fix the real_wcs (chip_wcs) missing bug when only outputting the catalog

ObservationSim/ObservationSim.py

@@ -275,7 +275,7 @@ class Observation(object):
                 try:
                     if self.config["run_option"]["out_cat_only"]:
                         isUpdated = True
-                        obj.real_pos = obj.getRealPos(chip.img, global_x=obj.posImg.x, global_y=obj.posImg.y, img_real_wcs=obj.real_wcs)
+                        obj.real_pos = obj.getRealPos(chip.img, global_x=obj.posImg.x, global_y=obj.posImg.y, img_real_wcs=obj.chip_wcs)
                         pos_shear = 0.
                     elif chip.survey_type == "photometric" and not self.config["run_option"]["out_cat_only"]:
                         isUpdated, pos_shear = obj.drawObj_multiband(