def run(self, return_images=False, return_grids=False):
"""Runs the interferometer simulator and imagers.
Args:
return_images (boolean): If true, return images.
return_grids (boolean): If true, return grids.
"""
# Save flags for use in finalise().
self._return_images = return_images
self._return_grids = return_grids
# Iterate imagers to find any with uniform weighting or W-projection.
need_coords_first = False
for im in self._imagers:
if im.weighting == 'Uniform' or im.algorithm == 'W-projection':
need_coords_first = True
# Simulate coordinates first, if required.
if need_coords_first:
self.set_coords_only(True)
Interferometer.run(self)
self.set_coords_only(False)
# Simulate and image the visibilities.
return Interferometer.run(self)
def run(self, return_images=False, return_grids=False):
"""Runs the interferometer simulator and imagers.
Args:
return_images (boolean): If true, return images.
return_grids (boolean): If true, return grids.
"""
# Save flags for use in finalise().
self._return_images = return_images
self._return_grids = return_grids
# Iterate imagers to find any with uniform weighting or W-projection.
need_coords_first = False
for im in self._imagers:
if im.weighting == 'Uniform' or im.algorithm == 'W-projection':
need_coords_first = True
# Simulate coordinates first, if required.
if need_coords_first:
self.set_coords_only(True)
Interferometer.run(self)
self.set_coords_only(False)
# Simulate and image the visibilities.
return Interferometer.run(self)
def to_interferometer(self):
"""Returns a new interferometer simulator from the current settings.
Returns:
oskar.Interferometer: A configured interferometer simulator.
"""
sim = Interferometer()
sim.capsule = _apps_lib.settings_to_interferometer(self._capsule)
return sim
def to_interferometer(self):
"""Returns a new interferometer simulator from the current settings.
Returns:
oskar.Interferometer: A configured interferometer simulator.
"""
sim = Interferometer()
sim.capsule = _apps_lib.settings_to_interferometer(self._capsule)
return sim
def finalise(self):
"""Called automatically by the base class at the end of run()."""
Interferometer.finalise(self)
if not self.coords_only:
imager_output_data = []
for im in self._imagers:
imager_output_data.append(im.finalise(
return_images=self._return_images,
return_grids=self._return_grids))
return imager_output_data
def finalise(self):
"""Called automatically by the base class at the end of run()."""
Interferometer.finalise(self)
if not self.coords_only:
imager_output_data = []
for im in self._imagers:
imager_output_data.append(im.finalise(
return_images=self._return_images,
return_grids=self._return_grids))
return imager_output_data
def __init__(self, imagers, precision=None, settings=None):
"""Creates the simulator, storing a handle to the imagers.
Args:
imagers (oskar.Imager list):
List of OSKAR imagers to use.
precision (Optional[str]):
Either 'double' or 'single' to specify the numerical
precision of the simulation. Default 'double'.
settings (Optional[oskar.SettingsTree]):
Optional settings to use to set up the simulator.
"""
Interferometer.__init__(self, precision, settings)
self._imagers = imagers
self._return_images = False
self._return_grids = False
def __init__(self, imagers, precision=None, settings=None):
"""Creates the simulator, storing a handle to the imagers.
Args:
imagers (oskar.Imager list):
List of OSKAR imagers to use.
precision (Optional[str]):
Either 'double' or 'single' to specify the numerical
precision of the simulation. Default 'double'.
settings (Optional[oskar.SettingsTree]):
Optional settings to use to set up the simulator.
"""
Interferometer.__init__(self, precision, settings)
self._imagers = imagers
self._return_images = False
self._return_grids = False
def set_coords_only(self, value):
"""Calls set_coords_only() on interferometer and imager objects."""
Interferometer.set_coords_only(self, value)
for im in self._imagers:
im.set_coords_only(value)
def set_coords_only(self, value):
"""Calls set_coords_only() on interferometer and imager objects."""
Interferometer.set_coords_only(self, value)
for im in self._imagers:
im.set_coords_only(value)