Trimming Bezier Surfaces on Bezier Surfaces Via Blossoming

摘要

The problem of trimming Bezier surfaces on Bezier surfaces contains many cases, such as the subdivision, conversion and conjoining. Different methods have been given for some special cases. In this paper, by means of blossoming and parameter transformation, a united approach is given for this problem. The approach can be extended to trim Bezier patches on any polynomial or rational surfaces naturally.