Basic HTML version of Foils prepared March 4 1998

Foil 169 Fields in a LOD Node

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
Example and Definition of Levelof Detial LOD Node for Foil 169(Example and Definition)
level field contains Shape nodes and other grouping nodes. Here Inline node is a good tool to use. The first child provides the highest-detail version of the shape, and subsequent children provide lower-detail version, and so on.
center field specifies the 3-D coordinate in the coordinate for the shape built within the LOD node.
range field specifies a list of viewer-to-the center of shape distances at which the browser should switch from one level of detail to another.
  • If there are n versions of detailed representation of a shape in the level field, there must be (n-1) range values. Range values must be positive and in increasing order.

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