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test_prescan_overscan.py 2.24 KB
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append unittest  
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import unittest

import sys,os,math
from itertools import islice
import numpy as np
import galsim
import yaml

from ObservationSim.Instrument import Chip, Filter, FilterParam, FocalPlane
from ObservationSim.Instrument.Chip import ChipUtils as chip_utils


def defineCCD(iccd, config_file):
    with open(config_file, "r") as stream:
        try:
            config = yaml.safe_load(stream)
            #for key, value in config.items():
            #    print (key + " : " + str(value))
        except yaml.YAMLError as exc:
            print(exc)
    chip = Chip(chipID=iccd, config=config)
    chip.img = galsim.ImageF(chip.npix_x, chip.npix_y)
    focal_plane = FocalPlane(chip_list=[iccd])
    chip.img.wcs= focal_plane.getTanWCS(192.8595, 27.1283, -113.4333*galsim.degrees, chip.pix_scale)
    return chip

def defineFilt(chip):
    filter_param = FilterParam()
    filter_id, filter_type = chip.getChipFilter()
    filt = Filter(
        filter_id=filter_id,
        filter_type=filter_type,
        filter_param=filter_param,
        ccd_bandpass=chip.effCurve)
    bandpass_list = filt.bandpass_sub_list
    return bandpass_list


class detModule_coverage(unittest.TestCase):
    def __init__(self, methodName='runTest'):
        super(detModule_coverage, self).__init__(methodName)
        self.dataPath = "/public/home/chengliang/CSSOSDataProductsSims/csst-simulation/tests/UNIT_TEST_DATA" ##os.path.join(os.getenv('UNIT_TEST_DATA_ROOT'), 'csst_fz_gc1')
        self.iccd = 1

    def test_add_prescan_overscan(self):
        config_file = os.path.join(self.dataPath, 'config_test.yaml')
        chip = defineCCD(self.iccd, config_file)
        bandpass = defineFilt(chip)
        print(chip.chipID)
        print(chip.cen_pix_x, chip.cen_pix_y)

        chip.img = chip_utils.AddPreScan(GSImage=chip.img,
                                pre1=chip.prescan_x,
                                pre2=chip.prescan_y,
                                over1=chip.overscan_x,
                                over2=chip.overscan_y)

        self.assertTrue( (chip.prescan_x+chip.overscan_x)*8+chip.npix_x == np.shape(chip.img.array)[1] )
        self.assertTrue( (chip.prescan_y+chip.overscan_y)*2+chip.npix_y == np.shape(chip.img.array)[0] )


if __name__ == '__main__':
    unittest.main()