def test_check_edges_of_retrieved_fields(self):
"""
check that stars aren't being missed at the edges of requested fields, by retrieving over a much
wider area and then trimming, compared with retrieving only over a the narrower trimmed area.
"""
# pick an RA range where we've predetermined there's a star right at the edge
# 0064 15.25 15.25 15.4999305556
ra_range = [15.25 * 15.0, 16.0 * 15.0]
dec_range = [-85., -83.]
stars = fetch_nomad_box(ra_range, dec_range, epoch=2000.0)
stars_largebox = fetch_nomad_box([ra_range[0] - 1.0, ra_range[1] + 1.0],
[dec_range[0] - 1.0, dec_range[1] + 1.0], epoch=2000.0)
stars_largebox_filtered = self.filter_starlist_by_radec_range(stars_largebox, ra_range, dec_range)
self.assertTrue(self.starlists_contain_same_NOMAD_ids(stars_largebox_filtered, stars))
def retrieve_nomad_from_search_parameters(self, search_params):
"""
Use the fetch_nomad_box routine to fetch NOMAD stars for the same search area and epoch
as specified in search_params, which would have been read in from a example test data file
retrieved from the NOMAD web site
"""
ra_range, dec_range = self.radec_range_from_search_parameters(search_params)
print "Retrieving on ranges:"
print " RA = " + str(ra_range)
print " DEC = " + str(dec_range)
return fetch_nomad_box(ra_range, dec_range, epoch=float(search_params['EPOCH']['value']))
