geopandas.GeoSeries.envelope#

property GeoSeries.envelope#

返回一个 GeoSeries 表示每个几何图形的包络的几何图形。

几何图形的包络是边界矩形。也就是说，包含几何体的点或最小矩形多边形(其边平行于坐标轴)。

参见

GeoSeries.convex_hull: 凸壳几何

示例

>>> from shapely.geometry import Polygon, LineString, Point, MultiPoint
>>> s = geopandas.GeoSeries(
...     [
...         Polygon([(0, 0), (1, 1), (0, 1)]),
...         LineString([(0, 0), (1, 1), (1, 0)]),
...         MultiPoint([(0, 0), (1, 1)]),
...         Point(0, 0),
...     ]
... )
>>> s
0    POLYGON ((0.00000 0.00000, 1.00000 1.00000, 0....
1    LINESTRING (0.00000 0.00000, 1.00000 1.00000, ...
2        MULTIPOINT (0.00000 0.00000, 1.00000 1.00000)
3                              POINT (0.00000 0.00000)
dtype: geometry

>>> s.envelope
0    POLYGON ((0.00000 0.00000, 1.00000 0.00000, 1....
1    POLYGON ((0.00000 0.00000, 1.00000 0.00000, 1....
2    POLYGON ((0.00000 0.00000, 1.00000 0.00000, 1....
3                              POINT (0.00000 0.00000)
dtype: geometry

geopandas.GeoSeries.convex_hull

geopandas.GeoSeries.simplify