def main():
usage = "usage: %(prog)s -c config.yaml"
description = "Run the lc analysis"
parser = argparse.ArgumentParser(usage=usage, description=description)
parser.add_argument('-c', '--conf', required=True)
parser.add_argument('-i',
required=False,
default=0,
help='Set local or scratch calculation',
type=int)
parser.add_argument('--state',
help='analysis state',
choices=['avgspec', 'setup'],
default='avgspec')
parser.add_argument('--forcepl',
default=0,
help='Force the target source to have power-law shape',
type=int)
parser.add_argument('--createsed',
default=0,
help='Create SED from best fit model',
type=int)
parser.add_argument(
'--adaptive',
default=0,
help='Use adaptive binning for minute scale light curves',
type=int)
parser.add_argument('--srcprob', default = 0,
help='Calculate the source probability for the photons,' \
' only works when no sub orbit time scales are used',
type=int)
parser.add_argument(
'--mincounts',
default=2,
help='Minimum number of counts within LC bin to run analysis',
type=int)
parser.add_argument('--simulate', default = None,
help='None or full path to yaml file which contains src name' \
'and spec to be simulated',
)
parser.add_argument(
'--make_plots',
default=0,
type=int,
help='Create sed plot',
)
parser.add_argument(
'--randomize',
default=1,
help=
'If you simulate, use Poisson realization. If false, use Asimov data set',
type=int)
args = parser.parse_args()
utils.init_logging('DEBUG')
config = yaml.load(open(args.conf))
tmpdir, job_id = lsf.init_lsf()
if not job_id:
job_id = args.i
logging.info('tmpdir: {0:s}, job_id: {1:n}'.format(tmpdir, job_id))
os.chdir(tmpdir) # go to tmp directory
logging.info('Entering directory {0:s}'.format(tmpdir))
logging.info('PWD is {0:s}'.format(os.environ["PWD"]))
# copy the ft1,ft2 and ltcube files
#for k in ['evfile','scfile','ltcube']:
# don't stage them, done automatically by fermipy if needed
# config[k] = utils.copy2scratch(config[k], tmpdir)
# set the scratch directories
logging.debug(config['data'])
config['fileio']['scratchdir'] = tmpdir
# set the log file
logdir = copy.deepcopy(config['fileio']['logfile'])
config['fileio']['logfile'] = path.join(tmpdir, 'fermipy.log')
# debugging: all files will be saved (default is False)
#config['fileio']['savefits'] = True
# if simulating an orbit, save fits files
if args.simulate is not None:
config['fileio']['savefits'] = True
# copy all fits files already present in outdir
# run the analysis
lc_config = copy.deepcopy(config['lightcurve'])
fit_config = copy.deepcopy(config['fit_pars'])
# remove parameters from config file not accepted by fermipy
for k in ['configname', 'tmp', 'log', 'fit_pars']:
config.pop(k, None)
if 'adaptive' in config['lightcurve'].keys():
config['lightcurve'].pop('adaptive', None)
# set the correct time bin
config['selection']['tmin'], config['selection']['tmax'], nj = set_lc_bin(
config['selection']['tmin'],
config['selection']['tmax'],
config['lightcurve']['binsz'],
job_id - 1 if job_id > 0 else 0,
ft1=config['data']['evfile'])
logging.debug('setting light curve bin' + \
'{0:n}, between {1[tmin]:.0f} and {1[tmax]:.0f}'.format(job_id, config['selection']))
if args.adaptive:
config['fileio']['outdir'] = utils.mkdir(
path.join(config['fileio']['outdir'],
'adaptive{0:.0f}/'.format(lc_config['adaptive'])))
if args.state == 'setup':
config['fileio']['outdir'] = utils.mkdir(
path.join(config['fileio']['outdir'],
'setup{0:05n}/'.format(job_id if job_id > 0 else 1)))
else:
config['fileio']['outdir'] = utils.mkdir(
path.join(config['fileio']['outdir'],
'{0:05n}/'.format(job_id if job_id > 0 else 1)))
logging.info('Starting with fermipy analysis')
logging.info('using fermipy version {0:s}'.format(fermipy.__version__))
logging.info('located at {0:s}'.format(fermipy.__file__))
if config['data']['ltcube'] == '':
config['data'].pop('ltcube', None)
compute_sub_gti_lc = False
if type(config['lightcurve']['binsz']) == str:
if len(config['lightcurve']['binsz'].strip('gti')):
compute_sub_gti_lc = True
if config['lightcurve']['binsz'].find('min') > 0:
config['lightcurve']['binsz'] = float(
config['lightcurve']['binsz'].strip('gti').strip(
'min')) * 60.
logging.info("set time bin length to {0:.2f}s".format(
config['lightcurve']['binsz']))
else:
config['lightcurve']['binsz'] = 3. * 3600.
try:
gta = GTAnalysis(config, logging={'verbosity': 3})
except Exception as e:
logging.error("{0}".format(e))
config['selection']['target'] = None
gta = GTAnalysis(config, logging={'verbosity': 3})
sep = gta.roi.sources[0]['offset']
logging.warning(
"Source closets to ROI center is {0:.3f} degree away".format(sep))
if sep < 0.1:
config['selection']['target'] = gta.roi.sources[0]['name']
gta.config['selection']['target'] = config['selection']['target']
logging.info("Set target to {0:s}".format(
config['selection']['target']))
# stage the full time array analysis results to the tmp dir
# do not copy png images
files = [
fn for fn in glob(fit_config['avgspec'])
if fn.find('.xml') > 0 or fn.find('.npy') > 0
]
files += [config['data']['evfile']]
utils.copy2scratch(files, gta.workdir)
# we're using actual data
if args.simulate is None:
# check before the analysis start if there are any events in the master file
# in the specified time range
logging.info('Checking for events in initial ft1 file')
t = Table.read(path.join(gta.workdir,
path.basename(config['data']['evfile'])),
hdu='EVENTS')
logging.info("times in base ft1: {0} {1} {2}".format(
t["TIME"].max(), t["TIME"].min(),
t["TIME"].max() - t["TIME"].min()))
m = (t["TIME"] >= config['selection']['tmin']) & (
t["TIME"] <= config['selection']['tmax'])
if np.sum(m) < args.mincounts + 1:
logging.error(
"*** Only {0:n} events between tmin and tmax! Exiting".format(
np.sum(m)))
assert np.sum(m) > args.mincounts
else:
logging.info("{0:n} events between tmin and tmax".format(
np.sum(m)))
# check how many bins are in each potential light curve bin
if compute_sub_gti_lc:
# select time of first and last
# photon instead of GTI time
m = (t["TIME"] >= config['selection']['tmin']) & \
(t["TIME"] <= config['selection']['tmax'])
tmin = t["TIME"][m].min() - 1.
tmax = t["TIME"][m].max() + 1.
logging.info("There will be up to {0:n} time bins".format(np.ceil(
(tmax - tmin) / \
config['lightcurve']['binsz'])))
bins = np.arange(tmin, tmax, config['lightcurve']['binsz'])
bins = np.concatenate([bins, [config['selection']['tmax']]])
counts = calc_counts(t, bins)
# remove the starting times of the bins with zero counts
# and rebin the data
logging.info("Counts before rebinning: {0}".format(counts))
mincounts = 10.
mc = counts < mincounts
if np.sum(mc):
# remove trailing zeros
if np.any(counts == 0.):
mcounts_post, mcounts_pre = rm_trailing_zeros(counts)
counts = counts[mcounts_post & mcounts_pre]
bins = np.concatenate([
bins[:-1][mcounts_post & mcounts_pre],
[bins[1:][mcounts_post & mcounts_pre].max()]
])
bins = rebin(counts, bins)
logging.info("Bin lengths after rebinning: {0}".format(
np.diff(bins)))
logging.info("Bin times after rebinning: {0}".format(bins))
counts = calc_counts(t, bins)
logging.info("Counts after rebinning: {0}".format(counts))
else:
logging.info("Regular time binning will be used")
bins = list(bins)
logging.info('Running fermipy setup')
try:
gta.setup()
except (RuntimeError, IndexError) as e:
logging.error(
'Caught Runtime/Index Error while initializing analysis object')
logging.error('Printing error:')
logging.error(e)
if e.message.find("File not found") >= 0 and e.message.find(
'srcmap') >= 0:
logging.error("*** Srcmap calculation failed ***")
if e.message.find("NDSKEYS") >= 0 and e.message.find('srcmap') >= 0:
logging.error(
"*** Srcmap calculation failed with NDSKEYS keyword not found in header ***"
)
logging.info("Checking if there are events in ft1 file")
ft1 = path.join(gta.workdir, 'ft1_00.fits')
f = glob(ft1)
if not len(f):
logging.error(
"*** no ft1 file found at location {0:s}".format(ft1))
raise
t = Table.read(f[0], hdu='EVENTS')
if not len(t):
logging.error("*** The ft1 file contains no events!! ***".format(
len(t)))
else:
logging.info("The ft1 file contains {0:n} event(s)".format(len(t)))
return
# end here if you only want to calulate
# intermediate fits files
if args.state == 'setup':
return gta
logging.info('Loading the fit for the average spectrum')
gta.load_roi('avgspec') # reload the average spectral fit
logging.info('Running fermipy optimize and fit')
# we're using actual data
if args.simulate is None:
if args.forcepl:
gta = set_src_spec_pl(
gta, gta.get_source_name(config['selection']['target']))
# to do add EBL absorption at some stage ...
# gta = add_ebl_atten(gta, gta.get_source_name(config['selection']['target']), fit_config['z'])
# make sure you are fitting data
gta.simulate_roi(restore=True)
if compute_sub_gti_lc:
if args.adaptive:
# do import only here since root must be compiled
from fermiAnalysis import adaptivebinning as ab
# compute the exposure
energy = 1000.
texp, front, back = ab.comp_exposure_phi(gta, energy=1000.)
# compute the bins
result = ab.time_bins(
gta,
texp,
0.5 * (front + back),
#critval = 20., # bins with ~20% unc
critval=lc_config['adaptive'],
Epivot=None, # compute on the fly
# tstart = config['selection']['tmin'],
# tstop = config['selection']['tmax']
)
# cut the bins to this GTI
mask = result['tstop'] > config['selection']['tmin']
mask = mask & (result['tstart'] < config['selection']['tmax'])
# try again with catalog values
if not np.sum(mask):
logging.error(
"Adaptive bins outside time window, trying catalog values for flux"
)
result = ab.time_bins(
gta,
texp,
0.5 * (front + back),
critval=lc_config['adaptive'], # bins with ~20% unc
Epivot=None, # compute on the fly
forcecatalog=True,
# tstart = config['selection']['tmin'],
# tstop = config['selection']['tmax']
)
# cut the bins to this GTI
mask = result['tstop'] > config['selection']['tmin']
mask = mask & (result['tstart'] <
config['selection']['tmax'])
if not np.sum(mask):
logging.error(
"Adaptive bins do not cover selected time interval!"
)
logging.error("Using original bins")
else:
bins = np.concatenate((result['tstart'][mask],
[result['tstop'][mask][-1]]))
bins[0] = np.max(
[config['selection']['tmin'], bins[0]])
bins[-1] = np.min(
[config['selection']['tmax'], bins[-1]])
bins = list(bins)
# removing trailing zeros
counts = calc_counts(t, bins)
mcounts_post, mcounts_pre = rm_trailing_zeros(counts)
logging.info(
"count masks: {0} {1}, bins: {2}, counts: {3}".
format(mcounts_post, mcounts_pre, bins, counts))
counts = counts[mcounts_post & mcounts_pre]
bins = np.concatenate([
np.array(bins)[:-1][mcounts_post & mcounts_pre],
[
np.array(bins)[1:][mcounts_post
& mcounts_pre].max()
]
])
logging.info(
"Using bins {0}, total n={1:n} bins".format(
bins,
len(bins) - 1))
logging.info("bins widths : {0}".format(np.diff(bins)))
logging.info("counts per bin: {0} ".format(
calc_counts(t, bins)))
bins = list(bins)
# TODO: test that this is working also with GTIs that have little or no counts
lc = gta.lightcurve(
config['selection']['target'],
binsz=config['lightcurve']['binsz'],
free_background=config['lightcurve']['free_background'],
free_params=config['lightcurve']['free_params'],
free_radius=config['lightcurve']['free_radius'],
make_plots=False,
multithread=True,
nthread=4,
#multithread = False,
#nthread = 1,
save_bin_data=True,
shape_ts_threshold=16.,
use_scaled_srcmap=True,
use_local_ltcube=True,
write_fits=True,
write_npy=True,
time_bins=bins,
outdir='{0:.0f}s'.format(config['lightcurve']['binsz']))
else:
# run the fitting of the entire time and energy range
try:
o = gta.optimize() # perform an initial fit
logging.debug(o)
except RuntimeError as e:
logging.error("Error in optimize: {0}".format(e))
logging.info("Trying to continue ...")
gta = set_free_pars_lc(gta, config, fit_config)
f = gta.fit()
if 'fix_sources' in fit_config.keys():
skip = fit_config['fix_sources'].keys()
else:
skip = []
gta, f = refit(gta,
config['selection']['target'],
f,
fit_config['ts_fixed'],
skip=skip)
gta.print_roi()
gta.write_roi('lc')
if args.createsed:
if args.make_plots:
init_matplotlib_backend()
gta.load_roi('lc') # reload the average spectral fit
logging.info('Running sed for {0[target]:s}'.format(
config['selection']))
sed = gta.sed(config['selection']['target'],
prefix = 'lc_sed',
free_radius = None if config['sed']['free_radius'] == 0. \
else config['sed']['free_radius'],
free_background= config['sed']['free_background'],
free_pars = fa.allnorm,
make_plots = args.make_plots,
cov_scale = config['sed']['cov_scale'],
use_local_index = config['sed']['use_local_index'],
bin_index = config['sed']['bin_index']
)
# debugging: calculate sed and resid maps for each light curve bin
#logging.info('Running sed for {0[target]:s}'.format(config['selection']))
#sed = gta.sed(config['selection']['target'], prefix = 'lc')
#model = {'Scale': 1000., 'Index' : fit_config['new_src_pl_index'], 'SpatialModel' : 'PointSource'}
#resid_maps = gta.residmap('lc',model=model, make_plots=True, write_fits = True, write_npy = True)
if args.srcprob:
logging.info("Running srcprob with srcmdl {0:s}".format('lc'))
gta.compute_srcprob(xmlfile='lc', overwrite=True)
# we are simulating a source
else:
# TODO: I probably have to run the setup here. Do on weekly files, i.e., no time cut? Only do that later?
with open(args.simulate) as f:
simsource = np.load(f, allow_pickle=True).flat[0]
# set the source to the simulation value
gta.set_source_spectrum(
simsource['target'],
spectrum_type=simsource['spectrum_type'],
spectrum_pars=simsource['spectrum_pars'][job_id - 1])
logging.info("changed spectral parameters to {0}".format(
gta.roi.get_source_by_name(simsource['target']).spectral_pars))
# simulate the ROI
gta.simulate_roi(randomize=bool(args.randomize))
gta = set_free_pars_lc(gta, config, fit_config)
# fit the simulation
f = gta.fit()
gta, f = refit(gta, config['selection']['target'], f,
fit_config['ts_fixed'])
gta.print_roi()
gta.write_roi('lc_simulate_{0:s}'.format(simsource['suffix']))
return gta
default=0,
help='Set local or scratch calculation',
type=int)
args = parser.parse_args()
gta, config, fit_config, job_id = setup.init_gta(args.conf,
i=args.i,
logging_level="INFO")
init_matplotlib_backend()
files = [
fn for fn in glob(fit_config['avgspec'])
if fn.find('.xml') > 0 or fn.find('.npy') > 0
]
if len(files):
utils.copy2scratch(files, gta.workdir)
else:
logging.error("No files found in {0:s}".format(fit_config['avgspec']))
args.reloadfit = False
if args.model is None:
try:
logging.info('Running fermipy setup')
gta.setup()
except RuntimeError as e:
logging.error("setup ended with runtime error:\n{0}.".format(e))
if not type(config['selection']['target']) == str:
# target name not given
# take closest source to ROI center if separation
# is less then 0.1 degree
sim.m.run(sim.source, sim.weights[i], True)
sim.output.close()
logging.info("Simulating bin {0:n} / {1:n} took {2:.1f} s".format(
i + 1, sim.nbins,
time() - t0))
utils.sleep(1.)
outputfile = str(deepcopy(sim.outputfile))
outdir = deepcopy(sim.FileIO['outdir'])
useSpectrum = deepcopy(sim.Source['useSpectrum'])
weights = deepcopy(sim.weights)
del sim # free memorY
# read the output
names, units, data = readCRPropaOutput(outputfile)
hfile = outputfile.split(".dat")[0] + ".hdf5"
col.convertOutput2Hdf5(names,
units,
data,
weights,
hfile,
config,
pvec_id=['', '0'],
xvec_id=['', '0'],
useSpectrum=useSpectrum)
#utils.zipfiles(sim.outputfile,sim.outputfile + '.gz', nodir = True)
utils.copy2scratch(hfile, outdir)
utils.sleep(1.)
def main():
usage = "usage: %(prog)s -c config.yaml"
description = "Run the analysis"
parser = argparse.ArgumentParser(usage=usage,description=description)
parser.add_argument('-c', '--conf', required = True)
parser.add_argument('--overwrite', required=False, default = 0,
help='Overwrite existing files', type=int)
parser.add_argument('--state', default = ['setup'],
choices = ['setup','avgspec','avgspec_ebl','lcbin', 'lcmonthly'],
help='Analysis state')
parser.add_argument('-i', required=False, default = 0,
help='Set local or scratch calculation', type=int)
parser.add_argument('--specin', required=False, default = -2.1,
help='Spectral index used for gtexposure in lieu of target in xml file',
type=float)
parser.add_argument('--addnewsrcs', default = 0,
help='Search for and add new sources and create residual map',
type=int)
parser.add_argument('--reloadfit', default = 0,
help='Reload ROI from avgspec xml file',
type=int)
parser.add_argument('--relocalize', default = 0,
help='Relocalize central source',
type=int)
parser.add_argument('--createsed', default = 0,
help='Create SED from best fit model',
type=int)
parser.add_argument('--forcespec', default = 0,
help='Recompute model parameters',
type=int)
parser.add_argument('--freezesupexp', default = 0,
help='freeze super exponential index parameters',
type=int)
parser.add_argument('--restorecatspec', default = 0,
help='Restore intitial catalog spectrum',
type=int)
parser.add_argument('--sethardexpcutoff', default = 0,
help='Manually change parameters of PL with SuperExpCutoff',
type=int)
parser.add_argument('--pivotE_free', default = 0,
help='let the pivot energy free during fit if spectrum is changed',
type=int)
parser.add_argument('--forcepl', default = 0,
help='Force the target source to have power-law shape',
type=int)
parser.add_argument('--profile2d', default = 0,
help='Compute 2D likelihood surface for PL index and normalization',
type=int)
parser.add_argument('--srcprob', default = 0,
help='Calculate the source probability for the photons,' \
' only works when no sub orbit time scales are used',
type=int)
parser.add_argument('--psf', default = 0,
help='Calculate the psf',
type=int)
parser.add_argument('--make_plots', default = 0, type=int,
help='Create plots',
)
parser.add_argument('--drm', default = 0,
help='Calculate the detector response matrix',
type=int)
args = parser.parse_args()
gta, config, fit_config, job_id = setup.init_gta(args.conf, i = args.i, logging_level = "INFO")
logging.info('Running fermipy setup')
if args.make_plots:
init_matplotlib_backend()
if args.reloadfit:
files = [fn for fn in glob(fit_config['avgspec']) if fn.find('.xml') > 0 or fn.find('.npy') > 0]
if len(files):
utils.copy2scratch(files, gta.workdir)
else:
logging.error("No files found in {0:s}".format(fit_config['avgspec']))
args.reloadfit = False
if args.state == 'lcbin':
pps = PreparePointSource(config,logging={'verbosity' : 3})
pps.setup()
pps._bin_data_lc(overwrite = args.overwrite)
pps._compute_lc_exp(overwrite = args.overwrite,
specin = args.specin)
return pps
elif args.state == 'setup':
try:
gta.setup()
except RuntimeError as e:
logging.error("setup ended with runtime error:\n{0}.".format(e))
if args.psf:
logging.info("Running psf")
gta.compute_psf(overwrite = True)
if args.drm:
logging.info("Running drm")
gta.compute_drm(overwrite = True)
return None, gta, fit_config
elif args.state.find('avgspec') >= 0:
gta.setup()
if args.psf:
logging.info("Running psf")
gta.compute_psf(overwrite = True)
if args.drm:
logging.info("Running drm")
gta.compute_drm(overwrite = True)
if not type(config['selection']['target']) == str:
# target name not given
# take closest source to ROI center if separation
# is less then 0.1 degree
logging.warning("Target name is {0}".format(config['selection']['target']))
sep = gta.roi.sources[0]['offset']
logging.warning("Source closets to ROI center is {0:.3f} degree away".format(sep))
if sep < 0.1:
config['selection']['target'] = gta.roi.sources[0]['name']
logging.info("Set target to {0:s}".format(config['selection']['target']))
else: # add source at center of ROI
csrc = SkyCoord(ra = config['selection']['ra'],
dec = config['selection']['dec'], frame = 'fk5', unit = 'degree')
if csrc.dec.value < 0.:
sign = '-'
else:
sign = '+'
newname = 'j{0:02.0f}{1:02.0f}{2:s}{3:02.0f}{4:02.0f}'.format(
csrc.ra.hms.h, csrc.ra.hms.m, sign,
np.abs(csrc.dec.dms.d), np.abs(csrc.dec.dms.m))
gta.add_source(newname,{
'ra' : config['selection']['ra'], 'dec' : config['selection']['dec'],
'SpectrumType' : 'PowerLaw', 'Index' : fit_config['new_src_pl_index'],
'Scale' : fit_config['pivotE'] if 'pivotE' in fit_config.keys() else 1000.,
'Prefactor' : 1e-11,
'SpatialModel' : 'PointSource' })
config['selection']['target'] = newname
logging.info("Set target to {0:s}".format(config['selection']['target']))
if args.reloadfit:
# save old spectrum
spec_cat = gta.roi.get_source_by_name(config['selection']['target'])
try:
gta.load_roi(args.state) # reload the average spectral fit
except:
logging.error("Could not reload fit. Continuing anyway.")
logging.info('Running fermipy optimize and fit')
# gives "failed to create spline" in get_parameter_limits function
if 'source_spec' in fit_config.keys():
m = gta.roi.get_source_by_name(config['selection']['target'])
if not m['SpectrumType'] == fit_config['source_spec'] or args.forcespec:
if fit_config['source_spec'] == 'PowerLaw':
gta, _ = set_src_spec_pl(gta, gta.get_source_name(config['selection']['target']),
fit_config['pivotE'] if 'pivotE' in fit_config.keys() else None,
e0_free = args.pivotE_free)
elif fit_config['source_spec'] == 'PLSuperExpCutoff':
gta, _ = set_src_spec_plexpcut(gta, gta.get_source_name(config['selection']['target']),
fit_config['pivotE'] if 'pivotE' in fit_config.keys() else None,
e0_free = args.pivotE_free)
#elif fit_config['source_spec'] == 'LogParabola':
#gta = set_src_spec_lp(gta, gta.get_source_name(config['selection']['target']))
else:
logging.warning("Spectrum {0:s} not supported, spectrum not changed".format(fit_config['source_spec']))
# restore spectrum from catalog
if args.restorecatspec:
#for k in ['alpha','Index','Index1']:
#if k in spec_cat.spectral_pars.keys():
#spec_cat.spectral_pars[k]['value'] -= 0.5
#spec_cat.spectral_pars['Eb']['free'] = True
#spec_cat.spectral_pars['Eb']['value'] = 2000.
#spec_cat.spectral_pars['alpha']['value'] = 1.8
#print spec_cat.spectral_pars
gta.set_source_spectrum(config['selection']['target'],
spectrum_type = spec_cat['SpectrumType'],
spectrum_pars= spec_cat.spectral_pars)
logging.info("restored catalog spectrum")
# for some sources modeled with PL with super exponential cutoff I
# have to do this to get a nice SED, but not for 3C454.3!
if gta.roi.get_source_by_name(config['selection']['target'])['SpectrumType'] ==\
'PLSuperExpCutoff' and args.sethardexpcutoff :
pars = {}
old_spec_pars = copy.deepcopy(gta.roi.get_source_by_name(config['selection']['target']))
for k in ['Prefactor','Scale','Index1','Index2','Cutoff']:
pars[k] = old_spec_pars.spectral_pars[k]
if config['selection']['target'] == '3C454.3':
# values from Romoli et al 2017
pars['Prefactor']['value'] = 4.7
pars['Index1']['value'] = 1.87
pars['Index2']['value'] = 0.4
pars['Cutoff']['value'] = 1100.
pars['Cutoff']['scale'] = 1.
pars['Cutoff']['min'] = 100.
pars['Cutoff']['max'] = 10000.
else:
pars['Index1']['value'] = 1.8
pars['Index2']['value'] = 1.
pars['Cutoff']['value'] = 5e4
gta.set_source_spectrum(config['selection']['target'],
# spectrum_type = 'PLSuperExpCutoff2',
spectrum_type = 'PLSuperExpCutoff',
spectrum_pars= pars)
logging.info("changed spectral parameters to {0}".format(
gta.roi.get_source_by_name(config['selection']['target']).spectral_pars))
else:
old_spec_pars = None
if args.forcepl and not \
gta.roi.get_source_by_name(config['selection']['target'])['SpectrumType'] == 'PowerLaw':
gta, _ = set_src_spec_pl(gta, gta.get_source_name(config['selection']['target']))
args.state += "_pl"
if args.state.find('ebl') >= 0:
gta = fa.utils.add_ebl_atten(gta,config['selection']['target'],fit_config['z'])
gta = set_free_pars_avg(gta, fit_config, freezesupexp = args.freezesupexp)
f,gta = fit_with_retries(gta, fit_config, config['selection']['target'],
alt_spec_pars = old_spec_pars)
logging.debug(f)
try:
get_best_fit_covar(gta, config['selection']['target'], prefix = args.state)
except IndexError:
logging.error("Covariance matrix calculation failed")
#relocalize central source and refit
if args.relocalize and type(config['selection']['target']) == str:
loc = gta.localize(config['selection']['target'], make_plots=args.make_plots,
free_background = fit_config['reloc_bkg'],
free_radius = fit_config['reloc_rad'],
update=True)
logging.info('new position is {0[pos_offset]:.3f} degrees from old position'.format(loc))
logging.info('Pos uncertainty is {0[pos_r68]:.3f} (68%); {0[pos_r95]:.3f} (95%) degrees'.format(loc))
logging.info('Refitting with new source position ...')
logging.info('free source parameters:')
for s in gta.get_sources() :
for k in s.spectral_pars.keys():
if s.spectral_pars[k]['free']:
logging.info('{0:s}: {1:s}'.format(s.name, k))
f = gta.fit()
#f,gta = fit_with_retries(gta, fit_config, config['selection']['target'])
gta.print_roi()
gta.write_roi(args.state)
elif args.state == 'lcmonthly':
gta.setup()
gta.load_roi('avgspec') # reload the average spectral fit
logging.info('Running the 30-day bin' + \
'light curve for {0[target]:s}'.format(config['selection']))
lc = gta.lightcurve(config['selection']['target'],
binsz = 30. * 24. * 60. * 60.)
model = {'Scale': 1000., 'Index' : fit_config['new_src_pl_index'], 'SpatialModel' : 'PointSource'}
if args.addnewsrcs:
gta.load_roi(args.state) # reload the average spectral fit
max_sqrt_ts = 1000.
irun = 0
# define the test source
#model = {'Index' : 2.0, 'SpatialModel' : 'PointSource'}
# run ts map and add new sources with sqrt(ts) > 5
# reoptimize iteratively for each new source
# this is only done for outer RoI
while max_sqrt_ts >= fit_config['max_sqrt_ts']:
# run ts and residual maps
ts_maps = gta.tsmap(args.state,model=model,
write_fits = True, write_npy = True, make_plots = args.make_plots)
# get the skydirs
#coords = ts_maps['sqrt_ts'].get_pixel_skydirs()
coords = ts_maps['sqrt_ts'].geom.get_coord()
if ts_maps['sqrt_ts'].geom.coordsys == 'CEL':
frame = 'fk5'
elif ts_maps['sqrt_ts'].geom.coordsys == 'GAL':
frame = 'galactic'
c = SkyCoord(coords[0], coords[1], unit = 'deg',
frame = frame)
#sqrt_ts = ts_maps['sqrt_ts'].get_map_values(coords.ra, coords.dec) # these are all nans. workaround: load fits file
#sqrt_ts_map = Map.create_from_fits(path.join(gta.workdir,ts_maps['file']),hdu = 'SQRT_TS_MAP')
#n_map = Map.create_from_fits(path.join(gta.workdir,ts_maps['file']),hdu = 'N_MAP')
sqrt_ts_map = WcsNDMap.read(path.join(gta.workdir,ts_maps['file']),hdu = 'SQRT_TS_MAP')
n_map = WcsNDMap.read(path.join(gta.workdir,ts_maps['file']),hdu = 'N_MAP')
sqrt_ts = sqrt_ts_map.data
amplitudes = n_map.data
# get the angular separation from RoI center
sep = gta.roi.skydir.separation(c)
# mask nan values and pixels close to central source
m = np.isfinite(sqrt_ts) & (sep.value > fit_config['new_src_search_rad'])
if not np.sum(m):
logging.warning('No pixels that are finite at distance > {0[new_src_search_rad]:.2f}'.format(fit_config))
raise RuntimeError
# get max ts value
max_sqrt_ts = np.max(sqrt_ts[m])
if max_sqrt_ts < fit_config['max_sqrt_ts']: break
# get the coords of max ts
idx = np.argmax(sqrt_ts[m])
logging.info('Found new source with sqrt(ts) = {0:.2f} at ra,dec = {1:.2f}, {2:.2f}'.format(
sqrt_ts[m][idx], c.ra[m][idx].value, c.dec[m][idx].value))
# add a new source
csrc = SkyCoord(ra = c.ra[m][idx], dec = c.dec[m][idx], frame = 'fk5')
if csrc.dec.value < 0.:
sign = '-'
else:
sign = '+'
newname = 'j{0:02.0f}{1:02.0f}{2:s}{3:02.0f}{4:02.0f}'.format(
csrc.ra.hms.h, csrc.ra.hms.m, sign,
np.abs(csrc.dec.dms.d), np.abs(csrc.dec.dms.m))
gta.add_source(newname,{
'ra' : c.ra[m][idx].value, 'dec' : c.dec[m][idx].value,
'SpectrumType' : 'PowerLaw', 'Index' : fit_config['new_src_pl_index'],
'Scale' : 1000, 'Prefactor' : amplitudes[m][idx],
'SpatialModel' : 'PointSource' })
logging.debug('Amplitude of source: {0}'.format(amplitudes[m][idx]))
gta.free_source(newname, pars=['norm','index'], free = True)
f = gta.fit()
gta.print_roi()
irun += 1
# if new sources where added, save output
if irun > 0:
gta.print_roi()
# gta = reset_diff_filenames(gta)
# refit the model with new sources present
gta = set_free_pars_avg(gta, fit_config)
f,gta = fit_with_retries(gta, fit_config, config['selection']['target'])
gta.write_roi(args.state)
else:
ts_maps = gta.tsmap(args.state,model=model,
write_fits = True, write_npy = True, make_plots = args.make_plots)
try:
resid_maps = gta.residmap(args.state,model=model, make_plots=args.make_plots, write_fits = True, write_npy = True)
except:
logging.error("Residual map computation and plotting failed")
if args.profile2d:
compute_profile2d(gta, config['selection']['target'], prefix = args.state,
sigma = 5., xsteps = 30, ysteps = 31)
if args.createsed:
if fit_config.get('force_free_index', False):
gta.free_index(config['selection']['target'], free = False)
gta.free_index(config['selection']['target'], free = True)
gta.load_roi(args.state) # reload the average spectral fit
logging.info('Running sed for {0[target]:s}'.format(config['selection']))
sed = gta.sed(config['selection']['target'],
prefix = args.state,
#outfile = 'sed.fits',
#free_radius = #sed_config['free_radius'],
#free_background= #sed_config['free_background'],
#free_pars = fa.allnorm,
make_plots = args.make_plots,
#cov_scale = sed_config['cov_scale'],
#use_local_index = sed_config['use_local_index'],
#use_local_index = True, # sed_config['use_local_index'],
#bin_index = sed_config['bin_index']
)
logging.info("SED covariance: {0}".format(sed['param_covariance']))
# generate additional SEDs
for src in fit_config.get('additional_seds', []):
sed = gta.sed(src,
prefix = args.state,
#outfile = 'sed.fits',
#free_radius = #sed_config['free_radius'],
#free_background= #sed_config['free_background'],
#free_pars = fa.allnorm,
make_plots = args.make_plots,
#cov_scale = sed_config['cov_scale'],
#use_local_index = sed_config['use_local_index'],
#use_local_index = True, # sed_config['use_local_index'],
#bin_index = sed_config['bin_index']
)
if args.srcprob:
logging.info("Running srcprob with srcmdl {0:s}".format(args.state))
gta.compute_srcprob(xmlfile=args.state, overwrite = True)
return f, gta, fit_config
join(config['savedir'], '{0:05n}'.format(job_id)))
config['ccube'] = join(config['savedir'], 'ccube.fits')
config['expcube'] = join(config['savedir'], 'expcube.fits')
if not config['xmlkey'] == '':
config['savedir'] = mkdir(join(config['savedir'],
config['xmlkey']))
outfile = {'srcmap': join(tmpdir, 'srcmap.fits')}
ops = ['srcmap']
localFilesKeys = ['scfile', 'ltcube', 'ccube', 'expcube', 'xmlmodel']
# if on cluster, copy infiles to cluster scratch
if job_id:
for k in localFilesKeys:
if config[k].find('@') >= 0:
config[k] = '@' + copy2scratch(config[k].lstrip('@'), tmpdir)
else:
if opt.r.find('FullSED') >= 0 and k == 'infile':
copy2scratch(
config[k], join(tmpdir, 'ft1.fits')
) # different name for original ft1 file in SED production required
config[k] = join(tmpdir, 'ft1.fits')
else:
config[k] = copy2scratch(config[k], tmpdir)
nsteps = config['ebins'] if opt.r.find('FullSED') >= 0 else 1
for i in range(nsteps):
if nsteps > 1:
config['emin'], config['emax'], config[
'ebins'] = emin, emax, ebins # restore original values
config['emin'], config['emax'] = set_ebins(i + 1, config)