西安公路交通大学学报
Journal of Xi'an Highway University
2001 Vol.21 No.1 P.125-126


三角域上B-B曲面和矩形域上B12501.gif (135 bytes)ZIER曲面之间的几何连续条件

王波  李选平 

摘 要:利用KAHMANR关于曲面片之间的GC2连续条件得到了当三角域上B-B曲面已知时,三角域上B-B曲面和矩形域上BÈZIER曲面之间的GC2连续条件。
关键词:B-B曲面;几何连续;B
ÈZIER曲面
分类号:O174 文献标识码:A

文章编号:1007-4112(2001)01-0125-02

Geometric Continuity Condition between Adjacent Rectangular B12502.gif (105 bytes)ZIER Surfaces and Triangular B-B Surfaces

WANG BoOffice of Basic Courses, Xian Economic and Trade School, Xian 710077, China
LI Xuan-pingDepartment of Basic Courses, Air Force Telecommunication Engineering Institute, Xian 710077, China

AbstractUsing the result in KAHMAN's paper about GC2 continuity conditions between surfaces, a sufficient GC2 continuity condition between adjacent rectangular BÈZIER surfaces and triangular B-B surfaces is present.
Keywords
B-B surface; geometric continuity; BÈZIER surface

作者简介:王波(1963-),女,陕西合阳人,西安市经济贸易学校讲师
作者单位:王波(西安市经济贸易学校 基础教研室,陕西 西安 710077) 
     李选平(西安空军电讯工程学院 基础课部,陕西 西安 710077) 

参考文献:

[1]LIU D, HOSCHEK G. GC1 continuity conditions between adjacent rectangular and triangular BÈZIER sur-face patches[J]. CAD, 1989,21(4):194.
[2]FARIN G. A construction for the visual C1 continuity of polynomial surface patches[J]. Computer Graphics and Image Processing, 1982,20:272.
[3]KAHMAN J. Continuity of curvature[A]. in:Barnh-ill R
ÈBOEHM W. Surfaces in CAGD[C]. North-holland, Amsterdam, 1983.
[4]BARNHILL R E. Surfaces in CAGD[J]. CAGD,1985 ,(2):1.

收稿日期:2000年10月12日

出版日期:2001年1月1日