gdf
  • 2024-09-12[1061] Plotting a GeoDataFrame by matplotlib
    importgeopandasasgpdimportmatplotlib.pyplotaspltfromshapely.geometryimportPoint,LineString,Polygon#Createsamplegeometriespoints=[Point(.5,.5),Point(1.5,1.5),Point(2.5,2.5),Point(3.5,3.5),Point(5,5)]lines=[LineString([(5,0
  • 2024-09-05[1058] Integrate points within the same polygons as the centroid
    Tointegratepointswithinaspecificpolygonandsetthecentroidofthepolygonasthenewlocationforthosepoints,youcanusethegeopandaslibraryinPython.Here’sastep-by-stepguide:Importnecessarylibraries:importgeopandasasgpdfromsh
  • 2024-09-03geopandas
    一数据集准备获取nybb数据集importgeopandasfromgeodatasetsimportget_pathpath_to_data=get_path("nybb")gdf=geopandas.read_file(path_to_data)gdf二将获取到的数据集写到本地文件,方便查看gdf.to_file(“my_file.geojson”,driver=“GeoJSON”)
  • 2024-08-02Python,Geopandas报错,AttributeError: The geopandas.dataset has been deprecated and was removed in
    Python版本3.9,Geopandas版本1.0.1问题描述:这是执行的代码,importpandasaspdimportgeopandasimportmatplotlib.pyplotaspltworld=geopandas.read_file(geopandas.datasets.get_path('naturalearth_lowres'))world.plot()plt.show()这是报错信息,Traceback(mo
  • 2024-07-22都什么年代了,还用传统矢量化 ?!都给我用raterio,快,不止一点点
    都给我用rasterio!快,不止一点点#Convertbitmasktopolygon(zerovaluesonly)importrasteriofromrasterio.featuresimportshapesfromshapely.geometryimportshapeimportgeopandasasgpdimportos,shutilimportgc#Opentherasterfilesrc_dir="./&quo
  • 2024-07-09基于Python与GDAL的栅格转矢量(去边框)、添加缓冲区、简化容差
    文章目录概要整体内容简化矢量数据并应用容差小结概要在地理信息系统(GIS)中,栅格数据与矢量数据之间的转换是一项基本且重要的操作。栅格数据通常用于表示连续变化的数据(如温度、海拔等),而矢量数据则更适合表示离散的地理要素(如点、线、面)。此外,为矢量要素添加缓冲区是
  • 2024-04-23[987] geopandas.sjoin
    geopandas.sjoin:SpatialjoinoftwoGeoDataFrames.geopandas.sjoin(left_df, right_df, how='inner', predicate='intersects', lsuffix='left', rsuffix='right', **kwargs)Parameters:left_df,right_df:GeoDataFram
  • 2024-02-21【Python&GIS】基于Python融合矢量数据(多面合一)
    ​    之前发过使用批量合并矢量数据的文章:【Python&GIS】基于Python批量合并矢量数据,正好前段时间有需求把矢量数据进行融合,然后就编了一段融合矢量数据的代码。今天就和大家分享一下如何使用Python对矢量数据实现融合的操作。1.定义    首先大家要明白矢量数
  • 2023-11-21【Python】geopandas 读取 shp/geojson 边界文件
    1.读取shp/geojson边界文件importgeopandasasgpdfile='media/abc.geojson'gdf=gpd.read_file(file)#将GeoDataFrame转换为GeoJSON字符串geojson=json.loads(gdf.to_json())features=geojson['features']2.获取边界文件的网格范围importgeopandas
  • 2023-11-15[938] How to operate with shapefiles using Geopandas
    GeopandasisaPythonlibrarythatmakesworkingwithgeospatialdataeasierbyextendingthedatamanipulationcapabilitiesofpandastospatialdata.Here'sabriefoverviewofhowtooperatewithshapefilesusingGeopandas:Installation:Makesure