From VRML 2 Basic Concepts and Definitions CPS616 -- Information Track of CPS -- Spring Semester 97. byZeynep Ozdemir(Geoffrey C. Fox)
Grouping Nodes
Collision
Tells the browser whether or not given pieces of geometry can be navigated through.
Transform
Groups nodes together under a single coordinate system, or "frame of reference"; incorporates the fields of the VRML 1.0 Separator and Transform nodes.
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