def make_image_from_2d_bg():
center = SkyCoord(83.63, 22.01, unit='deg').galactic
energy_band = Energy([1, 10], 'TeV')
offset_band = Angle([0, 2.49], 'deg')
data_store = DataStore.from_dir(
'/Users/jouvin/Desktop/these/temp/bg_model_image/')
# TODO: fix `binarize` implementation
# exclusion_mask = exclusion_mask.binarize()
image = SkyMap.empty(nxpix=250,
nypix=250,
binsz=0.02,
xref=center.l.deg,
yref=center.b.deg,
proj='TAN',
coordsys='GAL')
refheader = image.to_image_hdu().header
exclusion_mask = ExclusionMask.read(
'$GAMMAPY_EXTRA/datasets/exclusion_masks/tevcat_exclusion.fits')
exclusion_mask = exclusion_mask.reproject(reference=refheader)
mosaic_images = MosaicImage(image,
energy_band=energy_band,
offset_band=offset_band,
data_store=data_store,
obs_table=data_store.obs_table,
exclusion_mask=exclusion_mask)
mosaic_images.make_images(make_background_image=True,
for_integral_flux=True,
radius=10.)
filename = 'fov_bg_maps_test.fits'
log.info('Writing {}'.format(filename))
mosaic_images.maps.write(filename, clobber=True)
def test_image_pipe(tmpdir):
tmpdir = str(tmpdir)
from subprocess import call
outdir = tmpdir
outdir2 = outdir + '/background'
cmd = 'mkdir -p {}'.format(outdir2)
print('Executing: {}'.format(cmd))
call(cmd, shell=True)
ds = DataStore.from_dir("$GAMMAPY_EXTRA/datasets/hess-crab4-hd-hap-prod2")
ds.copy_obs(ds.obs_table, tmpdir)
data_store = DataStore.from_dir(tmpdir)
bgmaker = OffDataBackgroundMaker(data_store, outdir=outdir2)
bgmaker.select_observations(selection='all')
bgmaker.group_observations()
bgmaker.make_model("2D")
bgmaker.save_models("2D")
fn = outdir2 + '/group-def.fits'
hdu_index_table = bgmaker.make_total_index_table(
data_store=data_store,
modeltype='2D',
out_dir_background_model=outdir2,
filename_obs_group_table=fn
)
fn = outdir + '/hdu-index.fits.gz'
hdu_index_table.write(fn, overwrite=True)
tmpdir = str(tmpdir)
center = SkyCoord(83.63, 22.01, unit='deg').galactic
energy_band = Energy([1, 10], 'TeV')
offset_band = Angle([0, 2.49], 'deg')
data_store = DataStore.from_dir(tmpdir)
# TODO: fix `binarize` implementation
# exclusion_mask = exclusion_mask.binarize()
image = SkyImage.empty(nxpix=250, nypix=250, binsz=0.02, xref=center.l.deg,
yref=center.b.deg, proj='TAN', coordsys='GAL')
refheader = image.to_image_hdu().header
exclusion_mask = SkyMask.read('$GAMMAPY_EXTRA/datasets/exclusion_masks/tevcat_exclusion.fits')
exclusion_mask = exclusion_mask.reproject(reference=refheader)
# Pb with the load psftable for one of the run that is not implemented yet...
data_store.hdu_table.remove_row(14)
mosaic = MosaicImage(image, energy_band=energy_band, offset_band=offset_band, data_store=data_store,
obs_table=data_store.obs_table, exclusion_mask=exclusion_mask)
mosaic.make_images(make_background_image=True, for_integral_flux=True, radius=10.)
assert_allclose(mosaic.maps['counts'].data.sum(), 2334.0, atol=3)
assert_allclose(mosaic.maps['bkg'].data.sum(), 1987.1513636663785, atol=3)
assert_allclose(mosaic.maps['exposure'].data.sum(), 54190569251987.68, atol=3)
assert_allclose(mosaic.maps['significance'].lookup(center), 33.707901541600634, atol=3)
assert_allclose(mosaic.maps['excess'].data.sum(), 346.8486363336217, atol=3)
def make_image_from_2d_bg():
center = SkyCoord(83.63, 22.01, unit='deg').galactic
energy_band = Energy([1, 10], 'TeV')
offset_band = Angle([0, 2.49], 'deg')
data_store = DataStore.from_dir('/Users/jouvin/Desktop/these/temp/bg_model_image/')
# TODO: fix `binarize` implementation
# exclusion_mask = exclusion_mask.binarize()
image = SkyImage.empty(nxpix=250, nypix=250, binsz=0.02, xref=center.l.deg,
yref=center.b.deg, proj='TAN', coordsys='GAL')
refheader = image.to_image_hdu().header
exclusion_mask = SkyMask.read('$GAMMAPY_EXTRA/datasets/exclusion_masks/tevcat_exclusion.fits')
exclusion_mask = exclusion_mask.reproject(reference=refheader)
mosaic_images = MosaicImage(image, energy_band=energy_band, offset_band=offset_band, data_store=data_store,
obs_table=data_store.obs_table, exclusion_mask=exclusion_mask)
mosaic_images.make_images(make_background_image=True, for_integral_flux=True, radius=10., make_psf = True,
region_center=center)
filename = 'fov_bg_maps.fits'
log.info('Writing {}'.format(filename))
mosaic_images.maps.write(filename, clobber=True)