Here's the Matlab code based on your POV code.

I changed a few of the variable names, but it should be understandable.

Here's the basis for the coloring:

Red = change in x coord
Green = change in y coord
Blue = magnitude of the curvature (estimated)

I hope I made myself clear.

Fernando


news:40570011$1@news.povray.org...
> > I hope you like it.
>
> I do!
>
> can you explain further, how you colored it? How bright is a
> pixel and what color does it have depending on what values?
>
> Thanks,
>     Manuel
>
>

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