The distinguishing feature of the new method is that a complex object can be decomposed to several convex parts of the body, Then, the periphery of projection for the convex part of the body is found.
该方法的特点是将复杂形体分解成若干个基本凸体,并将凸体的外围线框找出,同时将待消隐线段与外围线框求交,并用交点将待消隐线段分解成若干段,每一段采用视线交点法消隐原理测试其可见性,从而达到对待消隐线段消隐的目的。
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