/usr/lib/python2.7/dist-packages/ginga/tests/test_wcs.py is in python-ginga 2.6.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import unittest
import logging
import numpy
from ginga import AstroImage
from ginga.util import wcsmod
class TestImageView(unittest.TestCase):
def setUp(self):
self.logger = logging.getLogger("TestWCS")
self.header = {'ADC-END': 6.28,
'ADC-STR': 6.16,
'ADC-TYPE': 'IN',
'AIRMASS': 1.0526,
'ALTITUDE': 72.142,
'AUTOGUID': 'ON',
'AZIMUTH': 282.679,
'BIN-FCT1': 1,
'BIN-FCT2': 1,
'BITPIX': -32,
'BLANK': -32768,
'BUNIT': 'ADU',
'CD1_1': -5.611e-05,
'CD1_2': 0.0,
'CD2_1': 0.0,
'CD2_2': 5.611e-05,
'CDELT1': -5.611e-05,
'CDELT2': 5.611e-05,
'COADD': 1,
'CRPIX1': 5276.0,
'CRPIX2': 25.0,
'CRVAL1': 299.91736667,
'CRVAL2': 22.68769444,
'CTYPE1': 'RA---TAN',
'CTYPE2': 'DEC--TAN',
'CUNIT1': 'degree',
'CUNIT2': 'degree',
'DATA-TYP': 'OBJECT',
'DATASET': 'DS000',
'DATE-OBS': '2009-08-22',
'DEC': '+22:41:15.70',
'DEC2000': '+22:41:15.70',
'DET-A01': 90.0,
'DET-ID': 6,
'DET-P101': -79.14,
'DET-P201': -0.375,
'DET-TMAX': 0.0,
'DET-TMED': 0.0,
'DET-TMIN': 0.0,
'DET-TMP': 172.74,
'DET-VER': 'spcam20080721',
'DETECTOR': 'chihiro',
'DOM-HUM': 12.4,
'DOM-PRS': 622.3,
'DOM-TMP': 276.35,
'DOM-WND': 0.6,
'EFP-MIN1': 9,
'EFP-MIN2': 49,
'EFP-RNG1': 2256,
'EFP-RNG2': 4177,
'EQUINOX': 2000.0,
'EXP-ID': 'SUPE01118760',
'EXP1TIME': 90.0,
'EXPTIME': 90.0,
'EXTEND': False,
'FILTER01': 'W-J-B',
'FOC-POS': 'Prime',
'FOC-VAL': 7.14,
'FRAMEID': 'SUPA01118766',
'GAIN': 3.73,
'HST': '23:34:25.911',
'HST-END': '23:35:55.010',
'HST-STR': '23:34:25.911',
'INR-END': -174.487,
'INR-STR': -174.239,
'INS-VER': 'Messia5/sup080721',
'INST-PA': 90.0,
'INSTRUME': 'SuprimeCam',
'LONGPOLE': 180.0,
'LST': '21:15:48.968',
'LST-END': '21:17:18.311',
'LST-STR': '21:15:48.968',
'M2-ANG1': 1.5,
'M2-ANG2': -0.0,
'M2-ANG3': 0.0,
'M2-POS1': -0.753,
'M2-POS2': -2.1,
'M2-POS3': 8.205,
'MJD': 55065.398914,
'MJD-END': 55065.399945,
'MJD-STR': 55065.398914,
'NAXIS': 2,
'NAXIS1': 2272,
'NAXIS2': 4273,
'OBJECT': 'M27',
'OBS-ALOC': 'Observation',
'OBS-MOD': 'IMAG_N_VGW',
'OBSERVAT': 'NAOJ',
'OBSERVER': 'Jeschke, Inagaki, Streeper, Yagi, Nakata',
'OUT-HUM': 13.1,
'OUT-PRS': 622.3,
'OUT-TMP': 275.95,
'OUT-WND': 6.0,
'PRD-MIN1': 1,
'PRD-MIN2': 1,
'PRD-RNG1': 2272,
'PRD-RNG2': 4273,
'PROP-ID': 'o99005',
'RA': '19:59:40.168',
'RA2000': '19:59:40.168',
'RADECSYS': 'FK5',
'SECZ-END': 1.053,
'SECZ-STR': 1.051,
'SEEING': 0.29,
'SIMPLE': True,
'S_AG-DEC': 'N/A',
'S_AG-EQN': 2000.0,
'S_AG-OBJ': 'N/A',
'S_AG-R': 999.99,
'S_AG-RA': 'N/A',
'S_AG-TH': 999.99,
'S_AG-X': 109.97,
'S_AG-Y': 19.3,
'S_BCTAVE': 999.999,
'S_BCTSD': 999.999,
'S_DELTAD': 0.0,
'S_DELTAZ': 0.0,
'S_EFMN11': 9,
'S_EFMN12': 49,
'S_EFMN21': 617,
'S_EFMN22': 49,
'S_EFMN31': 1145,
'S_EFMN32': 49,
'S_EFMN41': 1753,
'S_EFMN42': 49,
'S_EFMX11': 520,
'S_EFMX12': 4225,
'S_EFMX21': 1128,
'S_EFMX22': 4225,
'S_EFMX31': 1656,
'S_EFMX32': 4225,
'S_EFMX41': 2264,
'S_EFMX42': 4225,
'S_ETMAX': 0.0,
'S_ETMED': 273.15,
'S_ETMIN': 0.0,
'S_FRMPOS': '0001',
'S_GAIN1': 3.73,
'S_GAIN2': 2.95,
'S_GAIN3': 3.1,
'S_GAIN4': 3.17,
'S_M2OFF1': 0.0,
'S_M2OFF2': 0.0,
'S_M2OFF3': 7.14,
'S_OSMN11': 521,
'S_OSMN12': 1,
'S_OSMN21': 569,
'S_OSMN22': 1,
'S_OSMN31': 1657,
'S_OSMN32': 1,
'S_OSMN41': 1705,
'S_OSMN42': 1,
'S_OSMX11': 568,
'S_OSMX12': 48,
'S_OSMX21': 616,
'S_OSMX22': 48,
'S_OSMX31': 1704,
'S_OSMX32': 48,
'S_OSMX41': 1752,
'S_OSMX42': 48,
'S_SENT': False,
'S_UFNAME': 'object060_chihiro.fits',
'S_XFLIP': False,
'S_YFLIP': True,
'TELESCOP': 'Subaru',
'TELFOCUS': 'P_OPT',
'TIMESYS': 'UTC',
'UT': '09:34:25.911',
'UT-END': '09:35:55.010',
'UT-STR': '09:34:25.911',
'WCS-ORIG': 'SUBARU Toolkit',
'WEATHER': 'Fine',
'ZD-END': 18.2,
'ZD-STR': 17.858}
def pixtoradec_scalar_runtest(self, modname):
if not wcsmod.use(modname, raise_err=False):
return False
wcs = wcsmod.WCS(self.logger)
if wcs.wcs is None:
return False
wcs.load_header(self.header)
img = AstroImage.AstroImage(logger=self.logger)
img.wcs = wcs
img.revnaxis = []
ra_deg_v1 = 300.2308791294835
dec_deg_v1 = 22.691653517073615
ra_deg, dec_deg = img.pixtoradec(120, 100)
assert numpy.isclose(ra_deg, ra_deg_v1), \
ValueError("RA deg does not match (%f != %f)" % (ra_deg,
ra_deg_v1))
assert numpy.isclose(dec_deg, dec_deg_v1), \
ValueError("DEC deg does not match (%f != %f)" % (dec_deg,
dec_deg_v1))
return True
def test_pixtoradec_scalar_kapteyn(self):
if not self.pixtoradec_scalar_runtest('kapteyn'):
print("WCS '%s' not available--skipping test" % ('kapteyn'))
def test_pixtoradec_scalar_starlink(self):
if not self.pixtoradec_scalar_runtest('starlink'):
print("WCS '%s' not available--skipping test" % ('starlink'))
def test_pixtoradec_scalar_astlib(self):
if not self.pixtoradec_scalar_runtest('astlib'):
print("WCS '%s' not available--skipping test" % ('astlib'))
def test_pixtoradec_scalar_astropy(self):
if not self.pixtoradec_scalar_runtest('astropy'):
print("WCS '%s' not available--skipping test" % ('astropy'))
def radectopix_scalar_runtest(self, modname):
if not wcsmod.use(modname, raise_err=False):
return False
wcs = wcsmod.WCS(self.logger)
if wcs.wcs is None:
return False
wcs.load_header(self.header)
img = AstroImage.AstroImage(logger=self.logger)
img.wcs = wcs
img.naxispath = []
x_v1 = 120
y_v1 = 100
x, y = img.radectopix(300.2308791294835, 22.691653517073615)
assert numpy.isclose(x, x_v1), \
ValueError("x does not match (%f != %f)" % (x, x_v1))
assert numpy.isclose(y, y_v1), \
ValueError("y does not match (%f != %f)" % (y, y_v1))
return True
def test_radectopix_scalar_kapteyn(self):
if not self.radectopix_scalar_runtest('kapteyn'):
print("WCS '%s' not available--skipping test" % ('kapteyn'))
def test_radectopix_scalar_starlink(self):
if not self.radectopix_scalar_runtest('starlink'):
print("WCS '%s' not available--skipping test" % ('starlink'))
def test_radectopix_scalar_astlib(self):
if not self.radectopix_scalar_runtest('astlib'):
print("WCS '%s' not available--skipping test" % ('astlib'))
def test_radectopix_scalar_astropy(self):
if not self.radectopix_scalar_runtest('astropy'):
print("WCS '%s' not available--skipping test" % ('astropy'))
def tearDown(self):
pass
if __name__ == '__main__':
unittest.main()
#END
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