grid galaxy for wcs_test

ObservationSim/MockObject/Galaxy.py

@@ -138,11 +138,11 @@ class Galaxy(MockObject):
         real_wcs_local = self.real_wcs.local(self.real_pos)
 
         disk = galsim.Sersic(n=self.disk_sersic_idx, half_light_radius=self.hlr_disk, flux=1.0, gsparams=gsp)
-        disk_shape = galsim.Shear(g1=self.e1_disk, g2=self.e2_disk)
-        disk = disk.shear(disk_shape)
+        ###disk_shape = galsim.Shear(g1=self.e1_disk, g2=self.e2_disk)
+        ###disk = disk.shear(disk_shape)
         bulge = galsim.Sersic(n=self.bulge_sersic_idx, half_light_radius=self.hlr_bulge, flux=1.0, gsparams=gsp)
-        bulge_shape = galsim.Shear(g1=self.e1_bulge, g2=self.e2_bulge)
-        bulge = bulge.shear(bulge_shape)
+        ###bulge_shape = galsim.Shear(g1=self.e1_bulge, g2=self.e2_bulge)
+        ###bulge = bulge.shear(bulge_shape)
 
         for i in range(len(bandpass_list)):
             bandpass = bandpass_list[i]

ObservationSim/ObservationSim.py

@@ -116,7 +116,7 @@ class Observation(object):
         chip_output.Log_info(filt.sky_background)
 
         # [TODO] [TEST]
-        return
+        #return
 
         if chip.survey_type == "photometric":
             sky_map = None
@@ -195,11 +195,16 @@ class Observation(object):
             
             chip_wcs = galsim.FitsWCS(header=h_ext)
 
+            nnn = 30
+            NNObj = nnn*nnn #484 ###
+            tt = 0
             for j in range(self.nobj):
                 
                 # (DEBUG)
                 # if j >= 10:
                 #     break
+                if NNObj == 0:
+                    continue
 
                 obj = self.cat.objs[j]
 
@@ -258,6 +263,20 @@ class Observation(object):
                 # Get position of object on the focal plane
                 pos_img, offset, local_wcs, real_wcs, fd_shear = obj.getPosImg_Offset_WCS(img=chip.img, fdmodel=self.fd_model, chip=chip, verbose=False, chip_wcs=chip_wcs, img_header=h_ext)
 
+                ### set pos_img
+                if True:
+                    ngal_x = nnn #22 #sampling ngal_x*ngal_y position on current CCD-chip
+                    ngal_y = nnn #22
+                    xmin = chip.bound.xmin +256
+                    ymin = chip.bound.ymin +256
+                    jj = NNObj-1 ###np.random.randint(int(ngal_x*ngal_y)) #set position for galaxy-jj
+                    iy = int(jj / ngal_x)
+                    ix = int(jj - iy*ngal_x)
+                    px = xmin + ix*int((chip.npix_x - 512)/ngal_x)
+                    py = ymin + iy*int((chip.npix_y - 512)/ngal_y)
+                    pos_img.x = px
+                    pos_img.y = py
+
                 # [TODO] For now, only consider objects which their centers (after field distortion) are projected within the focal plane
                 # Otherwise they will be considered missed objects
                 # if pos_img.x == -1 or pos_img.y == -1 or (not chip.isContainObj(x_image=pos_img.x, y_image=pos_img.y, margin=0.)):
@@ -304,6 +323,7 @@ class Observation(object):
                     if isUpdated == 1:
                         # TODO: add up stats
                         chip_output.cat_add_obj(obj, pos_img, pos_shear)
+                        NNObj = NNObj-1 ###
                         pass
                     elif isUpdated == 0:
                         missed_obj += 1

config/config_C6.yaml

@@ -9,10 +9,9 @@
 # Base diretories and naming setup
 # Can add some of the command-line arguments here as well;
 # OK to pass either way or both, as long as they are consistent
-work_dir: "/share/home/fangyuedong/csst-simulation/workplace/"
+work_dir: "/share/simudata/CSSOSDataProductsSims/data/CSSTSimImage_C6/"
 data_dir: "/share/simudata/CSSOSDataProductsSims/data/"
-run_name: "C6_test"
-run_name: "C6_test"
+run_name: "C6_wcs_test1"
 
 # Whether to use MPI
 run_option:
@@ -48,7 +47,7 @@ catalog_options:
   star_only: NO
 
   # Only simulate galaxies?
-  galaxy_only: NO
+  galaxy_only: YES
 
   # rotate galaxy ellipticity
   rotateEll: 0. # [degree]
@@ -95,20 +94,21 @@ obs_setting:
   # - give a list of indexes of pointings: [ip_1, ip_2...]
   # - run all pointings: null
   # Note: only valid when a pointing list is specified
-  run_pointings: [0,1,2,3,4]
+  run_pointings: [0,1,2,3,4,5,6,7,8,9]
+  #run_pointings: [0,1,2,3,4,5]
   
   # Run specific chip(s):
   # - give a list of indexes of chips: [ip_1, ip_2...]
   # - run all chips: null
   # Note: for all pointings
-  run_chips: null
-  run_chips: null
+  run_chips: [8, 23]
+  #run_chips: null
 
   # Whether to enable astrometric modeling
-  enable_astrometric_model: True
+  enable_astrometric_model: False
 
   # Whether to enable straylight model
-  enable_straylight_model: True
+  enable_straylight_model: False
 
   # Cut by saturation magnitude in which band?
   cut_in_band: "z"
@@ -127,7 +127,7 @@ psf_setting:
   # Which PSF model to use:
   # "Gauss": simple gaussian profile
   # "Interp": Interpolated PSF from sampled ray-tracing data
-  psf_model: "Interp"
+  psf_model: "Gauss"
 
   # PSF size [arcseconds]
   # radius of 80% energy encircled
@@ -149,8 +149,8 @@ shear_setting:
   shear_type: "catalog"
 
   # For constant shear filed
-  reduced_g1: 0.
-  reduced_g2: 0.
+  reduced_g1: -0.02
+  reduced_g2: -0.04
 
 ###############################################
 # Instrumental effects setting
@@ -159,25 +159,25 @@ ins_effects:
   # switches
   # Note: bias_16channel, gain_16channel, and shutter_effect
   # is currently not applicable to "FGS" observations
-  field_dist:     YES  # Whether to add field distortions
-  add_back:       YES  # Whether to add sky background
-  add_dark:       YES  # Whether to add dark noise
-  add_readout:    YES  # Whether to add read-out (Gaussian) noise
-  add_bias:       YES  # Whether to add bias-level to images
-  bias_16channel: YES  # Whether to add different biases for 16 channels
-  gain_16channel: YES  # Whether to make different gains for 16 channels
-  shutter_effect: YES  # Whether to add shutter effect
-  flat_fielding:  YES  # Whether to add flat-fielding effect
-  prnu_effect:    YES  # Whether to add PRNU effect
-  non_linear:     YES  # Whether to add non-linearity
-  cosmic_ray:     YES  # Whether to add cosmic-ray
-  cray_differ:    YES  # Whether to generate different cosmic ray maps CAL and MS output
-  cte_trail:      YES  # Whether to simulate CTE trails
-  saturbloom:     YES  # Whether to simulate Saturation & Blooming
-  add_badcolumns: YES  # Whether to add bad columns
-  add_hotpixels:  YES  # Whether to add hot pixels
-  add_deadpixels: YES  # Whether to add dead(dark) pixels
-  bright_fatter:  YES  # Whether to simulate Brighter-Fatter (also diffusion) effect
+  field_dist:     NO  # Whether to add field distortions
+  add_back:       NO  # Whether to add sky background
+  add_dark:       NO  # Whether to add dark noise
+  add_readout:    NO  # Whether to add read-out (Gaussian) noise
+  add_bias:       NO  # Whether to add bias-level to images
+  bias_16channel: NO  # Whether to add different biases for 16 channels
+  gain_16channel: NO  # Whether to make different gains for 16 channels
+  shutter_effect: NO  # Whether to add shutter effect
+  flat_fielding:  NO  # Whether to add flat-fielding effect
+  prnu_effect:    NO  # Whether to add PRNU effect
+  non_linear:     NO  # Whether to add non-linearity
+  cosmic_ray:     NO  # Whether to add cosmic-ray
+  cray_differ:    NO  # Whether to generate different cosmic ray maps CAL and MS output
+  cte_trail:      NO  # Whether to simulate CTE trails
+  saturbloom:     NO  # Whether to simulate Saturation & Blooming
+  add_badcolumns: NO  # Whether to add bad columns
+  add_hotpixels:  NO  # Whether to add hot pixels
+  add_deadpixels: NO  # Whether to add dead(dark) pixels
+  bright_fatter:  NO  # Whether to simulate Brighter-Fatter (also diffusion) effect
 
   # Values: 
   # default values have been defined individually for each chip in:
@@ -219,4 +219,4 @@ random_seeds:
   seed_badcolumns:      20240309  # Seed for bad columns
   seed_defective:       20210304  # Seed for defective (bad) pixels
   seed_readout:         20210601  # Seed for read-out gaussian noise
-...
+...
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