def overlaps(self):
"""Returns the list of fields which overlap.
Returns
-------
fields : array
List of field identifiers which are within `constants.FIELD_MAXDIST`
"""
dist = util.sphere_dist(self.ra, self.dec, IPHASQC['ra'], IPHASQC['dec'])
idx = (constants.IPHASQC_COND_RELEASE
& (dist < constants.FIELD_MAXDIST)
& (self.fieldid != IPHASQC['id']))
return IPHASQC['id'][idx]
def overlap_runs(self):
"""Returns the list of overlapping exposures in the same band.
Returns
-------
runs : list
List of overlapping exposure identifiers.
"""
cond_run = (IPHASQC['run_'+str(self.band)] == self.run)
idx = np.argwhere(cond_run)[0]
myra = IPHASQC['ra'][idx]
mydec = IPHASQC['dec'][idx]
dist = util.sphere_dist(myra, mydec, IPHASQC['ra'], IPHASQC['dec'])
idx2 = ( constants.IPHASQC_COND_RELEASE
& (dist < constants.FIELD_MAXDIST)
& (IPHASQC['run_'+str(self.band)] != self.run)
)
return IPHASQC['run_'+str(self.band)][idx2]