1991-2006 Silicon Graphics, Inc. gluNurbsCallbackData 3G gluNurbsCallbackData set a user data pointer C Specification void gluNurbsCallbackData GLUnurbs* nurb GLvoid* userData Parameters nurb Specifies the NURBS object (created with gluNewNurbsRenderer). userData Specifies a pointer to the user's data. Description gluNurbsCallbackData is used to pass a pointer to the application's data to NURBS tessellator. A copy of this pointer will be passed by the tessellator in the NURBS callback functions (set by gluNurbsCallback). Notes gluNurbsCallbackData is available only if the GLU version is 1.3 or greater. See Also gluNewNurbsRenderer, gluNurbsCallback Copyright Copyright 1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see http://oss.sgi.com/projects/FreeB/.