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add test function for the NIRCam DHS support. #857

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merged 2 commits into from
May 22, 2024
Merged

add test function for the NIRCam DHS support. #857

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add a CI test function for the NIRCam DHS support. Follow up to #845
mperrin May 21, 2024
d27c878
pep8
mperrin May 21, 2024
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12 changes: 12 additions & 0 deletions webbpsf/tests/test_nircam.py
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Original file line number Diff line number Diff line change
Expand Up @@ -640,3 +640,15 @@ def test_ways_to_specify_detectors():

nrc.detector = 'nrcblong'
assert nrc.detector == 'NRCB5', "nrcblong should be synonymous to nrcb5"


def test_dhs():
"""Basic test that it's possible to calculate a PSF for one of the NIRCam DHS subapertures"""
nrc = webbpsf_core.NIRCam()

nrc.pupil_mask = 'DHS_07'

psf = nrc.calc_psf(monochromatic=2e-6)

assert isinstance(psf, fits.HDUList), "the returned PSF should be a FITS HDUList"
assert 0.03 < psf[0].data.sum() < 0.05, "a DHS aperture should have low throughput around a few percent"
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