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Figure 15.15
A bar twisted using Y-axis, cross-section rotation at each spine coordinate. |
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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 { diffuseColor 1.0 0.5 0.0 } } geometry Extrusion { creaseAngle 0.785 crossSection [ # Square -1.0 1.0, 1.0 1.0, 1.0 -1.0, -1.0 -1.0, -1.0 1.0 ] spine [ # Straight-line 0.0 0.0 0.0, 0.0 0.5 0.0, 0.0 1.0 0.0, 0.0 1.5 0.0, 0.0 2.0 0.0, 0.0 2.5 0.0, 0.0 3.0 0.0, 0.0 3.5 0.0, 0.0 4.0 0.0 ] orientation [ 0.0 1.0 0.0 0.0, 0.0 1.0 0.0 0.175, 0.0 1.0 0.0 0.349, 0.0 1.0 0.0 0.524, 0.0 1.0 0.0 0.698, 0.0 1.0 0.0 0.873, 0.0 1.0 0.0 1.047, 0.0 1.0 0.0 1.222, 0.0 1.0 0.0 1.396, ] } }