Point Constraints for B-spline Surfaces Based on Energy Model and Least Square Method

摘要：

This paper presents an algorithm of the point constraint for B-spline surfaces.Based on static energy model, the shape of the surface can be sculpted in an intuitive manner by changing the force distribution vector and control point constraint,thus this method provides the user with a familiar interface for modifying the shape.Furthermore,in order to impose surface point constraints upon the B-spline surface, optimization object function is built based on the least square method,and force distribution vector is used as optimization variable.Several calculation examples are demonstrated to verify and show the capabilities of the developed model.

关键词： B-spline surfaces point constraints surface energy model least square method

作者: Lun Li Weijun Liu Renbo Xia

作者单位: Shenyang Institute of Automation Chinese Academy of Sciences Shenyang,Liaoning Province China

会议类型: 国际会议

会议名称: 2007 IEEE International Conference on Automation and Lofistics

会议地点: 山东济南

会议语种:英文

在线出版日期: 2007-08-18（万方平台首次上网日期，不代表论文的发表时间）