Elijah Sarver wrote:

> I too have been messing with custom 'shaders'..
>
> Is there any way to map specularity etc to a function? All of my
> attempts to do so so far have been met with error.

Hmm, hope this doesn't get too far off topic, but I believe there was a debate
a few months back on povray.general about the concept of finish maps. I don't
know what the technical limitations are on actually programming them into POV,
but it seems to make logical sense to have pigment/normal/finish all accept
the same patterns - this is especially useful for "cutaway," that is,
partially-transparent patterns. The conventional wisdom is to simply make a
texture map with various materials, but that is the hard way IMO.

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