geopandas.GeoSeries.get_geometry

GeoSeries.get_geometry(index)

从几何体集合中返回第 n 个几何体。

Parameters:

indexint or array_like

在其集合中检索几何图形的位置

Returns:

GeoSeries

笔记

简单几何体充当长度为1的集合。任何超出范围的索引值返回None。

示例

>>> from shapely.geometry import Point, MultiPoint, GeometryCollection
>>> s = geopandas.GeoSeries(
...     [
...         Point(0, 0),
...         MultiPoint([(0, 0), (1, 1), (0, 1), (1, 0)]),
...         GeometryCollection(
...             [MultiPoint([(0, 0), (1, 1), (0, 1), (1, 0)]), Point(0, 1)]
...         ),
...     ]
... )
>>> s
0                                          POINT (0 0)
1              MULTIPOINT ((0 0), (1 1), (0 1), (1 0))
2    GEOMETRYCOLLECTION (MULTIPOINT ((0 0), (1 1), ...
dtype: geometry

>>> s.get_geometry(0)
0                                POINT (0 0)
1                                POINT (0 0)
2    MULTIPOINT ((0 0), (1 1), (0 1), (1 0))
dtype: geometry

>>> s.get_geometry(1)
0           None
1    POINT (1 1)
2    POINT (0 1)
dtype: geometry

>>> s.get_geometry(-1)
0    POINT (0 0)
1    POINT (1 0)
2    POINT (0 1)
dtype: geometry