Note on industrial applications of Hu's surface extension algorithm

  • Authors:

  • Yu Zang;Yong-Jin Liu;Yu-Kun Lai

  • Affiliations:

  • Tsinghua National Laboratory for Information Science and Technology, Department of Computer Science and Technology, Tsinghua University, Beijing, P.R. China;Tsinghua National Laboratory for Information Science and Technology, Department of Computer Science and Technology, Tsinghua University, Beijing, P.R. China;Tsinghua National Laboratory for Information Science and Technology, Department of Computer Science and Technology, Tsinghua University, Beijing, P.R. China

  • Venue:
  • GMP'08 Proceedings of the 5th international conference on Advances in geometric modeling and processing
  • Year:
  • 2008

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Abstract

An important surface modeling problem in CAD is to connect two disjoint B-spline patches with the second-order geometric continuity. In this paper we present a study to solve this problem based on the surface extension algorithm [Computer-Aided Design 2002; 34:415- 419]. Nice properties of this extension algorithm are exploited in depth and thus make our solution very simple and efficient. Various practical examples are presented to demonstrate the usefulness and efficiency of our presented solution.