"Bald Eagle" <cre### [at] netscapenet> wrote:

> The other issue that was brought up (somewhere, by someone) is trying to use
> sRGB values in a color map - because the color_map will interpolate linearly,
> whereas the sRGB color space is nonlinear.
>
> I have no idea if we have control over color_map interpolation - a user_function
> would be useful....  I have a real problem trying to search and find these
> things....

New in version 3.8 non-linear pigment map interpolation support has been added.
http://wiki.povray.org/content/Reference:Pigment_Map

So, I guess all of the components exist to write some demo scenes to illustrate
how gamma and rgb/srgb work, and how to best use them in scenes with things like
pigment maps...

It seems to me that we have a lot of things like maps and pigment patterns, and
a lot of things like splines and functions, and there should be some way to
cross reference them with each other to take advantage of existing code.

At some point I'll have to start trying to map this out somehow.

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