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Blender 3D 2.49 Architecture, Buildings, and Scenery by Allan Brito

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Normal map

This is a special and useful type of texture that can change the normals of surfaces. If we have a floor and a texture of ceramic tiles, with this kind of map, the surface can be represented with all the little details of that tiling. It's almost as if we model the tiles. But everything is created just with a normal map:

Normal map

To use this kind of texture, we turn on the Nor button in the Map To menu. When this button is selected, we can set up the Nor slider to determine the intensity of the normal displacement. We see a comparison between a surface without and with the Nor option enabled in the next image:

It works based on the pixel color ...

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