add crosstalk step. add validation for objects parameters

config/obs_config_SCI.yaml

@@ -74,6 +74,8 @@ call_sequence:
   # Add bias
   bias:
     bias_16channel: YES
+  # Add cross-talk
+  cross_talk: {}
   # Add readout noise
   readout_noise: {}
   # Apply gain

observation_sim/mock_objects/CatalogBase.py

@@ -29,8 +29,8 @@ class CatalogBase(metaclass=ABCMeta):
         param = {
             "star": -1,
             "id": -1,
-            "ra": 0,
-            "dec": 0.,
+            "ra": -999.,
+            "dec": -999.,
             "ra_orig": 0.,
             "dec_orig": 0.,
             "z": 0.,
@@ -44,15 +44,15 @@ class CatalogBase(metaclass=ABCMeta):
             "bfrac": 0.,
             "av": 0.,
             "redden": 0.,
-            "hlr_bulge": 0.,
-            "hlr_disk": 0.,
+            "hlr_bulge": -999.,
+            "hlr_disk": -999.,
             "ell_bulge": 0.,
             "ell_disk": 0.,
             "ell_tot": 0.,
-            "e1_disk": 0.,
-            "e2_disk": 0.,
-            "e1_bulge": 0.,
-            "e2_bulge": 0.,
+            "e1_disk": -999.,
+            "e2_disk": -999.,
+            "e1_bulge": -999.,
+            "e2_bulge": -999.,
             "teff": 0.,
             "logg": 0.,
             "feh": 0.,

observation_sim/sim_steps/__init__.py

@@ -11,11 +11,11 @@ class SimSteps:
 
     from .prepare_headers import prepare_headers, updateHeaderInfo
     from .add_sky_background import add_sky_background_sci, add_sky_flat_calibration, add_sky_background
-    from .add_objects import add_objects
+    from .add_objects import add_objects, _is_obj_valid
     from .add_cosmic_rays import add_cosmic_rays
     from .add_pattern_noise import apply_PRNU, add_poisson_and_dark, add_detector_defects, add_nonlinearity, add_blooming, add_bias
     from .add_brighter_fatter_CTE import add_brighter_fatter, apply_CTE
-    from .readout_output import add_prescan_overscan, add_readout_noise, apply_gain, quantization_and_output
+    from .readout_output import add_prescan_overscan, add_readout_noise, apply_gain, quantization_and_output, add_crosstalk
     from .add_LED_flat import add_LED_Flat
 
 
@@ -37,4 +37,5 @@ SIM_STEP_TYPES = {
     "quantization_and_output": "quantization_and_output",
     "led_calib_model": "add_LED_Flat",
     "sky_flatField": "add_sky_flat_calibration",
+    "cross_talk": "add_crosstalk"
 }

observation_sim/sim_steps/add_objects.py

@@ -10,6 +10,22 @@ from observation_sim.psf import PSFGauss, FieldDistortion, PSFInterp, PSFInterpS
 from astropy.time import Time
 from datetime import datetime, timezone
 
+def _is_obj_valid(self, obj):
+    if obj.param['star'] == 4:
+        # Currently there's no parameter checks for 'calib' type
+        return True
+    pos_keys = ['ra', 'dec']
+    shape_keys = ['hlr_bulge', 'hlr_disk', 'e1_disk', 'e2_disk', 'e1_bulge', 'e2_bulge']
+    if any(obj.param[key] == -999. for key in pos_keys):
+        msg = 'One or more positional information (ra, dec) is missing'
+        self.chip_output.Log_error(msg)
+        return False
+    if obj.param['star'] == 0 and any(obj.param[key] == -999. for key in shape_keys):
+        msg = 'One or more shape information (hlr_bulge, hlr_disk, e1_disk, e2_disk, e1_bulge, e2_bulge) is missing'
+        self.chip_output.Log_error(msg)
+        return False
+    return True
+
 
 def add_objects(self, chip, filt, tel, pointing, catalog, obs_param):
 
@@ -85,6 +101,9 @@ def add_objects(self, chip, filt, tel, pointing, catalog, obs_param):
         #     break
         obj = cat.objs[j]
 
+        if not self._is_obj_valid(obj):
+            continue
+
         # load and convert SED; also caculate object's magnitude in all CSST bands
         try:
             sed_data = cat.load_sed(obj)
@@ -153,7 +172,7 @@ def add_objects(self, chip, filt, tel, pointing, catalog, obs_param):
         if pos_img.x == -1 or pos_img.y == -1:
             self.chip_output.Log_info('obj_ra = %.6f, obj_dec = %.6f, obj_ra_orig = %.6f, obj_dec_orig = %.6f' % (
                 obj.ra, obj.dec, obj.ra_orig, obj.dec_orig))
-            self.chip_output.Log_error("Objected missed: %s" % (obj.id))
+            self.chip_output.Log_error("Object missed: %s" % (obj.id))
             missed_obj += 1
             obj.unload_SED()
             continue
@@ -199,7 +218,7 @@ def add_objects(self, chip, filt, tel, pointing, catalog, obs_param):
                 pass
             elif isUpdated == 0:
                 missed_obj += 1
-                self.chip_output.Log_error("Objected missed: %s" % (obj.id))
+                self.chip_output.Log_error("Object missed: %s" % (obj.id))
             else:
                 self.chip_output.Log_error(
                     "Draw error, object omitted: %s" % (obj.id))