Fernando Gonzalez del Cueto wrote:
> 
> Hi Christoph,
> 
> Actually the lighting of the bitmap was quite uniform. I manipulated the
> imagemap to make it a bumpmap, highlighting only the cracks and fissures of
> the stone.

Uniform lighting does not help in this scene, the caustics result in very
non-uniform illumination.  I think it much looks as if the ground is a
photo of a rough cracked concrete ground and not the material itself.

Christoph

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