Commit be11dd52 authored by Fang Yuedong's avatar Fang Yuedong
Browse files

Merge branch 'master' of ssh://119.78.210.97:31415/data/simudata/CSSOSDataProductsSims/codes/CSST

parents 4e616043 be7e7bbc

ObservationSim/Instrument/Chip/Chip.py

+19 −6
Original line number Diff line number Diff line
@@ -316,9 +316,22 @@ class Chip(FocalPlane): 
            BoolDeadPix = False

        self.logger = logger



        # Get Poisson noise generator

        seed = int(config["random_seeds"]["seed_poisson"]) + pointing_ID*30 + self.chipID

        rng_poisson = galsim.BaseDeviate(seed)

        poisson_noise = galsim.PoissonNoise(rng_poisson, sky_level=0.)



        # Add sky background

        if sky_map is None:

            sky_map = filt.getSkyNoise(exptime=self.exptime)

            sky_map = sky_map * np.ones_like(img.array)

            sky_map = galsim.Image(array=sky_map)

            # Apply Poisson noise to the sky map

            # (NOTE): only for photometric chips

            # since it utilize the photon shooting

            # to draw stamps

            if self.survey_type == "photometric":

                sky_map.addNoise(poisson_noise)

        elif img.array.shape != sky_map.shape:

            raise ValueError("The shape img and sky_map must be equal.")

        elif tel is not None: # If sky_map is given in flux
@@ -361,10 +374,10 @@ class Chip(FocalPlane): 
                del shutt_gsimg

            del shuttimg



        # Add Poisson noise

        seed = int(config["random_seeds"]["seed_poisson"]) + pointing_ID*30 + self.chipID

        rng_poisson = galsim.BaseDeviate(seed)

        poisson_noise = galsim.PoissonNoise(rng_poisson, sky_level=0.)

        # Add Poisson noise to the resulting images

        # (NOTE): this can only applied to the slitless image

        # since it dose not use photon shooting to draw stamps

        if self.survey_type == "spectroscopic":

            img.addNoise(poisson_noise)



        # Add cosmic-rays
@@ -580,7 +593,7 @@ class Chip(FocalPlane): 
            if config["ins_effects"]["add_bias"] == True:

                biaslevel = self.bias_level

                overscan = biaslevel-2

            elif config["ins_effects"]["add_bias"] == True:

            elif config["ins_effects"]["add_bias"] == False:

                biaslevel = 0

                overscan = 0

            darklevel = self.dark_noise*(self.flat_exptime+0.5*self.readout_time)

setup.py

+1 −1
Original line number Diff line number Diff line
@@ -26,7 +26,7 @@ extensions = [ 




setup(name='CSSTSim', 

    version='0.5.1', 

    version='0.5.2', 

    packages=find_packages(),

    # install_requires=[

    #     'numpy>=1.18.5',