我想确定多边形和实现算法将检查点是否内部或多边形之外。

I would like to determine a polygon and implement an algorithm which would check if a point is inside or outside the polygon.

有谁知道是否有任何可用任何类似的算法的例子吗？

Does anyone know if there is any example available of any similar algorithm?

推荐答案

只要有一个看点式-polygon（PIP）的问题。