Kyle nous apporta ses lumieres en ce 27/10/2006 14:17:
> On Fri, 27 Oct 2006 09:20:57 +0200, TB Software Support
> <NOS### [at] tb-softwarecom> 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

And would probably take around the same amount of time to render as an isosurface.

-- 
Alain
-------------------------------------------------
SHOPPING MATH
A man will pay $20 for a $10 item he needs.
A woman will pay $10 for a $20 item that she doesn't need.

Post a reply to this message