Basic HTML version of Foils prepared April 6 1997

Foil 103 NormalInterpolator Node

From VRML 2 Basic Concepts and Definitions CPS616 -- Information Track of CPS -- Spring Semester 97. by Zeynep Ozdemir(Geoffrey C. Fox)
1 NormalInterpolator node can be used to animate normal vectors in a Normal node which contains sets of normals used in IndexedFaceSet and ElevationGrid.
  • NormalInterpolator {
  • set_fraction # eventIn SFFloat
  • key [] # exposedField MFFloat
  • keyValue [] # exposedField MFVec3f
  • value_changed # eventOut MFVec3f
  • }
2 The number of keyvalues must be a multiple of number of keys
3 The Normal Interpolation is performed along arcs joining keyValues on surface of a sphere
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