Python GeoPanda从给定点查找所有可能的相邻/最近的几何点
我有一个这样的数据框Python GeoPanda从给定点查找所有可能的相邻/最近的几何点,python,pandas,point,geopandas,shapely,Python,Pandas,Point,Geopandas,Shapely,我有一个这样的数据框 import numpy as np import pandas as pd import descartes from shapely.geometry import Point, Polygon import geopandas as gpd import matplotlib.pyplot as plt df = pd.DataFrame({'Address':['280 Broadway','1 Liberty Island','141 John Street'
import numpy as np
import pandas as pd
import descartes
from shapely.geometry import Point, Polygon
import geopandas as gpd
import matplotlib.pyplot as plt
df = pd.DataFrame({'Address':['280 Broadway','1 Liberty Island','141 John Street'],
'Latitude':[ 40.71,40.69,40.71],
'Longitude':[-74.01,-74.05,-74.00]
})
%matplotlib inline
geometry = [Point(xy) for xy in zip( df["Longitude"],df["Latitude"])]
crs = {'init':'epsg:4326'}
df = gpd.GeoDataFrame(df,
crs=crs,
geometry=geometry)
df.head()
我将lat和lon转换为几何点,并尝试使用几何点查找每个地址的所有可能最近点。例如,一个块中相邻的所有可能的最近点。如果这些点在多边形形状中彼此相邻,则可能有多个点
这是我的方法,但没有真正得到我想要的
df.insert(4, 'nearest_geometry', None)
from shapely.geometry import Point, MultiPoint
from shapely.ops import nearest_points
for index, row in df.iterrows():
point = row.geometry
multipoint = df.drop(index, axis=0).geometry.unary_union
queried_geom, nearest_geom = nearest_points(point, multipoint)
df.loc[index, 'nearest_geometry'] = nearest_geom
非常感谢您的帮助。以下几点建议:1)您应该编辑您的问题,以明确说明此示例的设计结果。2) 您还应该在gis.stackexchange.com上询问以下问题:1)您应该编辑您的问题,以明确说明本示例的设计结果。2) 您还应该在gis.stackexchange.com上询问此问题