Example #1
0
def test_update_file_column_dtype(backup_file):
    append_hjd_correction_column(backup_file, column_name='hjd_correction')

    with fitsio.FITS(backup_file) as infile:
        column = infile[1]['hjd_correction'].read()

    assert column.dtype.type == dtype(float64)
Example #2
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def test_update_file_column_dtype(backup_file):
    append_hjd_correction_column(backup_file, column_name='hjd_correction')

    with fitsio.FITS(backup_file) as infile:
        column = infile[1]['hjd_correction'].read()

    assert column.dtype.type == dtype(float64)
Example #3
0
def wcs_photom(image,cat_file='nocat',conf_file='noconf',appsize=2.0,verbose=False):

    if not wcs_succeeded(image):
        return 'failed'

    outname = image + '.phot'

    casutools.imcore_list(image, cat_file, outname, confidence_map=conf_file,rcore=appsize, noell=True,
                        verbose=verbose)

     #      do some quality checks

    factor = 5
    size = 11
    stars = 1000
    side = 3 #how many subdevisions of the chip along each axis. must be odd.


    fwhm_a, fwhm_b, t = call_find_fwhm(image,cat_file,factor,size,stars,tag=image,side=side)
         
    frame_ston = compute_frame_signal_to_noise(image)

    pf.setval(outname,'FRAME_SN',1,value=round(frame_ston,2),comment='A measure of bulk structure in the image (S/N)')
    positions = ['Top left.','Top middle.','Top right.','Middle left.','Center.','Middle right.','Bottom left.','Bottom middle.','Bottom right.']

    for val in range(1,10):
        pf.setval(outname,'PSF_a_'+str(val),1,value=fwhm_a['f_'+str(val)][0],comment='[pixels] psf long axis FWHM. '+positions[val-1])
        pf.setval(outname,'PSF_b_'+str(val),1,value=fwhm_b['f_'+str(val)][0],comment='[pixels] psf short axis FWHM. '+positions[val-1])
        pf.setval(outname,'PSF_t_'+str(val),1,value=t['f_'+str(val)][0],comment='[degrees] psf rotation angle. '+positions[val-1])

    # Compute the HJD values
    append_hjd_correction_column(outname)

    return 'ok'
Example #4
0
def test_update_file_column_present(backup_file):
    before_column_names = get_column_names(backup_file)
    assert 'hjd' not in before_column_names

    append_hjd_correction_column(backup_file, column_name='hjd')

    after_column_names = get_column_names(backup_file)
    assert 'hjd' in after_column_names
Example #5
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def test_update_file_column_present(backup_file):
    before_column_names = get_column_names(backup_file)
    assert 'hjd' not in before_column_names

    append_hjd_correction_column(backup_file, column_name='hjd')

    after_column_names = get_column_names(backup_file)
    assert 'hjd' in after_column_names
Example #6
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def test_default_column_name(backup_file):
    target = 'hjd_correction'
    before_column_names = get_column_names(backup_file)
    assert target not in before_column_names

    append_hjd_correction_column(backup_file)

    after_column_names = get_column_names(backup_file)
    assert target in after_column_names and 'hjd' not in after_column_names
Example #7
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def test_default_column_name(backup_file):
    target = 'hjd_correction'
    before_column_names = get_column_names(backup_file)
    assert target not in before_column_names

    append_hjd_correction_column(backup_file)

    after_column_names = get_column_names(backup_file)
    assert target in after_column_names and 'hjd' not in after_column_names
Example #8
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def test_update_file_values_correct(backup_file):
    append_hjd_correction_column(backup_file, column_name='hjd_correction')

    with fitsio.FITS(backup_file) as infile:
        catalogue = infile[1]
        ra, dec = [catalogue[key].read() for key in ['ra', 'dec']]
        hjd_column_data = catalogue['hjd_correction'].read()

        header = catalogue.read_header()

    sun_ra, sun_dec = [header[key] for key in ['sun_ra', 'sun_dec']]
    mjd = header['mjd']

    hjd_values = compute_hjd_correction(mjd, ra, dec, sun_ra, sun_dec)
    assert allclose(hjd_column_data, hjd_values)
Example #9
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def test_update_file_values_correct(backup_file):
    append_hjd_correction_column(backup_file, column_name='hjd_correction')

    with fitsio.FITS(backup_file) as infile:
        catalogue = infile[1]
        ra, dec = [catalogue[key].read() for key in ['ra', 'dec']]
        hjd_column_data = catalogue['hjd_correction'].read()

        header = catalogue.read_header()

    sun_ra, sun_dec = [header[key] for key in ['sun_ra', 'sun_dec']]
    mjd = header['mjd']

    hjd_values = compute_hjd_correction(mjd, ra, dec, sun_ra, sun_dec)
    assert allclose(hjd_column_data, hjd_values)
Example #10
0
def wcs_photom(image,
               cat_file='nocat',
               conf_file='noconf',
               appsize=2.0,
               verbose=False):

    if not wcs_succeeded(image):
        return 'failed'

    outname = image + '.phot'

    casutools.imcore_list(image,
                          cat_file,
                          outname,
                          confidence_map=conf_file,
                          rcore=appsize,
                          noell=True,
                          verbose=verbose)

    #      do some quality checks

    factor = 5
    size = 11
    stars = 1000
    side = 3  #how many subdevisions of the chip along each axis. must be odd.

    fwhm_a, fwhm_b, t = call_find_fwhm(image,
                                       cat_file,
                                       factor,
                                       size,
                                       stars,
                                       tag=image,
                                       side=side)

    frame_ston = compute_frame_signal_to_noise(image)

    pf.setval(outname,
              'FRAME_SN',
              1,
              value=round(frame_ston, 2),
              comment='A measure of bulk structure in the image (S/N)')
    positions = [
        'Top left.', 'Top middle.', 'Top right.', 'Middle left.', 'Center.',
        'Middle right.', 'Bottom left.', 'Bottom middle.', 'Bottom right.'
    ]

    for val in range(1, 10):
        pf.setval(outname,
                  'PSF_a_' + str(val),
                  1,
                  value=fwhm_a['f_' + str(val)][0],
                  comment='[pixels] psf long axis FWHM. ' + positions[val - 1])
        pf.setval(outname,
                  'PSF_b_' + str(val),
                  1,
                  value=fwhm_b['f_' + str(val)][0],
                  comment='[pixels] psf short axis FWHM. ' +
                  positions[val - 1])
        pf.setval(outname,
                  'PSF_t_' + str(val),
                  1,
                  value=t['f_' + str(val)][0],
                  comment='[degrees] psf rotation angle. ' +
                  positions[val - 1])

    # Compute the HJD values
    append_hjd_correction_column(outname)

    return 'ok'