(c) SenseGraphics 2010

Convert from IndexedFaceSet to IndexedTriangleSet for those IndexedFaceSets
that are generated by other programs and have only 3-vertex polygons.
The program will not work if the IndexedFaceSet contains a polygon with more than
3 vertices. This file might crash but it will still have change the file.

Syntax: h3dload ifs2its.x3d [source_file] [destination_file]