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About Projection Maps

Sometimes you’ll want to map one image across two or more surfaces. For that you can use a projection map. The default projection type is planar, which acts like a slide projector pointed at a surface. Other projection types include spherical and cylindrical, which project an image from a shape that surrounds the surface (Figure 15.71).

Figure 15.71. A checkered texture is mapped to spheres using three different projection types: (left to right) cylindrical, planar, and spherical.



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