confocalgui.py 文件源码

def update_roi_xy_size(self):
        """ Update the cursor size showing the optimizer scan area for the XY image.
        """
        hpos = self.roi_xy.pos()[0]
        vpos = self.roi_xy.pos()[1]
        hsize = self.roi_xy.size()[0]
        vsize = self.roi_xy.size()[1]
        hcenter = hpos + 0.5 * hsize
        vcenter = vpos + 0.5 * vsize
        if self.adjust_cursor_roi:
            newsize = self._optimizer_logic.refocus_XY_size
        else:
            viewrange = self.xy_image.getViewBox().viewRange()
            newsize = np.sqrt(np.sum(np.ptp(viewrange, axis=1)**2)) / 20
        self.roi_xy.setSize([newsize, newsize])
        self.roi_xy.setPos([hcenter - newsize / 2, vcenter - newsize / 2])