Yann wrote:
> All right...
> 
> more specificaly, I would like to encode the flux of a certain vector field
> V by a color along a surface. Are you telling me that there is no simple way
> to do that with POVRAY?

If you have the vector field defined as a function in POV (as a set of 
df3 files for example) it is fairly easy to calculate other properties 
of that field.  You can find some examples for this in the
sample scene 'incdemo/func_gradient.pov'.

Christoph

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