coincs = skylocutils.Coincidences(files, opts.input_type)
dt = []
dD = []
for coinc in coincs:
inj_pt = (coinc.latitude_inj, coinc.longitude_inj)
if len(coinc.ifo_list) < 3:
continue
else:
if opts.snr_threshold:
rhosquared = 0.0
for ifo in coinc.ifo_list:
rhosquared += coinc.snr[ifo] * coinc.snr[ifo]
dtrss_inj = sqrt(rhosquared) * skylocutils.get_delta_t_rss(inj_pt, coinc, opts.reference_frequency) / 10.0
else:
dtrss_inj = skylocutils.get_delta_t_rss(inj_pt, coinc, opts.reference_frequency)
dDrss_inj = skylocutils.get_delta_D_rss(inj_pt, coinc)
dt.append(dtrss_inj)
dD.append(dDrss_inj)
# for the kdes
npts = opts.Npts
dtbw = compute_bw(dt, npts)
dtdat = np.array(dt, "float").reshape(len(dt), 1)
pdtx = np.linspace(0.0, max(dt), npts)
pdty = [skylocutils.gaussian_kde(dtdat, xn, dtbw) for xn in pdtx]
pdtnorm = np.trapz(pdty, pdtx)
Ptx = pdtx
coincs = skylocutils.Coincidences(files, opts.input_type)
dt = []
dD = []
for coinc in coincs:
inj_pt = (coinc.latitude_inj, coinc.longitude_inj)
if len(coinc.ifo_list) < 3:
continue
else:
if opts.snr_threshold:
rhosquared = 0.0
for ifo in coinc.ifo_list:
rhosquared += coinc.snr[ifo] * coinc.snr[ifo]
dtrss_inj = sqrt(rhosquared) * skylocutils.get_delta_t_rss(
inj_pt, coinc, opts.reference_frequency) / 10.0
else:
dtrss_inj = skylocutils.get_delta_t_rss(inj_pt, coinc,
opts.reference_frequency)
dDrss_inj = skylocutils.get_delta_D_rss(inj_pt, coinc)
dt.append(dtrss_inj)
dD.append(dDrss_inj)
#for the kdes
npts = opts.Npts
dtbw = compute_bw(dt, npts)
dtdat = np.array(dt, 'float').reshape(len(dt), 1)
pdtx = np.linspace(0.0, max(dt), npts)
pdty = [skylocutils.gaussian_kde(dtdat, xn, dtbw) for xn in pdtx]
pdtnorm = np.trapz(pdty, pdtx)
#open up the necessary pickle with info on the galaxy prior
if opts.galaxy_priors_dir:
mineffD = ceil(min(coinc.eff_distances.values()))
if mineffD > 50.:
mineffD = 50
f = open(opts.galaxy_priors_dir+'/galaxy_prior_'+str(int(mineffD))+'Mpc.pkl','r')
gal_prior = cPickle.load(f)
f.close()
print >>sys.stdout, 'Processing trigger at '+str(coinc.time)
#main loop over the coarse grid
for coarse_pt in grid.keys():
#use timing alone to determine if we should move to the fine grid
dtrss_coarse = dtsnrfac*skylocutils.get_delta_t_rss(coarse_pt,coinc,ref_freq)
Pdt_coarse = 1 - Pdt.get_rank(dtrss_coarse)
if Pdt_coarse >= opts.coarse_cut:
#loop over points on the fine grid
for fine_pt in grid[coarse_pt]:
dtrss_fine = dtsnrfac*skylocutils.get_delta_t_rss(fine_pt,coinc,ref_freq)
dtrank = dtr.get_rank(dtrss_fine)
dDrss_fine = skylocutils.get_delta_D_rss(fine_pt,coinc)
dDrank = dDr.get_rank(dDrss_fine)
L = dtrank*dDrank
pval = 0.0
if opts.galaxy_priors_dir:
try:
pval = gal_prior[fine_pt]
except KeyError:
pass