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圆弧标准型有理三次Bézier表示的内在性质研究

DOI: 10.11834/jig.20111214

Keywords: 有理Bézier曲线,圆弧表示,肩点,权因子,有理参数变换

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Abstract:

给出圆弧带参数的标准型有理三次Bézier表示的一种实用形式,讨论参数对内控制点、两内权因子及肩点的影响。详细分析该参数与圆弧非标准型二次Bézier表示下的权因子之间的内在关系,参数值的变化对应了一个有理线性参数变换。最后讨论了圆弧标准型有理三次Bézier表示的反算问题。

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