Graphics clipping and covering is one of the key points in computer graphics field. After more study and practice, a new algorithm is give, which is for clipping and covering in circular window.

图形的裁剪与覆盖是计算机图形学中较为热点研究的问题，作者对此进行了深入的研究与实践，提出了较为理想的圆形窗口“裁剪与覆盖”的计算机辅助设计新算法。

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