pyfrp_plot_module.py 文件源码

def drawCenter(self):

        """Draws a red marker at selected center on canvas."""

        if len(self.centerPt)>0:
            self.clearCenter()

        pt=ptc.Circle(self.center,radius=3,fill=True,color='r')
        self.centerPt.append(self.ax.add_patch(pt))

        self.fig.canvas.draw()

        return self.centerPt