ImageView.py 文件源码

def roiChanged(self):
        if self.image is None:
            return

        image = self.getProcessedImage()
        if image.ndim == 2:
            axes = (0, 1)
        elif image.ndim == 3:
            axes = (1, 2)
        else:
            return

        data, coords = self.roi.getArrayRegion(image.view(np.ndarray), self.imageItem, axes, returnMappedCoords=True)
        if data is not None:
            while data.ndim > 1:
                data = data.mean(axis=1)
            if image.ndim == 3:
                self.roiCurve.setData(y=data, x=self.tVals)
            else:
                while coords.ndim > 2:
                    coords = coords[:,:,0]
                coords = coords - coords[:,0,np.newaxis]
                xvals = (coords**2).sum(axis=0) ** 0.5
                self.roiCurve.setData(y=data, x=xvals)