src/open_vp_cal/framework/processing.py [172:182]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
        target_cs, target_to_screen_cat, native_camera_cs = self._analysis_prep()

        reference_wall_external_white_balance_matrix = None
        if self.led_wall.match_reference_wall and self.led_wall.use_white_point_offset:
            raise OpenVPCalException("Cannot use white point offset and a reference wall")

        if self.led_wall.match_reference_wall:
            if self.led_wall.reference_wall_as_wall:
                reference_wall_processing_results = self.led_wall.reference_wall_as_wall.processing_results
                if not reference_wall_processing_results:
                    raise OpenVPCalException("Reference wall has not been analysed yet")
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



src/open_vp_cal/framework/processing.py [243:253]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
        target_cs, target_to_screen_cat, native_camera_cs = self._analysis_prep()

        reference_wall_external_white_balance_matrix = None
        if self.led_wall.match_reference_wall and self.led_wall.use_white_point_offset:
            raise OpenVPCalException("Cannot use white point offset and a reference wall")

        if self.led_wall.match_reference_wall:
            if self.led_wall.reference_wall_as_wall:
                reference_wall_processing_results = self.led_wall.reference_wall_as_wall.processing_results
                if not reference_wall_processing_results:
                    raise OpenVPCalException("Reference wall has not been analysed yet")
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -