张量积上参数Bezier曲面保凸的充分条件  

THE CONVEXITY OF PARAMETRIC BEZIER PATCH OVER RECTANGLES

作　　者：朱功勤[1] 殷明[1] 

机构地区：[1]合肥工业大学

出　　处：《计算数学》1994年第3期273-277,共5页Mathematica Numerica Sinica

摘　　要：张量积上参数Ｂｅｚｉｅｒ曲面保凸的充分条件朱功勤，殷明（合肥工业大学）ＴＨＥＣＯＮＶＥＸＩＴＹＯＦＰＡＲＡＭＥＴＲＩＣＢＥＺＩＥＲＰＡＴＣＨＯＶＥＲＲＥＣＴＡＮＧＬＥＳ￥ＺｈｕＧｏｎｇ－ｑｉｎ；ＹｉｎＭｉｎｇ（ＨｅｆｅｉＵｎｉｖｅｒｓｉｔｙ）Ａｂｓｔ...Abstract In this paper, some sufficient conditions for the convexity of a parametric patch overa rectangle are presented. The convexity relation between the Bezier net and the patch isalso discussed

关 键 词：CAGD 张量积 BEZIER曲面 凸性 

分 类 号：O24[理学—计算数学]