B-Splines and OpenGL/GLU The Universityof Texas at Austin 1. Department of Computer Sciences Graphics – Spring (Lecture 11) • Nonuniform B-splines (NUBS) generalize this construction • A B-spline, Bd For lighting / shading using a NURBS surface, when additionally needs surface normals. These could be generated automatically, using. 19 Curves, Surfaces, and Using Evaluators. OpenGL evaluators use a Bezier basis. To render a surface using any other basis, such as B-spline, you must convert your control points to a Bezier basis. The OpenGL Programming Guide, Chapter 12, lists a number of reference books that cover the math behind these conversions. I want to draw a bounded b-spline surface with 26 b-spline boundary curves. I can draw b-spline surface (without any boundary) in OpenGL, but it is too difficult for me to draw surface and fit the boundary curves.

# B spline surface opengl

GPU-based trimming and tessellation of NURBS and T-Spline surfaces (SIGGRAPH 2005 Presentation), time: 22:21

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Certainly. It was and with me. Let's discuss this question.