Figure 16.2 A line plot with the polylines colored using colors from a Color node.
16fig02.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
Group {
    children [
    # Axes
        Shape {
            appearance Appearance {
                material Material {
                    emissiveColor 1.0 1.0 1.0
                    diffuseColor  1.0 1.0 1.0
                }
            }
            geometry IndexedLineSet {
                coord Coordinate {
                    point [
                        0.0 0.0 0.0, 10.0 0.0 0.0, 0.0 8.0 0.0
                    ]
                }
                coordIndex [ 0, 1, -1,  0, 2, -1 ]
            }
        },
    # Line plot with different color lines
        Shape {
            # no appearance, use emissive coloring
            geometry IndexedLineSet {
                coord Coordinate {
                    point [
                    # Green line
                        1.0 1.0 0.0,   2.0 4.0 0.0,
                        3.0 5.0 0.0,   4.0 4.0 0.0,
                        5.0 6.0 0.0,   6.0 7.0 0.0,
                        7.0 5.0 0.0,   8.0 6.0 0.0,
                        9.0 4.0 0.0,  10.0 3.0 0.0,
                    # Yellow line
                        1.0 3.0 0.0,   2.0 2.0 0.0,
                        3.0 2.0 0.0,   4.0 1.0 0.0,
                        5.0 2.0 0.0,   6.0 4.0 0.0,
                        7.0 3.0 0.0,   8.0 5.0 0.0,
                        9.0 5.0 0.0,  10.0 6.0 0.0,
                    ]
                }
                coordIndex [
                # Green line
                    0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1,
                # Yellow line
                    10, 11, 12, 13, 14, 15, 16, 17, 18, 19, -1
                ]
                colorPerVertex FALSE
                color Color {
                    color [ 0.0 1.0 0.0,   1.0 1.0 0.0 ]
                }
                colorIndex [ 0, 1 ]
            }
        }
    ]
}