椭圆弧的有理B zier表示

来源 :湖南师范大学自然科学学报 | 被引量 : 0次 | 上传用户:netfate
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提出了椭圆弧弧度的定义,根据这一定义推出三次有理Bézier椭圆弧弧度不超过240°.此外还提出了求椭圆弧控制顶点和相应权值的几何构造方法.
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