2cf45b50c97ad7f1662a540f09fb24425c13466c
and if they are present use these to compute the tanget and binormals vectors perpendicular to existing normals.
Welcome to the OpenSceneGraph (OSG). For information on the project, this distribution, how to compile and run libraries and examples, and for documention open up index.html in your perfered html browser. Robert Osfield. robert@openscenegraph.com April 2002.
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