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The Blending and Trimming between Composite Triangular Bezier Surface and Plane
Author(s): LI Jijun
Pages: 59-
67
Year: 2001
Issue:
2
Journal: JOURNAL OF ENGINEERING GRAPHICS
Keyword: 三角Bezier曲面片; 复合三角Bezier曲面:点对应;
Abstract: 由初始交点出发,利用拓扑关系跟踪计算复合三角Bezier曲面与平面的交线.对一系列交点进行点对应修正、曲面片间边界点计算、交线两端交点的跟踪、截面线构造、截面线离散,构造出与基曲面达到G'连续、结构相似的过渡曲面.将交点作为型值点插入复合曲面的型值点集中、对三角网格局域三角化、以交线为界分离、重新构造拓扑关系生成两张新的曲面,实现裁剪的目的.测试显示,上述方法简单可靠.
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