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Hi all
I've made some quaternion animations with POV: http://www.hypercomplex.org
using the built-in formula q^2+c but I'd like to know if anyone has been
able to change the source code in order to implement other formulas like
q^3+c and so on. I've found the website of the programmer who has
implemented quaternions in POV and have read his tutorial here:
http://skal.planet-d.net/quat/Fract_It.html.en but I wonder if any great
coder could add a feature that would allow POV users to type in the formula
of the quaternion in POV files and have it rendered, some kind of custom
quaternion formula. It's too frustrating to change the source code and
compile it everytime you just want to try out a new formula. If POV users
could just type the Julia_Fractal command then their custom formula on the
same line it would be an excellent feature that could create many beautiful
3D shapes.
If anyone is interested in that project I have tons of great quaternion
formulas that can be tested.
Cheers
Ragnarok
http://www.hypercomplex.org
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In article <39c275cc@news.povray.org>, "Ragnarok"
<rag### [at] hushmail com> wrote:
> If POV users could just type the Julia_Fractal command then their
> custom formula on the same line it would be an excellent feature that
> could create many beautiful 3D shapes.
Sounds like you want a cross between an isosurface function and the
julia fractal object...I have no idea how possible this would be, but it
certainly sounds interesting.
--
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
<><
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I think that the main problem is that the isosurface function doesn't
support recursion (or does it? Even if it does, I suppose it's terribly
slow for things like fractal patterns).
--
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):_;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/
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In article <39c29be8@news.povray.org>, Warp <war### [at] tagpovrayorg>
wrote:
> I think that the main problem is that the isosurface function doesn't
> support recursion (or does it? Even if it does, I suppose it's terribly
> slow for things like fractal patterns).
The isosurface function doesn't support recursion, but I don't know of
any reason it would be impossible to make it support it. As for speed,
it is fast enough to be useful for isosurfaces...and it would be the
only way to allow custom functions to be used in julia_fractals without
modifying the program.
--
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
<><
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