HELP! * GREY=local LOCAL HTML version of Foils prepared January 8 1996

Foil 11 VRML - Language characteristics

From Overview of VRML SC95 Tutorial on Web Technologies -- December 4,95. by NPAC Team * See also color IMAGE
Basics:
  • VRML defines a set of objects that can describe 3D graphics - nodes.
  • Nodes are arranged in hierarchical structures - scene graphs
  • Scene graphs define the ordering for the nodes - the state of the scene graph depends on the earlier and affects later nodes.
  • Separators can limit the effects allowing parts of the scene to be isolated from other parts.
Nodes are characterized by the following information:
  • Kind of object: cube, sphere, texture map, transformation, etc.
  • The parameters that describe the object,
  • The optional name of the object,
  • For some types of nodes - group nodes - the child nodes can be specified

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