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第一作者：朱建宁

通讯作者：王敏杰,魏兆成,曹斌

发表时间：2013-01-01

发表刊物：大连理工大学学报

期号：3

页面范围：376-381

ISSN号：1000-8608

摘要：To solve the problem of inefficiency and poor stability in computing intersection between line and high precision subdivision surface ,an efficient method is presented for computing intersection between line and Catmull-Clark subdivision surface by utilizing topological characteristics of subdivision surface . Firstly , a new data structure is constructed for piecewise representation of Catmull-Clark subdivision surface .Then ,an axis aligned bounding box (AABB) is created for each subdivision surface patch .Based on AABB collision detection technology ,subdivision surface patches non-intersecting the line can be eliminated rapidly . Subdivision surface patch multi-segmentation technology is presented on the basis of topological characteristics of subdivision surface patch .Lastly , quadrilateral face intersecting the line can be determined and intersection point can be obtained by combination of multi-segmentation and AABB collision detection technology .

备注：新增回溯数据