pyfrp_plot_module.py 文件源码

def drawRadius(self):

        """Draws a red circle around selected center with selected radius on canvas."""

        if len(self.radiusPt)>0:
            self.clearRadius()

        pt=ptc.Circle(self.center,radius=self.radius,fill=False,color='r')
        self.radiusPt.append(self.ax.add_patch(pt))

        self.fig.canvas.draw()

        return self.radiusPt