def test_continuum_imaging_pipeline(self):
continuum_imaging_graph = \
create_continuum_imaging_pipeline_graph(self.vis_graph_list, model_graph=self.model_graph,
c_deconvolve_graph=create_deconvolve_facet_graph,
c_invert_graph=create_invert_wstack_graph,
c_residual_graph=create_residual_wstack_graph,
vis_slices=self.vis_slices, facets=2,
niter=1000, fractional_threshold=0.1,
threshold=2.0, nmajor=0, gain=0.1)
if self.compute:
clean, residual, restored = continuum_imaging_graph.compute()
export_image_to_fits(
clean,
'%s/test_pipelines_continuum_imaging_pipeline_clean.fits' %
(self.results_dir))
export_image_to_fits(
residual[0],
'%s/test_pipelines_continuum_imaging_pipeline_residual.fits' %
(self.results_dir))
export_image_to_fits(
restored,
'%s/test_pipelines_continuum_imaging_pipeline_restored.fits' %
(self.results_dir))
qa = qa_image(restored)
assert numpy.abs(qa.data['max'] - 100.0) < 5.0, str(qa)
assert numpy.abs(qa.data['min'] + 5.0) < 5.0, str(qa)
def test_ical_pipeline(self):
self.actualSetUp(add_errors=True, block=True)
controls = create_calibration_controls()
controls['T']['first_selfcal'] = 2
controls['G']['first_selfcal'] = 3
controls['B']['first_selfcal'] = 4
controls['T']['timescale'] = 'auto'
controls['G']['timescale'] = 'auto'
controls['B']['timescale'] = 1e5
ical_graph = \
create_ical_pipeline_graph(self.vis_graph_list, model_graph=self.model_graph, context='wstack',
do_selfcal=1, global_solution=False, algorithm='mmclean', vis_slices=51,
facets=1, niter=1000, fractional_threshold=0.1, nmoments=3, nchan=self.freqwin,
threshold=2.0, nmajor=6, gain=0.1)
if self.compute:
clean, residual, restored = ical_graph.compute()
export_image_to_fits(
clean[0],
'%s/test_pipelines_ical_pipeline_clean.fits' % self.dir)
export_image_to_fits(
residual[0][0],
'%s/test_pipelines_ical_pipeline_residual.fits' % self.dir)
export_image_to_fits(
restored[0],
'%s/test_pipelines_ical_pipeline_restored.fits' % self.dir)
qa = qa_image(restored[0])
assert numpy.abs(qa.data['max'] - 116.86978265) < 5.0, str(qa)
assert numpy.abs(qa.data['min'] + 0.323425377573) < 5.0, str(qa)
def _invert_base(self,
context='2d',
extra='',
flux_max=100.0,
flux_min=-0.2,
flux_tolerance=5.0):
dirty_graph = create_invert_graph(self.vis_graph_list,
self.model_graph,
context=context,
dopsf=False,
normalize=True,
**self.params)
if self.compute:
dirty = dirty_graph[0].compute()
export_image_to_fits(
dirty[0], '%s/test_imaging_delayed_invert_%s%s_dirty.fits' % (
self.dir,
context,
extra,
))
qa = qa_image(dirty[0])
assert numpy.abs(qa.data['max'] -
flux_max) < flux_tolerance, str(qa)
assert numpy.abs(qa.data['min'] -
flux_min) < flux_tolerance, str(qa)
def test_continuum_imaging_pipeline(self): \
# Note that the image is poor because we set the number of wstack's to be smaller than
# recommended. Setting it to e.g. 51 gives a better image but at the cost of longer run time.
self.actualSetUp(add_errors=False, block=True)
continuum_imaging_graph = \
create_continuum_imaging_pipeline_graph(self.vis_graph_list, model_graph=self.model_graph,
algorithm='mmclean',
nmoments=3, nchan=self.freqwin,
context='wstack', niter=1000, fractional_threshold=0.1,
threshold=2.0, nmajor=0, gain=0.1, vis_slices=11)
if self.compute:
clean, residual, restored = continuum_imaging_graph.compute()
export_image_to_fits(
clean[0],
'%s/test_pipelines_continuum_imaging_pipeline_clean.fits' %
self.dir)
export_image_to_fits(
residual[0][0],
'%s/test_pipelines_continuum_imaging_pipeline_residual.fits' %
self.dir)
export_image_to_fits(
restored[0],
'%s/test_pipelines_continuum_imaging_pipeline_restored.fits' %
self.dir)
qa = qa_image(restored[0])
assert numpy.abs(qa.data['max'] - 116.86978265) < 5.0, str(qa)
assert numpy.abs(qa.data['min'] + 0.323425377573) < 5.0, str(qa)
def test_continuum_imaging_pipeline(self):
self.actualSetUp(add_errors=False, block=True)
continuum_imaging_graph = \
create_continuum_imaging_pipeline_graph(self.vis_graph_list, model_graph=self.model_graph,
algorithm='mmclean',
nmoments=3, nchan=self.freqwin,
context='wstack', niter=1000, fractional_threshold=0.1,
threshold=2.0, nmajor=0, gain=0.1, vis_slices=51)
if self.compute:
clean, residual, restored = continuum_imaging_graph.compute()
export_image_to_fits(
clean[0],
'%s/test_pipelines_continuum_imaging_pipeline_clean.fits' %
self.dir)
export_image_to_fits(
residual[0][0],
'%s/test_pipelines_continuum_imaging_pipeline_residual.fits' %
self.dir)
export_image_to_fits(
restored[0],
'%s/test_pipelines_continuum_imaging_pipeline_restored.fits' %
self.dir)
qa = qa_image(restored[0])
assert numpy.abs(qa.data['max'] - 116.86978265) < 5.0, str(qa)
assert numpy.abs(qa.data['min'] + 0.323425377573) < 5.0, str(qa)
def test_residual_image_bag(self):
context = 'wstack'
vis_slices = {'wstack': 101}
dirty_bag = invert_bag(self.vis_bag,
self.empty_model_bag,
dopsf=False,
context=context,
normalize=True,
vis_slices=vis_slices[context])
psf_bag = invert_bag(self.vis_bag,
self.empty_model_bag,
dopsf=True,
context=context,
normalize=True,
vis_slices=vis_slices[context])
dirty_bag = reify(dirty_bag)
psf_bag = reify(psf_bag)
model_bag = deconvolve_bag(dirty_bag,
psf_bag,
self.empty_model_bag,
niter=1000,
gain=0.1,
algorithm='msclean',
threshold=0.01,
window_shape=None)
residual_bag = residual_image_bag(self.vis_bag,
model_bag,
context=context,
vis_slices=vis_slices[context])
final = residual_bag.compute()[0]['image'][0]
export_image_to_fits(
final, '%s/test_bags_%s_residual.fits' % (self.dir, context))
qa = qa_image(final, context=context)
assert qa.data['max'] < 15.0, str(qa)
def test_deconvolve_bag(self):
context = 'wstack'
vis_slices = {'2d': None, 'timeslice': 'auto', 'wstack': 101}
dirty_bag = invert_bag(self.vis_bag,
self.model_bag,
dopsf=False,
context=context,
normalize=True,
vis_slices=vis_slices[context])
psf_bag = invert_bag(self.vis_bag,
self.model_bag,
dopsf=True,
context=context,
normalize=True,
vis_slices=vis_slices[context])
dirty_bag = reify(dirty_bag)
psf_bag = reify(psf_bag)
model_bag = deconvolve_bag(dirty_bag,
psf_bag,
self.empty_model_bag,
niter=1000,
gain=0.7,
algorithm='msclean',
threshold=0.01,
window_shape=None)
model = model_bag.compute()[0]['image']
qa = qa_image(model, context=context)
export_image_to_fits(
model, '%s/test_bags_%s_deconvolve.fits' % (self.dir, context))
assert numpy.abs(qa.data['max'] - 60.5) < 0.1, str(qa)
def test_deconvolve_bag(self):
context = 'wstack'
vis_slices = {'2d': None, 'timeslice': 'auto', 'wstack': 101}
dirty_bag = invert_bag(self.vis_bag,
self.model,
dopsf=False,
context=context,
normalize=True,
vis_slices=vis_slices[context])
psf_bag = invert_bag(self.vis_bag,
self.model,
dopsf=True,
context=context,
normalize=True,
vis_slices=vis_slices[context])
model_bag = deconvolve_bag(dirty_bag,
psf_bag,
niter=1000,
gain=0.7,
algorithm='msclean',
threshold=0.01,
window_shape=None)
model = list(model_bag)[0]
qa = qa_image(model, context=context)
export_image_to_fits(
model,
'%s/test_bag_%s_deconvolve.fits' % (self.results_dir, context))
assert numpy.abs(qa.data['max'] - 60.5293158864) < 1.0e-7, str(qa)
def test_residual_image_bag(self):
context = 'wstack'
vis_slices = {'2d': None, 'timeslice': 'auto', 'wstack': 101}
dirty_bag = invert_bag(self.vis_bag,
self.model,
dopsf=False,
context=context,
normalize=True,
vis_slices=vis_slices[context])
psf_bag = invert_bag(self.vis_bag,
self.model,
dopsf=True,
context=context,
normalize=True,
vis_slices=vis_slices[context])
model_bag = deconvolve_bag(dirty_bag,
psf_bag,
niter=1000,
gain=0.1,
algorithm='msclean',
threshold=0.01,
window_shape=None)
residual_bag = residual_image_bag(self.vis_bag,
model_bag,
context=context,
vis_slices=vis_slices[context])
final = list(residual_bag)[0][0]
export_image_to_fits(
final,
'%s/test_bag_%s_residual.fits' % (self.results_dir, context))
qa = qa_image(final, context=context)
assert qa.data['max'] < 15.0, str(qa)
def test_deconvolution_channel_graph(self):
self.vis_graph_list = self.setupVis(freqwin=8)
self.model_graph = delayed(self.get_LSM)(self.vis_graph_list[self.nvis // 2], frequency=self.frequency)
model_graph = delayed(self.get_LSM)(self.vis_graph_list[self.nvis // 2],
flux=0.0)
dirty_graph = create_invert_wstack_graph(self.vis_graph_list, model_graph,
dopsf=False, vis_slices=self.vis_slices)
psf_model_graph = delayed(self.get_LSM)(self.vis_graph_list[self.nvis // 2],
flux=0.0)
psf_graph = create_invert_wstack_graph(self.vis_graph_list, psf_model_graph,
vis_slices=self.vis_slices,
dopsf=True)
channel_images = 4
clean_graph = create_deconvolve_channel_graph(dirty_graph, psf_graph, model_graph,
algorithm='hogbom', niter=1000,
fractional_threshold=0.02, threshold=2.0,
gain=0.1, subimages=channel_images)
if self.compute:
result = clean_graph.compute()
export_image_to_fits(result, '%s/test_imaging_deconvolution_channels%d.clean.fits' %
(self.results_dir, channel_images))
qa = qa_image(result)
assert numpy.abs(qa.data['max'] - 100.1) < 1.0, str(qa)
assert numpy.abs(qa.data['min'] + 1.8) < 1.0, str(qa)
def test_ical_pipeline_global(self):
self.setupVis(add_errors=True)
ical_graph = \
create_ical_pipeline_graph(self.vis_graph_list, model_graph=self.model_graph,
c_deconvolve_graph=create_deconvolve_facet_graph,
c_predict_graph=create_predict_wstack_graph,
c_invert_graph=create_invert_wstack_graph,
c_residual_graph=create_residual_wstack_graph,
c_selfcal_graph=create_selfcal_graph_list,
global_solution=True,
vis_slices=self.vis_slices, facets=2,
niter=1000, fractional_threshold=0.1,
threshold=2.0, nmajor=5, gain=0.1, first_selfcal=1)
if self.compute:
clean, residual, restored = ical_graph.compute()
export_image_to_fits(
clean, '%s/test_pipelines_ical_pipeline_global_clean.fits' %
(self.results_dir))
export_image_to_fits(
residual[0],
'%s/test_pipelines_ical_pipeline_global_residual.fits' %
(self.results_dir))
export_image_to_fits(
restored,
'%s/test_pipelines_ical_pipeline_global_restored.fits' %
(self.results_dir))
qa = qa_image(restored)
assert numpy.abs(qa.data['max'] - 100.0) < 5.0, str(qa)
assert numpy.abs(qa.data['min'] + 5.0) < 5.0, str(qa)
def test_predict_bag(self):
errors = {'2d': 28.0, 'timeslice': 30.0, 'wstack': 2.3}
vis_slices = {'2d': None, 'timeslice': 'auto', 'wstack': 101}
for context in ['wstack', 'timeslice']:
model_vis_bag = predict_bag(self.vis_bag,
self.model_bag,
context,
vis_slices=vis_slices[context])
model_vis_bag = reify(model_vis_bag)
error_vis_bag = self.vis_bag.map(predict_record_subtract,
model_vis_bag)
error_vis_bag = reify(error_vis_bag)
error_image_bag = invert_bag(error_vis_bag,
self.model_bag,
dopsf=False,
context=context,
normalize=True,
vis_slices=vis_slices[context])
result = error_image_bag.compute()
error_image = result[0]['image'][0]
export_image_to_fits(
error_image, '%s/test_bags_%s_predict_error_image.fits' %
(self.dir, context))
qa = qa_image(error_image, context='error image for %s' % context)
assert qa.data['max'] < errors[context], str(qa)
def test_create_image_from_array(self):
m31model_by_array = create_image_from_array(self.m31image.data, wcs=None)
m31model_by_array = create_image_from_array(self.m31image.data, self.m31image.wcs)
add_image(self.m31image, m31model_by_array)
add_image(self.m31image, m31model_by_array, docheckwcs=True)
assert m31model_by_array.shape == self.m31image.shape
log.debug(export_image_to_fits(self.m31image, fitsfile='%s/test_model.fits' % (self.dir)))
log.debug(qa_image(m31model_by_array, context='test_create_from_image'))
def test_residual_image_bag_model(self):
cvis_bag = self.vis_bag.map(coalesce_visibility)
context = 'wstack'
vis_slices = {'2d': None, 'timeslice': 'auto', 'wstack': 101}
residual_bag = residual_image_bag(cvis_bag, self.model_bag, context=context, vis_slices=vis_slices[context])
final = list(residual_bag)[0][0]
export_image_to_fits(final, '%s/test_bag_%s_residual_image_bag.fits' % (self.results_dir, context))
qa = qa_image(final, context=context)
assert qa.data['max'] < 2.3, str(qa)
def qa_image_bag(im, context=''):
""" Print qa on images, use this in a sequence of bag operations
Can be used in bag.map() as a passthru
:param im:
:return:
"""
s = qa_image(im, context=context)
log.info(s)
return im
def test_gleam_model_graph(self):
vis_graph_list = create_simulate_vis_graph(
frequency=self.frequency, channel_bandwidth=self.channel_bandwidth)
model_list = create_gleam_model_graph(
vis_graph_list[0],
frequency=self.frequency,
channel_bandwidth=self.channel_bandwidth,
npixel=256)
if self.compute:
qa = qa_image(model_list.compute())
assert qa.data['max'] > 0.0
def test_invert_facet_graph(self):
dirty_graph = create_invert_facet_graph(self.vis_graph_list, self.model_graph,
dopsf=False, normalize=True, facets=4)
if self.compute:
dirty = dirty_graph.compute()
export_image_to_fits(dirty[0], '%s/test_imaging_invert_facet_dirty.fits' % (self.results_dir))
qa = qa_image(dirty[0])
assert numpy.abs(qa.data['max'] - 101.7) < 1.0, str(qa)
assert numpy.abs(qa.data['min'] + 3.5) < 1.0, str(qa)
def test_invert_bag(self):
peaks = {'2d': 65.2997439062, 'timeslice': 99.6183393299, 'wstack': 100.702701119}
vis_slices = {'2d': None, 'timeslice': 'auto', 'wstack': 101}
for context in ['wstack', '2d', 'timeslice']:
dirty_bag = invert_bag(self.vis_bag, self.empty_model, dopsf=False,
context=context, normalize=True,
vis_slices=vis_slices[context])
dirty_bag.visualize('test_invert_bag.svg')
result=dirty_bag.compute()
dirty, sumwt = list(dirty_bag)[0]
export_image_to_fits(dirty, '%s/test_bag_%s_dirty.fits' % (self.results_dir, context))
qa = qa_image(dirty, context=context)
assert numpy.abs(qa.data['max'] - peaks[context]) < 1.0e-2, str(qa)
def test_residual_image_bag_model(self):
context = 'wstack'
vis_slices = {'wstack': 101}
residual_bag = residual_image_bag(self.vis_bag,
self.model_bag,
context=context,
vis_slices=vis_slices[context])
final = residual_bag.compute()[0]['image'][0]
export_image_to_fits(
final,
'%s/test_bags_%s_residual_image_bag.fits' % (self.dir, context))
qa = qa_image(final, context=context)
assert qa.data['max'] < 2.3, str(qa)
def test_sagecal_solve_delayed(self):
self.actualSetup()
sagecal_graph = create_sagecal_solve_graph(self.vis, self.components, niter=30, gain=0.25, tol=1e-8)
sagecal_graph.visualize("%s/sagecal.svg" % self.dir)
thetas, residual_vis = sagecal_graph.compute()
residual_vis = convert_blockvisibility_to_visibility(residual_vis)
residual_vis, _, _ = weight_visibility(residual_vis, self.beam)
dirty, sumwt = invert_function(residual_vis, self.beam, context='2d')
export_image_to_fits(dirty, "%s/test_sagecal-delayed-final_residual.fits" % self.dir)
qa = qa_image(dirty)
assert qa.data['rms'] < 4e-3, qa
def test_invert_wstack_graph_wprojection(self):
dirty_graph = create_invert_wstack_graph(self.vis_graph_list, self.model_graph,
dopsf=False, normalize=True, vis_slices=self.vis_slices//10,
wstep=4.0, facets=2,
kernel='wprojection')
if self.compute:
dirty = dirty_graph.compute()
export_image_to_fits(dirty[0], '%s/test_imaging_invert_wstack_wprojection_dirty.fits' % (self.results_dir))
qa = qa_image(dirty[0])
assert numpy.abs(qa.data['max'] - 101.7) < 1.0, str(qa)
assert numpy.abs(qa.data['min'] + 3.5) < 1.0, str(qa)
def test_residual_wstack_graph_wprojection(self):
self.model_graph = delayed(self.get_LSM)(self.vis_graph_list[self.nvis // 2], flux=100.0)
dirty_graph = create_residual_wstack_graph(self.vis_graph_list, self.model_graph,
kernel='wprojection', vis_slices=11, wstep=10.0)
if self.compute:
dirty = dirty_graph.compute()
export_image_to_fits(dirty[0], '%s/test_imaging_residual_wprojection.fits' %
(self.results_dir))
qa = qa_image(dirty[0])
assert numpy.abs(qa.data['max'] - 101.7) < 1.0, str(qa)
assert numpy.abs(qa.data['min'] + 3.5) < 1.0, str(qa)
def test_invert_wstack_graph(self):
dirty_graph = create_invert_wstack_graph(self.vis_graph_list,
self.model_graph,
dopsf=False,
normalize=True,
vis_slices=self.vis_slices)
dirty = dirty_graph.compute()
export_image_to_fits(
dirty[0],
'%s/test_imaging_dask_invert_dirty.fits' % (self.results_dir))
qa = qa_image(dirty[0])
assert numpy.abs(qa.data['max'] - 104.0) < 1.0
assert numpy.abs(qa.data['min'] + 5.0) < 1.0
def test_continuum_imaging_pipeline(self):
continuum_imaging_graph = \
create_continuum_imaging_pipeline_graph(self.vis_graph_list, model_graph=self.model_graph,
context='wstack', niter=1000, fractional_threshold=0.1,
threshold=2.0, nmajor=0, gain=0.1)
if self.compute:
clean, residual, restored = continuum_imaging_graph.compute()
export_image_to_fits(clean[0], '%s/test_pipelines_continuum_imaging_pipeline_clean.fits' % self.dir)
export_image_to_fits(residual[0],
'%s/test_pipelines_continuum_imaging_pipeline_residual.fits' % self.dir)
export_image_to_fits(restored,
'%s/test_pipelines_continuum_imaging_pipeline_restored.fits' % self.dir)
qa = qa_image(restored)
assert numpy.abs(qa.data['max'] - 100.0) < 5.0, str(qa)
assert numpy.abs(qa.data['min'] + 5.0) < 5.0, str(qa)
def test_sagecal_solve(self):
self.actualSetup()
thetas, residual_vis = sagecal_solve(self.vis, self.components, niter=30, gain=0.25, tol=1e-8)
residual_vis = convert_blockvisibility_to_visibility(residual_vis)
residual_vis, _, _ = weight_visibility(residual_vis, self.beam)
dirty, sumwt = invert_function(residual_vis, self.beam, context='2d')
export_image_to_fits(dirty, "%s/test_sagecal-final_residual.fits" % self.dir)
# for i, theta in enumerate(thetas):
# print('Component %d, original flux = %s, recovered flux = %s, gain residual = %s' %
# (i, str(self.components[i].flux[0, 0]), str(theta[0].flux[0, 0]),
# str(numpy.max(theta[1].residual))))
#
qa = qa_image(dirty)
assert qa.data['rms'] < 4e-3, qa
def test_residual_facet_wstack_graph(self):
self.model_graph = delayed(self.get_LSM)(self.vis_graph_list[self.nvis // 2],
flux=100.0)
dirty_graph = create_residual_facet_wstack_graph(self.vis_graph_list, self.model_graph,
facets=4, vis_slices=self.vis_slices)
if self.compute:
dirty = dirty_graph.compute()
export_image_to_fits(dirty[0], '%s/test_imaging_residual_wstack_slices%d.fits' %
(self.results_dir, self.vis_slices))
qa = qa_image(dirty[0])
assert numpy.abs(qa.data['max'] - 101.7) < 1.0, str(qa)
assert numpy.abs(qa.data['min'] + 3.5) < 1.0, str(qa)
def test_predict_bag(self):
cvis_bag = self.vis_bag.map(coalesce_visibility)
errors = {'2d': 28.0, 'timeslice': 30.0, 'wstack': 2.3}
vis_slices = {'2d': None, 'timeslice': 'auto', 'wstack': 101}
for context in ['timeslice', 'wstack']:
model_vis_bag = predict_bag(cvis_bag, self.model_bag, context, vis_slices=vis_slices[context])\
.map(decoalesce_visibility, self.vis_bag)
model_vis_bag = bag.from_sequence(model_vis_bag.compute())
error_vis_bag = self.vis_bag.map(subtract_visibility, model_vis_bag).compute()
error_vis_bag = bag.from_sequence(error_vis_bag)
error_image_bag = invert_bag(error_vis_bag, self.model_bag, dopsf=False,
context=context, normalize=True, vis_slices=vis_slices[context])
result = list(error_image_bag)[0]
error_image = result[0]
export_image_to_fits(error_image, '%s/test_bag_%s_predict_error_image.fits' % (self.results_dir, context))
qa = qa_image(error_image, context='error image for %s' % context)
assert qa.data['max'] < errors[context], str(qa)
def test_continuum_imaging_pipeline(self):
self.vis_slices = 51
self.context = 'wstack_single'
continuum_imaging_bag = \
continuum_imaging_pipeline_bag(self.vis_bag, model_bag=self.model_bag,
context=self.context,
vis_slices=self.vis_slices,
niter=1000, fractional_threshold=0.1,
threshold=2.0, nmajor=0, gain=0.1)
if self.compute:
clean, residual, restored = continuum_imaging_bag.compute()
clean = clean.compute()[0]['image']
export_image_to_fits(
clean, '%s/test_pipelines_continuum_imaging_bag_clean.fits' %
(self.dir))
qa = qa_image(clean)
assert numpy.abs(qa.data['max'] - 100.0) < 5.0, str(qa)
assert numpy.abs(qa.data['min'] + 5.0) < 5.0, str(qa)
def test_ical_pipeline(self):
self.vis_slices = 51
self.context = 'wstack_single'
self.setupVis(add_errors=True)
ical_bag = \
ical_pipeline_bag(self.vis_bag, model_bag=self.model_bag,
context=self.context,
vis_slices=self.vis_slices,
niter=1000, fractional_threshold=0.1,
threshold=2.0, nmajor=5, gain=0.1, first_selfcal=1, global_solution=False)
if self.compute:
clean, residual, restored = ical_bag.compute()
clean = clean.compute()[0]['image']
export_image_to_fits(
clean, '%s/test_pipelines_ical_bag_clean.fits' % (self.dir))
qa = qa_image(clean)
assert numpy.abs(qa.data['max'] - 92) < 5.0, str(qa)
assert numpy.abs(qa.data['min']) < 5.0, str(qa)
def test_restore_bag(self):
peaks = {'wstack': 98.8113067286}
vis_slices = {'wstack': 101}
context = 'wstack'
dirty_bag = invert_bag(self.vis_bag,
self.model_bag,
dopsf=False,
context=context,
normalize=True,
vis_slices=vis_slices[context])
psf_bag = invert_bag(self.vis_bag,
self.model_bag,
dopsf=True,
context=context,
normalize=True,
vis_slices=vis_slices[context])
dirty_bag = reify(dirty_bag)
psf_bag = reify(psf_bag)
model_bag = deconvolve_bag(dirty_bag,
psf_bag,
self.empty_model_bag,
niter=1000,
gain=0.7,
algorithm='msclean',
threshold=0.01,
window_shape=None)
model_bag = reify(model_bag)
res_image_bag = residual_image_bag(self.vis_bag,
model_bag,
context=context,
vis_slices=vis_slices[context])
res_image_bag = reify(res_image_bag)
residual = res_image_bag.compute()[0]['image'][0]
export_image_to_fits(
residual, '%s/test_bags_%s_residual.fits' % (self.dir, context))
final_bag = restore_bag(model_bag, psf_bag, res_image_bag)
final = final_bag.compute()[0]
qa = qa_image(final, context=context)
export_image_to_fits(
final, '%s/test_bags_%s_restored.fits' % (self.dir, context))
assert numpy.abs(qa.data['max'] - peaks[context]) < 0.1, str(qa)
