well,现在的问题就转化成了如何提取当前界面某个多边形的顶点坐标。。。
Well, the current question now becomes how to extract the vertex coordinates of a polygon of the current section. . .
well,现在的问题就转化成了如何提取当前界面某个多边形的顶点坐标。。。
Well, the current question now becomes how to extract the vertex coordinates of a polygon of the current section. . .