02/21/2002
15-462 Graphics I
31
Bezier Surfaces
•Create evaluator in two parameters u and v
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•Enable, also automatic calculation of normal
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•Evaluate at parameters u and v
glMap2f(GL_MAP2_VERTEX_3,
              u0, u1, ustride, uorder,
              v0, v1, vstride, vorder, point_array);
glEnable(GL_MAP2_VERTEX_3);
glEnable(GL_AUTO_NORMAL);
glEvalCoord2f(u, v);