plot2d.py 文件源码

def interactive(self):
        """Simple interactive quadtree plot with matplot

        This is a relictic function
        """
        from matplotlib.widgets import Slider
        self._initImagePlot()

        def change_epsilon(e):
            self._quadtree.epsilon = e

        def close_figure(*args):
            self._quadtree.evChanged.unsubscribe(self._update)

        self.ax.set_position([0.05, 0.15, 0.90, 0.8])
        ax_eps = self.fig.add_axes([0.05, 0.1, 0.90, 0.03])

        self.data = self._quadtree.leaf_matrix_means
        self.title = 'Quadtree Means - Interactive'

        self._addInfoText()

        epsilon = Slider(ax_eps, 'Epsilon',
                         self._quadtree.epsilon - 1.*self._quadtree.epsilon,
                         self._quadtree.epsilon + 1.*self._quadtree.epsilon,
                         valinit=self._quadtree.epsilon, valfmt='%1.3f')

        # Catch events
        epsilon.on_changed(change_epsilon)
        self._quadtree.evChanged.subscribe(self._update)
        self.fig.canvas.mpl_connect('close_event', close_figure)

        plt.show()