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On Fri, 27 Oct 2006 09:20:57 +0200, TB Software Support
<NOS### [at] tb-software com> wrote:
>
>Displacement mapping (or bump mapping) is already supported in
>POV-Ray.
>
Bump mapping in POV-Ray affects the normal of the object and does not
actually displace the surface of the object. For example, if you use
a strong bump map on a sphere, you will notice that the edges of the
sphere are still perfectly round, as is the shadow cast by the sphere.
Displacement mapping, in the context that I am referring to, would
actually perturb the surface sphere. This surface perturbation would
affect the shadow of the sphere also. The effect would be similar to
using an isosurface in POV-Ray.
Kyle
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