model.py 文件源码

def get_node_coordinates(self, name=None):
        """
        Returns node coordinates.

        Parameters
        ----------
        name: string
            Name of the node.

        Returns
        -------
        A tuple containing the coordinates of the specified node.
        Note: If name is None, this method will return a dictionary
              with the coordinates of all nodes keyed by node name.
        """
        if name is not None:
            return self._graph.node[name]['pos']
        else:
            coordinates_dict = nx.get_node_attributes(self._graph, 'pos')
            return coordinates_dict