Description: Three B-spline interpolation surface and realize:: At present CAM/CAM method of constructing the free-form surfaces, the more popular has B-spline surfaces, Bezier surfaces, Ball surfaces and so on, but by the several methods and Chengdu is surface fitting, and interpolation surface hundred, and often can not meet a number of engineering practice, the requirements of strict interpolation, this paper constructed a free interpolation surface generation method-B-spline busbar law, generated by C ^ 2 surface to achieve a smooth level applicable to machinery, tooling, automotive, shipbuilding and other manufacturing industries processing complex surface design.
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