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From: Nieminen Juha
Subject: Re: Distribution of the fractal patch (and specs)
Date: 2 Nov 1999 04:18:04
Message: <381eac4c@news.povray.org>
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Peter Popov <pet### [at] usa net> wrote:
: Two little things. How about just "exterior" and "interior"?
I don't like the idea of confusing the already existing "interior" keyword
with the fractal interior coloring, which have nothing to do with it.
Also I think it's good to remark that the keywords only affect the fractal
type patterns. Perhaps the ending "_type" could be removed, but somehow I
don't like that either. I like to be precise even if the keyword has to be
longer.
: The
: other, not so little thing, how about a "power" pattern? It should
: take a <u,v> (more like <Re, Im>) vector as the power Z should be
: raised on. I think there was such a fractal in FractInt.
Perfectly possible if you tell me how Z^C, where Z and C are complex
numbers, is calculated.
If C were a real number then I know how to do it (although it's a little
slow).
: Maybe I am asking too much. You can't make POV FractInt. But when it
: gets to fractals, I become uncontrollable *drool* *drool* (at least I
I appreciate your suggestions a lot.
--
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/
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From: Nieminen Juha
Subject: Re: Distribution of the fractal patch (and specs)
Date: 2 Nov 1999 05:21:28
Message: <381ebb28@news.povray.org>
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Nathan Kopp <Nat### [at] kopp com> wrote:
: Got source? Send it here and I'll put it in some future version of UVPov.
: I guess I need pattern.c, parstxtr.c, some header files... anything else?
Thanks to both of you. I can send a diff of the original 3.1g source and
the patch. Is that enough?
--
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/
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Warp,
it just occurred to me that Mark posted a 3D Mandelbrot image a month
ago. I went back to that post and what do you know, he posted the C
source in p.b.s-f.! I suggest you check it out as Mark's hack at 3D
M-Sets seems better than the one I've seen before (some DOS program so
long ago).
The post in p.b.i. is:
From: "Mark Wagner" <mar### [at] gte net>
Newsgroups: povray.binaries.images
Subject: 3D Mandelbrot Set
Date: Fri, 1 Oct 1999 01:25:33 -0400
Message-ID: <37f444b0@news.povray.org>
And the one in p.b.s-f. is:
From: "Mark Wagner" <mar### [at] gte net>
Newsgroups: povray.binaries.scene-files
Subject: 3D Mandelbrot Set
Date: Sat, 2 Oct 1999 01:20:48 -0400
Message-ID: <37f5952a@news.povray.org>
Hope this helps.
Peter Popov
ICQ: 15002700
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From: Nathan Kopp
Subject: Re: Distribution of the fractal patch (and specs)
Date: 2 Nov 1999 23:05:15
Message: <381fb47b@news.povray.org>
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Actually, I'd appreciate the entire file (as an attachment). Thanks.
-Nathan
Nieminen Juha <war### [at] punarastas cs tut fi> wrote in message
news:381ebb28@news.povray.org...
> Nathan Kopp <Nat### [at] kopp com> wrote:
> : Got source? Send it here and I'll put it in some future version of
UVPov.
> : I guess I need pattern.c, parstxtr.c, some header files... anything
else?
>
> Thanks to both of you. I can send a diff of the original 3.1g source and
> the patch. Is that enough?
>
> --
> main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
> ):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/
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From: Nieminen Juha
Subject: Re: Distribution of the fractal patch (and specs)
Date: 3 Nov 1999 04:12:45
Message: <381ffc8d@news.povray.org>
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Nathan Kopp <Nat### [at] kopp com> wrote:
: Actually, I'd appreciate the entire file (as an attachment). Thanks.
It's absolutely ok to me. I'm just worried that you will miss some change
if you just compare the files by eye...
--
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/
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> Yes, I was thinking about adding different (predefined) formulas for
>coloring the interior and exterior of the fractals.
> I thought also about letting the user to specify coloring methods or even
>pixel color calculations, but that would be almost like making a
programmable
>shader, I think.
> Adding those pattern types was quite easy just by looking how the mandel
>type was done. I have not studied the povray source code so much that I
>could add a completely new type of block with its own syntax.
>
>--
Well, I think the FRACTINT source is free. Why not ask the authors for
permission to simply use the FRACTINT code to parse user formulae? I think
there wouldn't be any need to create that much addition to the POVRAY-code,
because you could create some statement like:
#import "masta_blasta.frm"
and simply let the patched POV read the .frm as FRACTINT does! Then add
identifiers for the formulae in the .frm-file. The patch could have new
class definitions for formulae, and such there wouldn't be a need for
including the formula generation inside the scene language itself.
Good idea, huh? Isn't it?
Then again, the best would of course to have it *in* the scene language. But
the superpatch has some of this functionality, hasn't it? I mean, with the
isosurface primitive (? :) you specify the implicit equation for the
surface.
I got a little carried away here, because I just love the thought of full
control over fratals in pov! Man! That would be like christmas, easter,
birthday, wedding, and fune... no. But the first ones, all at once! :)
Simen.
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From: Simen Kvaal
Subject: Re: Distribution of the fractal patch (and specs)
Date: 3 Nov 1999 08:10:00
Message: <38203428@news.povray.org>
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>Fractal-valued isosurfaces. Big, smooth, snowdrifty julia-set
>landscapes. Yum.
AARGH! MY HEAD IS EXPLODING! =8O.
*drool* Fractals and POVRAY... yup.
>
>Of course, that means it'll never get released. :)
WHAT?!
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On 3 Nov 1999 04:12:45 -0500, Nieminen Juha wrote:
>Nathan Kopp <Nat### [at] kopp com> wrote:
>: Actually, I'd appreciate the entire file (as an attachment). Thanks.
>
> It's absolutely ok to me. I'm just worried that you will miss some change
>if you just compare the files by eye...
I actually prefer the entire file as well, but I can handle it in patch form.
You see, I've automated the process of merging entire directory trees into my
existing source using diff3, and my scripts want whole source files. Getting
it in patch form requires me to apply the patches first, then run the scripts.
--
These are my opinions. I do NOT speak for the POV-Team.
The superpatch: http://www2.fwi.com/~parkerr/superpatch/
My other stuff: http://www2.fwi.com/~parkerr/traces.html
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On Wed, 3 Nov 1999 14:09:58 +0100, Simen Kvaal wrote:
>>Of course, that means it'll never get released. :)
>WHAT?!
Relax, it was a joke. See, I've been promising a 3.1g version of the
superpatch for months now...
--
These are my opinions. I do NOT speak for the POV-Team.
The superpatch: http://www2.fwi.com/~parkerr/superpatch/
My other stuff: http://www2.fwi.com/~parkerr/traces.html
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From: Nathan Kopp
Subject: Re: Distribution of the fractal patch (and specs)
Date: 4 Nov 1999 00:12:17
Message: <382115b1@news.povray.org>
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Ron Parker <ron### [at] povray org> wrote...
>
> I actually prefer the entire file as well, but I can handle it in patch
form.
> You see, I've automated the process of merging entire directory trees into
my
> existing source using diff3, and my scripts want whole source files.
Getting
> it in patch form requires me to apply the patches first, then run the
scripts.
>
I use a nice diff program (I use CSDiff) and make changes by hand. Have you
found success with diff3? It kind of scares me to let something make
changes to my source for me, especially after I've hacked up POV as much as
I have. ;-)
-Nathan
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