Hello, In my code I have : theNurb = gluNewNurbsRenderer(); gluNurbsProperty(theNurb, GLU_NURBS_MODE, GLU_NURBS_TESSELLATOR); gluNurbsProperty(theNurb, GLU_SAMPLING_TOLERANCE, 100.0); gluNurbsProperty(theNurb, GLU_DISPLAY_MODE, GLU_FILL); gluNurbsCallback(theNurb, GLU_ERROR, nurbsError); gluNurbsCallback(theNurb, GLU_NURBS_BEGIN, beginCallback); gluNurbsCallback(theNurb, GLU_NURBS_VERTEX, vertexCallback); gluNurbsCallback(theNurb, GLU_NURBS_NORMAL, normalCallback); gluNurbsCallback(theNurb, GLU_NURBS_END, endCallback); When I compile it I have : error C2065: ''GLU_NURBS_MODE'' : undeclared identifier error C2065: ''GLU_NURBS_TESSELLATOR'' : undeclared identifier error C2664: ''gluNurbsCallback'' : cannot convert parameter 3 from ''void (unsigned int)'' to ''void (__stdcall *)(void)'' None of the functions with this name in scope match the target type error C2065: ''GLU_NURBS_BEGIN'' : undeclared identifier error C2065: ''GLU_NURBS_VERTEX'' : undeclared identifier error C2065: ''GLU_NURBS_NORMAL'' : undeclared identifier error C2065: ''GLU_NURBS_END'' : undeclared identifier It''s a piece of code from the red book... I include glut.h at the beginning... I am linking glu32.lib glut32.lib and opengl.lib, but it''s seems to be before the linking... I''m stuck...I have no ideas about the problem... Any ideas? Thank you...

add

#include < gl/glu.h >

after you include glut.h

EDIT: fixed post
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I write code.
DelphiGL (http://delphigl.cfxweb.net)

Edited by - Jallen on December 6, 2001 6:57:04 PM

no, ''GLU_NURBS_MODE'' is just not defined in glu.h...it''s not so easy...
but thanks..

Thats because GLU_NURBS_MODE is from an extension, you need to find an updated glext.h file (look at developer.nvidia.com) or copy the values out of the extension specification located here:

http://oss.sgi.com/projects/ogl-sample/registry/EXT/nurbs_tessellator.txt

Jason A.

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I write code.
DelphiGL (http://delphigl.cfxweb.net)

Thank you very much, you''ve been the only one who knew what I was talking about...