def create_real_first_image(self, path="data/testimg.fits"):
# Put a real fits image on the first source, first observation
apcor = ApcorData.from_string("4 15 0.19 0.01")
hdulist = fits.open(self.get_abs_path(path))
first_reading = self.model.get_current_workunit().get_sources()[0].get_readings()[0]
self.first_snapshot = SourceCutout(first_reading, hdulist, apcor)
self.image_manager.on_singlet_image_loaded(self.first_snapshot)
def create_real_first_image(self, path="data/testimg.fits"):
# Put a real fits image on the first source, first observation
apcor = ApcorData.from_string("4 15 0.19 0.01")
hdulist = fits.open(self.get_abs_path(path))
first_reading = self.model.get_current_workunit().get_sources(
)[0].get_readings()[0]
self.first_snapshot = SourceCutout(first_reading, hdulist, apcor)
self.image_manager.on_singlet_image_loaded(self.first_snapshot)
def test_from_raw_string(self):
rawstr = "4 15 0.19 0.01\n"
# NOTE: not undertest
self.parsed = ApcorData.from_string(rawstr)
assert_that(self.parsed.ap_in, equal_to(self.ap_in))
assert_that(self.parsed.ap_out, equal_to(self.ap_out))
assert_that(self.parsed.apcor, equal_to(self.apcor))
assert_that(self.parsed.apcor_err, equal_to(self.apcor_err))
def setUp(self):
"""
Example data from
vos://cadc.nrc.ca~vospace/OSSOS/dbimages/1616681/ccd22/1616681p22.apcor
"""
self.ap_in = 4
self.ap_out = 15
self.apcor = 0.19
self.apcor_err = 0.01
self.undertest = ApcorData(self.ap_in, self.ap_out, self.apcor,
self.apcor_err)
def setUp(self):
test_file = self.path("realstest2.measure3.reals.astrom")
astrom_data = AstromParser().parse(test_file)
self.reading = astrom_data.get_sources()[0].get_reading(0)
# Load the real image
hdulist = fits.open(self.path("cutout-1616687p.fits"))
with open(self.path("1616687p10.apcor")) as fh:
apcor = ApcorData.from_string(fh.read())
# NOTE: the test image
# vos://cadc.nrc.ca~vospace/OSSOS/dbimages/1616687/1616687p.fits
# has cutout: [11][1449:1199,1429:1179] and is inverted.
#
# Therefore the first reading at (772.13, 3334.70) in observed
# coordinates is at
# (NAX1 - max cutout x, NAX2 - max cutout y)
# = (2112 - 1449, 4644 - 1429) = (663, 3215)
self.original_pixel_x = 663
self.original_pixel_y = 3215
self.original_observed_x = 772.13
self.original_observed_y = 3334.70
x_offset = self.original_observed_x - self.original_pixel_x
y_offset = self.original_observed_y - self.original_pixel_y
self.undertest = SourceCutout(self.reading, hdulist,
CoordinateConverter(x_offset, y_offset),
apcor=apcor)
assert_that(self.undertest.observed_x, equal_to(self.original_observed_x))
assert_that(self.undertest.observed_y, equal_to(self.original_observed_y))
assert_that(self.undertest.pixel_x, equal_to(self.original_pixel_x))
assert_that(self.undertest.pixel_y, equal_to(self.original_pixel_y))