model.py 文件源码

def scale_node_coordinates(self, scale):
        """
        Scales node coordinates, using 1:scale.  Scale should be in meters.

        Parameters
        -----------
        scale : float
            Coordinate scale multiplier.
        """
        pos = nx.get_node_attributes(self._graph, 'pos')

        for name, node in self._nodes.items():
            self.set_node_coordinates(name, (pos[name][0]*scale, pos[name][1]*scale))