pysal.lib.cg.get_polygon_point_dist

pysal.lib.cg.get_polygon_point_dist(poly, pt)[源代码]

返回多边形和点之间的距离。

得到多边形距离(多边形,点)->数字

参数:
poly : 计算距离的多边形
pt : 计算距离的点

实例

>>> poly = Polygon([Point((0, 0)), Point((1, 0)), Point((1, 1)), Point((0, 1))])
>>> pt = Point((2, 0.5))
>>> get_polygon_point_dist(poly, pt)
1.0
>>> pt2 = Point((0.5, 0.5))
>>> get_polygon_point_dist(poly, pt2)
0.0