fgluEndCurve man page on IRIX

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fgluBeginCurve(3G)	       OpenGL Reference		    fgluBeginCurve(3G)

NAME
     fgluBeginCurve, fgluEndCurve - delimit a NURBS curve definition

FORTRAN SPECIFICATION
     SUBROUTINE fgluBeginCurve( CHARACTER*8 nurb )

     SUBROUTINE fgluEndCurve( CHARACTER*8 nurb )

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

DESCRIPTION
     Use fgluBeginCurve to mark the beginning of a NURBS curve definition.
     After calling fgluBeginCurve, make one or more calls to fgluNurbsCurve to
     define the attributes of the curve.  Exactly one of the calls to
     fgluNurbsCurve must have a curve type of GL_MAP1_VERTEX_3 or
     GL_MAP1_VERTEX_4.	To mark the end of the NURBS curve definition, call
     fgluEndCurve.

     GL evaluators are used to render the NURBS curve as a series of line
     segments.	Evaluator state is preserved during rendering with
     glPushAttrib(GL_EVAL_BIT) and glPopAttrib(). See the glPushAttrib
     reference page for details on exactly what state these calls preserve.

EXAMPLE
     The following commands render a textured NURBS curve with normals;
     texture coordinates and normals are also specified as NURBS curves:

	  gluBeginCurve(nobj);
	     gluNurbsCurve(nobj, ..., GL_MAP1_TEXTURE_COORD_2);
	     gluNurbsCurve(nobj, ..., GL_MAP1_NORMAL);
	     gluNurbsCurve(nobj, ..., GL_MAP1_VERTEX_4);
	  gluEndCurve(nobj);

SEE ALSO
     fgluBeginSurface, fgluBeginTrim, fgluNewNurbsRenderer, fgluNurbsCurve,
     glPopAttrib, glPushAttrib

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