gui.py 文件源码

def callback_rect(self, eclick, erelease):
        xmin, xmax, ymin, ymax = eclick.xdata, erelease.xdata, eclick.ydata, erelease.ydata
        if xmin > xmax:
            xmin, xmax = xmax, xmin
        if ymin > ymax:
            ymin, ymax = ymax, ymin
        x, y = self.x_position, self.y_position
        in_selection = ((x >= xmin) & (x <= xmax) &
                        (y >= ymin) & (y <= ymax))
        indices = np.nonzero(in_selection)[0]
        add_or_remove = None
        if erelease.key == 'shift':
            add_or_remove = 'add'
        elif erelease.key == 'control':
            add_or_remove = 'remove'
        self.update_inspect(indices, add_or_remove)