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Chapter 18: Controlling Texture Mapping

../ch18/18fig23b.gif
Figure 18.23b

A small grillwork texture image repeated across a square face using texture-coordinate scaling.

18fig23b.wrl
Click on the image to view the VRML scene.

#VRML V2.0 utf8
# The VRML 2.0 Sourcebook
# Copyright (c) 1997
# Andrea L. Ames, David R. Nadeau, and John L. Moreland
Shape {
    appearance Appearance {
        material Material { }
        texture ImageTexture {
            url "grill.png"
        }
        textureTransform TextureTransform {
            scale 32.0 8.0
            center 0.5 0.5
        }
    }
    geometry IndexedFaceSet {
        solid FALSE
        coord Coordinate {
            point [
                -4.0 -1.0 0.1,   4.0 -1.0 0.1,
                 4.0  1.0 0.1,  -4.0  1.0 0.1,
            ]
        }
        coordIndex [ 0, 1, 2, 3 ]
        texCoord TextureCoordinate {
            point [
                0.0 0.0,  1.0 0.0,
                1.0 1.0,  0.0 1.0,
            ]
        }
        texCoordIndex [ 0, 1, 2, 3 ]
    }
}