geoTools.py 文件源码

def mergePolyList(geojsonfilename):

    multipolygon = ogr.Geometry(ogr.wkbMultiPolygon)
    datasource = ogr.Open(geojsonfilename, 0)

    layer = datasource.GetLayer()
    print(layer.GetFeatureCount())


    for idx, feature in enumerate(layer):

        poly = feature.GetGeometryRef()

        if poly:

            multipolygon.AddGeometry(feature.GetGeometryRef().Clone())

    return multipolygon