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)
1 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.
2 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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