最近一直处理多边形相关的处理，包括自相交图形分割，有洞多边形的分割，任意不相交多边形的三角分割，其中用到了折线平行线的生成算法，见附件。提高了图形的描画速度。以后会继续上传多边形处理的论文和处理代码。-Have recently been dealing with polygon-related processing, including the self-intersection graph partition, there are holes polygons partition, arbi