首先对于矩形窗口，介绍了直线裁剪算法，圆和椭圆裁剪算法以及参数曲线的裁剪算法。
Firstly, to the rectangle window, algorithms for clipping lines, circles and ellipses, as well as parametric curves are introduced.
首先对于矩形窗口，介绍了直线裁剪算法，圆和椭圆裁剪算法以及参数曲线的裁剪算法。
A clipping algorithm for complex2 D graphs based on the robust intersection points seeking method is presented.
本算法的特点是利用面积相关性，而且特别适合于封闭曲线所围成的区域，如圆和椭圆等区域。
This algorithm USES the coherence properties of regions and is especially suitable for regions bounded by closed curves, eg. circles, ellipses etc.
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