[Bf-committers] Normal perturbation paper

Roger Wickes rogerwickes at yahoo.com
Wed Jun 16 19:12:27 CEST 2010

speaking of normals, another CG package has introduced a Vector Normal image type. The image is formed by baking a sculpted, high-res model (which started 
as a grid) to a 2D image. Each RGB value for a pixel is a normalized point in space and is used to displace the corresponding vertex in 3D space. This image is applied as a texture/modifier to a flat mesh. It "looks" like a normal image, depending on how it was sculpted, but it can contain bends and curves, not just a 1-axis displacement. Sliders allow you to control how big you want the ... extrusion... to be. 

The idea is that you can bake complicated stuff like ears, horns, plants, etc and get actual geometry out of a 2D image. 



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