08:33:57 EST

In a message dated 98-03-08 22:44:03 EST, you write:

<< >>A Julia variant?<<
 
 Cool image, Doc! >>

Thanks Brian.

--Doc--

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From: Wizzle <wizzle@cci-internet.com>
Subject: (fractint) par with colors
Date: 09 Mar 1998 07:15:16 -0800

Ooops...

I posted a par without the colors.......I believe I was the victim of the
infamous "I forgot to switch no to yes bug!!"

wizvoltera_lotta   { ; wizzle 3/7/98 w. creams4.map 
                     ; something different
  reset=1960 type=volterra-lotka
  center-mag=+1.04755944931163900/+1.38606010016694400/0.9661836/1/-90
  params=0.739/0.5 float=y
  colors=000<11>000<2>A0AD0EH0IK0MN0P<8>p0v<9>K0MH0IG0ME1Q<6>2o`0wb0u`<16>\
  4D2<23>zwl<12>KA0000<48>000330<17>000KA3<13>zzb<15>A00D00<14>z0J<12>A070\
  03000<19>000
  }

This is the part with my creams4.map

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From: Wizzle <wizzle@cci-internet.com>
Subject: Re: (fractint) A Julia variant ?
Date: 09 Mar 1998 07:36:32 -0800

I tried several times to see the par posted with this formula but got an
error(0) and error (3).  I believe the errors were trying to tell me to put
a ) somewhere, but not being familiar with formula syntax, I'm not sure
just what to do to fix the problem or if there even is one.  Did anyone
else have this difficulty?

Angela

>--Bob Carr--
>
>Carr3371(YAXIS){;Modified Sylvie Gallet frm.1996
>;passes=1 needs to be used with this PHC formula
>pixel=-abs(real(pixel))+flip(imag(pixel))
>b6=conj(0.1/pixel),b7=flip(0.01/pixel),b8=cabs(0.002/pixel+cabs(0.002/pixel))
>b4=abs(conj(conj(pixel^2)))*conj(flip(pixel^3))-conj(0.1/pixel-
>flip(0.01/pixel))
>b5=conj(conj(pixel^3))*cabs(pixel+0.125)^4-b7-b6+1.75*b8-0.2
>c=whitesq*b4-(whitesq==0)*b4
>z=whitesq*b5^0.7456-(whitesq==0)*b5
>c1=1.5*z^1.2,c2=2.25*z,c3=3.375*z,c4=5.0625*z
>l1=real(p1),l2=imag(p1),l3=real(p2),l4=imag(p2)
>bailout=16,iter=0:
>t1=(iter==l1),t2=(iter==l2),t3=(iter==l3),t4=(iter==l4)
>t=1-(t1||t2||t3||t4),z=z*t,c=c*t+c1*t1+c2*t2+c3*t3+c4*t4
>z=z*z+(-0.7456,-0.13214)+conj(c/10)
>iter=iter+1
>(conj(|z|))<=bailout
>}


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From: kragen@pobox.com (Kragen)
Subject: Re: (fractint) Continuation
Date: 09 Mar 1998 10:26:17 -0500 (EST)

On Fri, 6 Mar 1998, Ray Montgomery wrote:
>         The final 'gist' of my posting is, - it takes a special type of
> person who can put up with teaching a 'kindergartner' of 'first-grader' -
> "Shoe?"  "Yes, you're right, shoe!"  But if anybody out there has the
> patience to put up with it, I'd like to start asking some very basic and
> fundamental questions.  

No problem!  This is always the case with computer stuff -- the vast
majority of people have an enormous amount to learn.  I'm always
teaching the basics anyway.

Also, your questions may provide a good basis for a
Fractint-beginner-FAQ.

> But, I would beg anyone who would be willing to answer to phrase the
> answer so that an 'Old-man' kindergartner' would be able to understand.

I'll do my best :)

I'm sure you'll be beyond the point where I can help you in a couple of
months anyway :)

Kragen


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From: "Brian E. Jones" <bejones@netunlimited.net>
Subject: Re: (fractint) A Julia variant ?
Date: 09 Mar 1998 10:34:12 -0500

Hi Wiz,

When I got the error, I noticed that this part

b4=abs(conj(conj(pixel^2)))*conj(flip(pixel^3))-conj(0.1/pixel-
flip(0.01/pixel))

wrapped for some reason.

This should work for you:

Carr3371(YAXIS){;Modified Sylvie Gallet frm.1996
;passes=1 needs to be used with this PHC formula
pixel=-abs(real(pixel))+flip(imag(pixel))
b6=conj(0.1/pixel),b7=flip(0.01/pixel),b8=cabs(0.002/pixel+cabs(0.002/pixel)
)
b4=abs(conj(conj(pixel^2)))*conj(flip(pixel^3))-conj(0.1/pixel-flip(0.01/pix
el))
b5=conj(conj(pixel^3))*cabs(pixel+0.125)^4-b7-b6+1.75*b8-0.2
c=whitesq*b4-(whitesq==0)*b4
z=whitesq*b5^0.7456-(whitesq==0)*b5
c1=1.5*z^1.2,c2=2.25*z,c3=3.375*z,c4=5.0625*z
l1=real(p1),l2=imag(p1),l3=real(p2),l4=imag(p2)
bailout=16,iter=0:
t1=(iter==l1),t2=(iter==l2),t3=(iter==l3),t4=(iter==l4)
t=1-(t1||t2||t3||t4),z=z*t,c=c*t+c1*t1+c2*t2+c3*t3+c4*t4
z=z*z+(-0.7456,-0.13214)+conj(c/10)
iter=iter+1
(conj(|z|))<=bailout
}

I also noticed that when switching to viewwindows, it gives an error 4
(undefined operator) regarding the color info.  I have the par and frm in a
par file.

Does anyone know if this is a bug of some sort?

Brian
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-
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-------------------------------------------------------------------------------

From: George Martin <76440.1143@compuserve.com>
Subject: (fractint) Carr3371
Date: 09 Mar 1998 10:55:49 -0500

Friends,

Here is an "if..else" rewrite of Bob's recently posted formula:


Carr3371 (YAXIS) {; Modified Sylvie Gallet frm.1996
                  ; Rewritten for if..else by George Martin 3/9/98
                  ; passes=1 needs to be used with this PHC formula
  pixel=-abs(real(pixel))+flip(imag(pixel))
  tenthinvpixel = .1/pixel
  b6=conj(tenthinvpixel) 
  b7=flip(.1*tenthinvpixel) 
  b8=cabs(.02*tenthinvpixel+cabs(0.02*tenthinvpixel))
  b4=abs(pixel^2)*conj(flip(pixel^3))\
     -conj(tenthinvpixel-flip(0.1*tenthinvpixel))
  b5=(pixel^3)*cabs(pixel+0.125)^4-b7-b6+1.75*b8-0.2
  IF (whitesq)
    z = origz = b5^0.7456
    c = (-0.7456,-0.13214)+conj(.1*b4)
  ELSE
    z = origz = -b5
    c = (-0.7456,-0.13214)+conj(.1*(-b4))
  ENDIF
  bailout=16, imagp1 = imag(p1), imagp2 = imag(p2), iter=0
  :
  IF (iter == p1)
    z=0
    c=(-0.7456,-0.13214)+conj(.15*origz^1.2)     
  ELSEIF (iter == imagp1)
    z=0
    c=(-0.7456,-0.13214)+conj(.225*origz)   
  ELSEIF (iter == p2)
    z=0
    c=(-0.7456,-0.13214)+conj(.3375*origz)   
  ELSEIF (iter == imagp2)
    z=0
    c=(-0.7456,-0.13214)+conj(.50625*origz)   
  ENDIF
  z=z*z+c
  iter=iter+1
  |z|<=bailout
}


George Martin

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From: "Damien M. Jones" <dmj@fractalus.com>
Subject: Re: (fractint) Arbitrary Precision 
Date: 09 Mar 1998 10:38:40 -0600

Jay,

 - We should be getting more than a million iterations per second.  Over on
 - the development lists they are bragging about 10 cycle iteration times.

Those times are for double precision, not arbitrary precision.  Apples and
oranges.

Damien M. Jones   \\
dmj@fractalus.com  \\  http://www.icd.com/tsd/ (temporary sanity designs)
                    \\  http://www.fractalus.com/ (fractals are my hobby)

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From: "James R. McKenzie" <whookam88@yahoo.com>
Subject: Re: (fractint) par with colors
Date: 09 Mar 1998 09:04:37 -0800 (PST)






---Wizzle <wizzle@cci-internet.com> wrote:
>
> Ooops...
> 
> I posted a par without the colors.......I believe I was the victim
of the
> infamous "I forgot to switch no to yes bug!!"
> 
> wizvoltera_lotta   { ; wizzle 3/7/98 w. creams4.map 
>                      ; something different
>   reset=1960 type=volterra-lotka
>   center-mag=+1.04755944931163900/+1.38606010016694400/0.9661836/1/-90
>   params=0.739/0.5 float=y
>  
colors=000<11>000<2>A0AD0EH0IK0MN0P<8>p0v<9>K0MH0IG0ME1Q<6>2o`0wb0u`<16>\
>  
4D2<23>zwl<12>KA0000<48>000330<17>000KA3<13>zzb<15>A00D00<14>z0J<12>A070\
>   03000<19>000
>   }
> 
> This is the part with my creams4.map
 

Angela, 

I don't have the creams4.map can you please send it to me?


                         T H A N K   Y O U



                         James R. McKenzie
_________________________________________________________
DO YOU YAHOO!?
Get your free @yahoo.com address at http://mail.yahoo.com


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From: Neil Davidson <ndavidson@enterprise.net>
Subject: RE: (fractint) documentation
Date: 09 Mar 1998 22:05:26 -0000

I have a AMD K6 200 (64MB, 7.5 GB, 4MB Graphics etc.) but at the end of the 
month i think i'll swap out for an Intel 233, better floating point. :)

Neil Davidson

-----Original Message-----
Sent:	08 March 1998 13:31

Wizzle

Yeah, it does help if one reads the manuals. I haven't read all of the
fractal stuff. Especially about writing your own formula files. Hehehe. I
don't know how to program. But I assume it's fairly difficult. I'm a 
chemist
mind you. Computer related subjects are just my hobby as well as graphics.

Speaking of which, I might be getting a newer, faster computer soon. I'm
still running at P100Mhz, 2.1G, 64MB RAM. What is everyone else running at?
I've gotta admit, my computer does run smoother than some new ones. It
doesn't crash as often and doesn't freeze as often either. I brought the
Fractint program to work and loaded it onto a p233 or higher and those
perform slightly better than the one I have now. I thought they would
perform astoundingly. Is that due to the program or the computer?


-Lavondyss




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-------------------------------------------------------------------------------

From: kathy roth <kroth@well.com>
Subject: (fractint) symmetry
Date: 09 Mar 1998 11:54:12 -0800

I have a basic question.  Looking at the formula for
the Mandelbrot set,  I don't see why it has x-symmetry
but not y-symmetry.   It must mean that if you substitute
the negative of the imaginary portion of c for the positive you
get the same thing,  but if you substitute the negative of the real
portion you get something different.  Is my understanding of this right?

Does it have something to do with the behavior of complex numbers?
I thought i basically acts like a constant in these equations.


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From: Kerry Mitchell <lkmitch@primenet.com>
Subject: Re: (fractint) symmetry
Date: 09 Mar 1998 13:48:33 -0700 (MST)

For the Mandelbrot set, the first few iterations go like this:

x0 = 0
y0 = 0

x1 = cx
y1 = cy

x2 = cx*cx - cy*cy + cx
y2 = 2*cx*cy + cy = cy * (2*cx + 1)

In this last step, it becomes clear why there's xaxis symmetry.  If you
replace cy with -cy above, it won't change the definition of x, since cy
is squared (-cy*-cy = cy*cy).  In the expression for y, changing cy to -cy
will simply negate the entire expression.  In general,

xnew = xold*xold - yold*yold + cx
ynew = 2*xold*yold + cy

So again, if cy (and thus, yold) are negated, the only change will be in
the sign of ynew.  Since the set definition only cares about the magnitude
of the iterate (sqrt(x*x+y*y)), y and -y have the same effect.  This
explains the xaxis symmetery.

However, changing cx to -cx will give you problems right away, since only
some of the terms will change sign, but not all of them.  For example, if
cx=1 and cy=0.5, then in the second iteration, you would have:

x = cx*cx - cy*cy + cx = 1*1 - .5*.5 + 1 = 1.75;

negating cx to -1, we have:

x = -1*-1 -.5*.5 -1 = -0.25.

The magnitude of the real part of the iterate is changed, not just its
sign.  That's why the Mandelbrot set does not have y-symmetry.

For the Julia set, the first few iterations go like this:

x0 = pixelx
y0 = pixely

x1 = pixelx*pixelx - pixely*pixely + cx
y1 = 2*pixelx*pixely + cy

Now, since we're in the pixel plane, instead of the c plane, we look at
changing the signs of pixelx and pixely.  Since cx and cy are fixed, and
the pixel part of x1 won't change (both pixelx and pixely are squared), x1
won't change by switching the signs of pixelx and pixely.  If we change
either pixelx *or* pixely, then we'll botch up y1, since cy won't change.
However, we can change *both* pixelx and pixely, since their negatives
will multiply into a positive.  The net result is no change, which means
that we can treat the point (pixelx,pixely) the same as the point
(-pixelx,-pixely).  Thus, Julia sets are symmetric about the origin.

Similar analyses with other formulas of the type z^n + c will show how
their symmetries develop.

>I have a basic question.  Looking at the formula for
>the Mandelbrot set,  I don't see why it has x-symmetry
>but not y-symmetry.   It must mean that if you substitute
>the negative of the imaginary portion of c for the positive you
>get the same thing,  but if you substitute the negative of the real
>portion you get something different.  Is my understanding of this right?


Kerry Mitchell
lkmitch@primenet.com


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-------------------------------------------------------------------------------

From: "Peter Gavin" <pgavin@mindspring.com>
Subject: Re: (fractint) Bug report, I think?...
Date: 09 Mar 1998 15:58:56 -0500

Umm, I tried doing what Jay told me to do to get arb-prec to work, just
toggling w/ the space bar...  But I couldn't get that working.  I didn't
really try to zoom in farther.  However, I did try to restart the image from
scratch.  I jotted down the params, then started from scratch, and
plugged'em back in.  That didn't work, I got the same thing... I haven't
tried zooming more, as Justin did.  I really do think this is a bug, not
just a mistake on my part.  I tried using bfdigits=20 and that didn't work
either.  Any ideas?

Pete


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-------------------------------------------------------------------------------

From: ocie@paracel.com
Subject: Re: (fractint) symmetry
Date: 09 Mar 1998 13:18:53 -0800 (PST)

kathy roth wrote:
> 
> I have a basic question.  Looking at the formula for
> the Mandelbrot set,  I don't see why it has x-symmetry
> but not y-symmetry.   It must mean that if you substitute
> the negative of the imaginary portion of c for the positive you
> get the same thing,  but if you substitute the negative of the real
> portion you get something different.  Is my understanding of this right?
> 
> Does it have something to do with the behavior of complex numbers?
> I thought i basically acts like a constant in these equations.

The most important thing, I think, about these is that (-1)^2=1 and
(1)^2=1, but (i)^2=-1 and (-i)^2=-1.  Squaring i and -i take you to
-1, not to i or -i, so the operation is not "symmetric" in this sense.
Also, consider the following examples from the mandelbrot set:

z[0]=0,
z[n]=z[n-1]^2+c

c=-1

z[0]=0
z[1]=-1
z[2]=0
z[3]=-1
...

This series will go on forever and z[n] will never diverge, thus -1 is
on the interior of the set.

c=1

z[0]=0
z[1]=1
z[2]=2
z[3]=5
z[4]=26
...

This series does diverge, and most programs would detech this as soon
as the magnitude reaches 2 (z[2] above).

This slice of the Mandelbrot set through the real axis is
mathematically interesting, even though it is not necessarily visually
interesting.  If folks out there have access to gnuplot, try the
following:

gnuplot> f(x,n)=(n==0)?0:f(x,(n-1))**2+x
gnuplot> plot [-3:3] [-3:3] f(x,1) 
gnuplot> plot [-3:3] [-3:3] f(x,2)

as you let the "n" parameter get larger and larger, the plot becomes
more kinked up and chaotic.  There are stretches from -.75 to .25,
from -1.25 to -.75 and so on that are relatively smooth, even at
higher iteration limits.  These are slices through the various bulbs.
The rightmost one is the main cardioid, to its left is the large
period 2 bulb, to the left of this is the (period 4?) bulb, and so on.

Even though these are smooth, since they have different periods, the
graph never settles down to one shape.  If you are patient, try
ploting the graph for 100,101,102 and 103 iterations on the same set
of axes.  You should be able to see that in the main cardioid, there
is only one graph, which splits into two graphs when you enter the
period two bulb and then into four when you enter the next bulb.

Finding fractals anywhere and everywhere,

Ocie


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From: ocie@paracel.com
Subject: Re: (fractint) symmetry
Date: 09 Mar 1998 13:18:53 -0800 (PST)

kathy roth wrote:
> 
> I have a basic question.  Looking at the formula for
> the Mandelbrot set,  I don't see why it has x-symmetry
> but not y-symmetry.   It must mean that if you substitute
> the negative of the imaginary portion of c for the positive you
> get the same thing,  but if you substitute the negative of the real
> portion you get something different.  Is my understanding of this right?
> 
> Does it have something to do with the behavior of complex numbers?
> I thought i basically acts like a constant in these equations.

The most important thing, I think, about these is that (-1)^2=1 and
(1)^2=1, but (i)^2=-1 and (-i)^2=-1.  Squaring i and -i take you to
-1, not to i or -i, so the operation is not "symmetric" in this sense.
Also, consider the following examples from the mandelbrot set:

z[0]=0,
z[n]=z[n-1]^2+c

c=-1

z[0]=0
z[1]=-1
z[2]=0
z[3]=-1
...

This series will go on forever and z[n] will never diverge, thus -1 is
on the interior of the set.

c=1

z[0]=0
z[1]=1
z[2]=2
z[3]=5
z[4]=26
...

This series does diverge, and most programs would detech this as soon
as the magnitude reaches 2 (z[2] above).

This slice of the Mandelbrot set through the real axis is
mathematically interesting, even though it is not necessarily visually
interesting.  If folks out there have access to gnuplot, try the
following:

gnuplot> f(x,n)=(n==0)?0:f(x,(n-1))**2+x
gnuplot> plot [-3:3] [-3:3] f(x,1) 
gnuplot> plot [-3:3] [-3:3] f(x,2)

as you let the "n" parameter get larger and larger, the plot becomes
more kinked up and chaotic.  There are stretches from -.75 to .25,
from -1.25 to -.75 and so on that are relatively smooth, even at
higher iteration limits.  These are slices through the various bulbs.
The rightmost one is the main cardioid, to its left is the large
period 2 bulb, to the left of this is the (period 4?) bulb, and so on.

Even though these are smooth, since they have different periods, the
graph never settles down to one shape.  If you are patient, try
ploting the graph for 100,101,102 and 103 iterations on the same set
of axes.  You should be able to see that in the main cardioid, there
is only one graph, which splits into two graphs when you enter the
period two bulb and then into four when you enter the next bulb.

Finding fractals anywhere and everywhere,

Ocie


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From: NOEL_GIFFIN <noel@triumf.ca>
Subject: Re: (fractint) Bug report, I think?...
Date: 09 Mar 1998 13:32:44 PST

"Peter Gavin" <pgavin@mindspring.com> wrote:

> I jotted down the params, then started from scratch, and
> plugged'em back in.  That didn't work, I got the same thing... I haven't
> tried zooming more, as Justin did.  I really do think this is a bug, not
> just a mistake on my part.

	I've run into this problem a few times myself while exploring the 
mandelbrot at the edge of arbitrary prec. Sometimes Fractint doesn't switch 
over when it should. The resulting image is definitely suffering from lack
of precision. I've also seen the converse happen and arb. prec. kicks in
before I think it should. The best trick I've found is to make sure that
you save the previous image, (the one you last zoomed from). If you 
run into a problem, you can restore it and try zooming again with 
a slightly different zoom factor or move the zoombox to a slightly
different position. It may not exactly be a bug, but I think the
code should be made a little more consistent in determining when
it switches modes. 

	Cheers,
	Noel Giffin

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From: "Peter Gavin" <pgavin@mindspring.com>
Subject: (fractint) Arb-prec bug
Date: 09 Mar 1998 16:43:49 -0500

There must be a way to manipulate the arb-prec switch without using
debug=1600.  I mean, fractint should let you turn it on, then maybe choose
the number of digits to use, or let you use its recommendation.  New version
feature? : )

Pete


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From: "Justin A. Kolodziej" <4wg7kolodzie@vms.csd.mu.edu>
Subject: Re: (fractint) Bug report, I think?...
Date: 09 Mar 1998 15:53:00 -0600

Peter Gavin wrote:
> 
> Umm, I tried doing what Jay told me to do to get arb-prec to work, just
> toggling w/ the space bar...  But I couldn't get that working.  I didn't
> really try to zoom in farther.  However, I did try to restart the image from
> scratch.  I jotted down the params, then started from scratch, and
> plugged'em back in.  That didn't work, I got the same thing... I haven't
> tried zooming more, as Justin did.  I really do think this is a bug, not
> just a mistake on my part.  I tried using bfdigits=20 and that didn't work
> either.  Any ideas?

You have to use debug=3200 to force arbitrary precision.  Then, of
course, you pretty much turn your computer into a 4.77MHZ 8088!  :-)  I
tested it with bfdigits=100, which is way too many.  20 digits is
enough.  Given enough time, you'll be able to see that your Julia is not
so special but still real interesting.

Justin K.
-- 
Justin A. Kolodziej
I sense a great disturbance in the Source.
I am 4wg7kolodzie@vms.csd.mu.edu
Marquette University is http://www.mu.edu

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-------------------------------------------------------------------------------

From: NOEL_GIFFIN <noel@triumf.ca>
Subject: RE: (fractint) Arb-prec bug
Date: 09 Mar 1998 13:59:53 PST

 "Peter Gavin" <pgavin@mindspring.com> wrote:

> There must be a way to manipulate the arb-prec switch without using
> debug=1600.  I mean, fractint should let you turn it on, then maybe choose
> the number of digits to use, or let you use its recommendation.  New version
> feature? :

	Well if you choose the number of digits, we wouldn't be able
to call it arbitrary precision anymore would we. :-) Seriously though,
this is a feature that I think would be interesting. I've always
wanted to compare images calculated with different degrees of precision.

	Cheers,
	Noel 

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From: davides <davides@pipeline.com>
Subject: Re: (fractint) A Julia variant ?
Date: 09 Mar 1998 17:57:06 -0500

At 10:34 AM 3/9/98 -0500, you wrote:
>Hi Wiz,
>
>When I got the error, I noticed that this part
>
>b4=abs(conj(conj(pixel^2)))*conj(flip(pixel^3))-conj(0.1/pixel-
>flip(0.01/pixel))
>
>wrapped for some reason.

(snipped)

I got the same problem and resolved in the same way. In the email I just
received, Brian's msg also wrapped giving in  one part the following:

b4=abs(conj(conj(pixel^2)))*conj(flip(pixel^3))-conj(0.1/pixel-flip(0.01/pix
el))

When seeing the error msg with a ^ pointing to a spot saying "Needs a...",
check the lines in the formula.  If something of the above is seen where
there are not the same number of parenthesis opening and closing on the
same line, straighten it out by going to the appropriate area and backing
up the line. In the above, note that there 3 "openings at the beginning of
the line and 3 closings:
"b4=abs(conj(conj(pixel^2)))"
Later in the line there are 2 openings, but no closings:

(0.1/pixel-flip(0.01/pix

and on the next line there are no openings but two closings:

el))
 
Fractint is gojng to go into a shock because it will not understand the above.
By backing the "el))" to fit onto the end of "(0.1/pixel-flip(0.01/pix"
you will then have: "(0.1/pixel-flip(0.01/pixel)) and voila! A word: pixel,
and more importantly, 3 open parenthesis and 3 closings. Everythin works
now...

This may reflect your email settings - nr. of characters allowed per line.







davides@pipeline.com
Back up my hard drive?
How do I put it in reverse?

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-------------------------------------------------------------------------------

From: davides <davides@pipeline.com>
Subject: (fractint) Re: Wizcreams4.map
Date: 09 Mar 1998 18:24:15 -0500

At 07:15 AM 3/9/98 -0800, you wrote:
>Ooops...
>
>wizvoltera_lotta   { ; wizzle 3/7/98 w. creams4.map 

(snipped)

For once...I seldom have sufficient time to load the pars/frms etc. anymore
- they tend to just stay in the mail box. Once a month anymore I may have a
few minutes to look at one - let alone actually try to construct a fractal.

However, with my post, and then a query concerning Angela's creams4 map, I
went ahead and loaded the par. Cream? Then brought up the
map...interesting, looked good. Back to image, cycled...to the point where
it contained a lot of space and cream/gold colors. Looked good...then:
Tried that map on one of "O" 's icon images d/l'd from abpf. Try it, you'll
like it! (Especially Icons 2 and 3, and cycle them).
_That_ is a good map.



davides@pipeline.com
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How do I put it in reverse?

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-------------------------------------------------------------------------------

From: "Les St Clair" <les_stclair@crosstrees.prestel.co.uk>
Subject: re: (fractint) documentation
Date: 08 Mar 1998 23:03:13 -0000

Hi Angela,

>> I noticed in my reading a new-ish standard formula....voltera_lotta
>> The color map is a really good one to re-do in other colors.

Could you re-post the par with the colors included?
BTW, you can force Fractint to always write the color code to the par by
including the statement
recordcolors=yes
in you sstools.ini file

Here's a couple of my volterra-lotka's from a while ago..
Plus an escher_julia, which was another new built-in type added with v19.6


VL_01              { ; "Volterra-Lotka #1"                   t=  0:06:34.97
                     ; t=calc time [h:mm:ss.] using 486DX2-66 at 1024x768
                     ; (c) 1997 by Les St Clair les_stclair@compuserve.com
                     ; parameters created on Apr 13, 1997
                     ;  Version 1950 Patchlevel 40
  reset=1950 type=volterra-lotka passes=1
  center-mag=+1.45455286117367000/+1.04587790206441800/1.002759
  params=0.5/0.1 float=y maxiter=647 bailout=1000 inside=maxiter
  outside=atan logmap=15 periodicity=0
  colors=OID<15>zcK<20>AAA<20>hcz<21>AAA<20>zzc<20>AAA<21>mzz<20>AAA<19>aw\
  aczcbxb<20>AAA<20>zcm<20>AAA<4>MHC cyclerange=0/255
  }

VL_02              { ; "Volterra-Lokta #2"                   t=  0:16:29.42
                     ; t=calc time [h:mm:ss.] using 486DX2-66 at 1024x768
                     ; (c) 1997 by Les St Clair les_stclair@compuserve.com
                     ; parameters created on Apr 13, 1997
                     ;  Version 1950 Patchlevel 40
  reset=1950 type=volterra-lotka passes=1
  center-mag=+1.19998126833428300/+1.62710132971609300/0.9734561/1/-87.5
  params=0.33/0.08 float=y maxiter=1000 bailout=1000 logmap=3
  periodicity=0
  colors=K58<6>005<14>vvv<16>008<15>oc0<12>B820048525321031030040042033034\
  03602802B01F01K01Q40XC0eP0oc0<5>tmT<7>zU3<10>aLDB04F03K03Q03X03e03o13<4>\
  rKL<4>uaEudCvgAvj8wm6<2>zw0<3>ig4<9>upz<9>MP9<6>bhG<7>zzz<8>00c00k00t00k\
  00c00X00R00M<2>00D00B00A009<15>USh<2>MJc<23>cDIdDHeDGeDFfDEfDDgDChCB<2>`\
  ABY9AV9AT89Q79N69
  }

VL_03              { ; "Volterra_lokta #3"                   t=  0:13:49.92
                     ; t=calc time [h:mm:ss.] using 486DX2-66 at 1024x768
                     ; (c) 1997 by Les St Clair les_stclair@compuserve.com
                     ; parameters created on Apr 13, 1997
                     ;  Version 1950 Patchlevel 40
  reset=1950 type=volterra-lotka passes=1
  center-mag=+0.99916133282173500/+0.99565236020663230/73.27303/1/-87.5
  params=0.618/0.33 float=y maxiter=1000 bailout=1000 inside=maxiter
  logmap=4 periodicity=0
  colors=008<18>K05<4>000<15>zzz<15>000<4>0EE0000HH<9>0gg<15>000<15>zzz<15\
  >000<15>zn0<15>000<15>zzz<15>004<10>E0cF0gG0jH0nI0qK0u<13>308204333<14>z\
  zz<15>000<6>S07 cyclerange=0/255
  }

EJ_01              { ; "Escher-Julia #1"                     t=  0:32:35.06
                     ; t=calc time [h:mm:ss.] using 486DX2-66 at 1024x768
                     ; (c) 1997 by Les St Clair les_stclair@compuserve.com
                     ; parameters created on Apr 13, 1997
                     ;  Version 1950 Patchlevel 40
  reset=1950 type=escher_julia passes=1
  center-mag=+0.42798355610118920/+0.29420988317529780/3.4153
  params=0.005/0.641 float=y bailout=100 inside=bof60 logmap=4
  decomp=256
  colors=000H51<39>ywezxfzxf<40>H51G40G40<40>ywezxfzxf<40>H51G40G40<40>ywe\
  zxfzxf<39>I62 cyclerange=0/255
  }

cheers, Les








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-------------------------------------------------------------------------------

From: Ray Montgomery <elmont@cdsnet.net>
Subject: (fractint) SStools....
Date: 09 Mar 1998 16:52:05 -0700

Hi Kragen
        Thanks for your kind response.  And I'll put a question to you right
away. (There are so many to ask - but number one...)
        What is SSTOOLS.INI file?  I've looked high and low for it, but can
not find such a thing.  I've looked in the Fractint listing (file-?) and it
is not there.  And, even if it were, when I have tried to enter one of the
listings, as, for instance, an indicated map (i.e. 'Alien Map)- I get a
drop-down box saying, in effect, "Can't open.  Use program that you got it
from" or, some such wording.  So then what?  Is there a place in the
Fractint program that I can push a button and, lo and behold, there is the
SSTOOLS.INI.?  
        More buttons than I care to imagine.  But it is great when those
colorful designs generate - like a monstrous ship appearing out of a heavy fog.
        Thanks again.  Hope this will clear up mystery #1.
                                Ray 


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-------------------------------------------------------------------------------

From: Ray Montgomery <elmont@cdsnet.net>
Subject: (fractint) Text won't print
Date: 09 Mar 1998 17:11:16 -0700

        Linda
                You did good things making that color-map developing
tutorial.  But when I try to download it, the only things that print are
the images and colormaps.  They are beautiful and represantative of what you
are saying but without the text I can't benefit and learn from them.  My
brain is too far gone to be able to read that much material and retain it
for more than 27 seconds.
        Am I presuming for trying to download that material at all?  I
certainly do not want to offend anyone, or break protocol, or violate any
rights.  Perhaps I need instruction in that department before I presume to
resume.
        Since I am just about at a stage in Fractinting when different
colormaps would most certainly help I am interested in creating some.  The
"Fractint Commands" instructions are helpful but to the uninitiated fairly
obscure.  Your instructions would be most helpful.  I truly need someone to
tell me "Push this button - then that one...." etc. when it comes to grey
areas. 
        Thanks for listening (or reading).
                                        Gratefully
                                                        Ray Montgomery


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-------------------------------------------------------------------------------

From: "Jay Hill"<jrhill@nosc.mil>
Subject: Re: (fractint) A Julia variant ?
Date: 09 Mar 1998 16:22:37 -0800


>>b4=abs(conj(conj(pixel^2)))*conj(flip(pixel^3))-conj(0.1/pixel-
>>flip(0.01/pixel))
>>
>>wrapped for some reason.

A note to formula writers, if you have a very long line, you
can spill to a new line by appending "\" to the end.  I just tried it.

It will look like this...

b4=abs(conj(conj(pixel^2)))*conj(flip(pixel^3))-conj(0.1/pixel-\
flip(0.01/pixel))

The issue here is the view in Fractint. The formula window is only
so wide.   (You can scroll the formula window left/right/up/down
with the Control/Arror keys.)

Jay




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From: "Jay Hill"<jrhill@nosc.mil>
Subject: Re: (fractint) Arbitrary Precision
Date: 09 Mar 1998 16:48:26 -0800


Damien M. Jones wrote:
>Jay,
> - We should be getting more than a million iterations per second.  Over
on
> - the development lists they are bragging about 10 cycle iteration times.
>Those times are for double precision, not arbitrary precision.  Apples and
>oranges.
Yes, I know, that is why I asked for timings on the arbitrary percision
math.

I have been looking at Keith Briggs double-double (30 digit) package
for C++ and found about 40,000 iterations per second on a P200.  That
is not assembler and not unrolled loops. So Fractint should be able to get
what ... 160,000 iterations/second?

Bottom line...

It looks like 2,000,000,000 iterations is too many on this year's machines.
:-(
Try 100,000 or so.
Jay




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From: Wizzle <wizzle@cci-internet.com>
Subject: re: (fractint) documentation
Date: 09 Mar 1998 19:58:35 -0800

Les

Thanks for the pars and the sstools.ini fix. I'm presuming I can add the line

 recordcolors=yes 

pretty much any where in sstools.ini? For some obscure reason......just
every now and then......(without human intervention, of course).....my pars
don't save the colors. Very strange. Actually, why would we want to save
the pars without the colors? Strange feature.

I tried the esher julia formula too and didn't get anything much right off.
Volterra_whatever was Very responsive ....like our friendly gravijuli series. 

Angela

p.s.  I know the creams4.map doesn't look too creamy at this point....it's
been thru a bunch of iterations because the colors and black areas seem to
be placed well for many fractals.

p.s.s. another apology for posting a par sans colors

At 11:03 PM 3/8/98 -0000, you wrote:
>Hi Angela,
>
>>> I noticed in my reading a new-ish standard formula....voltera_lotta
>>> The color map is a really good one to re-do in other colors.
>
>Could you re-post the par with the colors included?
>BTW, you can force Fractint to always write the color code to the par by
>including the statement
>recordcolors=yes
>in you sstools.ini file
>


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From: Wizzle <wizzle@cci-internet.com>
Subject: Re: (fractint) SStools....
Date: 09 Mar 1998 20:18:25 -0800

Ray...

sstools.ini "ships" with fractint under the disguise of 

sstools2.ini

What you need to do is read up a bit on the features sstools.ini controls
at the Fractint homepage....

http://spanky.triumf.ca/www/fractint/findex.html

or pay attention to postings on the list......or get Jay Hill to tell you
where his great explanation of sstools.ini is posted (I remember it being
somewhere).

Then...decide how you want to modify sstools2.ini (you can do that in
notepad) and save the file as sstools.ini in your Fractint directory. 

Here is my sstools.ini file

[fractint]
; note: replace (for example) "c:\fract\map\tworain.map" with
; the correct path on your drive so fractint can find the files from anywhere.
map=c:\fractint\gen-2.map
parmfile=c:\fractint\pars\mar98.par
recordcolors=yes
formulafile=c:\fractint\mar98.frm
lfile=c:\fractint\fractint.l
ifsfile=c:\fractint\fractint.ifs
autokeyname=c:\fractint\key
;filename=c:\fractint
savename=c:\fractint\83avw001
;printfile=c:\fract\work
workdir=c:\fractint
;tmpdir=c:\fract\work
video=sf6
savetime=60
;nice colors...
;textcolors=//70/17/78/1e/5f/07/03/17/1f/1e/3f/5e/70///0f/07/17/1e//////0d/5
f/57/0e/05

[Winfract]
WinfractPosition=-5, -5
ImageWidth=1024
ImageHeight=768
ZoomOut=False
WindowSizing=False
CoordinateBoxOpen=False
ZoomBoxOpen=False
CoordBoxPosition=712, 49

The features I found most useful were:

1. a new default colormap (I use one I made myself called gen-2.map and
which is available in my wizmaps.zip kit at
http://wizzle.simplenet.com/fractals/wizmaps/wizmaps.htm)
2.  more descriptive filenames for saving gifs. I use a naming convention
that I change each month so I can tell one "batch" from another
3. defaulting to the current months pars and formulas (which i call
mar98.par and mar98.frm for example) - I re-set this every month but it
helps me keep up with the list
4. selecting a default video setting (I like sf6)

There are oodles of other features available as I've been learning here on
the list....just haven't had the time or need to incorporate them all.

Angela 

At 04:52 PM 3/9/98 -0700, you wrote:
>Hi Kragen
>        Thanks for your kind response.  And I'll put a question to you right
>away. (There are so many to ask - but number one...)
>        What is SSTOOLS.INI file?  I've looked high and low for it, but can
>not find such a thing.  I've looked in the Fractint listing (file-?) and it
>is not there.  And, even if it were, when I have tried to enter one of the
>listings, as, for instance, an indicated map (i.e. 'Alien Map)- I get a
>drop-down box saying, in effect, "Can't open.  Use program that you got it
>from" or, some such wording.  So then what?  Is there a place in the
>Fractint program that I can push a button and, lo and behold, there is the
>SSTOOLS.INI.?  
>        More buttons than I care to imagine.  But it is great when those
>colorful designs generate - like a monstrous ship appearing out of a heavy
fog.
>        Thanks again.  Hope this will clear up mystery #1.
>                                Ray 
>
>
>-
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From: Wizzle <wizzle@cci-internet.com>
Subject: Re: (fractint) Text won't print
Date: 09 Mar 1998 20:29:48 -0800

Ray....

Many web pages are pretty difficult to print because we web authors like to
have dark backgrounds with light print......I'm afraid I'm a prime culprit.
 However, downloading instructions in a form that will print well is easy.....

1. with the page you want to print open in your browser....select
"file....save as" which will download the page with the html code to your
own computer....stick it in a folder someplace where you can find it
2. open the page you just downloaded in your browser using
"file.....open".....the page should come up against a nice clean white
background which will print the text just fine right from your browser.

Hope that helps

Angela

At 05:11 PM 3/9/98 -0700, you wrote:
>        Linda
>                You did good things making that color-map developing
>tutorial.  But when I try to download it, the only things that print are
>the images and colormaps.  They are beautiful and represantative of what you
>are saying but without the text I can't benefit and learn from them.  My
>brain is too far gone to be able to read that much material and retain it
>for more than 27 seconds.

<<snipped>>
>                                                        Ray Montgomery
>
>
>

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From: ao950@freenet.carleton.ca (Paul Derbyshire)
Subject: Re: (fractint) Viewwindows
Date: 09 Mar 1998 23:43:06 -0500 (EST)

>I'm using FRACTINT 19.60.  By restart I meant hitting the <delete> not
>literally shutting down and re-launching.  If I don't the images all
>come up as squares versus full screen.

That's still damn weird. So what happens if you try to turn off the
viewwindows using the 'v' screen? Simply no effect? Red buzzing error box?
(What is the message then?) Hang or crash or bombs to DOS? Tried reinstalling
from a clean zip from spanky? 


--
    .*.  Friendship, companionship, love, and having fun are the reasons for
 -()  <  life. All else; sex, money, fame, etc.; are just to get/express these.
    `*'  Send any and all mail with attachments to the hotmail address please.
Paul Derbyshire ao950@freenet.carleton.ca pgd73@hotmail.com

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From: ao950@freenet.carleton.ca (Paul Derbyshire)
Subject: Re: (fractint) anybody try simplgif?
Date: 09 Mar 1998 23:52:56 -0500 (EST)


AFAIK the only way to restore an image in a different video mode is
manually using the video screen after the 'r' and filename choice. IMHO
Fractint 20 needs 2 key features for what you want to do:

1. A disk video matching each and every real video mode, even 320x200x4
   (ugh!);
2. An option that can be set before a restore, meant for batch use:
   fractint ... -novideo=yes ... [restore an image] ... batch=yes
   -savename=foo.gif -savetime=20 ...
   Here the use of -novideo=yes forces all restores to load into a disk
   video mode with colors and resolution matching the parameters of the saved
   image (whether the image was saved from a disk video or normalvideo mode
   with those parameters).

--
    .*.  Friendship, companionship, love, and having fun are the reasons for
 -()  <  life. All else; sex, money, fame, etc.; are just to get/express these.
    `*'  Send any and all mail with attachments to the hotmail address please.
Paul Derbyshire ao950@freenet.carleton.ca pgd73@hotmail.com

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From: Bob Margolis <rttyman@wwa.com>
Subject: Re: (fractint) Text won't print
Date: 09 Mar 1998 23:00:56 -0600

Wizzle wrote:
> 
> Ray....
> 
> 
> 1. with the page you want to print open in your browser....select
> "file....save as" which will download the page with the html code to your
> own computer....stick it in a folder someplace where you can find it
> 2. open the page you just downloaded in your browser using
> "file.....open".....the page should come up against a nice clean white
> background which will print the text just fine right from your browser.
> 

Hi Team Fractals:

Here's how I print out from Web sites. Before doing any printing job,
click on Print Preview to see how the pages will look when they are sent
to your printer. If it looks fine, then go ahead with the printing job.
If not, here's where I differ from Wizzle's suggestion. When clicking on
"save as" don't save as an html page. Rather, save it as (filename).txt.
This method will eliminate all html control codes from your saved file.
You'll be able to read your file easily without getting eyestrain from
trying to read the text among all those control codes.

Happy printing!

Bob Margolis

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From: Felix <aduhan@TTACS.TTU.EDU>
Subject: Re: (fractint) A Julia variant ?
Date: 09 Mar 1998 23:03:55 -0600



Genealogy1 wrote:

> .... Looks best at higher resolutions.

Really?   This is unlike most factals, which are often best at 320x200...   ;o)

--
| Andrew Duhan    |     Cereal is     |
| aduhan@ttu.edu  |       g00d.       |
| http://chimera.acs.ttu.edu/~aduhan/ |



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From: "Jay Hill"<jrhill@nosc.mil>
Subject: Re: (fractint) Text won't print
Date: 09 Mar 1998 21:12:23 -0800


wizzle wrote:

>Many web pages are pretty difficult to print because we web authors like
to
>have dark backgrounds with light print......I'm afraid I'm a prime
culprit.
> However, downloading instructions in a form that will print well is
easy.....


Well that won't have the pictures and if the web page has frames....

As for earlier remarks about sstools.ini, I did not find much in my
logs. A lot of talk about textsafe and some about how to set up timings.
Otherwise, most seem to have their own preferences.  A good look at
the docs can help one with what they prefer. An example is someone
recommended the quiting without asking setting. Well one too many
ESCs and you are out with that setting. Not  me, too likely to loose a
good image that way.

Jay



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From: Felix <aduhan@TTACS.TTU.EDU>
Subject: Re: (fractint) Fractint as prototype society
Date: 09 Mar 1998 23:27:13 -0600



Kragen wrote:

> - what other projects they've seen that worked similarly

    VRML.  The fact that VRML passed ISO, and it's rapidly growing presence
is almost entirely due to the years of discussion on mailing lists and chat
rooms.  (Now if there could only be a "FractalCon" of VRML98 magnitude...)
    Also, athough it was already mentioned, Linux community involvement
never ceases to amaze me.

--Andrew

--
| Andrew Duhan    |     Cereal is     |
| aduhan@ttu.edu  |       g00d.       |
| http://chimera.acs.ttu.edu/~aduhan/ |



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From: ao950@freenet.carleton.ca (Paul Derbyshire)
Subject: Re: (fractint) Bug report, I think?...
Date: 10 Mar 1998 00:31:55 -0500 (EST)


That's the painterly effect. It happens in Julia sets when orbits start
far apart, get close together and then diverge. In this case orbits of
nearby points started far enough apart (though barely, at e+11
magnification) for non-arbitrary to distinguish them. But they converged
so closely that roundoff errors changed caused rotated square groups of
neighboring orbits to lose their distinctiveness before they later spread
apart again. If you force arbitrary precision the errors will go away.
(Tim? How the heck was that done again?) This also occurs near the
int/float boundary when using ints, for some Julias. (Especially ones, like
yours, that come from in or near minibrots.) In that case the solution is
just to use float=y.


--
    .*.  Friendship, companionship, love, and having fun are the reasons for
 -()  <  life. All else; sex, money, fame, etc.; are just to get/express these.
    `*'  Send any and all mail with attachments to the hotmail address please.
Paul Derbyshire ao950@freenet.carleton.ca pgd73@hotmail.com

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From: ao950@freenet.carleton.ca (Paul Derbyshire)
Subject: Re: (fractint) symmetry
Date: 10 Mar 1998 01:14:05 -0500 (EST)


The Julia sets of z^n+c have n-fold symmetry. The reason why: The points
are the initial z values. If you have n initial z values equally spaced
about the origin they have the same nth power, by DeMoivre's theorem. (z^n
is r^n * cis (n*theta) where r is the modulus of z and theta the argument.
So the angle from the positive x axis is multiplied by n, the distance
raised to the nth power. Use units of 2*pi/n and consider that n equally
spaced points have angles, in those units, of k+r, with k an integer from
0 to n - 1 depending on the point and r the same for all points. Their nth
powers have the same distance (since the original points did) and the
angles are k*n+r*n. k*n, however, is k*2*pi in radians, and this is just
full turns around the circle and cancel out. That leaves them all at the
same distance and the same angle of r*2*pi radians.)

So these points have the same z^n,and thus the same z^n+c. So they jump to
the same second itrate, and their orbits are the same (and thus also their
fates) thereafter.

For the M-sets the symmetry is trickier. The c value is now the image
coordinate and the z value is initially 0. The iterates look like
((c^n+c)^n+c)^n+c...
Notice though that c^n+c is the second iterate and can be rewritten as
c(c^n-1 + 1). Thus n-1 equally spaced points have the same c^n-1+1.
Multiply that by c and we find the n-1 points don't converge to one, but
they do have equal moduli and n-1 fold symmetry in their angles again.
And so do their successors and so on, because the next iterations raised to
the n-1th power still have the symmetry, and lead to the same (c^n+c)^n-1
+ 1; and this multiplied by the original symmetrical c values leads to
further iterations with the same symmetry and so on.
So they must escape a circular bailout radius at the same time. Also they
must either be in or out of the set all together, not some in, some not,
because of that.

The bilateral symmetry of M-sets is tricky too, but explainable again.
Take two conjugate numbers z and w, of opposite imaginary part and equal
real part. In polar notation these are radius r, and angle +/- theta.
(Negating theta negates the sine but not cosine and so negates the
imaginary part, so conjugates have same real negated imaginaries, and
same modulus but negated angle.)

Take the nth power of these. Samemoduli means same modulifor the nth
power. Also means the angles have multiplied by n. One angle was say t,
the other -t, now they are n*t and -n*t, so again they are conjugates.
Thus two conjugate c have the same c^n-1. Add 1 and they are still
conujugate because 1 is real. Multiply by the original c, and they are
still conjugate. (Check the math: a+ib * c+id = ac - bd +i(ad + bc). a-ib
* c-id = ac - bd - i(ad + bc) so the product of conjugates is the
conjugate of the product.) So again they share the same fate because they
must escape at the same time, or never. Hence the bilateral symmetry.

The bilateral symmetry in Julias of z^n+c with c real arise the same way:
conjugate z's have conjugate z^n's and when c is real, conjugate z^n+c.
When c is not real, this is not true any more and we get the rotational
symmetry alone.

More complex formulas for M-sets tend to have no rotational symmetry
because there's no factoring like above, but bilateral if all coefficients
are real for same reasons. (Add real - conjugates stay conjugate; multiply
conjugates - conjugate products). Similarly more complex Julia formulas
usually have no symmetry, exceptoften bilateral symmetry if they happen to be
given real parameters and the coefficients in the formula are real.





--
    .*.  Friendship, companionship, love, and having fun are the reasons for
 -()  <  life. All else; sex, money, fame, etc.; are just to get/express these.
    `*'  Send any and all mail with attachments to the hotmail address please.
Paul Derbyshire ao950@freenet.carleton.ca pgd73@hotmail.com

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From: "James R. McKenzie" <whookam88@yahoo.com>
Subject: Re: (fractint) Viewwindows
Date: 10 Mar 1998 00:05:02 -0800 (PST)






---Paul Derbyshire <ao950@freenet.carleton.ca> wrote:
>
> >I'm using FRACTINT 19.60.  By restart I meant hitting the <delete>
not
> >literally shutting down and re-launching.  If I don't the images all
> >come up as squares versus full screen.
> 
> That's still damn weird. So what happens if you try to turn off the
> viewwindows using the 'v' screen? Simply no effect? Red buzzing
error box?
> (What is the message then?) Hang or crash or bombs to DOS? Tried
reinstalling
> from a clean zip from spanky? 
> 
 
... and the egg on face award goes to...


Yes it works fine now.  I tried the "V" and "F4" things the other
night and nothing happened (Could be Win95 or just own stupidity, 
maybe both) now it does work.  I did do an overwrite from a tape
backup from about 2 weeks ago too maybe that did it.  Oh well it's
hard to type with my foot in my mouth so I'll stop now.

                    Thanks for the suggestions anyway.


P.S. : A non - FRACTINT question here.  Will Red Hat Linux 5.0x run in
EDO memory and can/does it support Iomega external tape drives namely
the ditto 2GB?  I'm dying to try it out (see if I can teach myself to
use it from the ground up, literally from scratch) but if it won't run
in the system I've got there's no need in getting it.  Electronics
Boutique has it for $29. Just thought I'd ask.  I have a Western
Digital Caviar 4.0 ATA HDD too.  Basically what do I need to know
first is what I'm asking.  I know this sounds stupid but there are no
Linux/Unix people to ask around here.  Please let me know ASAP.
_________________________________________________________
DO YOU YAHOO!?
Get your free @yahoo.com address at http://mail.yahoo.com


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From: ao950@freenet.carleton.ca (Paul Derbyshire)
Subject: Re: (fractint) Viewwindows
Date: 10 Mar 1998 03:21:05 -0500 (EST)

>...there are no Linux/Unix people to ask around here.  Please let me know
>ASAP.

Hi there... how's the weather at Vostok Base in Antarctica? Warmer with El
Nino? Just curious...


--
    .*.  Friendship, companionship, love, and having fun are the reasons for
 -()  <  life. All else; sex, money, fame, etc.; are just to get/express these.
    `*'  Send any and all mail with attachments to the hotmail address please.
Paul Derbyshire ao950@freenet.carleton.ca pgd73@hotmail.com

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From: "Morgan L. Owens" <packrat@nznet.gen.nz>
Subject: (fractint) documentation and Good machines
Date: 09 Mar 1998 17:51:45 +1300

At 13:31 08/03/98, Lavondyss wrote:
>
>Yeah, it does help if one reads the manuals. I haven't read all of the 
>fractal stuff. Especially about writing your own formula files. Hehehe. I 
>don't know how to program. But I assume it's fairly difficult. I'm a chemist 
>mind you. Computer related subjects are just my hobby as well as graphics. 
>
I agree with this. In fact, some of the questions asked on this mailing
list could have been answered by consulting the documentation. I'd like to
suggest that in future if people have a question on this subject they
should consult the documentation and tutorials first, and only come here if
they're no help or hard to understand. This list would still of course be a
good place for going into more depth than can sensibly be managed in the
docs (resulting in more stuff for the iFAQ!).

I don't want to sound like I'm policing anything here, but I'm sure that it
would be a lot more convenient to questioners to find the answers they're
looking for already sitting on their hard drive.

>Speaking of which, I might be getting a newer, faster computer soon. I'm 
>still running at P100Mhz, 2.1G, 64MB RAM. What is everyone else running at?
>I've gotta admit, my computer does run smoother than some new ones. It 
>doesn't crash as often and doesn't freeze as often either. I brought the 
>Fractint program to work and loaded it onto a p233 or higher and those 
>perform slightly better than the one I have now. I thought they would 
>perform astoundingly. Is that due to the program or the computer? 
>
>
It's quite possibly due to the computer. Many companies (and not just the
knock-off clones) that advertise machines with superluminal processors
don't mention that the motherboard might be nowhere near as fast - with the
result that the processor spends a lot of its time twiddling its contacts
waiting for the rest of the computer to catch up. A friend of my brother's
has a Hewlett Packard P233 and it _crawls_ in comparison to mine; which (to
partly answer your question) is a P166 with 2.1GB/32MB. The motherboard can
generally keep up (Windows permitting).




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From: "Justin A. Kolodziej" <4wg7kolodzie@vms.csd.mu.edu>
Subject: Re: (fractint) Bug report, I think?...
Date: 10 Mar 1998 09:39:11 -0600

Paul Derbyshire wrote:
 If you force arbitrary precision the errors will go away.
> (Tim? How the heck was that done again?) 

You have to run Fractint with the option debug=3200.

BUT BUT BUT  Even with it forced, it still didn't use enough digits due
to the effect you mentioned.  To get this particular one to work, you
have to force the number of digits to about 20 using the "developer"
option bfdigits=20.  

Justin K.
-- 
Justin A. Kolodziej
I sense a great disturbance in the Source.
I am 4wg7kolodzie@vms.csd.mu.edu
Marquette University is http://www.mu.edu

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From: "Brian E. Jones" <bejones@netunlimited.net>
Subject: Re: (fractint) documentation and Good machines
Date: 10 Mar 1998 10:44:12 -0500

>>A friend of my brother's has a Hewlett Packard P233 and it _crawls_ in
comparison to mine<<

Not to mention that the PII's and Pros do nothing for DOS programs.  I took
a copy of Fractint to the local CompUSA and compared the render time of some
pars made on my P166 at 1600x1200, to a 300mhz PII at 1024x768.  My P166 was
just a little slower at a high res than the PII at a lower res.  For all of
those thinking of buying a PII chip to speed up Fractint, go with a MMX
chip.

Brian
-
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-
Brian_E_Jones@compuserve.com
-
bejones@netunlimited.net



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From: Ian Kaplan <ijk@force.stwing.upenn.edu>
Subject: Re: (fractint) documentation and Good machines
Date: 10 Mar 1998 10:52:08 -0500 (EST)

> Not to mention that the PII's and Pros do nothing for DOS programs.  I took
> a copy of Fractint to the local CompUSA and compared the render time of some
> pars made on my P166 at 1600x1200, to a 300mhz PII at 1024x768.  My P166 was
> just a little slower at a high res than the PII at a lower res.  For all of
> those thinking of buying a PII chip to speed up Fractint, go with a MMX
> chip.
> 
> Brian

Whoa, nelly! An MMX chip most certainly does not speed up Fractint versus 
a non-MMX chip that is otherwise equivalent (although it's vaguely 
possible that the cache memory differences between MMX and non-MMX 
systems might matter a trifle) nor will it, until we recompile fractint 
in a 32-bit win95 compiler on an MMX machine... and possibly not even 
then... and while only the gods and Andy Grove know exactly what the 
definition of "MMX" is, the PentiumII is basically an MMX chip anyhow.

I would tend to agree with somebody-or-other that a lack of speedups on 
high-end chips is more a sign of cheesy system components than anything 
else. The gain in floating-point speed between a P166 and a PII-300 is 
more marginal than the megahertz-numbers would suggest, but there is a 
gain... someone's going to post with clock timings and make me feel silly 
for making such a vague, unfounded statement... 



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From: Mark Christenson <mchris@hooked.net>
Subject: (fractint) Re: biased Mandelbrots in Fractint  
Date: 10 Mar 1998 08:17:19 -0800

At 03:00 AM 3/10/98 -0500, Jim Muth wrote (to fractal-art):
>
>FOTD 09-03-98
>...
> (big snip...)
>
>(The following demonstration does not work with the mandel 
>formula hard-coded into Fractint, which for some reason calcu-
>lates the square root of the number the user enters as the 
>perturbation of the starting point of Z. ...)

I noticed the same thing on Saturday, when I generated one of 
my old reliable biased 'brots, something I hadn't previously done in 
Fractint.  When I didn't get the image I expected, I started making 
guesses at systematic causes, and got it on the second try 
(fortunately it was a real-only offset, which made things easier).


Bud


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From: Mark Christenson <mchris@hooked.net>
Subject: Re: (fractint) documentation
Date: 10 Mar 1998 08:45:48 -0800

>At 13:31 08/03/98, Lavondyss wrote:
>>
>>Yeah, it does help if one reads the manuals. 
>> ...

At 05:51 PM 3/9/98 +1300, Morgan L. Owens wrote:
>...
>I'd like to
>suggest that in future if people have a question on this subject they
>should consult the documentation and tutorials first, ...

First, let me say :o) we're among friends here, I'm not flaming.

Of course you're both right.  The documentation is good, 
especially for a large, complex program written by a committee 
of dozens who were never paid, but were also never imprisoned 
for a ten hour corporate meeting to hash out the details.  But it's 
not perfect.  The path through "Help" is not always clear.  For my 
part, in future I shall endeavor to make a note of these difficulties 
and provide feedback to the authors.  We can *all* help to improve 
Fractint by documenting problems (real or perceived) with the 
program and documentation.

For the present, please forgive those of us with weak taxonomic 
skills ;o)
 

Bud


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From: Felix <aduhan@TTACS.TTU.EDU>
Subject: Re: (fractint) [off topic] Viewwindows
Date: 10 Mar 1998 11:51:54 -0600



James R. McKenzie wrote:

> Will Red Hat Linux 5.0x run in EDO memory

Yes, beautifully.

> and can/does it support Iomega external tape drives namely
> the ditto 2GB?

I am using a ZIP external parallel, for which my kernel came precompiled,
even.  It works fine.On the RedHat List I have seen several people ask
about DITTO, and tape-backup is a staple of the *nix diet, so I bet they
are supported.  Check one of the many "supported-hardware lists" for
confirmation.

> I'm dying to try it out (see if I can teach myself to
> use it from the ground up, literally from scratch) but if it won't run
> in the system I've got there's no need in getting it.

I'm in the process of doing the same.  There are *very* few systems that
can't be improved by running Linux...

> Electronics Boutique has it for $29.

Good price.  Buy two or three.  They make great stocking stuffers.

> Just thought I'd ask.  I have a Western Digital Caviar 4.0 ATA HDD too.
> Basically what do I need to know
> first is what I'm asking.  I know this sounds stupid but there are no
> Linux/Unix people to ask around here.  Please let me know ASAP.
>

Any HD should be fine.
Everything I ever needed to know I learned on the net.
Here are some of my bookmarks for you (and anyone else who's seen the
light... :o)  )

http://www.linux.org/
http://www.redhat.com/
http://www.moongroup.com/unix/linux_stuff.html
http://www.linuxhq.com/
http://sunsite.unc.edu/mdw/
http://www.xfree86.org/
http://www.xnet.com/~blatura/linapps.shtml
http://www.ssc.com/lj/
ftp://sunsite.unc.edu/pub/Linux/%21INDEX.html

And the RedHat mailing list can be subscribed by mailing
redhat-list-request@redhat.com
with "subscribe" as the Subject.

good luck!

--Andrew
--
| Andrew Duhan    |     Cereal is     |
| aduhan@ttu.edu  |       g00d.       |
| http://chimera.acs.ttu.edu/~aduhan/ |



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From: Ray Montgomery <elmont@cdsnet.net>
Subject: (fractint) Browser
Date: 10 Mar 1998 11:39:56 -0700

 To whomever can help.
                Is "Netscape" a browser?  When I am wandering around looking
for a particular web-site, or home-page, am I browsing?  Or is a "BROWSER" a
different program that must be added to a computer - in other words, a
software option?  Or is it contained in the computer somewhere or somewhere
in Netscape?

Many thanks to those who have helped my previous problems - Wizzle,
Gumbycat, Bob Carr, Kragen, Bob Margolis, Jay Hill and davides.  I am
struggling to master all the advice that was given.  Whether mastered or
not, I am nonetheless deeply appreciative.

The Nerve of this guy!
        Even though I am new to the group I must take issue with those who
say that docs should be read before time is wasted with needless questions
to the list-server group.
        I have down-loaded perhaps 3/4" of material from Noel Giffens
Fractint Home page, have faltered through through most of it, admired the
plethora of really outstanding images in those pages, have infinite respect
for the Stone Soup Group who created Fractint and for all others who have
contributed - BUT - surely you can understand that almost all who are
mightily informed about a subject, and are writing user-manuals and
documentations of just about any sort, do an awful lot of presuming.
PRESUMING!  This group presumes you know this, and that group presumes you
know that, and another group presumes you know at least this much about
something else.  
        I've read user manuals of one sort or another, as we all have, I'm
sure, and almost all have been written by experts in their field who presume
you know this, that or the other.  They know it so well, and have known it
for so long that they feel sure you must know "at least this much".  Well, I
could go on and persue this much further, but I anticipate some negative
reponses and I don't mean to.  When I was 'teaching' my grand-children 'all
about' the computer, it was a very short time, indeed, before they were
teaching me.  The increase in computer knowlege due to interaction amongst
kids is practically an exponential growth.  I got left behind is all.
        No I am not whining, nor complaining, nor feeling sorry for myself.
I'm having the greatest time of my life with my new hobby.  I want to learn
and I want to learn more and more but, I can't run over to Jimmy's house and
spend hours with the other computer-kids picking up information.
        I don't feel that any of the criticism was directed at me, I am
merely expressing an observation.  Do you know that on the spec sheet of the
"USER'S MANUAL" for my computer it does not tell you what the MHz of the
computer is?  How's that for documentation?

        Thanks for listening.


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From: "Damien M. Jones" <dmj@fractalus.com>
Subject: Re: (fractint) MMX
Date: 10 Mar 1998 10:49:40 -0600

Ian,

 - Whoa, nelly! An MMX chip most certainly does not speed up Fractint versus 
 - a non-MMX chip that is otherwise equivalent (although it's vaguely 
 - possible that the cache memory differences between MMX and non-MMX 
 - systems might matter a trifle)

Those differences can amount to something between 3% and 7%, for an
equivalently-clocked processor.  Due entirely to the P-MMX having twice the
cache of a plain Pentium.

 - nor will it, until we recompile fractint in a 32-bit win95 compiler on
 - an MMX machine... and possibly not even then... 

MMX offers virtually nothing for fractal generation, and it's been covered
ad nauseam on this list.

 - and while only the gods and Andy Grove know exactly what the definition
 - of "MMX" is, the PentiumII is basically an MMX chip anyhow.

The Pentium-II is basically a Pentium Pro with MMX, a different cache, and
a Slot 1 interface instead of Socket 8.

 - I would tend to agree with somebody-or-other that a lack of speedups on 
 - high-end chips is more a sign of cheesy system components than anything 
 - else.

Also keep in mind that FractInt directly accesses video memory, which on
PPro and P-II processors defaults to a very slow access for DOS apps.  When
FractInt is moved to an environment where it doesn't have to read and write
from video memory, it will run better on newer processors.  This difference
is most noticeable on fast images.

Damien M. Jones   \\
dmj@fractalus.com  \\  http://www.icd.com/tsd/ (temporary sanity designs)
                    \\  http://www.fractalus.com/ (fractals are my hobby)

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From: "Damien M. Jones" <dmj@fractalus.com>
Subject: Re: (fractint) Browser
Date: 10 Mar 1998 13:08:53 -0600

Ray,

 - Is "Netscape" a browser?

Yes.  A "web browser" (or just "browser") is a piece of software that lets
you look at web sites.  Some people get Microsoft Internet Explorer
pre-installed on their computers when they buy them; other people download
their browser from the Internet and install it.

 - When I am wandering around looking for a particular web-site, or home-page,
 - am I browsing?

Yes, that's browsing.  It's also called surfing, cruising, or whatever
euphemistic word suits your fancy. :)

 - Or is a "BROWSER" a different program that must be added to a computer -
 - in other words, a software option?

It is always software that must be installed on your computer before you
can use it.  But, you can choose which browser you want to use.  If you
don't like the one you have, you can download and install a different one.

 - Even though I am new to the group I must take issue with those who
 - say that docs should be read before time is wasted with needless
 - questions to the list-server group.

To a point, I agree with you.  There is a lot of information in the
FractInt documentation, and just because something is there doesn't mean
it's easily found.  As the documentation gets larger ("better") this
problem increases.  It'd be nice to see a search feature in the help, but I
don't have time to tinker with the code myself. :)

Sometimes it is frustrating to see the same questions asked over and over
again, but it is the nature of mailing lists and discussion groups in
general, whenever there is the possibility of new people joining the
discussion as time goes by.  A lot of discussions keep a FAQ for just this
reason.  FractInt is a big, complex program; I used it for a number of
years, chafing at the 2048x2048 limit, before I "discovered" the divide and
conquer feature that had been there all along.  And yet, it was in the manual!

My point: we all need to be a bit more tolerant.  Yes, it is nice for
people to check the manual and available documentation first to see if
their question is answered.  But we shouldn't scold someone because they
couldn't find the answer they were looking for, even if *we* know where the
answer is.

Damien M. Jones   \\
dmj@fractalus.com  \\  http://www.icd.com/tsd/ (temporary sanity designs)
                    \\  http://www.fractalus.com/ (fractals are my hobby)

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From: "Jay Hill" <ehill1@san.rr.com>
Subject: Re: (fractint) SStools....
Date: 10 Mar 1998 12:05:01 -0800

> From: Wizzle <wizzle@cci-internet.com>
> Ray...
> 
> sstools.ini "ships" with fractint under the disguise of 
> 
> sstools2.ini
> 
> What you need to do is read up a bit on the features sstools.ini controls
> at the Fractint homepage....
> 
> http://spanky.triumf.ca/www/fractint/findex.html
> 
> or pay attention to postings on the list......or get Jay Hill to tell you
> where his great explanation of sstools.ini is posted (I remember it being
> somewhere).

On my web site I have this in the iFAQ:
http://home.san.rr.com/jayrhill/iFAQ/SSTOOLS_INI.txt

> 
> Then...decide how you want to modify sstools2.ini (you can do that in
> notepad) and save the file as sstools.ini in your Fractint directory. 
> 


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From: "Peter Gavin" <pgavin@mindspring.com>
Subject: (fractint) Arb-prec digits
Date: 10 Mar 1998 15:08:24 -0500

Umm, I was just wondering...  How can you figure out what the best amount of
digits to use for arb-prec?  I notice it usually is a certain amount more
than the exponent of the zoom factor, but how many more is enough?  And how
does fractint know when to kick it in?  Is there a certain "tolerance" or
something that it uses?  Oh, and how many digits does fractint have access
to in float-mode, and does it always use them all?

Pete
<pgavin@mindspring.com>




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From: "Jay Hill" <ehill1@san.rr.com>
Subject: Re: (fractint) Text won't print
Date: 10 Mar 1998 13:22:42 -0800

Hi folks,
I am reading poor solutions to a problem caused by web page 
design problems. Someone posted a URL of a site discussing 
good web page design, things like no blinking text, no scrolling 
text, black text on dark blue background....

If you want folk to read and study your page, make it EASY for
them. Forget the cutsy artsy stuff if it is for study and reference.

I have access to a laser printer which will show shades of gray 
for colors. Even it has trouble with some pages. I have a ink jet
also which refuses to print a color page unless I switch to the color
cartridge. I pain for the one line someone puts in color.

I copy as txt and the formatting is totally gone. I see one giant 
run-on paragraph. My solution? Save as HTML and read in with 
a browser with edit capability which lets me set the colors 
and background.  It is a lot of trouble and does not easily deal
with the illustrations. Then there are the frame pages... 
I usually move on to another site. There are so many others 
that are not frustrating.

Bottom line. Keep It Simple on your study and reference sites.

Jay
PS. An example of what I recommend is my iFAQ
http://home.san.rr.com/jayrhill/iFAQ/iFAQ.html
where you will see it is bare minimum and links to 
ASCII txt files which you can view, study, print save as 
you wish.

> From: Bob Margolis <rttyman@wwa.com>
> Wizzle wrote:
> > 1. with the page you want to print open in your browser....select
> > "file....save as" which will download the page with the html code to your
> > own computer....stick it in a folder someplace where you can find it
> > 2. open the page you just downloaded in your browser using
> > "file.....open".....the page should come up against a nice clean white
> > background which will print the text just fine right from your browser.

> Hi Team Fractals:
> 
> Here's how I print out from Web sites. Before doing any printing job,
> click on Print Preview to see how the pages will look when they are sent
> to your printer. If it looks fine, then go ahead with the printing job.
> If not, here's where I differ from Wizzle's suggestion. When clicking on
> "save as" don't save as an html page. Rather, save it as (filename).txt.
> This method will eliminate all html control codes from your saved file.
> You'll be able to read your file easily without getting eyestrain from
> trying to read the text among all those control codes.


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From: Neil Davidson <ndavidson@enterprise.net>
Subject: (fractint) other lists
Date: 11 Mar 1998 22:14:56 -0000

What other fractint list are there that deal with the more technical issues behind fractint?

I have read of some a while back on this list but cannot find any in the archive i have here

Neil Davidson

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From: "Rob Fargher" <fargher@POBoxes.com>
Subject: (fractint) Best CPU for Fractint
Date: 10 Mar 1998 18:26:49 +0700

In fractint-digest V1 #128; 
said:

>For all of those thinking of buying a PII chip to speed up Fractint, go 
>with a MMX chip.

  Now this is very interesting.  I have an IBM 6x86 P-150+ and have
been considering upgrading.  I would be very interesting in ensuring
that my upgrade would significantly speed up Fractint's rendering.

  So if I understand you correctly, this would be a good reason to 
consider an AMD 233 MHz K6 (which has MMX) over a PII 233 MHz?

Cheers,
Rob



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From: "Rob Fargher" <fargher@POBoxes.com>
Subject: (fractint) Best CPU for Fractint
Date: 10 Mar 1998 18:39:39 +0700

In Fractint-diegest V1 #128
said:

>Also keep in mind that FractInt directly accesses video memory, which on
>PPro and P-II processors defaults to a very slow access for DOS apps.  When
>FractInt is moved to an environment where it doesn't have to read and write
>from video memory, it will run better on newer processors.  This difference
>is most noticeable on fast images.

  I run Fractint 19.6 in a virtual DOS machine under OS/2 Warp 4.0.  It runs 
very, very well there.  Normally, when rendering an image (say one of the
beauties that appears on this list), I'll render it in the background, using on
of the "disk video" modes and go back to reading mail, etc. while the fractal
renders.

   Do I understand you correctly when I read from your statement above that 
such a "disk video" mode will render faster than direct display while rendering?

Cheers,
Rob


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From: davides <davides@pipeline.com>
Subject: Re: (fractint) Browser 
Date: 10 Mar 1998 18:43:35 -0500

Off topic post in reply, but bear with me for a minute. When Ray wrote:

"The Nerve of this guy!
>        Even though I am new to the group I must take issue with those who
>say that docs should be read before time is wasted with needless questions
>to the list-server group. (remainder snipped)"

I emailed an answer back as opposed to posting it. A portion is copied here:
"When you wrote:
"The Nerve of this guy!"

and expressed some exception being taken to the comment the individual
made, may I suggest that his intent was very likely not to be condescending
or insulting. He may have just been having a bad day, perhaps frustrated at
this or that, and wrote in a manner in which he did not intend. This is
very easy to do - I've done it myself, we all have. It is best, usually, to
just let items which may have irritated you to slide by with no response
whatsoever. A _very_ net savvy person who is one of the best in the country
at computer knowledge and so on once wrote concerning "flames" and the
like: "The best response is no response."

I think what the person may have been attempt to say which came across
wrong was that often most questions concerning fractint can be answered by
looking in the documentation that is integral to fractint. While it is true
that the documentation provided with many programs can be sparse and
insufficient, fractint's documentation is, _without doubt so far as I have
ever seen_ the most complete documentation of any program produced.
Especially freeware. Believe me. I printed the damn (oops) thing out - to
the tune of somewhere close to 300 pages! Covering everything in the world.
In fact, the documentation is so massive it is almost too complete. This in
and of itself can be daunting to look at, especially if one is unfamiliar
with the program and is still new to making fractals and so on. In this
case some questions which may be covered in the documentation may very well
be expected...

My biggest embarrassments come when I cannot find a procedure to do
something in a program I have, including in the docs and so on, write up a
question concerning it, email the question, and 30 minutes later while
going through the doc's again, or more likely just tinkering with the
program, find the answer myself. And then I get to sit back and wait for an
email answer and you know the person answering is thinking: "Hasn't he even
looked?" But it happens. Nothing to be really concerned about...

Point being intuitively self explanatory. 
Thanks for bearing with me...


davides@pipeline.com
Back up my hard drive?
How do I put it in reverse?

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From: "Damien M. Jones" <dmj@fractalus.com>
Subject: Re: (fractint) Best CPU for Fractint
Date: 10 Mar 1998 18:05:23 -0600

Rob,

 - I run Fractint 19.6 in a virtual DOS machine under OS/2 Warp 4.0.  It runs 
 - very, very well there.

OS/2 has always had extensive options for DOS boxes that makes it far more
flexible than DOS boxes under Win95.

 - Do I understand you correctly when I read from your statement above that 
 - such a "disk video" mode will render faster than direct display while
 - rendering?

Generally, I would think yes, but it depends on the specific image.
However, from your previous message I see you are using a Cyrix 6x86, which
does not have the same problem that PPro and P-II processors have when
accessing video RAM.  If you're considering upgrading that computer, I
would recommend an Intel processor over AMD because the floating-point
performance--what fractals depend on most--is much better on Intel chips.
I switched from a 6x86P120+ to a Pentium-166 and got a much bigger speed
boost for fractals than just 40%.  And FractInt's not even Pentium-optimized.

BTW, Pentium-II processors have MMX support.

Damien M. Jones   \\
dmj@fractalus.com  \\  http://www.icd.com/tsd/ (temporary sanity designs)
                    \\  http://www.fractalus.com/ (fractals are my hobby)

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From: Rich Thomson <rthomson@ptc.com>
Subject: Re: (fractint) MMX 
Date: 10 Mar 1998 17:10:35 -0700


In article <3.0.3.32.19980310104940.02fc32dc@mail.icd.com> ,
    "Damien M. Jones" <dmj@fractalus.com>  writes:
> MMX offers virtually nothing for fractal generation, and it's been covered
> ad nauseam on this list.

"MMX II" may be different though.  What I've been reading is that they
extended the SIMD approach to floating-point computations, which could
imply that an inner-loop M-set computation might be able to compute 8
pixels at a time.  However, I think the bailout test might put some
flies in that ointment.
--
                                               Rich Thomson
                                               rthomson@ptc.com

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From: "Tim Wegner" <twegner@phoenix.net>
Subject: Re: (fractint) documentation
Date: 10 Mar 1998 18:38:09 -0600

Mark wrote:

> But it's 
> not perfect.  The path through "Help" is not always clear.  For my 
> part, in future I shall endeavor to make a note of these difficulties 
> and provide feedback to the authors.  We can *all* help to improve 
> Fractint by documenting problems (real or perceived) with the 
> program and documentation.

Actually, you can do better than that. With a copy of the help 
compiler, you can actually directly edit the *.src files, compile 
them, and add them to fractint.

The only limitation of this is that if you want to change the hot 
links, you need a C compiler. My point is that no programming skills 
are needed to edit the documentation as long as links aren't changed.

We'd love to have volunteers help with the docs. If anyone would like 
to do this, let me know.

Tim


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From: "Damien M. Jones" <dmj@fractalus.com>
Subject: Re: (fractint) MMX 
Date: 10 Mar 1998 18:40:20 -0600

Rich,

 - "MMX II" may be different though.  What I've been reading is that they
 - extended the SIMD approach to floating-point computations, which could
 - imply that an inner-loop M-set computation might be able to compute 8
 - pixels at a time.

If AMD's 3D extensions to MMX are any indication, then MMX-II will allow
two single-precision floating-point operations to be performed in parallel.
 The problem with this approach is that like MMX, which only allows
multiplies on 16-bit math, single-precision floating-point just doesn't get
you very far with fractals.  And you only get to do two of these at once,
not eight, so the speed-up will at most be only two-fold.

Damien M. Jones   \\
dmj@fractalus.com  \\  http://www.icd.com/tsd/ (temporary sanity designs)
                    \\  http://www.fractalus.com/ (fractals are my hobby)

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From: Wizzle <wizzle@cci-internet.com>
Subject: Re: (fractint) Text won't print
Date: 10 Mar 1998 18:40:29 -0800

I happen to agree with Jay about lesson pages needing to be easy to access
and am planning on re-doing my artsy navy blue pages in pale gray shortly.

Regarding the documentation discussion, my own solution to many of the
points made is to post as much tutorial information as I can on my
homepages and link to other tutorial or discussion pages to provide an
alternative to documentation.  I will be adding links to Jay's section and
BillNY's material when I re-do my Fractint lessons/hints section. I too
tried to read the documentation that comes with Fractint....which really is
excellent and quite thorough......when I started a year ago.  However, I
don't have the math/programmer's mind that absorbs information in that
format......it simply didn't "click" until I joined this list. 

Perhaps what we need is "tutorial stone soup" which Noel might help out
with by adding some links to the existing tutorial pages. Then the
tutorially minded among us could simmer our hints and lessons pages and
link to each other. The folks on the list would be benefited by being able
to refer the befuddled to the tutorial links.  What do you think?

Nother topic....

Tim made a call for suggestions for better color maps to bundle with
Fractint.  I'm certainly willing to offer up my favorites which include
maps I've "borrowed" from Chessiecat, Gumbycat, Sylvie, Les, Paul
C....well....my list goes on and on.....plus some of my own. I don't
believe this area should be left to just one or two people as we all have
strong color preferences and the bundled maps ought to provide a sampling
of what I think of as "map types".....i.e. maps with gradients of varying
periodicity (new word), stripes (yuck), areas of black.....etc. Good maps
make for good fractal images and are particularly important for the
beginner. Please email me at

wizzle@cci-internet.com

if you would like to discuss this topic. I volunteer to "hold the
paintbrush" and compile suggestions. 

Angela


>Hi folks,
>I am reading poor solutions to a problem caused by web page 
>design problems. <<snipped>>
>If you want folk to read and study your page, make it EASY for
>them. Forget the cutsy artsy stuff if it is for study and reference.
><<snipped>>
>Bottom line. Keep It Simple on your study and reference sites.
>
>Jay


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From: Wizzle <wizzle@cci-internet.com>
Subject: Re: (fractint) Carr3371
Date: 10 Mar 1998 19:07:06 -0800

George....

How is this formula different than Bob's formula? Should I be keeping both
and giving them different names? I have no idea about if....else. Can I
overwrite Bob's formula and still produce his images?

Angela

At 10:55 AM 3/9/98 -0500, you wrote:
>Friends,
>
>Here is an "if..else" rewrite of Bob's recently posted formula:
>
>
>Carr3371 (YAXIS) {; Modified Sylvie Gallet frm.1996
>                  ; Rewritten for if..else by George Martin 3/9/98
>                  ; passes=1 needs to be used with this PHC formula
>  pixel=-abs(real(pixel))+flip(imag(pixel))
>} <<formula snipped>>
>
>
>George Martin


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From: pjcarlsn@ix.netcom.com (Paul and/or Joyce Carlson)
Subject: (fractint) Modified Continued Fraction Formula
Date: 10 Mar 1998 21:02:13 -0600 (CST)

comment {; Modified continued fraction formula
This formula uses the Mandelbrot set equation in a modified
continued fraction, rendered with the Atan method. The first
par gives an overall image of the Mset using the "ident"
function (ie, no function).  The little "dimples" in these
images are interesting ares to zoom into, each containing a
little Mandy.

Paul Carlson
}

frm:CnFrc_Fnc_Mset {; Copyright (c) Paul W. Carlson, 1998
    ; real(p1) = controls size of elements (1 to 32)
    ; imag(p1)   not used
    ; real(p2) = usually 1
    ; imag(p2)   not used
    ; real(p2) = number of color ranges
    ; imag(p2) = number of colors in a range
    w = z = iter = range_num = bailout = 0
    c = pixel
    num_ranges = real(p3)
    colors_in_range = imag(p3)
    :
    prev_w = w
    k = w * w + c
    w = k - fn1(p2/(k+p2/(k+p2/(k+p2/(k+p2/(k+p2))))))
    IF (abs(real(w)) > p1)
	bailout = 1
	angle = abs(atan((imag(w)-imag(prev_w))/(real(w)-\
		real(prev_w))))
	index = 2 * colors_in_range * angle / pi
	z = index + range_num * colors_in_range + 1
    ENDIF
    range_num = range_num + 1
    IF (range_num == num_ranges)
	range_num = 0
    ENDIF
    iter = iter + 1
    z = z - iter
    bailout == 0
}

cnfrfnm1           { ; Copyright (c) Paul W. Carlson, 1998
  reset=1960 type=formula formulafile=cnfrfnc.frm
  formulaname=cnfrc_fnc_mset function=ident passes=t
  center-mag=-0.363636/0/0.6666667 params=2/0/1/0/2/125 float=y
  maxiter=300 inside=253 outside=summ
  colors=000zW0<93>d50d50d50d50d50d50<24>d50GGz<123>00O000<3>000
  }

cnfrfnm2           { ; Copyright (c) Paul W. Carlson, 1998
  reset=1960 type=formula formulafile=cnfrfnc.frm
  formulaname=cnfrc_fnc_mset function=tan passes=t
  center-mag=-0.31838046162856750/+0.00000000000000000/165.071\
  4/1/-90 params=0.3/0/1/0/2/125
  float=y maxiter=1000 inside=253 outside=summ
  colors=000zzz<123>OOOzVz<123>C0C000<3>000
  }

cnfrfnm3	   { ; Copyright (c) Paul W. Carlson, 1998
  reset=1960 type=formula formulafile=cnfrfnc.frm
  formulaname=cnfrc_fnc_mset function=tan passes=t
  center-mag=-0.75447881955018380/+0.00000000000000001/28161\
  8.3/1/-90 params=0.8/0/1/0/2/125
  float=y maxiter=1000 inside=253 outside=summ
  colors=000zVz<123>C0Czzz<123>OOO000<3>000
  }

cnfrfnm4	   { ; Copyright (c) Paul W. Carlson, 1998
  reset=1960 type=formula formulafile=cnfrfnc.frm
  formulaname=cnfrc_fnc_mset function=tan passes=t
  center-mag=-2.36993840473094200/+0.00000000000000000/29624\
  3.6/1/-90 params=2.1/0/1/0/2/125
  float=y maxiter=1000 inside=253 outside=summ
  colors=000zz0<123>aG00W2<123>080000<3>000
  }

cnfrfnm5	   { ; Copyright (c) Paul W. Carlson, 1998
  reset=1960 type=formula formulafile=cnfrfnc.frm
  formulaname=cnfrc_fnc_mset function=tan passes=t
  center-mag=-2.23637362978152600/-0.00000000000000000/2.997\
  763e+009/1/-90 params=2/0/1/0/2/125
  float=y maxiter=1000 inside=253 outside=summ
  colors=000zW0<93>d50d50d50d50d50d50<24>d50GGz<123>00O000<3>000
  }

cnfrfnm6	   { ; Copyright (c) Paul W. Carlson, 1998
  reset=1960 type=formula formulafile=cnfrfnc.frm
  formulaname=cnfrc_fnc_mset function=sqrt passes=t
  center-mag=-0.20224742875980910/+0.04306772560268265/2.13079\
  7e+008/1/-109.998
  params=1.4/0/1/0/2/125 float=y maxiter=1000 inside=253
  outside=summ colors=801sF_<123>C02Mov<123>HKS000<3>000
  }

cnfrfnm7	   { ; Copyright (c) Paul W. Carlson, 1998
  reset=1960 type=formula formulafile=cnfrfnc.frm
  formulaname=cnfrc_fnc_mset function=ident passes=t
  center-mag=-2.30959242851517700/+0.00000000000000221/3.30018\
  2e+009/1/-90 params=2/0/1/0/2/125
  float=y maxiter=1000 inside=253 outside=summ
  colors=000zqa<123>WRFz88<123>O00000<3>000
  }

cnfrfnm8           { ; Copyright (c) Paul W. Carlson, 1998
  reset=1960 type=formula formulafile=mm.par
  formulaname=cnfrc_fnc_mset function=sin passes=t
  center-mag=-0.519429/5.20417e-018/98.03922/1/-90
  params=1.3/0/1/0/2/125
  float=y maxiter=300 inside=253 outside=summ
  colors=000zz0<123>aG0zzz<123>VVV000<3>000
  }



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From: "Peter Gavin" <pgavin@mindspring.com>
Subject: (fractint) Arb-prec (again :)  )
Date: 10 Mar 1998 22:12:06 -0500

Umm..  I played around with that image from the par i sent a little bit ago,
and it seems to me like 17-digit precision is the magic number.  You won't
get the detail you want without this many, or more.  It seems to me that if
the # of digits is less than 17, all the images (i.e. the one at a spot for
15 digits, and the same spot at 14) are identical.  But, if you move from 16
to 17, you immediately notice the difference.  MUCH more detail, and no
solid blocks.  I find this somewhat odd; I've never had it happen before.
However, the params I used for the julia set were very very precise, with 20
or so digits.  (I zoomed in on an m-set and found a mini-brot, and used its
coordinates as the params.)  That may explain why, but I never tried
changing them...  a little change in the params can be a BIG deal :)

Pete
<pgavin@mindspring.com>



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From: "Jay Hill"<jrhill@nosc.mil>
Subject: Re: (fractint) Carr3371
Date: 10 Mar 1998 19:14:47 -0800


wizzle wrote
>How is this formula different than Bob's formula? Should I be keeping both
>and giving them different names? I have no idea about if....else. Can I
>overwrite Bob's formula and still produce his images?
I put both in the same file and renamed the old one with an appended
letter.
Then see if the images are the same with the new one.  If they are not,
then
the formula is not a replacement. If it is, then you can choose which you
like better, for speed, easy understanding, ...

And
>Perhaps what we need is "tutorial stone soup" which Noel might help out
>with by adding some links to the existing tutorial pages. Then the
>tutorially minded among us could simmer our hints and lessons pages and
>link to each other. The folks on the list would be benefited by being able
>to refer the befuddled to the tutorial links.  What do you think?

That is the nature of the web.  People will make links to the sites they
think
are helpful or interesting.  There are right now a few links which help
with
Fractint issues. They could be better 'linked' and when that happens, a few
will become good entry points for the questioner.  Right now, a long time
starting point for me is Spanky which I point to from my site.  Another
starting
point is the sci.fractals FAQ.

Any one heard from Dr. J and his Fractal of the Night stuff?  :-)
I've been way to busy with my night shift product testing to check up on
him.
From the looks of some messages I'm getting from fractal space, I think he
wants to get some new information out, but I just don't have time. Maybe
soon.  :-)

Cheers,
Jay
http://home.san.rr.com/jayrhill/



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From: Les St Clair <Les_StClair@compuserve.com>
Subject: Re: (fractint) documentation and Good machines
Date: 10 Mar 1998 22:18:24 -0500

BJ wrote:

>> I ... compared the render time of some
>> pars made on my P166 at 1600x1200, to a 300mhz PII at 1024x768.  My P1=
66
was
>> just a little slower at a high res than the PII at a lower res. =


IK replied:

> The gain in floating-point speed between a P166 and a PII-300 is =

> more marginal than the megahertz-numbers would suggest, but there is a =

> gain... someone's going to post with clock timings and make me feel sil=
ly

> for making such a vague, unfounded statement... =


I tend to go along with IK's view that the clock speed alone should make
the PII's perform better.
Here's what I found with one of Brian's own pars -

> bejones3           { ; Contest image #3      t=3D00:18:18.07
>                      ; on a P166 at 1600x1200

On my PII-266 (under Win'95), I found
1600x1200, t=3D14m45s (24% faster)
1024x768, t=3D6m36s (192% faster)

hardly a startling improvement (considering that the clock speed is 60%
faster), but a bit quicker nontheless.

- Les






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From: "Peter Gavin" <pgavin@mindspring.com>
Subject: Re: (fractint) Modified Continued Fraction Formula
Date: 10 Mar 1998 22:21:20 -0500

It's kind of a cool idea, I guess, but doing the fraction in this manner can
be very slloowww...  :)  I'll show you a better way:

given:

            m
y =  -----------------
      n +     m
          -----------
           n +   m
               -----
                n + ...

you can replace m/(n+m/(n+....)) with y...  i.e.:

             m
y =   --------------
        n   +   y

then solve for y.
you'll get:

y(y + n) - m = 0
y^2 +ny - m = 0

and use quadratic formula...

    -n (+/-) sqrt(n^2 + 4m)
y = -----------------------
               2

This gives you the exact answer for y, without repeating the iteration of
m/(n+m/...).  Therefore, it's much faster.  I hope this helps :)

Pete



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From: "Peter Gavin" <pgavin@mindspring.com>
Subject: Re: (fractint) Modified Continued Fraction Formula
Date: 10 Mar 1998 22:28:59 -0500

Oh, yeah...  I guess you would only use plus, not plus OR minus in the
quadratic formula... :)

Pete



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From: HWeber8606 <HWeber8606@aol.com>
Subject: Re: (fractint) Text won't print
Date: 11 Mar 1998 00:05:50 EST

Hi Jay,

I visited yiur web-page and found your wonderful F.O.T.N. images, but I've
lost the adress of your site. Please post it for me.

Cheers --Jo--

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From: HWeber8606 <HWeber8606@aol.com>
Subject: Re: (fractint) documentation
Date: 11 Mar 1998 00:07:36 EST

Hi Njan,

since some days my web-browser can't find your website - no file found!!
Please post the adress again. Thanks
Cheers --Jo--

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From: "Brian E. Jones" <bejones@netunlimited.net>
Subject: Re: (fractint) documentation and Good machines
Date: 11 Mar 1998 00:17:42 -0500

Hi Les,

>>
I tend to go along with IK's view that the clock speed alone should make
the PII's perform better.
Here's what I found with one of Brian's own pars -
> bejones3           { ; Contest image #3      t=00:18:18.07
>                      ; on a P166 at 1600x1200
On my PII-266 (under Win'95), I found
1600x1200, t=14m45s (24% faster)
1024x768, t=6m36s (192% faster)
<<

Very interesting.

I ran the same par in Windows on my P233-MMX, here are the results:

1600x1200, t=12m40.71s
1024x768, t=5m37.17s

Compared to Les's, why is my 1600x1200 result faster than the 1024x768,
anyone?

Brian
-
http://ourworld.compuserve.com/homepages/Brian_E_Jones
-
Brian_E_Jones@compuserve.com
-
bejones@netunlimited.net



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From: pjcarlsn@ix.netcom.com (Paul and/or Joyce Carlson)
Subject: Re: (fractint) Modified Continued Fraction Formula
Date: 11 Mar 1998 00:14:14 -0600 (CST)

Pete,

>This gives you the exact answer for y, without repeating the iteration of
>m/(n+m/...).  Therefore, it's much faster.

Thanks - I appreciate the suggestion.  However, it can't be used to
reproduce the images created by my formula.  I wrote this formula as
an extension of my playing around with Taylor series of transcendental
functions.  And, just as log(z^2+1) + c does not produce an image with the
little "dimples" that make it interesting while the first few terms of the
Taylor series of log(z^2+1) + c does, the same is true with continued
fractions.  Using your exact solution produces entirely different
images that lack the small areas of discontinuity which contain
baby Mandelbrots in highly symmetrical (usually) settings.

Paul Carlson


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From: George Martin <76440.1143@compuserve.com>
Subject: Re: (fractint) Carr3371
Date: 11 Mar 1998 05:56:34 -0500

Angela,

>
How is this formula different than Bob's formula? Should I be keeping both
and giving them different names? I have no idea about if....else. Can I
overwrite Bob's formula and still produce his images?
<

Sorry for not explaining.

You can delete Bob's original formula and replace it with the if..else
version of the formula which I posted. The revised formula will draw the
exact same images as the original formula, only much faster.

The most recent version of Fractint introduced the use of explicit
conditional branching instructions in formulas, commonly referred to as the
if..else feature. Previously, conditional branching was achieved through a
very creative but time consuming series of formula instructions; Bob's
original Carr3371 is a good example of how this was done. Occasionally,
Sylvie or I will take a formula using the old method and rewrite it to take
advantage of the new feature. Before posting the revision, we will check to
make sure it is in fact drawing the same images as the original formula.
The revision will have the same name as the original, and is intended to
replace it. 

George Martin


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From: "Paul N. Lee" <Paul.N.Lee@Worldnet.att.net>
Subject: Re: (fractint) Browser
Date: 11 Mar 1998 07:36:12 -0600

Damien M. Jones wrote:
>
> Ray Montgomery wrote:
> -
> - Even though I am new to the group I must take issue with those who
> - say that docs should be read before time is wasted with needless
> - questions to the list-server group.
> 
> To a point, I agree with you.  There is a lot of information in the
> FractInt documentation, and just because something is there doesn't
> mean it's easily found.  As the documentation gets larger ("better")
> this problem increases.  It'd be nice to see a search feature in the
> help, but I don't have time to tinker with the code myself. :)
>

What could be done is to use the FRACTINT INDEX at:
    http://spanky.triumf.ca/www/fractint/findex.html
to find pertinent information for a particular area.  Almost all of the
information necessary to use FractInt is available online at the
database.  The only thing that is missing is an easy way to search
through the website for all references to specific keywords.

May be we can talk Noel Giffin into adding the following code to one of
the "major" FractInt webpages at Spanky
_______________________________________________________________________
<TABLE BORDER="0" WIDTH="80%" CELLPADDING="5">
  <TR>
    <TD>
      <FONT SIZE="-1">
      <P ALIGN="CENTER">
      Either choose one of the above topics or use the following:
      <FORM method=GET
action="http://www.altavista.digital.com/cgi-bin/query">
        <INPUT TYPE="hidden" NAME=pg VALUE=aq>
        <INPUT TYPE="Hidden" NAME=what VALUE=web>
        <NAME=fmt VALUE=".">
        <INPUT TYPE="HIDDEN" name=q cols=0 rows=0 wrap=virtual
VALUE="url:spanky.triumf.ca/">
        <CENTER>
        <INPUT TYPE=text name=r size=40>
        <INPUT TYPE=Hidden NAME=d0 SIZE=0 MAXLENGTH=32 VALUE="">
        <INPUT TYPE=Hidden NAME=d1 SIZE=0 MAXLENGTH=32 VALUE="">
        <INPUT TYPE=Hidden NAME=text SIZE=0 MAXLENGTH=32 VALUE="yes">
        <INPUT TYPE=submit VALUE="Search">
        </CENTER>
      </FORM>
      <P ALIGN="CENTER">
      DO <B>NOT</B> use Advanced Syntax (AND, OR, NOT, NEAR)
      </FONT>
    </TD>
  </TR>
</TABLE>
_______________________________________________________________________

Another possible solution is the use of the FRACTINT.DOC in a word
processor (such as Microsoft Word) that allows the creation of a table
of contents that sends one straight to the page in question, and/or use
of search/find functions.

I could create a Win-95 compatible Help file using the FRACTINT.DOC if
there was a demand for this by the FractInt Developers.  It would take
many hours of work (probably weeks) to get it fully functional with all
of the current data (or the new 2.0 data).  But then a quicker index and
search capability would be available than being on the web or using a
word processor.

Later,
P.N.L.


     Why do most folks hate cynics so much?
       Because we're almost always right.
http://home.att.net/~Paul.N.Lee/PNL_Fractals.html

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From: ao950@freenet.carleton.ca (Paul Derbyshire)
Subject: Re: (fractint) MMX
Date: 11 Mar 1998 12:50:11 -0500 (EST)


Then if Fractint seems to run slower than you'd expect on a P-II, wouldn't
trying a disk video mode show the "true" speed, by avoiding the video
slowdowns?


--
    .*.  Friendship, companionship, love, and having fun are the reasons for
 -()  <  life. All else; sex, money, fame, etc.; are just to get/express these.
    `*'  Send any and all mail with attachments to the hotmail address please.
Paul Derbyshire ao950@freenet.carleton.ca pgd73@hotmail.com

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From: glegg@iafrica.com (Gordon Legg)
Subject: (fractint) Documentation search function
Date: 11 Mar 1998 17:48:40 GMT

Hi to those having trouble searching the documentation:

Simply load the fractint.doc into your favourite word processor, I use 
wp5.1, and you have all the search and indexing function you would like.

I have a printed out version of the file as well since I  cannot get used to 
absorbing text from a screen as opposed to a book.  Very handy for 
making ones own annotations to the text, particularly in the vague areas.


Regards
Gordon
 


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From: kragen@pobox.com (Kragen)
Subject: Re: (fractint) Browser 
Date: 11 Mar 1998 12:59:20 -0500 (EST)

On Tue, 10 Mar 1998, davides wrote:
> I emailed an answer back as opposed to posting it. A portion is copied here:
> "When you wrote:
> "The Nerve of this guy!"
> 
> and expressed some exception being taken to the comment the individual
> made, may I suggest that his intent was very likely not to be condescending
> or insulting. 

Indeed!  Many times I have insulted someone on email, completely
without intending to.  Sometimes email is a weird medium -- you think
you said what you meant pretty clearly, but the person who responds
obviously thinks it's clear you mean something completely different.

If you're dealing with reasonable people, this can often be corrected
by saying, "It sounds like you were trying to insult me.  Is that what
you meant?"  Or, "It sounds like you thought I was trying to insult
you.  That wasn't what I meant!" if you're on the other side.

Also, it's easy for your emotions to run high over email.

> I think what the person may have been attempt to say which came across
> wrong was that often most questions concerning fractint can be answered by
> looking in the documentation that is integral to fractint. While it is true
> that the documentation provided with many programs can be sparse and
> insufficient, fractint's documentation is, _without doubt so far as I have
> ever seen_ the most complete documentation of any program produced.
> Especially freeware. 

Well, it sounds like you haven't used Linux.  This situation is quite
typical of `open-source' software, where anyone can copy, modify, and
use the software freely.  Typically, the people who wrote the software
end up getting asked lots of questions over and over, so, being lazy,
they put the answers in the documentation in the next release so that
they won't get asked so much :)

Also, after you answer the same question in email three or four times,
you have a pretty decent manual page -- all you need to do is add it :)

> Believe me. I printed the damn (oops) thing out - to
> the tune of somewhere close to 300 pages! Covering everything in the world.
> In fact, the documentation is so massive it is almost too complete. This in
> and of itself can be daunting to look at, especially if one is unfamiliar
> with the program and is still new to making fractals and so on. In this
> case some questions which may be covered in the documentation may very well
> be expected...

The usual solution in the Linux world is to write HOWTO documents that
guide people through common tasks.  One HOWTO example -- on how to set
your Linux machine up to use Hebrew characters -- can be found at
<URL:http://sunsite.unc.edu/LDP/HOWTO/Hebrew-HOWTO.html>.

This way, when you want to know how to do something, you check to see
if there's a HOWTO that covers it -- and there usually is, since with
four to ten million Linux users, it's likely that thousands of people
have tried to do what you're trying to do, and some of them have
written about it -- and read the HOWTO.  But if you want to understand
how something works -- or if there's no HOWTO --, you look it up in the
reference manual and get a detailed explanation.

Also, FAQs are often helpful.

> My biggest embarrassments come when I cannot find a procedure to do
> something in a program I have, including in the docs and so on, write up a
> question concerning it, email the question, and 30 minutes later while
> going through the doc's again, or more likely just tinkering with the
> program, find the answer myself. 

This happens to me often.  FAQs help some here, but a well-organized
manual and FAQ is most important in keeping this from happening.

The HOWTOs usually have exemplary organization -- you can usually read
them straight through, but they also have a well-defined (and usually
well-thought-out) hierarchical structure that lets you quickly find the
answer to a particular question.

> And then I get to sit back and wait for an
> email answer and you know the person answering is thinking: "Hasn't he even
> looked?" But it happens. Nothing to be really concerned about...

Indeed.  (Folks: remember this next time you answer a question like
this!) :)

Kragen


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From: kragen@pobox.com (Kragen)
Subject: Re: (fractint) Text won't print
Date: 11 Mar 1998 13:14:26 -0500 (EST)

On Tue, 10 Mar 1998, Jay Hill wrote:
> I am reading poor solutions to a problem caused by web page 
> design problems. Someone posted a URL of a site discussing 
> good web page design, things like no blinking text, no scrolling 
> text, black text on dark blue background....

It's also caused by web-browser design problems.  I use Opera
(http://www.operasoftware.com/) which lets me turn off all those
annoying colors with a convenient button, and doesn't print backgrounds
by default.

> If you want folk to read and study your page, make it EASY for
> them. Forget the cutsy artsy stuff if it is for study and reference.

Agreed -- to some extent.  If the artsy stuff actually makes it easier
to follow, which it can if it's used well, it should stay :)

> I have access to a laser printer which will show shades of gray 
> for colors. Even it has trouble with some pages. I have a ink jet
> also which refuses to print a color page unless I switch to the color
> cartridge. I pain for the one line someone puts in color.

In MS-Windoze, you can usually set your printer to print in
black-and-white from the Print dialog box.

> I copy as txt and the formatting is totally gone. I see one giant 
> run-on paragraph. My solution? Save as HTML and read in with 
> a browser with edit capability which lets me set the colors 
> and background.  It is a lot of trouble and does not easily deal
> with the illustrations. 

Yeah, that's no fun.  I like Opera for this -- one quick button and
it's done.

> Then there are the frame pages... 
> I usually move on to another site. There are so many others 
> that are not frustrating.

Agreed!  *Everyone* (except web page designers) hates frames.  I
usually turn off frames support in Opera -- and when I have it turned
on, I usually use its `maximize frame' feature, which expands one frame
to fill the whole browser window.

In Netscape or MSIE, I usually unframe myself by opening links in a new
window -- in Netscape, you can do this by clicking on them with the
middle button, and in both of them, you can do this by right-clicking
on a link and selecting `open in new window'.

When Netscape first invented frames, they changed
http://home.netscape.com/ to be a frames page.  They got so many
complaints about it that they turned it back into a normal page.

> Bottom line. Keep It Simple on your study and reference sites.

Keeping it simple, if possible, is good for *any* web site.  (Although
pretty backgrounds are kind of neat sometimes.)

Kragen


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From: "Nhan Nguyen" <Nhan.H.Nguyen-1@tc.umn.edu>
Subject: (fractint) my website
Date: 11 Mar 1998 12:36:03 -0600

Hello fractineers!

Just a public annoucement about my website. I've been getting some e-mial 
regarding access to my website. My oh-so-wonderful school decided to charge 
all of its fellow students for their web space for web pages AND dialing up 
from home. It all used to be FREE. Considering what we all have to pay for 
tuition and odds and ends (that don't meet), we pay much more that 
expected. It used to be $10 a quarter for about 20 megs of web space. Then, 
to use my Institute of Technology(my specific college..a.k.a IT) account at 
school, I had to pay another $100 per quarter...plus they give me about 10 
more megs. I was kinda bummed out about that, but I got what I 
wanted.....mp3, pics, fractals, games.....you name it. And the best part 
was, I could download the files at around 50+ kilobytes per second, even up 
to 200Kbps. Whereas at home I was at 2-3Kbps.....ack!!!

Now, however, The school has decided to charge us EVEN MORE!!! They erased 
ALL old web pages so that they can use that room for something else and 
told us to move our pages to a new location on their network and pay MORE. 
I didn't read the price, but I can imagine it'll be 2-5 times more 
expensive than before and than other dial up charges to access it and the 
list goes on and on. You get the jist. So now, I am without a web site. I 
hope to pull some strings (so to speak) and get the U of Minn to allow me 
some space with out having to pay the extra prices. I'm going into my 
finals now, so I'll be busy till mid March perhaps. I have all my pages and 
stuff backed up..thank GOD...before they erased my site. So, if I do get 
back on with a website, it'll look similar to the ones you've all seen with 
some minor changes. 

Since I do not have a website anymore, I'll post my par files on here when 
I get home. I'm still at the U right at the moment. I have three papers to 
write in less than a week's time. UGH!! Then finals....ARGH!! Well, 'nuff 
said. Hope for the best, it just might happen.

-Lavondyss





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From: Mark Christenson <mchris@hooked.net>
Subject: Re: (fractint) my website
Date: 11 Mar 1998 10:48:45 -0800

At 12:36 PM 3/11/98 -0600, you wrote:
>(paraphrase: my school/ISP is screwing me...)

Try Whole Earth Networks*.  My ISP, a local subsidiary called Hooked, 
provides all the usual internet doodads (Web, e-mail, FTP, IRC, 
newsgroups, gopher, etc.) plus 20 MB of Web storage for $25/mo.,
which would be about the same as the $100/quarter you're paying now.


Happy hunting (or target practice, as the case may be), 
  Bud
www.hooked.net/~mchris/fractals.htm

* www.wenet.net


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From: kragen@pobox.com (Kragen)
Subject: Re: (fractint) my website
Date: 11 Mar 1998 14:10:17 -0500 (EST)

On Wed, 11 Mar 1998, Nhan Nguyen wrote:
> expected. It used to be $10 a quarter for about 20 megs of web space. Then, 
> to use my Institute of Technology(my specific college..a.k.a IT) account at 
> school, I had to pay another $100 per quarter...plus they give me about 10 
> more megs. I was kinda bummed out about that, but I got what I 
> wanted.....mp3, pics, fractals, games.....you name it. And the best part 
> was, I could download the files at around 50+ kilobytes per second, even up 
> to 200Kbps. Whereas at home I was at 2-3Kbps.....ack!!!
> . . .
> hope to pull some strings (so to speak) and get the U of Minn to allow me 
> some space with out having to pay the extra prices. I'm going into my 
> finals now, so I'll be busy till mid March perhaps. I have all my pages and 
> stuff backed up..thank GOD...before they erased my site. So, if I do get 

You might consider going with a commercial ISP.  My ISP, DNACO, sells a
shell account with 20MB of space (web and otherwise) for $14.95 per
month, which adds up to $200 per year.  (Although, if you buy a whole
year at once, they discount it.)

I imagine you can find ISPs in Minneapolis (is that where you are?)
that will give you such things for similar prices.

Kragen


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From: "Lavondyss" <Nhan.H.Nguyen-1@tc.umn.edu>
Subject: Re: (fractint) my website
Date: 11 Mar 1998 13:36:48 

On Wed, 11 Mar 1998 10:48:45 -0800,
fractint@lists.xmission.com wrote...
>At 12:36 PM 3/11/98 -0600, you wrote:
>>(paraphrase: my school/ISP is screwing me...)
>
>Try Whole Earth Networks*.  My ISP, a local subsidiary called Hooked, 
>provides all the usual internet doodads (Web, e-mail, FTP, IRC, 
>newsgroups, gopher, etc.) plus 20 MB of Web storage for $25/mo.,
>which would be about the same as the $100/quarter you're paying now.
>
>
>Happy hunting (or target practice, as the case may be), 
>  Bud
>www.hooked.net/~mchris/fractals.htm
>
>* www.wenet.net
>
Bud,

I would try them, but I'm finanacially unstable at the moment. PLust the U 
of Minn is very close, so I have some good connection through FTP. Plus they 
have some of the best school software around (propriatory though). But I'll 
see what I can find.

-Lav




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From: "Lavondyss" <Nhan.H.Nguyen-1@tc.umn.edu>
Subject: Re: (fractint) my website
Date: 11 Mar 1998 13:40:50 


>You might consider going with a commercial ISP.  My ISP, DNACO, sells a
>shell account with 20MB of space (web and otherwise) for $14.95 per
>month, which adds up to $200 per year.  (Although, if you buy a whole
>year at once, they discount it.)
>
>I imagine you can find ISPs in Minneapolis (is that where you are?)
>that will give you such things for similar prices.
>
>Kragen
>
Karagen,

There are quite a few here in Minnesota....yes I live near Minneapolis. East 
Saint Paul. I check the papers often to find some good ISP's. My mouth 
waters when I see ISDN or T1-T3 connections. But get stumped when I see the 
prices...hehehehe. My page will be back sooner or later. But now...gotta 
write my paper.

Happy fractaling
-Lav




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From: "Damien M. Jones" <dmj@fractalus.com>
Subject: Re: (fractint) MMX
Date: 11 Mar 1998 13:41:01 -0600

Paul,

 - Then if Fractint seems to run slower than you'd expect on a P-II, wouldn't
 - trying a disk video mode show the "true" speed, by avoiding the video
 - slowdowns?

Not necessarily.  P-II and PPro chips are optimized for 32-bit code, not
16-bit code.  16-bit code does not perform as well.

Damien M. Jones   \\
dmj@fractalus.com  \\  http://www.icd.com/tsd/ (temporary sanity designs)
                    \\  http://www.fractalus.com/ (fractals are my hobby)

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From: NOEL_GIFFIN <noel@triumf.ca>
Subject: Re: (fractint) Browser Re: (fractint) documentation
Date: 11 Mar 1998 11:58:27 PST

	Hi All,

 "Paul N. Lee" <Paul.N.Lee@Worldnet.att.net> wrote:

> What could be done is to use the FRACTINT INDEX at:
>     http://spanky.triumf.ca/www/fractint/findex.html
> to find pertinent information for a particular area.  Almost all of the
> information necessary to use FractInt is available online at the
> database.  The only thing that is missing is an easy way to search
> through the website for all references to specific keywords.
> 
> May be we can talk Noel Giffin into adding the following code to one of
> the "major" FractInt webpages at Spanky

+ H T M L   C O D E   R e m o v e d +


	I will look into inserting the altavista search engine into the
fractint documentation. I agree that a searchable database would be a
great feature for the fractint docs. It will be a few days before I can
look into it. My web world is crumbling around me at the moment. The monitor
for my PC blew up a few days ago and is in for repair and this morning the
alphaserver which runs netscape under Xwindows crashed during an upgrade.
When I get access to a browser again, I will check out the html insert that
Paul sent. 

	As for expanding the docs with other tutorials, I would be happy
to provide links from the fractint page to other worthwhile pages. I've
expanded the existing docs in the past with contributions from
other fractint users. I feel the PHC tutorial, the formula tutorial, and the
L-systems tutorial are great examples of useful extensions to the fractint
documentation. I have hosted them at spanky and done a lot of the work in
converting them to html, but I don't always have time for this. I would 
much rather just add links to other pages as long as they are maintained
in a responsible manner and the content stays on topic. My own preference
is for relatively simple organized text with graphics examples to hilight.
I tend to shy away from complex backgrounds or graphics that don't 
add any significant information. I think some peoples fractal backgrounds
are very beautiful, but many are too intense and are a distraction from
anyone concentrating on the text. I am also not a fan of advertising and
regardless of personal preference, I am prohibited by campus policy from 
adding any to any page that I host. 

	A number of people have asked me over the years, why I don't 
improve the look of the fractint documents on the web. My main reason 
is simplicity. I try to keep the pages as close to the information 
distributed in the program as I can. For every new release of fractint, 
I have to get a merged list of differences between the old and the new 
docs, and apply them to the pages. There is a significant amount of 
editing involved, as page references are meaningless, and a lot of the 
syntax used in the docs has problems in html and has to be modified. 
If I diverge from the existing format significantly, that job gets more
complicated. 

	So with all that said, I would be happy to have people contribute
links to expand the fractint documentation. I know there are several pages
out there that have fractint tutorials. I would be happy to link to those
that people here find helpful. I think the big problem with maintaining a 
distributed information system is maintaining control of content. I don't 
think we need links to 20 tutorials all covering the same topic. We should
have some method of selection and a way to distribute different topics. 
A little overlap is inevitable, but we should try to control it somehow. 
A lot of topics discussed on this list would make great tutorials. The whole
colouring algorithm thread, the anti-aliasing discussion, as well as
a basic fractint for beginners would be useful in my estimation. 
Perhaps we can come up with a voting method or a peer-review process
by the list members here to any pages that are nominated for addition
to the fractint docs.

	Feedback please!

	Cheers,
	Noel Giffin

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From: Peter Jakubowicz <pfjakub@earthlink.net>
Subject: (fractint) poetry
Date: 11 Mar 1998 17:42:08 -0800

Hi,
Does anyone know any good poems including the word fractal?
And does anyone know a good rhyme for Sierpinski gasket or Minkowski sausage?
Thank you.


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From: davides <davides@pipeline.com>
Subject: Re: (fractint) Text won't print
Date: 11 Mar 1998 20:02:26 -0500

At 06:40 PM 3/10/98 -0800, you wrote:
>Regarding the documentation discussion, 

(snipped)

>Perhaps what we need is "tutorial stone soup" 

There is, at the end of the fractint docs - at least in my version of
fractint 19.6, a synopsis of sorts titled: FRMTUTOR.TXT, An Introduction to
the FRACTINT Formula Parser, written by Bradley Beacham. This part is in
and of itself something of a shortened version of the fractint docs and is
something like fractint 101. It is similar in its approach in many respects
to Lasker's Manual of Chess (if you are a chess player you know what I am
talking about) in that it takes one from the very simplest explanations to
the more complex areas very well. Example:

6.2: "...Imagine a cicle drawn on the ground, with a little ball sitting in
the center. We'll pick a spot on the ground, somewhere within the circle,
and call that the 'test point'. Now we will start moving the ball in
discrete steps according to a set of specific rules (which we won't
describe yet) and watch the path that the ball takes."

This tutorial can very well be recommended as a beginning step.   
>
>
>Tim made a call for suggestions for better color maps to bundle with
>Fractint.  

This would be good. A compilation of color maps as Angela suggested would a
very good thing IMO.
davides@pipeline.com
Back up my hard drive?
How do I put it in reverse?

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From: "Jason Hine" <tumnus@together.net>
Subject: Re: (fractint) [off topic?] poetry
Date: 11 Mar 1998 20:35:37 -0500

Peter asks:
>Does anyone know any good poems including the word fractal?
>And does anyone know a good rhyme for Sierpinski gasket or Minkowski sausage?
>Thank you.

Hmm... I'll give it a whirl :)

Untitled (First Iteration)
--------------------
What would a triangle be
If we only could ask it?
It might just reply,
"A Sierpinski Gasket."

Untitled(Second Iteration)
-------------------
The TwinDragon's hearty lunch
Is cow's knees a' la feet, not.
Rather, you'll be glad to know, they 
Minkowski sausage eat, hot.

Both original poems by Jason Hine.

Thanks and apologies to Oscar Wilde.


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From: Les St Clair <Les_StClair@compuserve.com>
Subject: re: (fractint) documentation
Date: 10 Mar 1998 22:18:28 -0500

Hi Angela,

>>......just every now and then......(without human intervention, of
course)..
>>...my pars don't save the colors. Very strange.

It's a mystery no more, read on...

Assuming you don't specify "recordcolors=3Dyes" then Fractint saves the n=
ame
of the color map in the par as long as you've plugged the map in and done=

nothing else. The moment you cycle that map, even one notch to the left o=
r
right, it's no longer the same as when you first loaded it so Fractint ha=
s
to record the full color code. Try it and see.

cheers, Les




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From: "Lavondyss" <Nhan.H.Nguyen-1@tc.umn.edu>
Subject: (fractint) searcable database
Date: 11 Mar 1998 20:39:56 

A searchable database would be wonderful!!! 






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From: kathy roth <kroth@well.com>
Subject: (fractint) carr 3371
Date: 11 Mar 1998 19:59:36 -0800

I spent a long time last night zooming around in this image-
It's mysterious and changes as you rotate it, with all kind of things in

there like an Indian headdress, CAT scan of the head, coral reef and...
.......(.maybe I just need a long rest).  Anyway, it draws slowly and is

just 3 different color palettes but I thought it was interesting.  It
has to be drawn in at least 1024 x 768 to work.


totem1             { ; 3-10-98 kathy roth
                     ; frm and palette by Bob Carr
                    ;modified by George Martin
  reset=1960 type=formula formulafile=fractint.frm
  formulaname=carr3371 passes=1
  center-mag=0.0010622/-0.00591256/0.2119823 params=200/300/400/550
  float=y maxiter=647 invert=1/0/0 periodicity=0
  colors=000<3>000C00<9>Z00`00`45<8>Xcr<9>`00<11>\
0000FM<12>zz0<10>`00<7>zy\
 n<8>yUF<7>x4R<9>K7TG7UC5M83F427<14>VEtXFwZI\
v<14>zyn000<13>Xcr<15>000232<\
  10>5Pw<6>zo`<5>5Pw<6>000CC9<14>zyn<8>XFw<6>X`rXcrV`o<13>16F
  }

totem2             { ; 3-10-98 kathy roth
                     ; coral reef
                     ; frm by Bob Carr
                     ; modified by George Martin
  reset=1960 type=formula formulafile=fractint.frm
  formulaname=carr3371 passes=1
  center-mag=0.0010622/-0.00591256/0.2119823 params=200/300/400/550
  float=y maxiter=647 invert=1/0/0 periodicity=0
 colors=000MaV<8>_zn<6>LO3<8>px9<5>KMGFGIBBM\
<14>WWz<7>J9J<15>zWz<7>J09<15\
 >z0W<7>J90<15>zW0<7>JJ0<15>zz0<7>99J<15>\
WWz<7>0J9<15>0zW<7>0JJ<14>0xx0zz\
  2tt<6>JE9<15>yjU<7>BJF<5>K_T
  }

totem3             { ; 3-10-98 kathy roth
                     ; frm by Bob Carr
                     ;modified by George Martin
  reset=1960 type=formula formulafile=fractint.frm
  formulaname=carr3371 passes=1
  center-mag=0.0010622/-0.00591256/0.2119823 params=200/300/400/550
  float=y maxiter=647 invert=1/0/0 periodicity=0
colors=000FGIBBM<14>WWz<7>J9J<15>zWz<7>J09\
<15>z0W<7>J90<15>zW0<7>JJ0<15>\
  zz0<7>99J<15>WWz<7>0J9<15>0zW<7>0JJ<14>\
0xx0zz2tt<6>JE9<15>yjU<7>BJF<15>_\
  zn<6>LO3<8>px9<5>KMG
  }

Carr3371 (YAXIS) {; Modified Sylvie Gallet frm.1996
                  ; Rewritten for if..else by George Martin 3/9/98
                  ; passes=1 needs to be used with this PHC formula
  pixel=-abs(real(pixel))+flip(imag(pixel))
  tenthinvpixel = .1/pixel
  b6=conj(tenthinvpixel)
  b7=flip(.1*tenthinvpixel)
  b8=cabs(.02*tenthinvpixel+cabs(0.02*tenthinvpixel))
  b4=abs(pixel^2)*conj(flip(pixel^3))\
     -conj(tenthinvpixel-flip(0.1*tenthinvpixel))
  b5=(pixel^3)*cabs(pixel+0.125)^4-b7-b6+1.75*b8-0.2
  IF (whitesq)
    z = origz = b5^0.7456
    c = (-0.7456,-0.13214)+conj(.1*b4)
  ELSE
    z = origz = -b5
    c = (-0.7456,-0.13214)+conj(.1*(-b4))
  ENDIF
  bailout=16, imagp1 = imag(p1), imagp2 = imag(p2), iter=0
  :
  IF (iter == p1)
    z=0
    c=(-0.7456,-0.13214)+conj(.15*origz^1.2)
  ELSEIF (iter == imagp1)
    z=0
    c=(-0.7456,-0.13214)+conj(.225*origz)
  ELSEIF (iter == p2)
    z=0
    c=(-0.7456,-0.13214)+conj(.3375*origz)
  ELSEIF (iter == imagp2)
    z=0
    c=(-0.7456,-0.13214)+conj(.50625*origz)
  ENDIF
  z=z*z+c
  iter=iter+1
  |z|<=bailout
}







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From: skydyes@juno.com
Subject: (fractint) Colormap bundling
Date: 12 Mar 1998 00:33:29 EST

	Hi all  - I've newly subscribed to this list, lurked for a little
while, and now
want to tell everyone how much I enjoy the discussions, and add a note
myself.  
	I would have kept quiet longer, but for the comment about
bundling better
maps with Fractint, something I've desired since I got into Fractint with
v17. I would
totally like to contribute a map to that effort (as would thousands of
other people,
I'm sure) So what are we to do? We need some sort of voting to be able to
chose 
one out of several similar maps. If we need a committee of colormap
experts, perhaps 
the reward for serving on this body would be the inclusion of a favorite
map. 
This might be overkill. It would be nice to do a really good job on this,
and it's a great
way for non-programmers to contribute to Fractint. At a start, we need a
volunteering
of web space from someone who's got a bunch, so that those who want to
submit can 
upload a fractal that highlights their colormap. Then we need some
mechanism 
for voting. And, some decisions need to be made, how many maps total, how
many
each of various types of colormaps, etc.  It might be good to have some
examples
of the same periodic map with different frequencies. I find it
exceedingly useful to
have several to apply, as changing this variable - I think of it as speed
or rate of the 
colormap -  has similar effects to changing the logmapping - but it
doesn't require 
recomputing. I have a few series like this I could offer for
consideration.
	I don't have the answers to all the questions of how best to
choose
the colormaps to bundle with Fractint, but I do want to participate in
the discussion.

	Looking forward to helping make a great program more beautiful,

Jonathan Wolfe, Ph.D
SkyDyes
2917 Campus Blvd. NE
Albuquerque, NM 87106
(505)-266-1468
	

_____________________________________________________________________
You don't need to buy Internet access to use free Internet e-mail.
Get completely free e-mail from Juno at http://www.juno.com
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-------------------------------------------------------------------------------

From: "James R. McKenzie" <whookam88@yahoo.com>
Subject: Re: (fractint) poetry
Date: 11 Mar 1998 23:10:28 -0800 (PST)






---Peter Jakubowicz <pfjakub@earthlink.net> wrote:
>
> Hi,
> Does anyone know any good poems including the word fractal?
> And does anyone know a good rhyme for Sierpinski gasket or Minkowski
sausage?
> Thank you.
 

I only have 6 words to say beyond this point.   Y O U   N E E D   T O  
G E T   S O M E   S L E E P!
_________________________________________________________
DO YOU YAHOO!?
Get your free @yahoo.com address at http://mail.yahoo.com


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From: Brederlow <goswin.brederlow@student.uni-tuebingen.de>
Subject: Re: (fractint) Arbitrary Precision
Date: 12 Mar 1998 16:05:30 +0100

Jay Hill <jrhill@nosc.mil> writes:

> Damien M. Jones wrote:
> >Jay,
> > - We should be getting more than a million iterations per second.  Over
> on
> > - the development lists they are bragging about 10 cycle iteration times.
> >Those times are for double precision, not arbitrary precision.  Apples and
> >oranges.
> Yes, I know, that is why I asked for timings on the arbitrary percision
> math.
> 
> I have been looking at Keith Briggs double-double (30 digit) package
> for C++ and found about 40,000 iterations per second on a P200.  That
> is not assembler and not unrolled loops. So Fractint should be able to get
> what ... 160,000 iterations/second?
> 
> Bottom line...
> 
> It looks like 2,000,000,000 iterations is too many on this year's machines.
> :-(
> Try 100,000 or so.
> Jay

The current implementation of big numbers in xfractint is awfully
slow, ineficient and badly made.

One could optimize that a lot and use a faster algorithm to multiply
large numbers.

If somebody is intrested in some better algorithm, contact me and I
will give him some sources. I myself unfortunatly don't have the time
to integrate them in xfractint.

May the Source be with you.
			Mrvn


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From: "Paul N. Lee" <Paul.N.Lee@Worldnet.att.net>
Subject: Re: (fractint) poetry
Date: 12 Mar 1998 11:16:37 -0600

Peter Jakubowicz wrote:
>
> Does anyone know any good poems including the word fractal?
>

I don't know if these are "good poems", but here are some links:

http://www.op.net/docs/Computer-Songs/puff-fractal.dragon
http://www.matadorrec.com/bands/bunny/poem2.html
http://members.iquest.net/~gtemp/mailliw.htm
http://www.x-net.net/rvissage/atomneye.htm
http://www.ecis.com/~ddragon/poetry.html
http://raven.ubalt.edu/guests/alphaweb/


They may not contain the word "fractal", but they are fractal related
poems:

http://sprott.physics.wisc.edu/sapoem.htm
http://baritone.woodwind.com/change/poetry/gj/fractal/bell.html
http://www.fractal.com/gallery/1995Expo/jpg/A_Poem_of_Air.jpg


>
> And does anyone know a good rhyme for Sierpinski gasket
>

"Aspen Ski Basket"  (http://www.cgifts.com/cgifts/other.html)

>
> or Minkowski sausage?
>

You've got me there!!


     Why do most folks hate cynics so much?
       Because we're almost always right.
http://home.att.net/~Paul.N.Lee/PNL_Fractals.html

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-------------------------------------------------------------------------------

From: "Jay Hill" <ehill1@san.rr.com>
Subject: (fractint) Newt6-JAtan-Mset formula
Date: 12 Mar 1998 13:21:24 -0800

Hi Fractintiers,

Way back on Sat, 7 Mar 1998 (hundreds of emails ago), 
Paul Carlson gave us Newt5_Atan_Mset, only 4 days after 
Newt3_Atan_Mset. These formula along with suitable color 
maps give use interesting images with five (and three) color 
parts corresponding to the number of roots in the polynomial 
he uses in the Newton iteration. As an experiment in 
learning how to code these formula, I have written a new 
six 'color' formula which uses a sixth degree polynomial. 
I've thrown in an extra parameter which turned out to only 
be a scale factor.  :-(

Oh well. This formula was featured in Fractal of the Night 
where Dr. J is seen lost in a mass of Jello looking for his 
Roots.  It was posted to the Fractal-Art list and posted on 
my web site along with a little math discussion. 
http://home.san.rr.com/jayrhill/FotN/FotN61.html

I have included here some explorations of this Jello formula. 
Since it features 6 colors, I am using the not too inventive 
primary colors.  It serves me as a 'test pattern' for exploring. 

As for my coding of this formula, I have reverted from the 
IF ELSE style since I really get tired of typing so many 
lines :-) but I have a question. Is the IF ELSE style really 
faster in Fractint? It really does not make much difference 
in this formula since the tests are not in the loop. 

You will also note another method for getting the angle 
without atan. This is simpler. And I'm sure wizzle will 
like the root formula 

R=1-.5*sqrt(5-3*sqrt(5)-sqrt(10*sqrt(5)-50)).  :-) 

Enjoy,
Jay

frm:Newt6-JAtan-Mset {; (c) Jay R. Hill, 1998
         ; Newton method set up as a Mandelbrot set
         ; This formula searches for 6 roots of a function
         ; Inspired by Paul Carlson's Newt5_Atan_Mset 
  ; p1=precision of root finding, try =.001
  ; p2=A=scaling constant in formula, try =1
  ; F(w)   = w^6 - A*w^5 - w*c + A*c
  ; F'(w)  = 6*w^5 - 5*A*w^4 - c
  ; F''(w) = 30*w^4 - 20*A*w^3
  ; Set F''=0, solve for initial w, 20*A/30 = 2*A/3
  ;
  c = pixel, A=p2, z = iter = bailout = 0
  colors_in_range = 42
  R5=sqrt(5), R=1-.5*sqrt(5-3*R5-sqrt(10*R5-50)), R2=sqr(R)
  root1 = A, root2 = c^.2, root3 = root2*R, root4 = root2*R2
  root5 = root4*R, root6 = root4*R2
  w = 2*A/3
  :
  w4 = w^4
  deltaw=((w*w4 - A*w4 - c)*w + A*c)/(6*w*w4 - 5*A*w4 - c)
  w = w - deltaw
  ;
  IF (|deltaw| < p1)
    angle=abs(imag(log(deltaw)))
    range_num = (|w - root2| < p1)+2*(|w - root3| < p1)+\
      3*(|w - root4| < p1)+4*(|w - root5| < p1)+5*(|w - root6| < p1)
    bailout = 1
    z = colors_in_range*(angle/pi + range_num)-angle/pi + 1
  ENDIF
  iter = iter + 1
  z = z - iter
  bailout == 0
}

jn6atnm007         { ; (C) by Jay Hill, 1998
                     ; midget
  reset=1960 type=formula formulafile=n6jatnm.frm
  formulaname=newt6-jatan-mset
  center-mag=+0.99494465952325690/-0.08827380030302825/7423910
  params=1e-005/0/1/0 float=y maxiter=2000 inside=253 outside=summ
  colors=000<41>w00000<40>0w0000<40>00w000<40>ww0000<40>0ww000<40>w0w00000\
  0000 cyclerange=1/250
  }

jn6atnm008         { ; (C) by Jay Hill, 1998
                     ; largest midget
  reset=1960 type=formula formulafile=n6jatnm.frm
  formulaname=newt6-jatan-mset center-mag=0.107862/0.741569/9.084302
  params=1e-005/0/1/0 float=y maxiter=2000 inside=253 outside=summ
  colors=000<41>w00000<40>0w0000<40>00w000<40>ww0000<40>0ww000<40>w0w00000\
  0000 cyclerange=1/250
  }

jn6atnm009         { ; (C) by Jay Hill, 1998
                      ; Jello Bouquet
  reset=1960 type=formula formulafile=n6jatnm.frm
  formulaname=newt6-jatan-mset center-mag=0.157057/0.734435/41.93936
  params=1e-005/0/1/0 float=y maxiter=2000 inside=253 outside=summ
  colors=000<41>w00000<40>0w0000<40>00w000<40>ww0000<40>0ww000<40>w0w00000\
  0000 cyclerange=1/250
  }

jn6atnm010         { ; (C) by Jay Hill, 1998
                     ; Jello Insideout
  reset=1960 type=formula formulafile=n6jatnm.frm
  formulaname=newt6-jatan-mset center-mag=-17.577/-6.81655/0.001
  params=1e-005/0/1/0 float=y maxiter=2000 inside=253 outside=summ
  invert=1/0.18360589655668/0.7416652652787
  colors=000<41>w00000<40>0w0000<40>00w000<40>ww0000<40>0ww000<40>w0w00000\
  0000 cyclerange=1/250
  }

jn6atnm011         { ; (C) by Jay Hill, 1998
                     ; largest midget insideout
  reset=1960 type=formula formulafile=n6jatnm.frm
  formulaname=newt6-jatan-mset center-mag=-18.5044/0.709593/0.01514771
  params=1e-005/0/1/0 float=y maxiter=2000 inside=253 outside=summ
  invert=1/0.0212/-0.710605
  colors=000<41>w00000<40>0w0000<40>00w000<40>ww0000<40>0ww000<40>w0w00000\
  0000 cyclerange=1/250
  }

jn6atnm012         { ; (C) by Jay Hill, 1998
                     ; largest midget insideout zoomin
  reset=1960 type=formula formulafile=n6jatnm.frm
  formulaname=newt6-jatan-mset center-mag=14.5581/9.95447/0.2593288
  params=1e-005/0/1/0 float=y maxiter=2000 inside=253 outside=summ
  invert=1/0.0212/-0.710605
  colors=000<41>w00000<40>0w0000<40>00w000<40>ww0000<40>0ww000<40>w0w00000\
  0000 cyclerange=1/250
  }

jn6atnm013         { ; (C) by Jay Hill, 1998
                     ; Jello Insideout center
  reset=1960 type=formula formulafile=n6jatnm.frm
  formulaname=newt6-jatan-mset center-mag=-15.5745/-8.31905/0.03521127
  params=1e-005/0/1/0 float=y maxiter=2000 inside=253 outside=summ
  invert=1/0.18360589655668/0.7416652652787
  colors=000<41>w00000<40>0w0000<40>00w000<40>ww0000<40>0ww000<40>w0w00000\
  0000 cyclerange=1/250
  }


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-------------------------------------------------------------------------------

From: Ray Montgomery <elmont@cdsnet.net>
Subject: (fractint) More SSTOOLS
Date: 12 Mar 1998 17:31:10 -0700

Kragen

        Thanks for your kind words.  So, finally after much puzzling and
much help from you and other members of my faculty, including wizzle,
gumbycat, Jay Hill (whose site I visited and got the Jack Valero SSTOOLS
guide) and a number of other members who responded to my "Help!" cry, I got
an SSTOOLS.INI file made and in the Fractint directory.  Hope my terminology
is correct.
        Now I don't know how to get into it.  Not thru Windows - it gives me
that drop-down box, "Open the program....where made...etc." or whatever it
says.  So I puzzled.  How do I get to that file from Fractint.  I tried just
about every button in the main-menu, used the F1 and studied the aids there,
finally, on a chance, I tried the 'Shell to DOS' (always wondered what that
meant - still don't know) and there I was in DOS - with an ominous warning,
"We're gonna squish that image you still have tucked away in Fractint, if
you...." but took a chance and, after the name Fractint, I typed  dir and
there was an enormous list of my gifs and just about everything else, AND
TRIUMPH!!! there was my SSTOOLS.INI file.  But, sob, I don't know what to do
with it - how to get into it, if I SHOULD get into it, and whether I can
type into it even if I can get it up on the screen in order to enter these
other things I should have in there.
        Just a little more help and I may be over this hurdle too.  One by one.
        Is there a trick to it?
                Thanks,                 Ray


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From: "Jay Hill"<jrhill@nosc.mil>
Subject: Re: (fractint) More SSTOOLS
Date: 12 Mar 1998 17:14:56 -0800


Ray,

The sstools.ini file is an ASCII file. You can edit it using edit.

In DOS window, type

edit sstools.ini

at is the old basic editor from DOS.

To get a DOS window, from Win 95, click the Microsoft window
(wave thing) button on the 'bar' at the (usually) bottom of the screen.
Then Programs and finally MS-DOS Prompt.

use cd C:\fractint   or some such to get to fractint directory.

OR you can use other ascii editors like Notepad or my favorite PFE

http://www.lancs.ac.uk/people/cpaap/pfe

Verson 0.07.002 is out now.

Jay



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-------------------------------------------------------------------------------

From: Turner Rentz <treyr@atr.net>
Subject: Re: (fractint) Browser
Date: 12 Mar 1998 21:27:20 -0500

Ray Montgomery wrote:

>  To whomever can help.
>                 Is "Netscape" a browser?

In the vernacular. Actually, you will see the term applied to a
specialstyle of HTML as opposed to product, when viewed on websites.


> When I am wandering around looking
> for a particular web-site, or home-page, am I browsing?

Wandering aimlessly = wasting bandwidth. Wandering with purpose =
browsing.

>  Or is a "BROWSER" a
> different program that must be added to a computer - in other words, a
>
> software option?  Or is it contained in the computer somewhere or
> somewhere
> in Netscape?
>
> Many thanks to those who have helped my previous problems - Wizzle,
> Gumbycat, Bob Carr, Kragen, Bob Margolis, Jay Hill and davides.  I am
> struggling to master all the advice that was given.  Whether mastered
> or
> not, I am nonetheless deeply appreciative.
>
> The Nerve of this guy!
>         Even though I am new to the group I must take issue with those
> who
> say that docs should be read before time is wasted with needless
> questions
> to the list-server group.
>         I have down-loaded perhaps 3/4" of material from Noel Giffens
> Fractint Home page, have faltered through through most of it, admired
> the
> plethora of really outstanding images in those pages, have infinite
> respect
> for the Stone Soup Group who created Fractint and for all others who
> have
> contributed - BUT - surely you can understand that almost all who are
> mightily informed about a subject, and are writing user-manuals and
> documentations of just about any sort, do an awful lot of presuming.
> PRESUMING!  This group presumes you know this, and that group presumes
> you
> know that, and another group presumes you know at least this much
> about
> something else.
>         I've read user manuals of one sort or another, as we all have,
> I'm
> sure, and almost all have been written by experts in their field who
> presume
> you know this, that or the other.  They know it so well, and have
> known it
> for so long that they feel sure you must know "at least this much".
> Well, I
> could go on and persue this much further, but I anticipate some
> negative
> reponses and I don't mean to.  When I was 'teaching' my grand-children
> 'all
> about' the computer, it was a very short time, indeed, before they
> were
> teaching me.  The increase in computer knowlege due to interaction
> amongst
> kids is practically an exponential growth.  I got left behind is all.
>         No I am not whining, nor complaining, nor feeling sorry for
> myself.
> I'm having the greatest time of my life with my new hobby.  I want to
> learn
> and I want to learn more and more but, I can't run over to Jimmy's
> house and
> spend hours with the other computer-kids picking up information.
>         I don't feel that any of the criticism was directed at me, I
> am
> merely expressing an observation.  Do you know that on the spec sheet
> of the
> "USER'S MANUAL" for my computer it does not tell you what the MHz of
> the
> computer is?  How's that for documentation?
>
>         Thanks for listening.
>
> -
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From: pjcarlsn@ix.netcom.com (Paul and/or Joyce Carlson)
Subject: (fractint) Some very colorful images
Date: 12 Mar 1998 20:30:53 -0600 (CST)

This formula and pars produce some very colorful images.

Paul Carlson

frm:Fnww_Fnc_Mset { ; Copyright (c) Paul W. Carlson, 1998
    ; real(p1) controls elements size (usually 2 to 16))
    ; imag(p1) not used
    ; real(p2) number of color ranges
    ; imag(p2) number of colors in a range
    z = w = iter = range_num = bailout = 0
    c = pixel
    p = p1 + p1
    num_ranges = real(p2)
    colors_in_range = imag(p2)
    colors_in_range_1 = colors_in_range - 1:
    w = fn1(w * w + fn2(c))
    m = |w|
    IF ((p < p1) && (m > p1))
	bailout = 1
	index = colors_in_range_1 * (p1 - p) / p1
	z = index + range_num * colors_in_range + 1
    ENDIF
    p = m
    range_num = range_num + 1
    IF (range_num == num_ranges)
	range_num = 0
    ENDIF
    iter = iter + 1
    z = z - iter
    bailout == 0 && m < 100
}

fwwfcm01           { ; Copyright (c) Paul W. Carlson, 1998
  reset=1960 type=formula formulafile=fwwfc.frm
  formulaname=fnww_fnc_mset function=sin/sqr passes=t
  center-mag=-0.87756157353887240/+0.94256597781931740/52.4\
  8149/1/-160 params=16/0/8/30
  float=y maxiter=500 inside=253 outside=summ
  colors=000ph0<5>zz0<12>aG00C4<15>0zR<12>0C40CC<15>0zz<12>0CC0\
  0O<14>FFwGGzFFw<11>00OSA`<14>eNxfOzeNw<10>K2OO08<15>z0f<13>O0\
  8O00<15>z88<12>O00c40<14>xU0zW0yU0<11>c40aG0<8>oe0000<13>000
  }

fwwfcm02           { ; Copyright (c) Paul W. Carlson, 1998
  reset=1960 type=formula formulafile=fwwfc.frm
  formulaname=fnww_fnc_mset function=sin/sqr passes=t
  center-mag=-0.87736374111754810/+0.94286409113598650/155.2707/1\
  /-159.999 params=16/0/8/30
  float=y maxiter=500 inside=253 outside=summ
  colors=000ph0<5>zz0<12>aG00C4<15>0zR<12>0C40CC<15>0zz<12>0CC00O<\
  14>FFwGGzFFw<11>00OSA`<14>eNxfOzeNw<10>K2OO08<15>z0f<13>O08O00<1\
  5>z88<12>O00c40<14>xU0zW0yU0<11>c40aG0<8>oe0000<13>000
  }

fwwfcm03           { ; Copyright (c) Paul W. Carlson, 1998
  reset=1960 type=formula formulafile=fwwfc.frm
  formulaname=fnww_fnc_mset function=sin/sqr passes=t
  center-mag=+0.32604500552212270/+1.40521485976515300/58757.16/1/\
  127.5 params=16/0/8/30
  float=y maxiter=500 inside=253 outside=summ
  colors=000ph0<5>zz0<12>aG00C4<15>0zR<12>0C40CC<15>0zz<12>0CC00O<\
  14>FFwGGzFFw<11>00OSA`<14>eNxfOzeNw<10>K2OO08<15>z0f<13>O08O00<1\
  5>z88<12>O00c40<14>xU0zW0yU0<11>c40aG0<8>oe0000<13>000
  }

fwwfcm04           { ; Copyright (c) Paul W. Carlson, 1998
  reset=1960 type=formula formulafile=fwwfc.frm
  formulaname=fnww_fnc_mset function=sinh/sqr passes=t
  center-mag=+1.69753754995537700/+1.89430853699253900/127634.3/1/85
  params=16/0/8/30
  float=y maxiter=2000 inside=253 outside=summ
  colors=000i55<6>z88<12>O00c40<14>xU0zW0yU0<11>c40aG0<15>zz0<12>aG\
  00C4<15>0zR<12>0C40CC<15>0zz<12>0CC00O<14>FFwGGzFFw<11>00OSA`<14>\
  eNxfOzeNw<10>K2OO08<15>z0f<13>O08O00<7>g44000<13>000
  }

fwwfcm05           { ; Copyright (c) Paul W. Carlson, 1998
  reset=1960 type=formula formulafile=fwwfc.frm
  formulaname=fnww_fnc_mset function=cosh/sqr passes=t
  center-mag=-0.72778379323819650/+0.25436409455403570/2546.473/1/-1\
  53.2 params=16/0/8/30
  float=y maxiter=500 inside=253 outside=summ
  colors=000ph0<5>zz0<12>aG00C4<15>0zR<12>0C40CC<15>0zz<12>0CC00O<14>\
  FFwGGzFFw<11>00OSA`<14>eNxfOzeNw<10>K2OO08<15>z0f<13>O08O00<15>z88<\
  12>O00c40<14>xU0zW0yU0<11>c40aG0<8>oe0000<13>000
  }


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-------------------------------------------------------------------------------

From: Ray Montgomery <elmont@cdsnet.net>
Subject: (fractint) Success
Date: 12 Mar 1998 20:09:33 -0700

        Jay

        Your last message turned the tide for me.  Got through to Dos editor
and the sstools file.  Got everything entered, as suggested by Jack Valero,
the piece that I got from your web-site.  
        Am now studying the editor and soon will be another couple of steps
forward.
        Incidentally, someone wrote the server wanting to know what kind of
machines various ones were using.  It does make a difference.  I'm delighted
that you thought to give the instructions for the older program.  I have a
Tandy 3.1 with 16meg of ram and I think about 512meg hard drive.  Not very
impressive especially its 33 or 66 MHz speed (or lack of.)  In about a month
I hope to upgrade but will have to get along, as is, for now.
        Thanks again.
                                        Ray


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From: "Justin A. Kolodziej" <4wg7kolodzie@vms.csd.mu.edu>
Subject: Re: (fractint) Arbitrary Precision
Date: 12 Mar 1998 21:16:17 -0600

Brederlow wrote:

> > I have been looking at Keith Briggs double-double (30 digit) package
> > for C++ and found about 40,000 iterations per second on a P200.  That
> > is not assembler and not unrolled loops. So Fractint should be able to get
> > what ... 160,000 iterations/second?
> >

I'd love to find out, but unfortunately I can't come up with a good way
of testing it that _only_ tests the iteration speed.  The problem is
that Fractint draws pictures.  This involves quite a few other factors
(i.e. the time it takes to write a point to screen or random-access
memory, the time it takes to change pixels, etc.)  I suppose if you use
lots of iterations, these other factors would become insignificant, but
then the benchmark simply takes too long.  Nevertheless, I'll try
different methods, tell you what I did and what the results are, and
then you can rip my methods apart :-)

> > Bottom line...
> >
> > It looks like 2,000,000,000 iterations is too many on this year's machines.
> > :-(
> > Try 100,000 or so.
> > Jay
> 
> The current implementation of big numbers in xfractint is awfully
> slow, ineficient and badly made.

But is any implementation of big numbers in software truly "fast" ? ;-)

Maybe someday Fractint will have different arbitrary precision
algorithims that are good for different situations selectable.  I hope,
I hope, I hope...
> 
> One could optimize that a lot and use a faster algorithm to multiply
> large numbers.
> 
> If somebody is intrested in some better algorithm, contact me and I
> will give him some sources. I myself unfortunatly don't have the time
> to integrate them in xfractint.

Ummm... no thanks.  Let me read through the entire source code for
XFractint first... which should take about 5-6 weeks. <g>

And that's just to find the start of program execution! <vbg>

  
> May the Source be with you.
>                         Mrvn

-- 
Justin A. Kolodziej
I sense a great disturbance in the Source.
I am 4wg7kolodzie@vms.csd.mu.edu
Marquette University is http://www.mu.edu

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-------------------------------------------------------------------------------

From: Felix <aduhan@TTACS.TTU.EDU>
Subject: Re: (fractint) More SSTOOLS
Date: 12 Mar 1998 23:02:25 -0600



Jay Hill wrote:

> Ray,
>
> The sstools.ini file is an ASCII file. You can edit it using edit.
>
> In DOS window, type
>
> edit sstools.ini
>
> at is the old basic editor from DOS.
>
> To get a DOS window, from Win 95, click the Microsoft window
> (wave thing) button on the 'bar' at the (usually) bottom of the screen.
> Then Programs and finally MS-DOS Prompt.

Also, when you get the windows "open with" box, you can choose Notepad,
or you could also open the sstools.ini once in Notepad.

--
| Andrew Duhan    |     Cereal is     |
| aduhan@ttu.edu  |       g00d.       |
| http://chimera.acs.ttu.edu/~aduhan/ |



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-------------------------------------------------------------------------------

From: Jerry Fox <jerry.fox@gecm.com>
Subject: Re: (fractint) Browser
Date: 13 Mar 1998 08:50:32 -0300 (BST)

On Tuesday 10 Mar:
> From:          Ray Montgomery <elmont@cdsnet.net>

> Do you know that on the spec sheet of the
> "USER'S MANUAL" for my computer it does not tell you what the MHz of the
> computer is?  How's that for documentation?
> 

Most computers are available with several different MHz speeds, in 
the same way that most cars are availalble with different engine 
capacities.  It would be rather wasteful to have a different manual 
for each speed of computer.  Some computers tell you the speed at 
which they are running, every time you start them up: you have to 
watch the first few things that are written on the screen (they go 
past pretty quickly).  Otherwise you should have a not of the speed 
on some of the paperwork that came wth the beast, or perhaps on the 
box (some sort of sticky label).

Jerry Fox, South Wales

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From: "Jay Hill" <ehill1@san.rr.com>
Subject: (fractint) Newt8-JAtan-Mset formula
Date: 13 Mar 1998 00:59:48 -0800

Hi Fractintiers,

Continuing my experiment in learning how to code formula, 
I have written another formula, this time with eight 'colors' 
a which uses an eighth degree polynomial. After all, Paul 
Carlson should not have all the fun.  :-)    I should note 
that there were errors in my posting (in the commentary)
at my web page last time. These have been corrected.
After all, fractal of the night is produced after midnight....

These are posted to the Fractal-Art list (in the continuing 
adventures of Dr. J) and at my web site along with a 
little math discussion. 
http://home.san.rr.com/jayrhill/FotN/FotN61.html
http://home.san.rr.com/jayrhill/FotN/FotN62.html
 
Enjoy,
Jay

frm:Newt8-JAtan-Mset {; (c) Jay R. Hill, 1998
; Newton method set up as a Mandelbrot set
; This formula searches for 8 roots of a function
; Inspired by Paul Carlson's Newt5_Atan_Mset 
; p1=width of root finding
; p2=A=constant in formula
; F(w) = w^8 - A*w^7 - w*c + A*c
; F'(w) = 8*w^7 - 7*A*w^6 - c
; F''(w) = 56*w^6 - 42*A*w^5
; Set F''=0, solve for initial w, 42*A/56 = 3*A/4
;
c = pixel, A=p2, z = iter = bailout = 0
colors_in_range = 31
R=(-1)^(2/7), R2=sqr(R)
root1 = A, root2 = c^(1/7), root3 = root2*R, root4 = root2*R2
root5 = root4*R, root6 = root4*R2, root7 = root6*R, root8 = root6*R2
w = 3*A/4
:
w6 = w^6
deltaw=((w*w6 - A*w6 - c)*w + A*c)/(8*w*w6 - 7*A*w6 - c)
w = w - deltaw
;
IF (|deltaw| < p1)
angle=abs(imag(log(deltaw)))
range_num = (|w - root2| < p1)+2*(|w - root3| < p1)+\
3*(|w - root4| < p1)+4*(|w - root5| < p1)+5*(|w - root6| < p1)+\
6*(|w - root7| < p1)+7*(|w - root8| < p1)
bailout = 1
z = colors_in_range*(angle/pi + range_num)-angle/pi + 1
ENDIF
iter = iter + 1
z = z - iter
bailout == 0
}

jn8atnm001nb       { ; (C) by Jay Hill, 1998
  ;  Dr. J and his Fractal Jello
  reset=1960 type=formula formulafile=n6jatnm.par
  formulaname=newt8-jatan-mset
  center-mag=-0.252436/-0.458374/13.61266/1/-110 params=0.0001/0/1/0
  float=y maxiter=2000 inside=253 outside=summ
  colors=000w00<28>2000000w0<28>02000000\
  w<29>000ww0<28>220000000<29>w0w000\
  <29>0ww000<28>uuuwwwwU0<28>21000000\
  0<2>000wmU000000 cyclerange=1/248
  savename=Jn8atn1b.gif
  }


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-------------------------------------------------------------------------------

From: "Jason Hine" <tumnus@together.net>
Subject: Re: (fractint) More SSTOOLS
Date: 13 Mar 1998 06:07:32 -0500

Jay Hill wrote:
>> The sstools.ini file is an ASCII file. You can edit it using edit.


Ray, I may be misreading your question a little, but in case you've already
edited your SSTOOLS.INI file the way you want it, and are wondering how to use
it in FRACTINT, here's an answer:  it's automatic.  Most folks put instruction
lines in their SSTOOLS.INI file to tell FRACTINT what to do at startup, and also
where to look for various types of files (PARs, MAPs, and the like).  Once those
instruction lines are in your SSTOOLS.INI file, and your SSTOOLS.INI file is in
the same directory as FRACTINT (so that when you type 'dir' at the DOS prompt
you will see both FRACTINT.EXE and SSTOOLS.INI scroll by, along with all that
other stuff that came with FRACTINT), that's all you need to do!  The next time
you run FRACTINT, it will look for your SSTOOLS.INI file, and if it finds the
file, it'll perform the various instructions in the file all by its self.  If
your SSTOOLS.INI file contains the line:

video=F3

you'll be able to tell that FRACTINT and is using the SSTOOLS.INI file because
now when you start FRACTINT, you should immeadiately get a picture of the
Mandelbrot Set instead of the opening credits screen!  If there are instructions
in your SSTOOLS.INI file that FRACTINT can't understand, FRACTINT will let you
know at startup with a little red warning message.  Read this message to
determine which instruction FRACTINT couldn't understand, then edit your
SSTOOLS.INI file to fix the instruction.  If you aren't sure how to fix it, ask
away!

Cheers, Jason


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-------------------------------------------------------------------------------

From: Janet Preslar <preslar@memphisonline.com>
Subject: (fractint) List of URL's
Date: 13 Mar 1998 09:01:32 -0600

Hey folks =97

How about a weekly or bi-monthly post of a list of URL's that would give
newbies, lurkers, and the rest of us an easy way to get to the vast infor=
mation
online concerning this list traffic (and Fractint in general, though Span=
ky
already has so much of that)? I'm thinking of . . .
    - where to get the archived digests of posts
    - those who have collected the pars and forms for various months
    - the contest results & zip file
    - Wizzle's, Linda's, and other's tutorials on all kinds of stuff
    - Jay's wealth of helpful info
    - where to suggest additions to the Fractint wish list
    - etc., etc., etc . . . .

 . . . all regularly posted in one message. Does anyone else think this w=
ould be
handy or useful? If so, I volunteer to collect, assemble, update and post=
 the
information to the list. Anyone with the above URL's (and please contribu=
te to
the "etc." category) can send them to me and I'll organize them.

Janet
mailto:preslar@memphisonline.com
http://www.ParkeNet.org/jp


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-------------------------------------------------------------------------------

From: "Damien M. Jones" <dmj@fractalus.com>
Subject: Re: (fractint) List of URL's
Date: 13 Mar 1998 10:32:25 -0600

Janet,

 - How about a weekly or bi-monthly post of a list of URL's that would give
 - newbies, lurkers, and the rest of us an easy way to get to the vast
 - information online concerning this list traffic
 [snip]
 - Does anyone else think this would be handy or useful? If so, I volunteer to
 - collect, assemble, update and post the information to the list.

I volunteer to consider it useful if you volunteer to do the work. :)

Damien M. Jones   \\
dmj@fractalus.com  \\  http://www.icd.com/tsd/ (temporary sanity designs)
                    \\  http://www.fractalus.com/ (fractals are my hobby)

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-------------------------------------------------------------------------------

From: kragen@pobox.com (Kragen)
Subject: Re: (fractint) List of URL's
Date: 13 Mar 1998 12:25:55 -0500 (EST)

On Fri, 13 Mar 1998, Janet Preslar wrote:
> How about a weekly or bi-monthly post of a list of URL's that would give
> newbies, lurkers, and the rest of us an easy way to get to the vast information
> online concerning this list traffic (and Fractint in general, though Spanky
> already has so much of that)? I'm thinking of . . .

Sounds great!  I spent a considerable time wandering, lost, in the Web
wilderness to find this list.

I'll be happy to keep your post on a web-page too.

Anyone up for registering fractint.org?

Kragen


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From: "Damien M. Jones" <dmj@fractalus.com>
Subject: Re: (fractint) List of URL's
Date: 13 Mar 1998 11:40:55 -0600

Kragen,

 - Anyone up for registering fractint.org?

I never even thought of that--the name's available, someone just needs to
cough up $100 to register it.  I'd do it, but I still owe $140 to a book
club I forgot to send a forwarding address to when I moved... :(

Damien M. Jones   \\
dmj@fractalus.com  \\  http://www.icd.com/tsd/ (temporary sanity designs)
                    \\  http://www.fractalus.com/ (fractals are my hobby)

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-------------------------------------------------------------------------------

From: Peter Jakubowicz <pfjakub@earthlink.net>
Subject: (fractint) HARD HARDWARE QUESTION
Date: 13 Mar 1998 16:44:11 -0800

Hi,
I am going to buy a new computer soon and want to make sure Fractint, among
other things, will work on it. I know I want at least a 17'' monitor, 64
megs of RAM, and a 64 GB hard-drive.  I'm considering a package from one of
these mail order places (Dell or Gateway), but as I am totally clueless
about this, I wld _really_ appreciate any specific recommendations on
graphics hardware, and general info, too. I am looking for the ideal setup
to run fractal programs and Quake. Pls send any info or flames to me
personally, so as not to SPAM up the list.
Thank you. 


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From: Genealogy1 <Genealogy1@aol.com>
Subject: Re: (fractint) HARD HARDWARE QUESTION
Date: 13 Mar 1998 17:37:07 EST

In a message dated 98-03-13 16:41:30 EST, Peter Jakubowicz you write:

<<  I'm considering a package from one of these mail order places (Dell or
Gateway), but as I am totally clueless about this, I wld _really_ appreciate
any specific recommendations on graphics hardware, and general info, too.  >>

I'd make sure the monitor has 1600 X 1200 resolution capability. Also make
sure the video card you order has that capability and that the video card
works with FRACTINT.

--Bob Carr--(Ocala, FL)

PS For those who haven't seen PHC (PseudoHigh Color) images at 1600 x 1200
resolution, you are missing a treat. The images almost look like photographs.

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From: Wizzle <wizzle@cci-internet.com>
Subject: Re: (fractint) List of URL's
Date: 13 Mar 1998 17:54:50 -0800

Way to go Damien!!! Step right up to those onerous problems. 

Janet...

I think it's a great idea. I'll keep writing and collecting lessons if you
keep track of them....you have a deal!!

Angela

t 10:32 AM 3/13/98 -0600, you wrote:
>Janet,
>
> - How about a weekly or bi-monthly post of a list of URL's that would give
> - newbies, lurkers, and the rest of us an easy way to get to the vast
> - information online concerning this list traffic
> [snip]
> - Does anyone else think this would be handy or useful? If so, I
volunteer to
> - collect, assemble, update and post the information to the list.
>
>I volunteer to consider it useful if you volunteer to do the work. :)
>
>Damien M. Jones   \\
>dmj@fractalus.com  \\  http://www.icd.com/tsd/ (temporary sanity designs)


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From: Wizzle <wizzle@cci-internet.com>
Subject: (fractint) Color Maps
Date: 13 Mar 1998 18:19:55 -0800

Unless anyone has objections....I volunteer to be the color map
co-ordinator. Here is my proposed approach.

1. Tim tells us about how many color maps he'd like to bundle - 75 seems
about right
2. Color artists submit their maps to me and/or I ask some of the folks if
their maps can be used (I already have some in mind)
3. Maps will be divided into "technical" areas
	Mid-tone gradient maps - with sub-categories for short and long steps
between colors (these are the most useful and also often read as pastels
when cycled)
	Maps with colors plus fair amounts of black
	Jewel tone gradients
	Maps with 1, 2, or 3 colors
	Striped maps (not my favorite so I need help here)
	Specialty maps like 3D glasses (these leave me clueless)
	Anything else I like and find useful or you can talk me into 
4. I will post the maps, by category, at my site for viewing and downloading
5. If we have more maps submitted than Tim wants to bundle....we have a map
vote.....say...vote for 5 maps in category 1.....5 in 2, etc. 
6. All maps submitted (except in the specialty category) must be able to be
cycled .....please do not submit a map that looks great only with a
particular fractal.
7. Maps will be named to give credit to the author, i.e. wizzle1.map,
gumbycat8.map, carlson3.map

Feedback?

Angela

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From: "Damien M. Jones" <dmj@fractalus.com>
Subject: Re: (fractint) Color Maps
Date: 13 Mar 1998 20:11:59 -0600

Angela,

 - Unless anyone has objections....I volunteer to be the color map
 - co-ordinator. Here is my proposed approach.
 - [snip]
 - Feedback?

Sounds reasonable.  Do you have any idea how much hassle you've just
brought on yourself? :)

Damien M. Jones   \\
dmj@fractalus.com  \\  http://www.icd.com/tsd/ (temporary sanity designs)
                    \\  http://www.fractalus.com/ (fractals are my hobby)

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From: Wizzle <wizzle@cci-internet.com>
Subject: (fractint) Color Maps Addendum
Date: 13 Mar 1998 18:34:52 -0800

I was re-reading skydyes post....and either a map or a par would be
acceptable as a color map submittal. My email doesn't go belly up until I
hit over 3 megs so I can download fairly  large files....but certainly
nothing over 1 meg per person in attachments, please.

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From: Theran Cochran <theranc@geocities.com>
Subject: (fractint) Time for a newsgroup?
Date: 13 Mar 1998 21:38:01 -0500

With all the traffic in this list, isnt it time to create a newsgroup?

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From: "Rob Fargher" <fargher@POBoxes.com>
Subject: (fractint) Ray and DOS
Date: 13 Mar 1998 22:24:28 +0700

Hi Ray, hope I can shed a bit of light on your puzzlement.

  Firstly, a general comment.  All the problems you cite come 
about from the lack of intuitiveness of computer systems.  For
all their power and advancement, they still aren't a natural 
interface nor are they a natural way of working.

> I got an SSTOOLS.INI file made and in the Fractint directory.  
> Hope my terminology is correct.  Now I don't know how to 
> get into it.

  OK, sstools.ini is a plain-jane text file.   What you want to
do is edit the text in the file.  Thus you need an editor.

  As I understand you, you're running Windows.  I believe
Windows has an editor called Notepad.  Use that to open
the sstools.ini file and edit the contents therein.

  Cheers,
Rob  



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From: 4wg7kolodzie@vms.csd.mu.edu
Subject: Re: (fractint) Time for a newsgroup?
Date: 13 Mar 1998 21:24:17 -0600 (CST)



On Fri, 13 Mar 1998, Theran Cochran wrote:

> With all the traffic in this list, isnt it time to create a newsgroup?

I'd like that IF I could actually access Usenet.  As it stands now I can
only access "special" ones that are on their own server, i.e.
3dfx.glide.linux because my school didn't tell us what our default news
server should be.

A newsgroup would be a good idea, but only if the list stays.

Justin K.

I sense a great disturbance in the Source.


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From: Wizzle <wizzle@cci-internet.com>
Subject: Re: (fractint) Time for a newsgroup?
Date: 13 Mar 1998 19:46:38 -0800

I might like newgroups but I've never been able to figure them out. And why
do I need a newsgroup when I can just read the emails?

I think I'm techo-challenged and scared.
>
>
>On Fri, 13 Mar 1998, Theran Cochran wrote:
>
>> With all the traffic in this list, isnt it time to create a newsgroup?
>
>I'd like that IF I could actually access Usenet.  As it stands now I can
>only access "special" ones that are on their own server, i.e.
>3dfx.glide.linux because my school didn't tell us what our default news
>server should be.
>
>A newsgroup would be a good idea, but only if the list stays.
>
>Justin K.
>
>I sense a great disturbance in the Source.


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From: "Damien M. Jones" <dmj@fractalus.com>
Subject: Re: (fractint) Time for a newsgroup?
Date: 13 Mar 1998 21:28:02 -0600

Theran,

 - With all the traffic in this list, isnt it time to create a newsgroup?

Not really.  Mailing lists have certain advantages over newsgroups, the
biggest of which is that spam is less of a problem.  There's also fewer
problems with missing posts; far too often I see posts missing from a news
thread.  And for some people, mail is easier to deal with than a newsgroup.

I'd hate to see this discussion move to a newsgroup.

Damien M. Jones   \\
dmj@fractalus.com  \\  http://www.icd.com/tsd/ (temporary sanity designs)
                    \\  http://www.fractalus.com/ (fractals are my hobby)

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From: "Tim Wegner" <twegner@phoenix.net>
Subject: Re: (fractint) List of URL's
Date: 13 Mar 1998 21:48:13 -0600


>  - Anyone up for registering fractint.org?

I should do this, I just need to get off my duff. Should it be 
fractint.org or fractint.com? What are the meanings of the domain 
names.

Tim


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From: "Jay Hill" <ehill1@san.rr.com>
Subject: Re: (fractint) Time for a newsgroup?
Date: 13 Mar 1998 19:56:39 -0800

> From: 4wg7kolodzie@vmsb.csd.mu.edu
> On Fri, 13 Mar 1998, Theran Cochran wrote:
> > With all the traffic in this list, isnt it time to create a newsgroup?
[...] 
> A newsgroup would be a good idea, but only if the list stays.
> Justin K.
> I sense a great disturbance in the Source.

The great disturbance is the Source of email SPAM that 
results from posting to a news group. The worst thing I 
can vision is a news group echoing my postings to this 
forum. SPAMers glean email addresses from those 
postings. I have done searches for my name and every 
alias I've used posting to sci.fractals and sci.math is 
there in these data bases.  There is a news group called 
sci.fractals and a binary group for posting images, 
alt.binaries.pictures.fractals.

Ob fractals. My last two entries for Fractal of the Night were on the
topic of Newton's method and Mandelbrot sets, a la Paul Carlson.
I posted on my site four quiz questions about these fractals and 
what makes them what they are. So far, I have seen no replies. 
http://home.san.rr.com/jayrhill/FotN/FotN62.html
and the previous page.  Were these questions too difficult, 
obscure, poorly written or just ho hum?  Is there any interest in 
this forum for a deeper understanding of what makes these fractals 
what they are?  Perhaps there is plenty of beauty derived from 
random formulating.  More likely not. I observe a steady 
stream of great new formulae coming from Paul Carlson 
and perhaps two or three others.  I doubt this is random 
formulizationizating.  I suspect strongly that he knows what 
he is doing.

Jay




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From: Mark Christenson <mchris@hooked.net>
Subject: Re: (fractint) List of URL's
Date: 13 Mar 1998 20:17:42 -0800

At 09:48 PM 3/13/98 -0600, Tim wrote:
>...
>Should it be 
>fractint.org or fractint.com? What are the meanings of the domain 
>names.

.com indicates a commercial enterprise, so it should probably 
be .org, but doesn't have to be.

BTW, is it $100 one time, or every year?


Bud


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From: "James R. McKenzie" <whookam88@yahoo.com>
Subject: (fractint) FRACTINT.ORG
Date: 13 Mar 1998 20:45:49 -0800 (PST)






---Tim Wegner <twegner@phoenix.net> wrote:
>
> 
> >  - Anyone up for registering fractint.org?
> 
> I should do this, I just need to get off my duff. Should it be 
> fractint.org or fractint.com? What are the meanings of the domain 
> names.
> 
> Tim
> 
 

please do this before some porno group grabs it.  Anyone who saw the
BAMBI link scandal story about Disney knows what I mean.  In case you
missed it, Disney's site has a search-bot to look up the various
characters in th Disney family, it seem ssomeone messed up and anyone
who typed BAMBI as the search criteria got something just a little bit
different than a cartoon charcter drawing of a fawn.  YEP, you guessed
it.  Yowza. yowza, yowza, what a suprize.  

I'd be willing to contribute a little money to this end (Protecting
the FRACTINT name that is, almost sounded like somethin' else there
folx).

Please let me know something on this ASAP.



                          T H A N K   Y O U


                          James R. McKenzie

_________________________________________________________
DO YOU YAHOO!?
Get your free @yahoo.com address at http://mail.yahoo.com


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From: Peter Jakubowicz <pfjakub@earthlink.net>
Subject: Re: (fractint) Time for a newsgroup?
Date: 13 Mar 1998 23:56:24 -0800

Nooooo. I too wld really hate to see this list go to a newsgroup.

>I posted on my site four quiz questions about these fractals and 
>what makes them what they are. So far, I have seen no replies. 
>http://home.san.rr.com/jayrhill/FotN/FotN62.html
>and the previous page.  Were these questions too difficult, 
>obscure, poorly written or just ho hum?  Is there any interest in 
>this forum for a deeper understanding of what makes these fractals 
>what they are?  

Yes. Very much interest here. Your Dr. J posts are terrific. 


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From: Wizzle <wizzle@cci-internet.com>
Subject: Re: (fractint) FRACTINT.ORG
Date: 13 Mar 1998 21:06:49 -0800

good idea...

where do i send my check? to whom do i make it out?


>---Tim Wegner <twegner@phoenix.net> wrote:
>>
>> 
>> >  - Anyone up for registering fractint.org?
>> 
>> I should do this, I just need to get off my duff. Should it be 
>> fractint.org or fractint.com? What are the meanings of the domain 
>> names.
>> 
>> Tim
>> 
> 
>
>please do this before some porno group grabs it.  Anyone who saw the
>BAMBI link scandal story about Disney knows what I mean.  In case you
>missed it, Disney's site has a search-bot to look up the various
>characters in th Disney family, it seem ssomeone messed up and anyone
>who typed BAMBI as the search criteria got something just a little bit
>different than a cartoon charcter drawing of a fawn.  YEP, you guessed
>it.  Yowza. yowza, yowza, what a suprize.  
>
>I'd be willing to contribute a little money to this end