plots.py 文件源码

def draw_nodes(self):
        """
        Draw nodes to screen.
        """
        node_r = 1
        for i, node in enumerate(self.nodes):
            x = self.node_coords['x'][i]
            y = self.node_coords['y'][i]
            color = self.node_colors[i]
            node_patch = patches.Ellipse((x, y), node_r, node_r,
                                         lw=0, color=color, zorder=2)
            self.ax.add_patch(node_patch)