Python-geopandas-读取MapInfor-20241209

合集 - Python(3)

1.Python-geopandas-设置图层缓冲区-202412092024-12-09

2.Python-geopandas-读取MapInfor-202412092024-12-09

3.Python-geopandas-fiona兼容性问题-202412092024-12-09

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#读取数据，需要制定坐标格式
shapefile_path = r'd:\Mapinfor\map\赣江新区新增图层.TAB'
mapinfo_gdp = gpd.read_file(shapefile_path, driver="Mapinfo File")
#先设置一个坐标系,否则会报提示性错误
mapinfo_gdp = mapinfo_gdp.to_crs(epsg=4326)

#校验坐标系,转换到目标投影坐标系（已知道图层坐标系可以直接进行设置）
utm_zone_number = int((mapinfo_gdp.geometry.centroid.x[0] + 180) // 6) + 1
point_gdf_utm = mapinfo_gdp.to_crs(utm_crs)

# 缓冲区距离，默认单位是米
buffer_distance = 500  
mapinfo_gdp['buffer'] = point_gdf_utm.buffer(3000)
buffer_gdf = gpd.GeoDataFrame(mapinfo_gdp, geometry='buffer')
buffer_gdf = buffer_gdf.to_crs(epsg=4326)