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Chapter 8. Texture Preparation > Mapping Methods

Mapping Methods

There are four main ways to apply UV mapping data to a polygon object: planar mapping, cylindrical mapping, spherical mapping, and automatic mapping. All of these involve projecting the data directly onto the objects surface.

Planar mapping (Edit Polygons > Texture > Planar Mapping) projects UVs through a plane along one direction only onto a mesh. This method is ideal for mapping flat objects.

As you can see in Figure 8.1, the front of the cube is mapped fine, but because we are using a planar map the texture is stretched along the sides. To fix this you would need to apply additional mapping to the other five sides.

Image

FIGURE 8.1 Planar mapping

Cylindrical mapping (Edit Polygons > Texture > Cylindrical Mapping), as the name implies, projects the UVs inward through a cylinder onto the selected object (Figure 8.2). This will work best on the outer polygons but, as with the planar mapping, you will need to add further mapping to correct the top and bottom caps.


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