fgluNurbsCallbackData(3G)

NAME
     fgluNurbsCallbackData - set a user data pointer


FORTRAN SPECIFICATION
     SUBROUTINE fgluNurbsCallbackData( CHARACTER*8 nurb,
                                       CHARACTER*8 userData )


PARAMETERS
     nurb      Specifies the NURBS object (created with fgluNewNurbsRenderer).

     userData  Specifies a pointer to the user's data.

DESCRIPTION
     fgluNurbsCallbackData 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 fgluNurbsCallback).

NOTES
     fgluNurbsCallbackData is available only if the GLU version is 1.3 or
     greater.

SEE ALSO
     fgluNewNurbsRenderer, fgluNurbsCallback