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fractint-digest       Wednesday, January 7 1998       Volume 01 : Number 065




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

Date: Wed, 7 Jan 1998 06:10:20 -0500
From: "Jason Hine" <[e-mail]>
Subject: Re: (fractint) Computer warning

I betcha it's that voice-recognition software... and is she running Linux?

(That's supposed to be acompliment, Linux-users! :))

Jack warned:
>>It has recently come to my attention that Pandora,
>>my computer, has subscribed to this list under my name and
>>without my knowledge or consent. Any comments from her
>>with which you agree she probably overheard from me. The
>>rest were undoubtably her own opinions. She is also
>>claiming we could not produce our fractals without her!



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

Date: Wed, 7 Jan 1998 07:09:00 -0500
From: Sylvie Gallet <[e-mail]>
Subject: Re: (fractint) Yet another unreadable formula from Paul Carlson

Hi All,

Jay wrote:
>> I noticed Sylvie's posts in the archives are mangled. That means
>> several  of you can't read her posts of Paul Carlson's formulae
>> without difficulty. =


  Does the following par have the '=3D3D" disease???

May-2    { ; Sylvie Gallet, Dec 1997
           ; Newton's method applied to z^3 - 1 =3D 0
           ; Use decomp =3D 256 and periodicity =3D 0
 z1 =3D pixel , iter =3D 0 , j =3D -0.5 + flip(sqrt(0.75)) , k =3D conj(j=
)
 a =3D p1*(0,0.0245436)    ; real(p1) * 2i pi / 256
 :
 mz =3D cabs(z1)
 z2 =3D z1*z1
 z1 =3D ((2.5,-0.7)*z1*z2 + (0.5,0.7)) / (3*z2)
 dz =3D abs(real(z1+0.5))
 if (dz > 0.1)
   dz =3D abs(real(z1*j+0.5))
   if (dz > 0.1)
     dz =3D abs(real(z1*k+0.5))
   endif
 endif
 if (dz <=3D 0.1)
   z =3D exp((iter + 10*dz)*a) , cont =3D 0
 elseif (mz <=3D 0.25)
   z =3D exp((256/p1-1 + 4*mz)*a) , cont =3D 0
 else
   iter =3D iter + 1 , cont =3D 1
 endif
 cont
 }

May2_01            { ; .                                    t=3D  0:01:58=
=2E69
                     ; Copyright Sylvie Gallet, Dec 17, 1997
                     ; <sylvie [e-mail]>
                     ; t=3Dcalc time using a Pentium 166 at 1600 x 1200
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm formulaname=3DMa=
y-2
  passes=3D1 center-mag=3D0/2.22045e-016/0.3257822 params=3D32/0 float=3D=
y
  maxiter=3D7 inside=3D255 decomp=3D256 periodicity=3D0
  colors=3Dzzz<8>MZZHWWFUU<2>9OO7LL7KK<14>000zzz<6>UdW<12>EIGCHEBFDAEC9CB=
<6>\
  000zzz<6>fbHcZAbYA<21>000zzz<7>mU5<22>000zzz<2>piimcck``hXXeTU<6>SHIQFG=
P\
  EFNDE<13>000zzz<2>mjnhekfbic_f`Xd<6>OKRMIOLGN<7>B8B979868656545<2>000zz=
z\
  <6>Hii<15>4EG4DE3BC39A278<3>000zzz<2>llpgglddjaag<7>KKRHHOGGN<14>000
  cyclerange=3D0/223
  }

        - Sylvie

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

Date: Wed, 07 Jan 1998 06:24:04 -0600
From: Janet Preslar <[e-mail]>
Subject: Re: (fractint) Formula Needed

Wizzle wrote:

> In the mean time....could Janet....or anyone who has it.....send me Linda
> Allison's formula for her stars.  Linda sent me an email and said she would

  Gladly. It is.

051597-002   {; Linda Allison May 15, 1997
 z=0;
 c=log(sqr(sqr(pixel))*pixel)*0.2:
 z2=fn1(z)+c
 z=c*(1-z2*z2)/(1+z2*z2)
 |z|<=p1
}

Have fun!
Janet

[e-mail]
http://www.ParkeNet.org/jp


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

Date: Wed, 07 Jan 1998 07:41:10 -0800
From: Peter Jakubowicz <[e-mail]>
Subject: Re: (fractint) Yet another unreadable formula from Paul Carlson

At 07:09 AM 1/7/98 -0500, Sylvie Gallet:
>Hi All,
>
>Jay wrote:
>>> I noticed Sylvie's posts in the archives are mangled. That means
>>> several  of you can't read her posts of Paul Carlson's formulae
>>> without difficulty.
>
>  Does the following par have the '=3D" disease???

Looks lovely on my machine. Do you have a collection of pars and frms
somewhere? Peter


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

Date: Wed, 7 Jan 1998 12:49:53 -0000
From: Peter Moreland <[e-mail]>
Subject: Re: (fractint) The dreaded aaaaaa's again :(

- -----Original Message-----
From: Morgan L. Owens <[e-mail]>
To: [e-mail] <[e-mail]>
Date: 07 January 1998 07:21
Subject: Re: (fractint) The dreaded aaaaaa's again :(


>At 12:12 06/01/98 -0000, Peter Moreland wrote:
>>
>>
>>Well... You can't edit or search and replace the a's if you can't see
them!
>>The whole point is that they are not visible in email or when pasted into
>>PFE.
>>They *are* visible when read by FractInt..
>>
<snip>
>
>The thing is, Fractint is reading ASCII 160 as an á - as this is the
>code (MS-) DOS assigns the character, while in Truetype (invented by Apple,
>remember) and most other fonts used by Windows, including PFE and clearly
>whatever your email software uses, ASCII 160 refers to a nonbreaking space.
>So that's why you can't see it. So try searching with PFE for "ALT+0160"
>and see if that catches what look like spaces in the locations where a's
>are turning up in Fractint. To confirm, you can change PFE's screen font
>("options>preferences->screen font") to "Terminal" to use a DOS-type font.
>
>Morgan L. Owens
>
<snip>

Absolutely correct Morgan :)

I can now use PFE to edit the little blighters out!

hmmm... If lots of us have this problem... Maybe Tim will consider making
FractInt compensate for ASCII 160?

Anyway, Morgan thanks for the workaround, much appreciated

Peter.


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

Date: Wed, 07 Jan 1998 05:49:14 -0800
From: Wizzle <[e-mail]>
Subject: Re: (fractint) Yet another f

I think Sylvie posted Paul's formula...but my offer to post anything
anytime of Paul's is in perpetuity.

Angela

At 06:02 AM 1/7/98 -0500, you wrote:
>Paul provided:
>>Astroid_Mset  {; Copyright (c) Paul W. Carlson, 1997<<
>
>Wow, geez... most excellent!  I sure hope you figure out how to post
directly to
>the list someday, but in the meantime, thanks to the middleperson (Wizzle,
>right?) :)  Carry on, Jason
>
>
>-
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>
>

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

Date: Wed, 07 Jan 1998 06:44:12 -0800
From: Wizzle <[e-mail]>
Subject: Re: (fractint) Formula Needed

Thanks Janet....

Can I ask another favor?? I'm having a terrible time with the formula...I
must be doing something very wrong. Would you mind sharing one of your
stars' pars to head me in the right direction?? I would be very very
grateful...this is so frustrating.

Angela

At 06:24 AM 1/7/98 -0600, you wrote:
>Wizzle wrote:
>
>> In the mean time....could Janet....or anyone who has it.....send me Linda
>> Allison's formula for her stars.  Linda sent me an email and said she would
>
>  Gladly. It is.
>
>051597-002   {; Linda Allison May 15, 1997
> z=0;
> c=log(sqr(sqr(pixel))*pixel)*0.2:
> z2=fn1(z)+c
> z=c*(1-z2*z2)/(1+z2*z2)
> |z|<=p1
>}
>
>Have fun!
>Janet
>
>[e-mail]
>http://www.ParkeNet.org/jp
>
>
>-
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>
>

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

Date: Wed, 7 Jan 1998 15:52:21 -0000
From: Edward Avis <[e-mail]>
Subject: (fractint) Client-server Fractint

I was thinking about the forthcoming rewrite of Fractint for version 20,
and wondered: why not use a client-server model for fractal drawing?

The client sends a message to the server, saying "here is the formula to
use, please give me the value of the pixels in the rectangle (0,0) to
(100,100)", and the server sends back the pixels.

The advantage of this would be that it would be easy to add distributed
fractal drawing to Fractint, as well as an easy way to use the full power
of multiprocessor boxes (by running several server processes on the same
machine).  I don't know if any of you have seen the program MandelSpawn
which works on this model.  You can get _very_ fast fractal drawing if you
have a whole network of machines at your disposal 8-) .

It could even work over the Net.  Suppose a two people who read
fractint-digest decide to cooperate.  They both run the fractint server on
their machine, and when running the client, they can get the other person's
machine to draw half of the image and send it back over the Net - and
instantly, you get twice the speed! Of course, this wouldn't be useful if
they were both using their machines at full pelt all the time, but the
typical PC is idle for 90% of the time - time that could be used
calculating fractals.

What do you all think?

- --
Ed Avis
[e-mail]
http://members.tripod.com/~mave/index.html




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

Date: Wed, 7 Jan 1998 09:11:11 -0700 (MST)
From: Kerry Mitchell <[e-mail]>
Subject: (fractint) another frm and par

I came up with this formula file while playing with the "bubbles" coloring
method.  The idea is to specify a small range, say 98% to 102% of the
magnitude of c, and to color the pixel (white, say) if the iterate ever
falls within that range, black otherwise.  It creates a graceful series of
loops that get more and more convoluted, showing the fractal shape in
overview.  It seems to work with other formulas, not just z^2+c.  If you
use this, you'll definitely need to use single-pass mode, and will
probably want to anti-alias down from a much larger image to your final
piece.  I will post an image (infinity) done with this formula to the
fractal pictures newsgroup.

frm:minmaxc_jul { ; Kerry Mitchell
    ; colors the screen one color if the iterate falls between the
    ; high and low bounds, otherwise leaves it blank
    ; Julia set--c=p1, bailout=real(p2)
    ; low and high bounds are set through p3--
    ; center of range = real(p3)*|c| (try 1)
    ; width of range = imag(p3) (try 0.05)
    ; color with single-pass mode and decomp
        zc=pixel, c=p1, r=real(p2), z=1
        rc=|c|, k1=real(p3)*rc, k2=imag(p3)*0.5
        lo=k1*(1-k2), hi=k1*(1+k2):
        zc=sqr(zc)+c, rzc=|zc|
        if ((rzc>lo)&&(rzc<hi))
          z=-1
          end if
        rzc < r
        }

testminmaxc { ; Kerry Mitchell
  reset=1960 type=formula formulafile=fractint.frm
  formulaname=minmaxc_jul
  passes=1 center-mag=0/0/0.85
  params=-0.779702280199264/0.1503397589375293/100\
  0/0/1.333333333333333/0.03333333333333333
  float=y maxiter=2000 inside=0 decomp=256 periodicity=0
  colors=000CGS<4>9Ne<7>eFQbJPZNOOWNCdM\
  7fN1iP<3>5Vc<9>NnZPqYRqY<6>kqS<4>mu\
  x<3>zaY<13>T3pQ0rQ4r<13>Wyw<2>GJ1<6\
  >x2N<2>pBmtRWxfE<9>SD1<12>ecO<5>KSUzz\
  zCOW8MY<14>4pJ<11>EHC<4>si5<10>bka<4>\
  0jv<2>TEY<4>coOfwLfuN<13>hUp<4>Fjo<\
  13>8T67R29T4<7>ShOVjRZeS<5>x7_<7>ime<8>Wge
  cyclerange=0/255
  }

- -------------------------------------------------------------------------------
Kerry Mitchell
[e-mail]
- -------------------------------------------------------------------------------



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

Date: Tue, 06 Jan 1998 22:32:15 -0600
From: "Damien M. Jones" <[e-mail]>
Subject: Re: (fractint) The dreaded aaaaaa's again :(

Peter,

 - >Well... You can't edit or search and replace the a's if you can't see
 - >them! The whole point is that they are not visible in email or when
 - >pasted into PFE.

 - I found myself in the same boat. I did a little research and found out
 - that the forward slash accented a is defined as ASCII decimal value of
 - 160.

Congratulations, you've just discovered the extra space character in the
Windows character set (which is different from the DOS character set).  For
example, in Windows, the forward accented a is code 225.

Incidentally, any web page using a non-breaking space will generate code
160 in a Windows browser, and if you copy/paste in another app, you get
this.  If you want to search/replace non-breaking spaces in a Windows text
editor, enter ASCII code 160 (in the method you describe) into the "find"
portion of the dialog.  I use TextPad rather than PFE (personal preference)
and this works fine for me.

Damien M. Jones   \\
[e-mail]  \\  http://www.icd.com/tsd/  (temporary sanity designs)
                    \\  http://www.fractalus.com/ (fractals are my hobby)


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

Date: Wed, 7 Jan 1998 08:39:25 -0800
From: "Jay Hill" <[e-mail]>
Subject: Re: (fractint) Yet another unreadable formula from Paul Carlson

Hi Sylvie,

I get everyone's post just fine. It is, as discussed at length on this list
a combination of certain folks email sender and others email reader.
I use Micro$oft Internet Mail on Windows 95. No problems.
Apparently my posts are readable to all and I can read everyone's
posts.

So I was befuddled, bemused and befumed when
I saw the archive is one of the clueless email readers.
Look at Lee Skinners post  (messed up),  Jay Hill's (fine)
and Morgan L. Owens (fine)  here
http://www.xmission.com/pub/lists/fractint/archive/v01.n064
and Sylvie's (messed up) and Peter Jakubowicz (fine) here
http://www.xmission.com/pub/lists/fractint/archive/v01.n063
and again Sylvie's (messed up) at
http://www.xmission.com/pub/lists/fractint/archive/v01.n061
Watch the archive for this post. It will show the May-2 formula
just fine but Sylvie's original will be screwed up.

We need an archive free of 3D effects! That is why I posted Paul's
formula on my page, 34k for just his.  (I hope my late last night
silliness was decryptable  :-)  , there were illustrations to go with
the text.)

A complete 1997 collection must be pushing a megabyte
for just the frm + par. A weekly collection posted somewhere
would be useful. Someone mentioned it already, as an
automatic server thing. But if such is another UNIX dummy
collecting =3D effects, forget it!  If someone has a 1997 (& 1996)
collection very well organized (and I'm not sure exactly what
that means) that would be useful. And now would be a
good time to start 1998 :-).

Jay

- ----------
> From: Sylvie Gallet <[e-mail]>
> To: [e-mail]
> Subject: Re: (fractint) Yet another unreadable formula from Paul Carlson
> Date: Wednesday, January 07, 1998 4:09 AM
>
> Hi All,
>
> Jay wrote:
> >> I noticed Sylvie's posts in the archives are mangled. That means
> >> several  of you can't read her posts of Paul Carlson's formulae
> >> without difficulty.
>
>   Does the following par have the '=3D" disease???
>
> May-2    { ; Sylvie Gallet, Dec 1997
>            ; Newton's method applied to z^3 - 1 = 0
>            ; Use decomp = 256 and periodicity = 0
>  z1 = pixel , iter = 0 , j = -0.5 + flip(sqrt(0.75)) , k = conj(j)
>  a = p1*(0,0.0245436)    ; real(p1) * 2i pi / 256
>  :
>  mz = cabs(z1)
>  z2 = z1*z1
>  z1 = ((2.5,-0.7)*z1*z2 + (0.5,0.7)) / (3*z2)
>  dz = abs(real(z1+0.5))
>  if (dz > 0.1)
>    dz = abs(real(z1*j+0.5))
>    if (dz > 0.1)
>      dz = abs(real(z1*k+0.5))
>    endif
>  endif
>  if (dz <= 0.1)
>    z = exp((iter + 10*dz)*a) , cont = 0
>  elseif (mz <= 0.25)
>    z = exp((256/p1-1 + 4*mz)*a) , cont = 0
>  else
>    iter = iter + 1 , cont = 1
>  endif
>  cont
>  }
>
> May2_01            { ; .                                    t=  0:01:58.69
>                      ; Copyright Sylvie Gallet, Dec 17, 1997
>                      ; <sylvie [e-mail]>
>                      ; t=calc time using a Pentium 166 at 1600 x 1200
>   reset=1960 type=formula formulafile=fractint.frm formulaname=May-2
>   passes=1 center-mag=0/2.22045e-016/0.3257822 params=32/0 float=y
>   maxiter=7 inside=255 decomp=256 periodicity=0
>   colors=zzz<8>MZZHWWFUU<2>9OO7LL7KK<14>000zzz<6>UdW<12>EIGCHEBFDAEC9CB<6>\
>   000zzz<6>fbHcZAbYA<21>000zzz<7>mU5<22>000zzz<2>piimcck``hXXeTU<6>SHIQFGP\
>   EFNDE<13>000zzz<2>mjnhekfbic_f`Xd<6>OKRMIOLGN<7>B8B979868656545<2>000zzz\
>   <6>Hii<15>4EG4DE3BC39A278<3>000zzz<2>llpgglddjaag<7>KKRHHOGGN<14>000
>   cyclerange=0/223
>   }
>
>         - Sylvie


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

Date: Wed, 07 Jan 1998 09:57:31 -0700
From: Rich Thomson <[e-mail]>
Subject: Re: (fractint) The dreaded aaaaaa's again :(

In article <[e-mail]> ,
    "Damien M. Jones" <[e-mail]>  writes:
> Congratulations, you've just discovered the extra space character in the
> Windows character set (which is different from the DOS character set).  For
> example, in Windows, the forward accented a is code 225.

Isn't the Windows character set the same as ISO Latin 1?
See <URL: http://www.htmlhelp.com/reference/charset/>, which gives the
same characters for the different code 160 and 225 as you describe.
- --
  ``Between stimulus and response is the will to choose.''  -- Steven Covey
 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
     3D Paint: The Power to Create in 3D;        Rich Thomson
     email me for more info                [e-mail]

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

Date: Wed, 7 Jan 1998 13:38:17 -0500
From: Sylvie Gallet <[e-mail]>
Subject: Re: (fractint) Yet another unreadable formula from Paul Carlson

Hi Jay,

>> I get everyone's post just fine.

  Me too!

        - Sylvie

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

Date: Wed, 07 Jan 1998 12:50:13 -0600
From: "Damien M. Jones" <[e-mail]>
Subject: Re: (fractint) The dreaded aaaaaa's again :(

Rich,

 - Isn't the Windows character set the same as ISO Latin 1?

Most likely.  But "ISO Latin 1" doesn't mean much to most people.
"Windows" does. :)

Damien M. Jones   \\
[e-mail]  \\  http://www.icd.com/tsd/  (temporary sanity designs)
                    \\  http://www.fractalus.com/ (fractals are my hobby)


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

Date: Wed, 7 Jan 1998 17:09:43 -0500
From: "Jason Hine" <[e-mail]>
Subject: Re: (fractint) Client-server Fractint

>I was thinking about the forthcoming rewrite of Fractint for version 20,
>and wondered: why not use a client-server model for fractal drawing?


[snip...]

>What do you all think?

Oh, I like the idea, but wonder about ease of implementation for v20...
Jason


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

Date: Wed, 07 Jan 1998 15:30:24 -0700
From: Rich Thomson <[e-mail]>
Subject: Re: (fractint) Client-server Fractint

> >I was thinking about the forthcoming rewrite of Fractint for version 20,
> >and wondered: why not use a client-server model for fractal drawing?

There are several client-server distributed M-set programs out there,
I can dig up references.  Portability is a real problem, although its
significantly easier now that winsock has become popularized on
Windows.  However, that still leaves a socket implementation for DOS.
The technology is there, but interoperability and portability of code
is a problem for fractint's limited operating environment as a 16-bit
dos app.
- --
  ``Between stimulus and response is the will to choose.''  -- Steven Covey
 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
     3D Paint: The Power to Create in 3D;        Rich Thomson
     email me for more info                [e-mail]

- -
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Date: Wed, 7 Jan 1998 20:10:51 -0500
From: Les St Clair <[e-mail]>
Subject: Re: (fractint) =3D disease

Hi Sylvie,

You asked:
> Does the following par have the '=3D3D" disease???<

Not on my system (CompuServe), but you can bet the archive of your post
will be scrambled!

I asked Compuserve if there was a way of switching the quoted-printable
encoding off (as you know, it affects my outgoing posts too). After sever=
al
days I received this reply:

>>CompuServe  mail, using New Mail, is MIME compliant, which performs the=

encoding and decoding of your mail.
>>As long as the recipient is using MIME compliant mail, then this should=

not be a problem.

Very helpful!!

cheers, Les



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Date: Wed, 07 Jan 1998 19:54:38 -0800
From: Wizzle <[e-mail]>
Subject: Re: (fractint) Client-server Fractint

Ed....

This is what I think of as the nice to have eventually category. I'm far
more interested in getting a winfract that....

1. does everything the dos version does
2.  has complete documentation and a dummy proof help utility
3.  runs under nt
4. preserves all the color mapping options I have in fractint and maybe
adds some anti-aliasing post processing or something....
5.  gives me a bunch more filters or formulas or whatever you think is the
proper term for coloring the inside and outside of the fractal (like damien
jone's stuff)
6. an expanded pallet would be nice.....but I'm not sure I'm crazy about
any of the truecolor programs.....and I hate their color control
interfaces.....so there's a problem for you all to solve.

If I can process the fractal as a background application while reading my
email or whatever, I don't really care that my processing time goes from 10
minutes to 5. And by next year I'll cut that time anyway by going from my
100mhz pent to 233 or something anyway.

Angela

At 03:52 PM 1/7/98 -0000, you wrote:
>I was thinking about the forthcoming rewrite of Fractint for version 20,
>and wondered: why not use a client-server model for fractal drawing?
><<snipped>>
>What do you all think?
>
>--
>Ed Avis
>[e-mail]
>http://members.tripod.com/~mave/index.html
>
>
>
>
>-
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>

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Date: Wed, 7 Jan 1998 22:47:45 -0500
From: Lee Skinner <[e-mail]>
Subject: (fractint) Cosh_atan_mset

- ---------------------------------------------------------
Here's a variation of ATAN coloring that works well with
many transcendental functions.  This FRM and PAR file
use the COSH function.  Let me know if you're getting
tired of the comments in my formulas.

Cosh_Atan_Mset {; Copyright (c) Paul W. Carlson, 1997
    ;****************************************************
    ; Always use floating point math and outside=3Dsumm.
    ;
    ; Parameters:
    ;   real(p1) =3D maximum value of abs(real(w))
    ;   real(p2) =3D number of color ranges
    ;   imag(p2) =3D number of colors in each color range
    ;
    ; Note that the equation variable is w, not z.  Always
    ; initialize z to zero.
    ;****************************************************
    prev_w =3D 0
    c =3D pixel
    z =3D 0
    bailout =3D 0
    iter =3D 0
    range_num =3D 0
    max_real =3D real(p1)
    ;****************************************************
    ; In the accompanying par file coshatan.par,
    ; we have 2 color ranges with 125 colors in each range
    ; for a total of 250 colors. The first range starts at
    ; color 1.  Pixels will use color 253 for no bailout.
    ; Other values can be used here as long as the product
    ; of num_ranges times colors_in_range is less than 255.
    ;****************************************************
    num_ranges =3D real(p2)
    colors_in_range =3D imag(p2):
    ;****************************************************
    ; The equation being iterated.
    ;****************************************************
    w =3D cosh(prev_w) + c
    ;****************************************************
    ; If abs(real(w)) exceeds the value of max_real, set z to
    ; the index into the colormap and set the bailout flag.
    ;****************************************************
    IF (abs(real(w)) > max_real)
    ;***************************************************
    ; Compute the angle between the last 2 orbit points
    ;***************************************************
    delta_i =3D imag(w) - imag(prev_w)
    delta_r =3D real(w) - real(prev_w)
    angle =3D abs(atan(delta_i / delta_r))
    bailout =3D 1
    range_index =3D 2 * colors_in_range * angle / pi
    z =3D range_index + range_num * colors_in_range + 1
    ENDIF
    prev_w =3D w
    ;****************************************************
    ; 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 =3D range_num + 1
    IF (range_num =3D=3D num_ranges)
        range_num =3D 0
    ENDIF
    ;****************************************************
    ; Since we are using outside=3Dsumm, we have to subtract
    ; the number of iterations from z.
    ;****************************************************
    iter =3D iter + 1
    z =3D z - iter
    ;****************************************************
    ; Finally, we test for bailout
    ;****************************************************
    bailout =3D=3D 0
}


coshatan           {; Copyright (c) Paul W. Carlson, 1997
  reset=3D1960 type=3Dformula formulafile=3Datan.frm
  formulaname=3DCosh_Atan_Mset passes=3Dt
  corners=3D0.936256107301329/0.936256306792296/0.335034518072\
  451/0.335034387876525/0.936256241612122/0.335034338991395
  params=3D12/0/2/125
  float=3Dy maxiter=3D1000 inside=3D253 outside=3Dsumm
  colors=3D000zVz<108>G0GG0GG0GG0GG0G<10>G0Gzz0<108>aG0aG0aG0aG0a\
  G0<10>aG0000<3>000
  }

Paul Carlson
- ------------------------------------------------------------------
                email   [e-mail]

WWW Fractal Galleries   http://sprott.physics.wisc.edu/carlson.htm
                        http://fractal.mta.ca/fractals/carlson/
                        http://www.cnam.fr/fractals/carlson.html
- ------------------------------------------------------------------

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Date: Wed, 07 Jan 1998 20:06:12 -0800
From: Wizzle <[e-mail]>
Subject: Re: (fractint) Formula Needed

- --=====================_884261172==_
Content-Type: text/plain; charset="us-ascii"

Janet....

Here's a very funny attachment in thanks for your help.....it's a series of
replies kids of about 11 gave to science questions....a gem...enjoy

Angela


At 06:24 AM 1/7/98 -0600, you wrote:
>Wizzle wrote:
>
>> In the mean time....could Janet....or anyone who has it.....send me Linda
>> Allison's formula for her stars.  Linda sent me an email and said she would
>
>  Gladly. It is.
>
>051597-002   {; Linda Allison May 15, 1997
> z=0;
> c=log(sqr(sqr(pixel))*pixel)*0.2:
> z2=fn1(z)+c
> z=c*(1-z2*z2)/(1+z2*z2)
> |z|<=p1
>}
>
>Have fun!
>Janet
>
>[e-mail]
>http://www.ParkeNet.org/jp
>
>
>-
>------------------------------------------------------------
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>
>
- --=====================_884261172==_
Content-Type: text/plain; charset="us-ascii"
Content-Disposition: attachment; filename="kidscience.txt"

> Science Exam Quotes from 11-Year-Old Kids
>
>     "Water is composed of two gins, Oxygin and Hydrogin. Oxygin is
pure
>     gin.  Hydrogin is gin and water."
>
>     "When you breathe, you inspire. When you do not breathe, you
>expire."
>
>     "H2O is hot water, and CO2 is cold water."
>
>     "When you smell an odorless gas, it is probably carbon monoxide."
>
>     "Nitrogen is not found in Ireland because it is not found in a
free
>     state."
>
>     "Three kinds of blood vessels are arteries, vanes and
caterpillars."
>
>     "Blood flows down one leg and up the other."
>
>     "Respiration is composed of two acts, first inspiration, and then
>     expectoration."
>
>     The moon is a planet just like the earth, only it is even
deader."
>
>     "Dew is formed on leaves when the sun shines down on them and
makes
>     them perspire."
>
>     "A super-saturated solution is one that holds more than it can
>hold."
>
>     "Mushrooms always grow in damp places and so they look like
>     umbrellas."
>
>     "The body consists of three parts - the brainium, the borax and
the
>     abominable cavity. The brainium ontains the brain, the borax
>     contains the heart and lungs, and the abominable cavity contains
the
>
>     bowls, of which there are five - a, e, i, o, and u."
>
>     "The pistol of a flower is its only protection against insects."
>
>     "The alimentary canal is located in the northern part of
Indiana."
>
>     "The skeleton is what is left after the insides have been taken
out
>     and the outsides have been taken off.  The purpose of the
skeleton
>is
>     something to hitch meat to."
>
>     "A permanent set of teeth consists of eight canines, eight
cuspids,
>     two molars, and eight cuspidors."
>
>     "The tides are a fight between the Earth and moon.  All water
tends
>     towards the moon, because there is no water in the moon, and
>     nature abhors a vacuum. I forget where the sun joins in this
fight."
>
>     "A fossil is an extinct animal. The older it is, the more extinct
it
>
>     is."
>
>     "Equator: A managerie lion running around the Earth through
Africa."
>
>     "Germinate: To become a naturalized German."
>
>     "Liter: A nest of young puppies."
>
>     "Momentum: What you give a person when they are going away."
>
>     "Planet: A body of Earth surrounded by sky."
>
>     "Rhubarb: A kind of celery gone bloodshot."
>
>     "Vacuum: A large, empty space where the pope lives."
>
>     "Before giving a blood transfusion, find out if the blood is
>     affirmative or negative."
>
>     "To remove dust from the eye, pull the eye down over the nose."
>
>     "For a nosebleed: Put the nose much lower then the body until the
>     heart stops."
>
>     "For drowning: Climb on top of the person and move up and down to
>make
>     artificial perspiration."
>
>     "For fainting: Rub the person's chest or, if a lady, rub her arm
>above
>     the hand instead.  Or put the head between the knees of the
nearest
>     medical doctor."
>
>     "For dog bite: put the dog away for several days.  If he has not
>     recovered, then kill it."
>
>     "For asphyxiation: Apply artificial respiration until the patient
is
>
>     dead."
>
>     "For head cold: use an agonizer to spray the nose until it drops
in
>     your throat."
>
>     "To keep milk from turning sour: Keep it in the cow."
>
>     "One horsepower is the amount of energy it takes to drag a horse
500
>
>     feet in one second."
>
>     "You can listen to thunder after lightening and tell how close
you
>     came."
>
>     "When they broke open molecules, they found they were only
stuffed
>     with atoms. But when they broke open atoms, they found them
stuffed
>     with explosions."
>
>     "Some day we may discover how to make magnets that can point in
any
>     direction."
>
>     "Most books now say our sun is a star. But it still knows how to
>     change back into a sun in the daytime."
>
>     "A vibration is a motion that cannot make up its mind which way
it
>     wants to
>     go."
>
>     "There are 26 vitamens in all, but some of the letters are yet to
be
>
>     discovered."
>

- --=====================_884261172==_--


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Date: Wed, 07 Jan 1998 20:08:49 -0800
From: Wizzle <[e-mail]>
Subject: (fractint) ooops...

I didn't mean to post that joke to the whole list......and it has an
attachment....oooooooooooops...sorry.....

Angela

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Date: Wed, 07 Jan 1998 20:19:05 -0800
From: Wizzle <[e-mail]>
Subject: Re: (fractint) Cosh_atan_mset

Paul writes....

At 10:47 PM 1/7/98 -0500, you wrote:
>
>---------------------------------------------------------
>Here's a variation of ATAN coloring that works well with
>many transcendental functions.  This FRM and PAR file
>use the COSH function.  Let me know if you're getting
>tired of the comments in my formulas.
>
Paul...you bring to mind some comments that I would very much like to see
in all formulas.......first, a hint about what values to put in when
prompted.  It is very frustrating to look at a formula with 6 blank spaces
and not have any combination of numbers work after 30 minutes.  Also, if a
formula requires some sort of resent in the basic or other options, that is
VERY handy knowledge to have.  This morning I was messing with a formula
that needed the decomp thingy (in the basic section) to be set to
256....like NO WAY am I going to know to do that. Having the pars is a
great help....but having that type of info in the formula itself saves
having to hunt for the par or gif that starts you out on the right foot.

Angela

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End of fractint-digest V1 #65
*****************************