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Thanks
Nekar Xenos
Chris Huff <chr### [at] mac com> wrote in message
news:chrishuff-21A2F8.12344003032001@news.povray.org...
> In article <3a9e3bf4@news.povray.org>, "Nekar Xenos"
> <vir### [at] icon co za> wrote:
>
> > > Actually, in MegaPOV, you could do a macro that accomplishes
> > > this...just
> > > use the eval_pattern() function with the image_pattern and generate a
> > > mesh.
> >
> > Never done any macro's before. I'll see what I can do.
>
> I've done some macros for this, they take a pigment and generate a
> "height field" from it (to use an image, you would use an image_map).
> I've already got non-smooth square (like the height_field primitive that
> is built-in), and two kinds of spherical height fields: one that uses
> spherical coordinates, like a globe there is more resolution at the
> poles, and the other subdivides an octahedron, giving a more even
> distribution but less control of resolution (I may try a tetrahedron as
> well...). I'll post some images soon and upload the include file to my
> web site when it is closer to finished.
>
> --
> Christopher James Huff
> Personal: chr### [at] mac com, http://homepage.mac.com/chrishuff/
> TAG: chr### [at] tag povray org, http://tag.povray.org/
>
> <><
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