CRIkitUI.py 文件源码

def subtractROIStart(self):
        """
        Acquire an average spectrum from a user-selected ROI and subtract.

        Note: This function just sets up the signal-slot connection for the \
        MPL window. It executes all the way through

        """

        if self.cid is None:
            # Updated by _roiClick
            self.x_loc_list = []
            self.y_loc_list = []


            self.cid = self.img_BW.mpl.mpl_connect('button_press_event', lambda event: self._roiClick(event, self._roiSubtract))

            self.img_BW.mpl.setCursor(_QCursor(_QtCore.Qt.CrossCursor))
            self.setCursor(_QCursor(_QtCore.Qt.CrossCursor))