Basic HTML version of Foils prepared April 6 1997

Foil 141 IndexedFaceSet Node - I

From VRML 2 Basic Concepts and Definitions CPS616 -- Information Track of CPS -- Spring Semester 97. by Zeynep Ozdemir(Geoffrey C. Fox)
The major difference between IndexedFaceSet and IndexedLineSet is that VRML browser automatically connects the starting coordinate and ending coordinate of IndexedFaceSet to obtain a closed polyline and fills this area and shades it to make it look solid.
IndexedFaceSet geometry node defines a set of such faces to create (the surface of) a general object of arbitary shape and this node can be used in geometry field of a Shape node. Notice this is usual way in computer graphics of specifying objects
  • Usually one builds objects out of simple triangular faces

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