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In article <eric.medlin-7A9A0A.15165719032004@news.povray.org>,
Eric Medlin <eri### [at] ipaper com> wrote:
> I have the following texture attached to a model:
> texture{
> normal{ uv_mapping image_pattern{ jpeg "mask.jpg" interpolate 2}
> normal_map{
> [0.5 bump_map{ jpeg "bump.jpg" interpolate 2} scale 0.02]
> [0.5 bozo scale 0.02 bump_size 0.5]
> }
> }
> }
>
> Now the normals maps are scaled to 0.02, if I change the uv_mapping
> image_pattern... to just image_pattern the normals maps are no longer
> the same scale. I have to change the normal maps scales to 0.2 to make
> it match the uv mapped image pattern. How is uv_mapping effecting the
> scale?
OK, I think I figured out what it is doing. You cannot apply uv_mapping
to image_pattern, so it is applying it to the normals causing it to
scale. If this is correct, then how can I use a uv_mapped mask to
decided where each normal map should be applied?
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