Basic HTML version of Foils prepared March 4 1998

Foil 107 NormalInterpolator 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
VRML2.0 NormalInterpolator Node
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
  • }
The number of keyvalues must be a multiple of number of keys
The Normal Interpolation is performed along arcs joining keyValues on surface of a sphere

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