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fractint-digest          Monday, May 18 1998          Volume 01 : Number 210




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

Date: Mon, 18 May 98 22:26:50 +0100
From: Oliver Klimek <[e-mail]>
Subject: (fractint) Re: Lorentz Bubbles

Paul,

I have just tried out your bubble rendering of my Lorentz formula. Very
cute indeed.

Oliver


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Date: Mon, 18 May 98 22:27:39 +0100
From: Oliver Klimek <[e-mail]>
Subject: (fractint) Perturbing Julias

Here are two small formulas that display perturbed Julia sets. How could
this possibly be done? The first thing one could think of is to do the
same thing that is done to perturbed Mandelbrot sets. But this does not
work. In the Mandelbrot set perturbation is done by adding a constant to
the initial value of z before each iteration. In Julia sets the initial
value of z is the current pixel value. When we add a constant to this, the
Julia set will only be translated in the z-plane. We could also think of
adding a constant to the Julia parameter c, but this only results in a
different Juila set being generated. The key to success is to change the
julia parameter for each iteration. The easiest way to do this is to add a
term dependent on the current pixel value, scaled by a constant.

The first formula changes c = p1 by adding the term p2*pixel, the second
one is a generalized version using c=p1+p2*fn1(pixel). I have includes
pars that show the effects of increasing perturbation for a single Julia
set using the first forumula. The same results can be obtained with the
second formula setting fn1 to "ident". I have not included pars for the
generalized formula, but I can assure you you will have fun with it.

Oliver

- ----- begin test.frm -------
okJ_05{ ; Perturbed Julia set
            ; Julia parameter p1 is perturbed by p2*pixel
            ; p2=0 -> no perturbation
            ; p3 = bailout
z=pixel
c=p1+p2*pixel:
z=z*z+c
|z|<=p3
}

okJ_06{ ; Generalized perturbed Julia set
            ; Julia parameter p1 is perturbed by p2*fn1(pixel)
            ; p2=0 -> no perturbation
            ; p3 = bailout
z=pixel
c=p1+p2*fn1(pixel):
z=z*z+c
|z|<=p3
}
- -------- end test.frm ---------

- -------- begin test.par -------
okJ_05_01          { ; A plain Julia set
                     ;    (c) Oliver Klimek, MCMXCVIII
                     ; time=  0:00:14.35 on P-100 1024x768
  reset=1960 type=formula formulafile=test.frm formulaname=okJ_05
  center-mag=-0.036036/0/0.6666667 params=-0.78/-0.21/0/0/8/0 float=y
  maxiter=1500 bailout=8 inside=0
  colors=000vpK<31>n`2n_1mZ0lY0<197>000zzW<19>vpL
  }

okJ_05_02          { ; The same set, slightly perturbed
                     ;    (c) Oliver Klimek, MCMXCVIII
                     ; time=  0:00:14.09 on P-100 1024x768
  reset=1960 type=formula formulafile=test.frm formulaname=okJ_05
  center-mag=-0.036036/0/0.6666667 params=-0.78/-0.21/0.025/0.03/8/0
  float=y maxiter=1500 bailout=8 inside=0
  colors=000vpK<31>n`2n_1mZ0lY0<197>000zzW<19>vpL
  }

okJ_05_03          { ; The same set, perturbed some more
                     ;    (c) Oliver Klimek, MCMXCVIII
                     ; time=  0:00:19.85 on P-100 1024x768
  reset=1960 type=formula formulafile=test.frm formulaname=okJ_05
  center-mag=-0.036036/0/0.6666667 params=-0.78/-0.21/0.04/0.03/8/0
  float=y maxiter=1500 bailout=8 inside=0
  colors=000vpK<31>n`2n_1mZ0lY0<197>000zzW<19>vpL
  }

okJ_05_04          { ; The same set, grossly perturbed
                     ;    (c) Oliver Klimek, MCMXCVIII
                     ; time=  0:00:16.31 on P-100 1024x768
  reset=1960 type=formula formulafile=test.frm formulaname=okJ_05
  center-mag=-0.036036/0/0.6666667 params=-0.78/-0.21/0.2/0.1/8/0
  float=y maxiter=1500 bailout=8 inside=0
  colors=000vpK<31>n`2n_1mZ0lY0<197>000zzW<19>vpL
  }

okJ_05_05          { ; Now, where is this heading ?
                     ;    (c) Oliver Klimek, MCMXCVIII
                     ; time=  0:00:09.94 on P-100 1024x768
  reset=1960 type=formula formulafile=test.frm formulaname=okJ_05
  center-mag=-0.036036/0/0.6666667 params=-0.78/-0.21/0.5/0.6/8/0
  float=y maxiter=1500 bailout=8 inside=0
  colors=000vpK<31>n`2n_1mZ0lY0<197>000zzW<19>vpL
  }

okJ_05_06          { ; Welcome to the wonderful world of complex
mathematics
                     ;    (c) Oliver Klimek, MCMXCVIII
                     ; time=  0:00:24.72 on P-100 1024x768
  reset=1960 type=formula formulafile=test.frm formulaname=okJ_05
  center-mag=+0.00519101025135284/+0.00028346759843633/44.10254
  params=-0.78/-0.21/50/50/8/0 float=y maxiter=1500 bailout=8 inside=0
  colors=000vpK<31>n`2n_1mZ0lY0<197>000zzW<19>vpL
  }

- ------- end test.par --------


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

Date: Mon, 18 May 98 08:35:48 PDT
From: Colleen Johnson <[e-mail]>
Subject: Re: (fractint)newbe needs video mode

Hi Steve
Thanks for the suggestions.  No, my 'puter is NOT allowing me to use SF6,=
 from either Windows or DOS.  I'm very disappointed in it.  In fact, I've=
 tried all of the modes that look even possibly appropriate, and only a =
couple of the lower resolution ones work.  I'm going to have my fairly-co=
mputer-literate hubby check Setup to see if there's any problem with the =
way we have the computer set up. Any other ideas of things to check?
Thanks!
Colleen


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Date: Mon, 18 May 1998 18:08:22 -0400
From: "RJ Corradino" <[e-mail]>
Subject: RE: (fractint)newbe needs video mode

Hmm...can you use those modes under windows(outside of fractint)?  Maybe you
don't have the dos VESA drivers.  I had a similar problem with quake last
year.  Check on your video card maker's home page and try to download the
newest driver.


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

Date: Mon, 18 May 1998 18:09:04 -0400
From: davides <[e-mail]>
Subject: Re: (fractint)newbe needs video mode

At 08:35 AM 5/18/1998 PDT, you wrote:
>Hi Steve
>Thanks for the suggestions.  No, my 'puter is NOT allowing me to use SF6,
from either Windows or DOS.  I'm very disappointed in it.  In fact, I've
tried all of the modes that look even possibly appropriate, and only a
couple of the lower resolution ones work.  I'm going to have my
fairly-computer-literate hubby check Setup to see if there's any problem
with the way we have the computer set up. Any other ideas of things to check?

Watching this thread...just out of curiosity, what is your monitor set at?
(Contol Panel/Display/Settings)
[e-mail]
[e-mail]
Back up my hard drive?
How do I put it in reverse?

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

Date: Mon, 18 May 1998 18:33:07 -0400
From: "Paul Derbyshire" <[e-mail]>
Subject: Re: (fractint) LorentzM with FlexBalls Formula

>Wow!  You wizzled that one real good - beautiful!  It sure does have
>an Egyptian flavor to it.

Wizzled??? That's a new one on me. :-)

- --
   .*.  "Clouds are not spheres, mountains are not cones, coastlines are not
- -()  <  circles, and bark is not smooth, nor does lightning travel in a
   `*'  straight line."    -------------------------------------------------
        -- B. Mandelbrot  |http://www3.sympatico.ca/bob.beland/indexn2f.html
_____________________ ____|________     Paul Derbyshire     [e-mail]
Programmer & Humanist|ICQ: 10423848|



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

Date: Mon, 18 May 1998 18:35:47 -0400
From: "Paul Derbyshire" <[e-mail]>
Subject: Re: (fractint) Calc method

>...Tesseract is almost as much fun to watch.

Tesseract?
(I guess you meant tesseral... Microsoft's spell checker likes that one even
less that 'wizzled'... "no suggestions" this time...)

- --
   .*.  "Clouds are not spheres, mountains are not cones, coastlines are not
- -()  <  circles, and bark is not smooth, nor does lightning travel in a
   `*'  straight line."    -------------------------------------------------
        -- B. Mandelbrot  |http://www3.sympatico.ca/bob.beland/indexn2f.html
_____________________ ____|________     Paul Derbyshire     [e-mail]
Programmer & Humanist|ICQ: 10423848|



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

Date: Mon, 18 May 1998 18:57:10 -0400
From: Lee Skinner <[e-mail]>
Subject: (fractint) Calc method

To mctupper:

>> MetalComplexNewton { ; complexnewton using black metal colors
=2E..
>>   inside=3Depsiloncross outside=3Dreal decomp=3D256 colors=3D@blackmet=
=2Emap
                                                        ^^^^^^^^^^^^^
>  It's probably a very nice map but I don't have it! :-)

And neither do I!  If you would place the command "recordcolors=3Dyes" in=

your sstools.ini file, then whenever you create a par that you want to po=
st
to the list, the colors will be defined within the par and no map is
necessary for other wishing to re-create your image.

Lee Skinner

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

Date: Mon, 18 May 1998 19:42:52 -0400 (EDT)
From: Jim Muth <[e-mail]>
Subject: Re: (fractint) Perturbing Julias

At 10:27 PM 5/18/98 +0100, Oliver Klimek wrote:

>Here are two small formulas that display perturbed Julia sets.
          <rest of letter snipped>


You have just discovered the Julibrot with exactly the same
formula that I was testing when I discovered it several years
ago.  You are not "perturbing" the Julia set -- all Julia sets
with a C-value other than 0,0 are "perturbed".  What you are
doing is rotating the displayed image through the four-dimen-
sional Julibrot figure from the Julia direction to the Mandel-
brot direction.  Stick with this line of exploration.  It is
the richest method of finding fractals that I have yet
discovered.

The attached par and frm file, which will be in my FOTD for
May 19, is a "perturbed" view of the Elephant Valley area,
sliced at an angle of 1-1/4 and 1-1/4 degrees from the Julia
direction.  It shows just a hint of the undiscovered scenes
that lie waiting in the oblique planes between the absolutely
perpendicular Mandelbrot and Julia sets.


Jim Muth
[e-mail]


START 19.6 PARAMETER-FORMULA FILE============================

Julibrot_monster   { ; 2min on a 486-100mhz, 640x480
  reset=1960 type=formula formulafile=multirot.frm
  formulaname=multirot-XY-ZW function=ident/flip
  center-mag=0.0061619/2.22045e-016/1.191532/1/90
  params=88.75/91.25/0/0/0.29/0 float=y maxiter=1200
  bailout=25 inside=0 symmetry=xaxis periodicity=10
  colors=000691<12>0J3<10>SoZ<13>zAw<7>iWF<2>K7zWMWf`2sn1\
  <12>yKZ<8>hE5gE2dC4<6>R2GTwI<14>xZN<9>gfr<11>ybF<10>`l0\
  <6>`eY<2>QwzMgvJTr<12>`4g<11>T4C<13>MCdMCfKEd<11>7aJ6cI\
  6`B6Y4dgnjUb<4>delJkpQioXhnXS2<4>bef3Du<2>V`o5D7<4>ZbgG\
  So<4>_en7rO<5>_hkRlvWjs_hpRfrWgp_goCxO<6>`ikgtl
  }

frm:multirot-XY-ZW {;draws all 6 planes and many rotations
;when fn1-2=i,f, then p1 0,0=M, 0,90=O, 90,0=E, 90,90=J
;when fn1-2=f,i, then p1 0,0=M, 0,90=R, 90,0=P, 90,90=J
a=real(p1)*.01745329251994, b=imag(p1)*.01745329251994,
z=sin(b)*fn1(real(pixel))+sin(a)*fn2(imag(pixel))+p2,
c=cos(b)*real(pixel)+cos(a)*flip(imag(pixel))+p3:
z=sqr(z)+c,
|z| <= 36  }

END 19.6 PARAMETER-FORMULA FILE==============================



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

Date: Mon, 18 May 1998 20:29:05 -0400 (EDT)
From: [e-mail]
Subject: Re: (fractint) Calc method

On Mon, 18 May 1998, Paul Derbyshire wrote:

> >...Tesseract is almost as much fun to watch.
>
> Tesseract?
> (I guess you meant tesseral... Microsoft's spell checker likes that one even
> less that 'wizzled'... "no suggestions" this time...)

That's strange, because 'tesseract' is a real word.  It's a
four-dimensional cube.  (It would be cool if fractint had a rendering
method based on that....:)

Speaking of Microsoft's spell checker, try this out:  Go into Word, type
'zzzz' and spell-check it and see what's really on Bill Gates' mind.

- --Cliff
  http://www.people.cornell.edu/pages/cjc26/

  civil rights are not special rights

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

Date: Mon, 18 May 1998 20:33:03 -0400 (EDT)
From: [e-mail]
Subject: Re: (fractint) Perturbing Julias

On Mon, 18 May 1998, Jim Muth wrote:

> The attached par and frm file, which will be in my FOTD for
> May 19, is a "perturbed" view of the Elephant Valley area,
> sliced at an angle of 1-1/4 and 1-1/4 degrees from the Julia
> direction.  It shows just a hint of the undiscovered scenes
> that lie waiting in the oblique planes between the absolutely
> perpendicular Mandelbrot and Julia sets.

Speaking of the julibrot, can anyone tell me what a THREE-dimensional
slice of it would look like?  In particular, the three-dimensional slice(s)
which have the Mandelbrot set on the x-y plane?  Thanks...

- --Cliff
  http://www.people.cornell.edu/pages/cjc26/

  civil rights are not special rights

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

Date: Mon, 18 May 1998 19:34:43 -0500 (CDT)
From: [e-mail] (Paul and/or Joyce Carlson)
Subject: Re: (fractint) LorentzM with FlexBalls Formula

>>Wow!  You wizzled that one real good - beautiful!  It sure does have
>>an Egyptian flavor to it.
>
>Wizzled??? That's a new one on me. :-)

From Carlson's Fractal Dictionary (not sold in stores):
wizzled  (verb)  any action performed by Angela (aka Wizzle) upon a
fractal image resulting in an enhancement of the image.

Paul Carlson


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

Date: Mon, 18 May 1998 19:42:30 -0500 (CDT)
From: [e-mail] (Paul and/or Joyce Carlson)
Subject: Re: (fractint) one last formula today

Hi Sylvie,

>My favorite colormap is gold_green.
>
>  Here are two colormaps:

[snip]

Thanks!  Both are great - not sure which I like the best.
Both will be added to my collection.

Paul Carlson



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

Date: Mon, 18 May 1998 19:42:09 -0500
From: "Earl Simpson" <[e-mail]>
Subject: Re: (fractint) LorentzM with FlexBalls Formula

- -----Original Message-----
From: Paul and/or Joyce Carlson <[e-mail]>
To: [e-mail] <[e-mail]>
Date: Monday, May 18, 1998 7:36 PM
Subject: Re: (fractint) LorentzM with FlexBalls Formula


>>>Wow!  You wizzled that one real good - beautiful!  It sure does have
>>>an Egyptian flavor to it.
>>
>>Wizzled??? That's a new one on me. :-)
>
>>From Carlson's Fractal Dictionary (not sold in stores):
>wizzled  (verb)  any action performed by Angela (aka Wizzle) upon a
>fractal image resulting in an enhancement of the image.
>
>Paul Carlson
>
Outstanding --- way to go Paul -- ROTFL -- :))

Earl Simpson


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

Date: Mon, 18 May 1998 19:59:25 -0500 (CDT)
From: [e-mail] (Paul and/or Joyce Carlson)
Subject: Re: (fractint) Pars for the course

To Bob:

Ah, yes - a demo of the secret you revealed to us during
the fractal chat.

To everyone else:

Come join us in the next fractal chat (to be announced
by Wizzle) and you too can learn some of Bob's Fractint
secrets (and lots of other good stuff).

That wasn't fair, was it?  But we gotta get more people!

Paul Carlson


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Date: Mon, 18 May 1998 21:05:12 -0400
From: "Paul Derbyshire" <[e-mail]>
Subject: (fractint) Broken link ;-(

Oh Jaaaay.... Hate to tell you this, but you made a typo somewhere or
something... tonight's FOTN is a broken link ;-(


- --
   .*.  "Clouds are not spheres, mountains are not cones, coastlines are not
- -()  <  circles, and bark is not smooth, nor does lightning travel in a
   `*'  straight line."    -------------------------------------------------
        -- B. Mandelbrot  |http://www3.sympatico.ca/bob.beland/indexn2f.html
_____________________ ____|________     Paul Derbyshire     [e-mail]
Programmer & Humanist|ICQ: 10423848|



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

Date: Mon, 18 May 1998 21:16:40 -0400 (EDT)
From: [e-mail]
Subject: Re: (fractint) Pars for the course

On Mon, 18 May 1998, Paul and/or Joyce Carlson wrote:

> Come join us in the next fractal chat (to be announced
> by Wizzle) and you too can learn some of Bob's Fractint
> secrets (and lots of other good stuff).
>
> That wasn't fair, was it?  But we gotta get more people!

I was out of town last weekend, so that's why I couldn't come.  But I'll
definitely show up next week! :)

- --Cliff
  http://www.people.cornell.edu/pages/cjc26/

  civil rights are not special rights

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Date: Mon, 18 May 1998 20:40:36 -0500 (CDT)
From: [e-mail] (Paul and/or Joyce Carlson)
Subject: Re: (fractint) Paul Carlson frm and pars

Gedeon,

>In particular, however, I would like to comment on your "Satan.

Thanks for the comments, Gedeon.  It is a very strange image.
When it first came up on the screen, it made me want to take the
cover off my computer to see if there was something living
inside it that I didn't know about.

Paul Carlson


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Date: Mon, 18 May 1998 21:49:32 -0400 (EDT)
From: [e-mail]
Subject: Re: (fractint) Join us next time!

On Sun, 17 May 1998, Paul and/or Joyce Carlson wrote:

> 2) Best books on fractals and best places to buy them.

I'm looking for fractal books right now.  Any suggestions?

- --Cliff
  http://www.people.cornell.edu/pages/cjc26/

  civil rights are not special rights

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Date: Mon, 18 May 1998 19:02:54 -0700
From: "Angela Wilczynski" <[e-mail]>
Subject: (fractint) Fractal Chat

Personally I would love to do fractal chat during the day, PDT or EDT, but I am
cursed with this impediment called "work"....(a four letter word, you will
note.) I feel fairly sure many of you are similarly afflicted.  Several
questions and suggestions:

1.  For those of you who can get together during the day, by all means do
so......I can't see why I should be the Sophie Tucker of fractint.

2.  Those of us who have done a bit of chatting would love to include all those
not in the USA time zones, but that means setting up a time which is manageable
for most.....I think early weekend mornings fit that bill the best. 7AM here on
the left coast is 3PM in England and 9ish in oz.

3.  Anyone who is hesitant to jump right in with us because of language or
unfamiliarity with IRC clients.......don't worry.  IRC is as easy as email once
you have set up the program (I use MIRC)......and if you are concerned about
your English I can assure you that Earl, Paul, Kathy, Bob, Ren and I talk so
much you can sit on the sidelines until you are thoroughly comfortable.

IRC is particularly beneficial for those starting out because your questions can
be answered in real time. I know when someone give me instructions, half the
time I can't quite understand them and need to get additional information.  "On
line" you can look at your application while you are asking the question.....and
if what you are told doesn't work, you can get more help...."are you looking at
screen x?  do you see that icon with the lightening bolt?  no...no....on the
left!!! "......stuff like that.

What do you sleepyheads say to chatting Saturday morning at 7AM???

Angela

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Date: Mon, 18 May 1998 21:21:57 -0500
From: Bob Margolis <[e-mail]>
Subject: (fractint) More pars for the course

Breakwater         { ; by Bob Margolis
  reset=1960 type=julzpower passes=1
  center-mag=+0.00000000000000110/-0.00000000000000082/4988354/1.3333
  params=-1.743336420184032/2.018923830321943e-014/2/0 float=y
  maxiter=1250 inside=bof61 distest=-5/5/768/768 biomorph=147
  symmetry=xyaxis viewwindows=1/1/yes/0/0
  colors=000<2>YEn<6>ivz<4>4JbS_jops<3>WGl<4>nLTrMPsQM<2>wcB<4>a0L<6>y2y<5\
  >S8t<2>eEm<3>Bhq<5>BQ3<3>a_4<2>VMOSHVPCaM7hR9e<2>fGXlJUpTPubK<7>2AP<7>l1\
  L<2>FTZ<4>wn5wbKvRZ<3>wNK<8>E8M<6>tGt<2>KR`<5>vx7<3>Dok<5>R15<7>qCm<2>oz\
  1<3>o0c<6>35w<6>hvS<3>sT7<2>lMOiJUfG_cDeeGd<6>zeT<7>RG_<2>dP_iS`nV`sZasY\
  U<2>rS5<4>B6I<7>n9E<3>gdw<2>Vup<2>gU`<3>wpH<2>zPrvDZq1F<5>eGX<3>t3r<3>Cv\
  h cyclerange=1/1
  }

Creepy-Crawlies    { ; by Bob Margolis
  reset=1960 type=fn*fn function=recip/cotan passes=1
  center-mag=-8.88178e-016/-2.66454e-015/0.1246377/1.3333 float=y
  maxiter=255 bailoutest=or inside=bof61 distest=-5/5/768/768
  biomorph=147 symmetry=xyaxis viewwindows=1/1/yes/0/0
  colors=000HZY<3>R15<7>qCm<2>oz1<3>o0c<6>35w<6>hvS<3>sT7<2>lMOiJUfG_cDeeG\
  d<6>zeT<7>RG_<2>dP_iS`nV`sZasYU<2>rS5<4>B6I<7>n9E<3>gdw<2>Vup<2>gU`<3>wp\
  H<2>zPrvDZq1F<5>eGX<3>t3r<3>CvhB4HM9YYEn<6>ivz<4>4JbS_jops<3>WGl<4>nLTrM\
  PsQM<2>wcB<4>a0L<6>y2y<5>S8t<2>eEm<3>Bhq<5>BQ3<3>a_4<2>VMOSHVPCaM7hR9e<2\
  >fGXlJUpTPubK<7>2AP<7>l1L<2>FTZ<4>wn5wbKvRZ<3>wNK<8>E8M<6>tGt<2>KR`<5>vx\
  7<3>DokFgd cyclerange=1/1
  }

African_Shield     { ; by Bob Margolis
  reset=1960 type=fn*z+z function=sin passes=1
  center-mag=4.44089e-016/-4.44089e-016/0.9469697/1.3333
  params=1/0/0.735/0 float=y maxiter=255 bailoutest=real inside=bof61
  invert=1/0/0 distest=-5/5/768/768 biomorph=147 symmetry=xyaxis
  viewwindows=1/1/yes/0/0
  colors=0004JbS_jops<3>WGl<2>fJ`000<4>000wcB000oOF<2>a0L<6>y2y<3>c6v000S8\
  t<2>eEm<3>Bhq<5>BQ3<3>a_4<2>VMOSHVPCaM7hR9e<2>fGXlJUpTPubK<7>2AP<7>l1L<2\
  >FTZ<4>wn5wbKvRZ<3>wNK<8>E8M<6>tGt<2>KR`<5>vx7<3>Dok<5>R15<7>qCm<2>oz1<3\
  >o0c<6>35w<6>hvS<3>sT7<2>lMOiJUfG_cDeeGd<6>zeT<7>RG_<2>dP_iS`nV`sZasYU<2\
  >rS5<4>B6I<7>n9E<3>gdw<2>Vup<2>gU`<3>wpH<2>zPrvDZq1F<5>eGX<3>t3r<3>CvhB4\
  HM9YYEn<6>ivz<3>DRg cyclerange=1/1
  }

Coat_of_Arms       { ; by Bob Margolis
  reset=1960 type=fn+fn function=sqr/cotan passes=1
  center-mag=+0.00000000000000000/+0.00000000000000000/0.3333333/1.3333
  params=1/0/0.35/0 float=y maxiter=255 bailoutest=real inside=bof61
  distest=-5/5/768/768 biomorph=147 symmetry=xyaxis
  viewwindows=1/1/yes/0/0
  colors=000<5>000wcB000oOF<2>a0L<6>y2y<3>c6v000S8t<2>eEm<3>Bhq<5>BQ3<3>a_\
  4<2>VMOSHVPCaM7hR9e<2>fGXlJUpTPubK<7>2AP<7>l1L<2>FTZ<4>wn5wbKvRZ<3>wNK<8\
  >E8M<6>tGt<2>KR`<5>vx7<3>Dok<5>R15<7>qCm<2>oz1<3>o0c<6>35w<6>hvS<3>sT7<2\
  >lMOiJUfG_cDeeGd<6>zeT<7>RG_<2>dP_iS`nV`sZasYU<2>rS5<4>B6I<7>n9E<3>gdw<2\
  >Vup<2>gU`<3>wpH<2>zPrvDZq1F<5>eGX<3>t3r<3>CvhB4HM9YYEn<6>ivz<4>4JbS_jop\
  s<3>WGl<2>fJ` cyclerange=1/1
  }

Where_Did_Van_Go?  { ; by Bob Margolis
  reset=1960 type=dynamic function=sqr passes=1
  center-mag=15/-20/0.05841121/1.7778
  params=50/0.08500000000000001/-0.25/2.75 float=y maxiter=255
  inside=bof61 biomorph=147 symmetry=xyaxis viewwindows=1/1/yes/0/0
  colors=000<2>YEn<6>ivz<4>4JbS_jops<3>WGl<4>nLTrMPsQM<2>wcB<4>a0L<6>y2y<5\
  >S8t<2>eEm<3>Bhq<5>BQ3<3>a_4<2>VMOSHVPCaM7hR9e<2>fGXlJUpTPubK<7>2AP<7>l1\
  L<2>FTZ<4>wn5wbKvRZ<3>wNK<8>E8M<6>tGt<2>KR`<5>vx7<3>Dok<5>R15<7>qCm<2>oz\
  1<3>o0c<6>35w<6>hvS<3>sT7<2>lMOiJUfG_cDeeGd<6>zeT<7>RG_<2>dP_iS`nV`sZasY\
  U<2>rS5<4>B6I<7>n9E<3>gdw<2>Vup<2>gU`<3>wpH<2>zPrvDZq1F<5>eGX<3>t3r<3>Cv\
  h cyclerange=1/1
  }

Meteor_Shower      { ; by Bob Margolis
  reset=1960 type=magnet2m passes=1
  center-mag=+1.67014112577989200/-0.38767921889175760/1.819338/1.3333/90
  params=1/2 float=y maxiter=255 inside=bof61 distest=-5/5/768/768
  biomorph=147 symmetry=xyaxis periodicity=0 viewwindows=1/1/yes/0/0
  colors=000anv<3>4JbS_jops<3>WGl<4>nLTrMPsQM<2>wcB<4>a0L<6>y2y<5>S8t<2>eE\
  m<3>Bhq<5>BQ3<3>a_4<2>VMOSHVPCaM7hR9e<2>fGXlJUpTPubK<7>2AP<7>l1L<2>FTZ<4\
  >wn5wbKvRZ<3>wNK<8>E8M<6>tGt<2>KR`<5>vx7<3>Dok<5>R15<7>qCm<2>oz1<3>o0c<6\
  >35w<6>hvS<3>sT7<2>lMOiJUfG_cDeeGd<6>zeT<7>RG_<2>dP_iS`nV`sZasYU<2>rS5<4\
  >B6I<7>n9E<3>gdw<2>Vup<2>gU`<3>wpH<2>zPrvDZq1F<5>eGX<3>t3r<3>CvhB4HM9YYE\
  n<6>ivz cyclerange=1/1
  }

A_Qwyrntezinsl     { ; by Bob Margolis
  reset=1960 type=julzpower passes=t
  center-mag=1.17961e-016/-0.00404706/38.75969
  params=-0.5099292698823528/-0.6322702595294114/3/0 float=y
  maxiter=255 bailoutest=or fillcolor=0 inside=epsiloncross
  distest=-5/5/768/768 biomorph=147 finattract=y periodicity=0
  viewwindows=1/1/yes/0/0
  colors=000`CpeEm<3>Bhq<5>BQ3<3>a_4<2>VMOSHVPCaM7hR9e<2>fGXlJUpTPubK<7>2A\
  P<7>l1L<2>FTZ<4>wn5wbKvRZ<3>wNK<8>E8M<6>tGt<2>KR`<5>vx7<3>Dok<5>R15<7>qC\
  m<2>oz1<3>o0c<6>35w<6>hvS<3>sT7<2>lMOiJUfG_cDeeGd<6>zeT<7>RG_<2>dP_iS`nV\
  `sZasYU<2>rS5<4>B6I<7>n9E<3>gdw<2>Vup<2>gU`<3>wpH<2>zPrvDZq1F<5>eGX<3>t3\
  r<3>CvhB4HM9YYEn<6>ivz<4>4JbS_jops<3>WGl<4>nLTrMPsQM<2>wcB<4>a0L<6>y2y<5\
  >S8tWAr orbitdelay=4 cyclerange=1/1
  }

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Date: Mon, 18 May 1998 21:23:07 -0500
From: Bob Margolis <[e-mail]>
Subject: (fractint) Still more pars for the course

Popcornjul_01      { ; (c) by Bob Margolis, 1998
  reset=1960 type=popcornjul passes=1
  center-mag=+0.00000000000000000/+0.00000000000000000/0.4789272/1.3333
  params=0.070812 float=y maxiter=255 inside=bof61 outside=summ
  symmetry=xyaxis periodicity=0 viewwindows=1/1/yes/0/0
  colors=000<2>000waVzeT<7>RG_<2>dP_iS`nV`sZasYU<2>rS5<4>B6I<7>n9E<3>gdw<2\
  >Vup<2>gU`<3>wpH<2>zPrvDZq1F<5>eGX<3>t3r<3>CvhB4HM9YYEn<6>ivz<4>4JbS_jop\
  s<3>WGl<4>nLTrMPsQM<2>wcB<4>a0L<6>y2y<5>S8t<2>eEm<3>Bhq<5>BQ3<3>a_4<2>VM\
  OSHVPCaM7hR9e<2>fGXlJUpTPubK<7>2AP<7>l1L<2>FTZ<4>wn5wbKvRZ<3>wNK<8>E8M<6\
  >tGt<2>KR`<5>vx7<3>Dok<5>R15<7>qCm<2>oz1<3>o0c<6>35w<6>hvS<3>sT7<2>lMOiJ\
  UfG_cDeeGdhKbkNa cyclerange=1/1
  }

Popcornjul_02      { ; (c) by Bob Margolis, 1998
  reset=1960 type=popcornjul passes=1
  center-mag=+0.00000000000000000/-0.00000000000000044/0.4975063/1.3333
  params=0.008175 float=y maxiter=255 inside=bof61 outside=summ
  symmetry=xyaxis periodicity=0 viewwindows=1/1/yes/0/0
  colors=000<153>zzCvfrvfrvfrxpftdvtdvtdvzpdpppPzzzPzzzPvfvvfvvfvzrfvfxvfx\
  vfxnnznznznnxhvxhvxhvxfxxfxxfxsssazzzazzzaxhxxhxxhxzhxzhxzhxuuuzhzzhzzhz\
  zjzzjzzjznzzznz40860860A62A62C82C84CA4CA6CC6CC8CC6EC8EE6EEAEG8GGCGI8IIEG\
  KAIKGGMCKGGOOCKGGQGIQIIQQEMIISQEOIKSKKSSGOKKUMKUMMUUIQOMUOMXXKQQMXZKQQOX\
  SOXZMSSOZ`MSUOZ`OSUO`bOSUObbQUXOb cyclerange=1/1
  }

Popcornjul_03      { ; (c) by Bob Margolis, 1998
  reset=1960 type=popcornjul passes=1
  center-mag=+0.00000000000000000/+0.00000000000000000/0.4444444/1.3333
  params=-0.05175 float=y maxiter=255 bailout=100 inside=bof61
  outside=summ symmetry=xyaxis periodicity=0 viewwindows=1/1/yes/0/0
  colors=000<15>lzZkzXizU<12>vzs000<15>z`SzZQzXN<12>ztr000<15>SzSQzQNzN<12\
  >rzr000<15>fJzeGzcCz<12>vsz000<15>LzvIzu<13>wzy000<15>qzLpzI<13>xzt000<1\
  5>7Vz3Sz<13>ruz000<15>znzzmz<13>zxz cyclerange=1/1
  }

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Date: Mon, 18 May 1998 22:32:20 -0400
From: "Paul Derbyshire" <[e-mail]>
Subject: Re: (fractint) Calc method

>> Tesseract?
>> (I guess you meant tesseral... Microsoft's spell checker likes that one even
>> less that 'wizzled'... "no suggestions" this time...)

>That's strange, because 'tesseract' is a real word.  It's a
>four-dimensional cube.  (It would be cool if fractint had a rendering
>method based on that....:)

Yeah... and tesseral means of or pertaining to rectangles, but it doesn't like
it either.

>Speaking of Microsoft's spell checker, try this out:  Go into Word, type
>'zzzz' and spell-check it and see what's really on Bill Gates' mind.

Seen that one...

>  civil rights are not special rights

What the heck does this mean exactly?


- --
   .*.  "Clouds are not spheres, mountains are not cones, coastlines are not
- -()  <  circles, and bark is not smooth, nor does lightning travel in a
   `*'  straight line."    -------------------------------------------------
        -- B. Mandelbrot  |http://www3.sympatico.ca/bob.beland/indexn2f.html
_____________________ ____|________     Paul Derbyshire     [e-mail]
Programmer & Humanist|ICQ: 10423848|





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Date: Mon, 18 May 98 19:33:55 PDT
From: Colleen Johnson <[e-mail]>
Subject: Re: (fractint)newbe needs video mode

Hi Christian

Thanks for the suggestion re running Fractint from DOS to try to get bett=
er resolution.  Unfortunately, I've tried it both ways, with no luck.  =
Guess I'll just have to keep working on it.

Colleen


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Date: Mon, 18 May 1998 19:55:57 -0700
From: kathy roth <[e-mail]>
Subject: (fractint) Christmas_giftwrap pars

- --------------D229FE6D51C52FE89509FA47
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit

Les St.Clair wrote:

>  I noticed that the aspect ratio has changed to 0.6:1
> >>viewwindows=1/0.6/yes/0/0
>
> Was this intentional?
> (it is also the way in which all of your most recent postings have been
> done)
>

Totally unintentional-Thanks for letting me know the postings
were that way.  I fixed it with "F4".

- --------------D229FE6D51C52FE89509FA47
Content-Type: text/html; charset=us-ascii
Content-Transfer-Encoding: 7bit

<HTML>
Les St.Clair wrote:
<BLOCKQUOTE TYPE=CITE>
<PRE> I noticed that the aspect ratio has changed to 0.6:1
>>viewwindows=1/0.6/yes/0/0

Was this intentional?
(it is also the way in which all of your most recent postings have been
done)</PRE>
</BLOCKQUOTE>

<BR>Totally unintentional-Thanks for letting me know the postings
<BR>were that way.  I fixed it with "F4".</HTML>

- --------------D229FE6D51C52FE89509FA47--


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Date: Mon, 18 May 1998 22:03:25 -0500 (CDT)
From: [e-mail] (Paul and/or Joyce Carlson)
Subject: Re: (fractint) Re: Lorentz Bubbles

Oliver,

>I have just tried out your bubble rendering of my Lorentz formula.
>Very cute indeed.

Actually, those were done with what I've been calling my
"FlexBall" rendering method.  Here is my bubble formula
and a par which is a zoom into a Julia set of z=z*z+c.
I haven't tried bubble rendering with your Lorentz
equation - I suspect that the discontinuities would ruin
the images.

I should have called this image "Seahores Riding on a
Spiral Rollercoaster" but that's a bit too long.

Paul Carlson

frm:Bubbles_Julia_Mset {; Copyright (c) Paul W. Carlson, 1998
    ; Parameters:
    ;
    ;   p1       = if both real(p1) and imag(p1) are zero
    ;              do Mset, otherwise do Julia set.
    ;   real(p2) = maximum contour of minimum sqrt(|w|)
    ;              (this is the outside edge of the bubbles).
    ;   imag(p2) = value of |w| at bailout.
    ;   real(p3) = number of color ranges.
    ;   imag(p3) = number of colors in each color range.
    ;
    IF (real(p1) == 0 && imag(p1) == 0)
    w = 0
    c = pixel
    ELSE
    w = pixel
    c = p1
    ENDIF
    z = bailout = iter = range_num = 0
    max_w = imag(p2)
    num_ranges = real(p3)
    colors_in_range = imag(p3)
    max_min_w = real(p2)
    min_w = 1.0e20
    factor = (colors_in_range - 1) / max_min_w
    :
    w = w * w + c ; Classic Mandelbrot equation
    ;
    temp = sqrt(|w|)
    IF (temp < min_w)
       min_w = temp
       save_range = range_num
    ENDIF
    IF (|w| > max_w)
    IF (min_w < max_min_w)
        z = factor * min_w + save_range * colors_in_range + 1
    ELSE
        z = 0
    ENDIF
    bailout = 1
    ENDIF
    range_num = range_num + 1
    IF (range_num == num_ranges)
        range_num = 0
    ENDIF
    iter = iter + 1
    z = z - iter
    bailout == 0  && |w| < max_w
}

seahorse_spiral    { ; Copyright(c) Paul W. Carlson, 1998
               ; t=  0:08:46.08, 1024x768, 60MHz Pentium
  reset=1960 type=formula formulafile=bubs.frm
  formulaname=bubbles_julia_mset passes=t
  center-mag=0.179909/0.294109/31.00469/1/-65
  params=-0.746410388/0.184309007/0.188/16/2/125
  float=y maxiter=10000 outside=summ
  colors=000zVz<123>G0GVzz<123>0GG000<3>000
  }



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

End of fractint-digest V1 #210
******************************