摘要
非均匀有理 B样条 ( NURBS)是 CAD设计中广泛使用的技术 .本文基于平面几何知识给出了三角形约束的圆与椭圆曲线的 NURBS表示 。
This paper has given some formula of NURBS represent of the quadratic curve constrained by triangle,such as intemally tangent circle ,intemally tangent ellipse and outer circle it proved the computability for project designer to apply these curves.
出处
《数学理论与应用》
2000年第2期59-63,共5页
Mathematical Theory and Applications
