def cropDcm(self): if self.dcm_3Ddata is None: self.statusBar().showMessage('No DICOM data!') return self.statusBar().showMessage('Cropping DICOM data...') QApplication.processEvents() pyed = QTSeedEditor(self.dcm_3Ddata, mode='crop', voxelSize=self.voxel_sizemm) pyed.exec_() self.dcm_3Ddata = pyed.getImg() self.dcm_offsetmm = pyed.getOffset() self.setLabelText(self.text_dcm_data, self.getDcmInfo()) self.statusBar().showMessage('Ready') self.statusBar().showMessage('Ready')