Basic HTML version of Foils prepared March 4 1998

Foil 56 Geometry Nodes Polygonal Description of the World

From VRML 2 Basic Concepts and Definitions CPS616 -- Information Track of CPS -- Spring Semester 98. by Zeynep Ozdemir, Rob Baker, Meryem Ispirli, Geoffrey C. Fox
VRML2.0 Geometry Nodes
VRML 2.0 has new geometry nodes to enable more compact descriptions of complex virtual worlds. These nodes and use of the DEF/USE notation are crucial to making interesting worlds.
  • Billboard : align objects to an axis
  • ElevationGrid : create terrains
  • Extrusion : create objects by simply describing their outline
  • Text : now internationalized to enable multi-language support

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