export_nodes_and_id_maker.py 文件源码

def load_graph(json_dict):
    g = nx.MultiDiGraph()
    for item in json_dict['features']:
        coord = item['geometry']['coordinates']
        coord_u = get_node(coord[0])
        coord_v = get_node(coord[-1])
        g.add_edge(coord_u, coord_v, id=item['properties']['id'])
    return g