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create-shp

create-shp

作者: xueyueshuai | 来源:发表于2024-05-12 11:59 被阅读0次
    import json
    import geopandas as gpd
    
    
    def create_shp(geojsonData, output_path, crs='EPSG:4326', geom_type='Point'):
        # 创建 GeoDataFrame
        gdf = gpd.GeoDataFrame.from_features(geojsonData['features'])
    
        # 设置坐标系(根据你的数据)
        # gdf.crs = "EPSG:4326"
        # gdf.crs = "EPSG:3857"
        gdf.crs = crs
    
        # 拆分 GeoDataFrame 为包含相同几何类型的子集
        # get_gdf = gdf[gdf['geometry'].geom_type == 'Point']
        # get_gdf = gdf[gdf['geometry'].geom_type == 'LineString']
        get_gdf = gdf[gdf['geometry'].geom_type == geom_type]
    
        # 保存为 Shapefile
        get_gdf.to_file(output_path, encoding='utf-8')
    
    
    def get_file_content(file_path):
        # 打开一个文件并读取所有内容
        with open(file_path, 'r') as file:
            content = file.read()
    
        return content
    
    
    geojson = json.loads(get_file_content('./1.json'))
    create_shp(geojson, output_path="./example/points.shp")
    

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