Bryan Heit wrote:

> for me.  What is not working is defining the pigment once (i.e. placing 
> the image_map over the entirety of the height_map), and then defining 
> the finish{} and normal{} statements within the texture_map.

I don't think textures work like that. Do something along the lines of

#declare P = pigment { image_map { ... } ...  }

and use pigment {P} in each individual texture map entry.

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