Basic HTML version of Foils prepared March 4 1998

Foil 6 Overview of VRML1 Language Details - I

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
1 VRML1 defines scene graphs which are defined hierarchically as a set of nodes
2 Nodes fall into one of 36 types arranged into broad classes -- shape, geometry/material, transformation, camera, lighting, group and WWWInline
3 The state of a graph (color, position, rotation etc.) are "advanced" (e.g. transformation matrices are multiplied) when each node is encountered
  • separators are used to limit the effect of a given node to a block defined by { }
  • Thus the order in which nodes appear in file is very significant
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