README file from "nurbs" directory
~opengl2/examples/nurbs README Copyright 1991-93, 1995 Silicon Graphics, Inc. Technical Education Development All Rights Reserved. A collection of programs demonstrating implementing nurbs with the OpenGL. curve.c: draws a rotating NURBS curve. Escape key - exit the program mask.c: draws a rotating nurbs surface shaped like a mask. Escape key - exit the program <t> key - toggle texturing on and off surface.c: draws a rotating NURBS surface. Escape key - exit the program trim.c Draws a rotating NURBS surface with a half-oval with a triangular base trimmed from its center. Escape key - exit the program <f> key - filled/wireframe/patch mode trim_dlist.c Draws a rotating NURBS surface with a half-oval with a triangular base trimmed from its center. Four versions of the NURBS surface are created. Three are in display lists which differ in the manner in which they are filled. The fourth is not put in a display list. Automatic load matrix is turned off for the display lists for speed. Note the difference in tessellation when in outline polygon mode. Escape key - exit the program SPACE key - toggle display list/immediate mode <f> key - filled/wireframe/patch mode
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