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通过对Bezier曲线和B样条曲线的数学描述,讨论了A级曲面的概念和构造A级曲面的实质要求,从曲面的可控性阐述了A级曲面的实现方式。以三维软件环境下创建A级曲面为例,探讨逆向工程中实现A级曲面的技术方法。
Based on the mathematical description of Bezier curve and B-spline curve, the concept of A-level surface and the essential requirements for constructing A-level surface are discussed. The realization of A-level surface is described from the controllability of surface. Taking A-level surface created in 3D software as an example, this paper discusses the technical method to realize A-level surface in reverse engineering.