In article <36e80c83.0@news.povray.org> , "Andrew Cocker" 
<and### [at] acockerfreeservecouk> wrote:

> Anyway, what I'd really, really like to see is this:
> Instead of a pigment and color_map only affecting the surface of the object,
I'd like to
> see the possibility that the texture could physically *eat away* the object
wherever a
> specific keyword is used as a color_map entry ie erode. As I understand it,
procedural
> textures exist in 3d space anyway, but are only seen where the surface of the
object is,
> so perhaps this feature could be implemented easily?

Did you try a color map and transparency? I am not completely sure, but it
should work...

    Thorsten

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