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Hole Boundary Identification Algorithm for 3D Closed Triangle Mesh
Author(s): KONG Lingxia, YAO Yuan, HU Qingxi
Pages: 177-
179,187
Year: 2010
Issue:
18
Journal: Computer Engineering
Keyword: 封闭网格; 曲线平滑; 轮廓线渲染; 边界识别;
Abstract: 针对三维封闭三角网格模型的缺失实体孔洞,提出一种边界识别算法.以手绘曲线作为输入,结合轮廓线法得到目标孔洞的近似边界点集,生成连续的孔洞轮廓线.按照曲线点集并以孔洞轮廓线辅助搜索孔洞的上边界,根据上边界向下搜索得到孔洞的下边界.该算法可用于满足二维流形、可定向及封闭的三角网格模型上孔洞边界的定位,能够简化孔洞边界的定位过程,提高设计系统的易用性.
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