Commit d4b41c36 authored by Wei Chengliang's avatar Wei Chengliang
Browse files

update fits module

parent f5372672
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+17 −9
Original line number Diff line number Diff line
@@ -60,6 +60,9 @@ class Catalog(CatalogBase):

        with pkg_resources.path('Catalog.data', 'SLOAN_SDSS.g.fits') as filter_path:
            self.normF_star = Table.read(str(filter_path))
        with pkg_resources.path('Catalog.data', 'lsst_throuput_g.fits') as filter_path:
            self.normF_galaxy = Table.read(str(filter_path))

        
        self.config = config
        self.chip = chip
@@ -138,8 +141,8 @@ class Catalog(CatalogBase):
            return None
        ###mock_stamp_START
        elif obj.type == "stamp":
            #return self.normF_galaxy  ###normalize_filter for stamp
            return None
            return self.normF_galaxy  ###normalize_filter for stamp
            #return None
        ###mock_stamp_END
        else:
            return None
@@ -197,8 +200,8 @@ class Catalog(CatalogBase):

        for igals in range(ngals):
            # # (TEST)
            # if igals > 100:
            #     break
            if igals > 2000:
                break
            
            param = self.initialize_param()
            param['ra'] = ra_arr[igals]
@@ -321,8 +324,8 @@ class Catalog(CatalogBase):
            )
        for istars in range(nstars):
            # # (TEST)
            # if istars > 100:
            #     break
            if istars > 100:
                break

            param = self.initialize_param()
            param['ra'] = ra_arr[istars]
@@ -389,6 +392,9 @@ class Catalog(CatalogBase):
                input_time_str=time_str
            )
        for iAGNs in range(nAGNs):
            if iAGNs > 100:
                break

            param = self.initialize_param()
            param['ra'] = ra_arr[iAGNs]
            param['dec'] = dec_arr[iAGNs]
@@ -425,13 +431,15 @@ class Catalog(CatalogBase):
        self.ud = galsim.UniformDeviate(pix_id)

        for istamp in range(nstamps):
            print('DEBUG:::istamp=', istamp)

            fitsfile = os.path.join(self.cat_dir, "stampCats/"+stamps['filename'][istamp].decode('utf-8'))
            hdu=fitsio.open(fitsfile)

            param = self.initialize_param()
            param['id']   = hdu[0].header['index'] #istamp
            param['star'] = 3      # Stamp type in .cat file
            param['lensGalaxyID'] = hdu[0].header['lensGID']
            ###param['lensGalaxyID'] = hdu[0].header['lensGID']
            param['ra'] = hdu[0].header['ra']
            param['dec']= hdu[0].header['dec']
            param['pixScale']= hdu[0].header['pixScale']
@@ -440,9 +448,9 @@ class Catalog(CatalogBase):
            #param['PA']= hdu[0].header['PA']
            #param['bfrac']= hdu[0].header['bfrac']
            #param['z']= hdu[0].header['z']
            param['mag_use_normal'] = 22 #hdu[0].header['m_normal'] #gals['mag_true_g_lsst']
            param['mag_use_normal'] = 20 #hdu[0].header['m_normal'] #gals['mag_true_g_lsst']

            assert(stamps['lensGID'][istamp] == param['lensGalaxyID'])
            ###assert(stamps['lensGID'][istamp] == param['lensGalaxyID'])

            # Apply astrometric modeling
            # in C3 case only aberration
+213 −53
Original line number Diff line number Diff line
import os, sys
import random
import numpy as np
import galsim
import astropy.constants as cons
from astropy.table import Table
from scipy import interpolate

import astropy.io.fits as fitsio

import galsim
import gc
from ObservationSim.MockObject.MockObject import MockObject

from ObservationSim.MockObject._util import magToFlux,VC_A
from ObservationSim.MockObject.SpecDisperser import SpecDisperser
from ObservationSim.MockObject._util import eObs, integrate_sed_bandpass, getNormFactorForSpecWithABMAG, getObservedSED, getABMAG,convolveGaussXorders

class Stamp(MockObject):
    def __init__(self, param):
        super().__init__(param)
    def __init__(self, param, logger=None):
        super().__init__(param, logger=logger)

    def unload_SED(self):
        """(Test) free up SED memory
@@ -35,9 +30,9 @@ class Stamp(MockObject):
            self.logger.error(e)
            return False

        nphotons_sum = 0
        photons_list = []
        xmax, ymax = 0, 0
        #nphotons_sum = 0
        #photons_list = []
        #xmax, ymax = 0, 0

        if self.getMagFilter(filt) <= 15:
            folding_threshold = 5.e-4
@@ -46,7 +41,7 @@ class Stamp(MockObject):
        gsp = galsim.GSParams(folding_threshold=folding_threshold)

        self.real_pos = self.getRealPos(chip.img, global_x=self.posImg.x, global_y=self.posImg.y,
                                        img_real_wcs=self.real_wcs)
                                        img_real_wcs=self.chip_wcs)

        x, y = self.real_pos.x + 0.5, self.real_pos.y + 0.5
        x_nominal = int(np.floor(x + 0.5))
@@ -55,72 +50,237 @@ class Stamp(MockObject):
        dy = y - y_nominal
        offset = galsim.PositionD(dx, dy)

        real_wcs_local = self.real_wcs.local(self.real_pos)
        chip_wcs_local = self.chip_wcs.local(self.real_pos)
        is_updated = 0

        if fd_shear:
            g1 += fd_shear.g1
            g2 += fd_shear.g2
        gal_shear = galsim.Shear(g1=g1, g2=g2)

        for i in range(len(bandpass_list)):
            bandpass = bandpass_list[i]

            try:
                sub = integrate_sed_bandpass(sed=self.sed, bandpass=bandpass)
            except Exception as e:
                print(e)
                if self.logger:
                    self.logger.error(e)
                # return False
                continue

            ratio = sub/full
            if not (ratio == -1 or (ratio != ratio)):
                nphotons = ratio * nphotons_tot
            else:
                # return False
                continue
            nphotons_sum += nphotons
            #nphotons_sum += nphotons

            psf, pos_shear = psf_model.get_PSF(chip=chip, pos_img=pos_img, bandpass=bandpass, folding_threshold=folding_threshold)

            _gal  = self.param['image']
            galIm = galsim.ImageF(_gal, scale=self.param['pixScale'])
            gal   = galsim.InterpolatedImage(galIm)
            gal   = gal.withFlux(nphotons)
            #gal_shear = galsim.Shear(g1=g1, g2=g2)
            #gal = gal.shear(gal_shear)

            gal = galsim.Convolve(psf, gal)
            if fd_shear is not None:
                gal = gal.shear(fd_shear)
            galImg= galsim.ImageF(_gal, scale=self.param['pixScale'])
            gal_temp= galsim.InterpolatedImage(galImg)
            gal_temp= gal_temp.shear(gal_shear)
            gal_temp= gal_temp.withFlux(nphotons)

            stamp = gal.drawImage(wcs=real_wcs_local, method='phot', offset=self.offset, save_photons=True)
            gal_temp= galsim.Convolve(psf, gal_temp)

            xmax = max(xmax, stamp.xmax - stamp.xmin)
            ymax = max(ymax, stamp.ymax - stamp.ymin)

            photons = stamp.photons
            photons.x += x_nominal
            photons.y += y_nominal
            photons_list.append(photons)
            del gal
            if i == 0:
                gal = gal_temp
            else:
                gal = gal + gal_temp

        # print('xmax = %d, ymax = %d '%(xmax, ymax))
        stamp = gal.drawImage(wcs=chip_wcs_local, offset=offset)
        if np.sum(np.isnan(stamp.array)) > 0:
            # ERROR happens
            return 2, pos_shear

        stamp = galsim.ImageF(int(xmax*1.1), int(ymax*1.1))
        stamp.wcs = real_wcs_local
        stamp.setCenter(x_nominal, y_nominal)
        bounds = stamp.bounds & galsim.BoundsI(0, chip.npix_x - 1, 0, chip.npix_y - 1)

        if bounds.area() > 0:
            chip.img.setOrigin(0, 0)
            stamp[bounds] = chip.img[bounds]
            for i in range(len(photons_list)):
                if i == 0:
                    chip.sensor.accumulate(photons_list[i], stamp)
            chip.img[bounds] += stamp[bounds]
            is_updated = 1
            chip.img.setOrigin(chip.bound.xmin, chip.bound.ymin)
            del stamp

        if is_updated == 0:
            print("fits obj %s missed"%(self.id))
            if self.logger:
                self.logger.info("fits obj %s missed"%(self.id))
            return 0, pos_shear

        return 1, pos_shear


    def drawObj_slitless(self, tel, pos_img, psf_model, bandpass_list, filt, chip, nphotons_tot=None, g1=0, g2=0,
                         exptime=150., normFilter=None, grating_split_pos=3685, fd_shear=None):
        if normFilter is not None:
            norm_thr_rang_ids = normFilter['SENSITIVITY'] > 0.001
            sedNormFactor = getNormFactorForSpecWithABMAG(ABMag=self.param['mag_use_normal'], spectrum=self.sed,
                                                        norm_thr=normFilter,
                                                        sWave=np.floor(normFilter[norm_thr_rang_ids][0][0]),
                                                        eWave=np.ceil(normFilter[norm_thr_rang_ids][-1][0]))
            if sedNormFactor == 0:
                return 2, None
        else:
                    chip.sensor.accumulate(photons_list[i], stamp, resume=True)
            sedNormFactor = 1.
        normalSED = Table(np.array([self.sed['WAVELENGTH'], self.sed['FLUX'] * sedNormFactor]).T,
                          names=('WAVELENGTH', 'FLUX'))

            chip.img[bounds] = stamp[bounds]
        self.real_pos = self.getRealPos(chip.img, global_x=self.posImg.x, global_y=self.posImg.y,
                                        img_real_wcs=self.chip_wcs)

            chip.img.setOrigin(chip.bound.xmin, chip.bound.ymin)
        x, y = self.real_pos.x + 0.5, self.real_pos.y + 0.5
        x_nominal = int(np.floor(x + 0.5))
        y_nominal = int(np.floor(y + 0.5))
        dx = x - x_nominal
        dy = y - y_nominal
        offset = galsim.PositionD(dx, dy)

        del photons_list
        del stamp
        gc.collect()
        return True, pos_shear
        chip_wcs_local = self.chip_wcs.local(self.real_pos)


        if self.getMagFilter(filt) <= 15:
            folding_threshold = 5.e-4
        else:
            folding_threshold = 5.e-3
        gsp = galsim.GSParams(folding_threshold=folding_threshold)
        # nphotons_sum = 0

        flat_cube = chip.flat_cube

        xOrderSigPlus = {'A':1.3909419820029296,'B':1.4760376591236062,'C':4.035447379743442,'D':5.5684364343742825,'E':16.260021029735388}
        grating_split_pos_chip = 0 + grating_split_pos

        branges = np.zeros([len(bandpass_list), 2])

        # print(hasattr(psf_model, 'bandranges'))

        if hasattr(psf_model, 'bandranges'):
            if psf_model.bandranges is None:
                return 2, None
            if len(psf_model.bandranges) != len(bandpass_list):
                return 2, None
            branges = psf_model.bandranges
        else:
            for i in range(len(bandpass_list)):
                branges[i, 0] = bandpass_list[i].blue_limit * 10
                branges[i, 1] = bandpass_list[i].red_limit * 10

        for i in range(len(bandpass_list)):
            # bandpass = bandpass_list[i]
            brange = branges[i]

            # psf, pos_shear = psf_model.get_PSF(chip=chip, pos_img=pos_img, bandpass=bandpass, folding_threshold=folding_threshold)

            _gal  = self.param['image']
            galImg= galsim.ImageF(_gal, scale=self.param['pixScale'])
            gal   = galsim.InterpolatedImage(galImg)

            # (TEST) Random knots
            # knots = galsim.RandomKnots(npoints=100, profile=disk)
            # kfrac = np.random.random()*(1.0 - self.bfrac)
            # gal = self.bfrac * bulge + (1.0 - self.bfrac - kfrac) * disk + kfrac * knots

            gal = gal.withFlux(tel.pupil_area * exptime)
            if fd_shear:
                g1 += fd_shear.g1
                g2 += fd_shear.g2
            gal_shear = galsim.Shear(g1=g1, g2=g2)
            gal = gal.shear(gal_shear)
            # gal = galsim.Convolve(psf, gal)

            # if not big_galaxy: # Not apply PSF for very big galaxy
            #     gal = galsim.Convolve(psf, gal)
            #     # if fd_shear is not None:
            #     #     gal = gal.shear(fd_shear)

            starImg = gal.drawImage(wcs=chip_wcs_local, offset=offset,method = 'real_space')

            origin_star = [y_nominal - (starImg.center.y - starImg.ymin),
                           x_nominal - (starImg.center.x - starImg.xmin)]
            starImg.setOrigin(0, 0)
            gal_origin = [origin_star[0], origin_star[1]]
            gal_end = [origin_star[0] + starImg.array.shape[0] - 1, origin_star[1] + starImg.array.shape[1] - 1]

            if gal_origin[1] < grating_split_pos_chip < gal_end[1]:
                subSlitPos = int(grating_split_pos_chip - gal_origin[1] + 1)
                ## part img disperse

                subImg_p1 = starImg.array[:, 0:subSlitPos]
                star_p1 = galsim.Image(subImg_p1)
                star_p1.setOrigin(0, 0)
                origin_p1 = origin_star
                xcenter_p1 = min(x_nominal,grating_split_pos_chip-1) - 0
                ycenter_p1 = y_nominal-0

                sdp_p1 = SpecDisperser(orig_img=star_p1, xcenter=xcenter_p1,
                                    ycenter=ycenter_p1, origin=origin_p1,
                                    tar_spec=normalSED,
                                    band_start=brange[0], band_end=brange[1],
                                    conf=chip.sls_conf[0],
                                    isAlongY=0,
                                    flat_cube=flat_cube)

                # self.addSLStoChipImage(sdp=sdp_p1, chip=chip, xOrderSigPlus = xOrderSigPlus, local_wcs=chip_wcs_local)
                pos_shear = self.addSLStoChipImageWithPSF(sdp=sdp_p1, chip=chip, pos_img_local=[xcenter_p1, ycenter_p1],
                                                          psf_model=psf_model, bandNo=i + 1,
                                                          grating_split_pos=grating_split_pos,
                                                          local_wcs=chip_wcs_local, pos_img = pos_img)

                subImg_p2 = starImg.array[:, subSlitPos+1:starImg.array.shape[1]]
                star_p2 = galsim.Image(subImg_p2)
                star_p2.setOrigin(0, 0)
                origin_p2 = [origin_star[0], grating_split_pos_chip]
                xcenter_p2 = max(x_nominal, grating_split_pos_chip - 1) - 0
                ycenter_p2 = y_nominal - 0

                sdp_p2 = SpecDisperser(orig_img=star_p2, xcenter=xcenter_p2,
                                       ycenter=ycenter_p2, origin=origin_p2,
                                       tar_spec=normalSED,
                                       band_start=brange[0], band_end=brange[1],
                                       conf=chip.sls_conf[1],
                                       isAlongY=0,
                                       flat_cube=flat_cube)

                # self.addSLStoChipImage(sdp=sdp_p2, chip=chip, xOrderSigPlus = xOrderSigPlus, local_wcs=chip_wcs_local)
                pos_shear = self.addSLStoChipImageWithPSF(sdp=sdp_p2, chip=chip, pos_img_local=[xcenter_p2, ycenter_p2],
                                                          psf_model=psf_model, bandNo=i + 1,
                                                          grating_split_pos=grating_split_pos,
                                                          local_wcs=chip_wcs_local, pos_img = pos_img)

                del sdp_p1
                del sdp_p2
            elif grating_split_pos_chip<=gal_origin[1]:
                sdp = SpecDisperser(orig_img=starImg, xcenter=x_nominal - 0,
                                    ycenter=y_nominal - 0, origin=origin_star,
                                    tar_spec=normalSED,
                                    band_start=brange[0], band_end=brange[1],
                                    conf=chip.sls_conf[1],
                                    isAlongY=0,
                                    flat_cube=flat_cube)
                # self.addSLStoChipImage(sdp=sdp, chip=chip, xOrderSigPlus = xOrderSigPlus, local_wcs=chip_wcs_local)
                pos_shear = self.addSLStoChipImageWithPSF(sdp=sdp, chip=chip, pos_img_local=[x_nominal, y_nominal],
                                                          psf_model=psf_model, bandNo=i + 1,
                                                          grating_split_pos=grating_split_pos,
                                                          local_wcs=chip_wcs_local, pos_img = pos_img)
                del sdp
            elif grating_split_pos_chip>=gal_end[1]:
                sdp = SpecDisperser(orig_img=starImg, xcenter=x_nominal - 0,
                                    ycenter=y_nominal - 0, origin=origin_star,
                                    tar_spec=normalSED,
                                    band_start=brange[0], band_end=brange[1],
                                    conf=chip.sls_conf[0],
                                    isAlongY=0,
                                    flat_cube=flat_cube)
                # self.addSLStoChipImage(sdp=sdp, chip=chip, xOrderSigPlus = xOrderSigPlus, local_wcs=chip_wcs_local)
                pos_shear = self.addSLStoChipImageWithPSF(sdp=sdp, chip=chip, pos_img_local=[x_nominal, y_nominal],
                                                          psf_model=psf_model, bandNo=i + 1,
                                                          grating_split_pos=grating_split_pos,
                                                          local_wcs=chip_wcs_local, pos_img = pos_img)
                del sdp

            # print(self.y_nominal, starImg.center.y, starImg.ymin)
            # del psf
        return 1, pos_shear
+52 −36
Original line number Diff line number Diff line
@@ -9,9 +9,11 @@
# 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/simudata/CSSOSDataProductsSims/data/CSSTSimImage_C6/"
work_dir: "/share/simudata/CSSOSDataProductsSims/data/CSSTSimImage_C8/"
data_dir: "/share/simudata/CSSOSDataProductsSims/data/"
run_name: "C6_fits_testRun"
run_name: "testRun_fits"
project_cycle: 6
run_counter: 1

# Whether to use MPI
run_option:
@@ -46,7 +48,7 @@ catalog_options:
    #stamp_SED:

  # Only simulate stars?
  star_only: NO
  star_only: YES

  # Only simulate galaxies?
  galaxy_only: NO
@@ -63,12 +65,22 @@ catalog_options:
# Observation setting
###############################################
obs_setting:

  # Options for survey types:
  # "Photometric": simulate photometric chips only
  # "Spectroscopic": simulate slitless spectroscopic chips only
  # "FGS": simulate FGS chips only (31-42)
  # "All": simulate full focal plane
  survey_type: "Photometric"
  # "CALIBRATION": falt, bias, dark with or without postflash
  survey_type: "All"
  # "LED": ['LED1','LED2','LED3','LED4','LED5','LED6','LED7','LED8','LED9','LED10','LED11','LED12','LED13','LED14'] or null
  # 'LED1': '275', 'LED2': '310', 'LED3': '430', 'LED4': '505', 'LED5': '545', 'LED6': '590', 'LED7': '670',
  # 'LED8': '760', 'LED9': '940', 'LED10': '940', 'LED11': '1050', 'LED12': '1050','LED13': '340', 'LED14': '365'
  # LED_TYPE: ['LED5']
  # LED_TIME: [1.]
  # # unit e- ,flat level
  # FLAT_LEVEL: 20000
  # FLAT_LEVEL_FIL: 'g'

  # Exposure time [seconds]
  exp_time: 150.
@@ -79,10 +91,10 @@ obs_setting:

  # Default Pointing [degrees]
  # Note: NOT valid when a pointing list file is specified
  ra_center: 244.972773
  dec_center:  39.895901
  ra_center: 192.8595
  dec_center:  27.1283
  # Image rotation [degree]
  image_rot: 109.59
  image_rot: -113.4333

  # (Optional) a file of point list
  # if you just want to run default pointing:
@@ -90,8 +102,6 @@ obs_setting:
  # - pointing_file: null
  pointing_dir: "/share/simudata/CSSOSDataProductsSims/data/"
  pointing_file: "pointing_radec_246.5_40.dat"
  # pointing_dir: null
  # pointing_file: null

  # Number of calibration pointings
  np_cal: 0
@@ -106,16 +116,20 @@ obs_setting:
  # - give a list of indexes of chips: [ip_1, ip_2...]
  # - run all chips: null
  # Note: for all pointings
  run_chips: [7]
  run_chips: [1, 2, 3, 7, 8, 9]

  # Whether to enable astrometric modeling
  enable_astrometric_model: False
  enable_astrometric_model: True

  # Whether to enable straylight model
  enable_straylight_model: True

  # Cut by saturation magnitude in which band?
  cut_in_band: "z"

  # saturation magnitude margin
  mag_sat_margin: -2.5
  # mag_sat_margin: -2.5
  mag_sat_margin: -15.

  # limiting magnitude margin
  mag_lim_margin: +1.0
@@ -138,7 +152,7 @@ psf_setting:
  # path to PSF data
  # NOTE: only valid for "Interp" PSF
  psf_dir: "/share/simudata/CSSOSDataProductsSims/data/psfCube1"

  psf_sls_dir: "/share/simudata/CSSOSDataProductsSims/data/SLS_PSF_PCA_fp/"
###############################################
# Shear setting
###############################################
@@ -160,25 +174,27 @@ ins_effects:
  # switches
  # Note: bias_16channel, gain_16channel, and shutter_effect
  # is currently not applicable to "FGS" observations
  field_dist:     OFF # Whether to add field distortions
  add_back:       OFF # Whether to add sky background
  add_dark:       OFF # Whether to add dark noise
  add_readout:    OFF # Whether to add read-out (Gaussian) noise
  add_bias:       OFF # Whether to add bias-level to images
  bias_16channel: OFF # Whether to add different biases for 16 channels
  gain_16channel: OFF # Whether to make different gains for 16 channels
  shutter_effect: OFF # Whether to add shutter effect
  flat_fielding:  OFF # Whether to add flat-fielding effect
  prnu_effect:    OFF # Whether to add PRNU effect
  non_linear:     OFF # Whether to add non-linearity
  cosmic_ray:     OFF # Whether to add cosmic-ray
  cray_differ:    OFF # Whether to generate different cosmic ray maps CAL and MS output
  cte_trail:      OFF # Whether to simulate CTE trails
  saturbloom:     OFF # Whether to simulate Saturation & Blooming
  add_badcolumns: OFF # Whether to add bad columns
  add_hotpixels:  OFF # Whether to add hot pixels
  add_deadpixels: OFF # Whether to add dead(dark) pixels
  bright_fatter:  OFF # Whether to simulate Brighter-Fatter (also diffusion) effect
  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:      NO   # Whether to simulate CTE trails, CTI_lgl_v0.3.tar.gz
  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
  add_prescan:    NO   # Whether to add pre/over-scan
  format_output:  NO  ##1*16 output

  # Values: 
  # default values have been defined individually for each chip in: