def from_config(cls, config, **kwargs):
"""
Create a new Simulation instance from a Configuration object.
Parameters
----------
config : tardis.io.config_reader.Configuration
**kwargs
Allow overriding some structures, such as model, plasma, atomic data
and the runner, instead of creating them from the configuration
object.
Returns
-------
Simulation
"""
# Allow overriding some config structures. This is useful in some
# unit tests, and could be extended in all the from_config classmethods.
if 'model' in kwargs:
model = kwargs['model']
else:
model = Radial1DModel.from_config(config)
if 'plasma' in kwargs:
plasma = kwargs['plasma']
else:
plasma = assemble_plasma(config, model,
atom_data=kwargs.get('atom_data', None))
if 'runner' in kwargs:
runner = kwargs['runner']
else:
runner = MontecarloRunner.from_config(config)
luminosity_nu_start = config.supernova.luminosity_wavelength_end.to(
u.Hz, u.spectral())
try:
luminosity_nu_end = config.supernova.luminosity_wavelength_start.to(
u.Hz, u.spectral())
except ZeroDivisionError:
luminosity_nu_end = np.inf * u.Hz
last_no_of_packets = config.montecarlo.last_no_of_packets
if last_no_of_packets is None or last_no_of_packets < 0:
last_no_of_packets = config.montecarlo.no_of_packets
last_no_of_packets = int(last_no_of_packets)
return cls(iterations=config.montecarlo.iterations,
model=model,
plasma=plasma,
runner=runner,
no_of_packets=int(config.montecarlo.no_of_packets),
no_of_virtual_packets=int(
config.montecarlo.no_of_virtual_packets),
luminosity_nu_start=luminosity_nu_start,
luminosity_nu_end=luminosity_nu_end,
last_no_of_packets=last_no_of_packets,
luminosity_requested=config.supernova.luminosity_requested.cgs,
convergence_strategy=config.montecarlo.convergence_strategy,
nthreads=config.montecarlo.nthreads)
def from_config(cls,
config,
packet_source=None,
virtual_packet_logging=False,
**kwargs):
"""
Create a new Simulation instance from a Configuration object.
Parameters
----------
config : tardis.io.config_reader.Configuration
**kwargs
Allow overriding some structures, such as model, plasma, atomic data
and the runner, instead of creating them from the configuration
object.
Returns
-------
Simulation
"""
# Allow overriding some config structures. This is useful in some
# unit tests, and could be extended in all the from_config classmethods.
if "model" in kwargs:
model = kwargs["model"]
else:
if hasattr(config, "csvy_model"):
model = Radial1DModel.from_csvy(config)
else:
model = Radial1DModel.from_config(config)
if "plasma" in kwargs:
plasma = kwargs["plasma"]
else:
plasma = assemble_plasma(config,
model,
atom_data=kwargs.get("atom_data", None))
if "runner" in kwargs:
if packet_source is not None:
raise ConfigurationError(
"Cannot specify packet_source and runner at the same time."
)
runner = kwargs["runner"]
else:
runner = MontecarloRunner.from_config(
config,
packet_source=packet_source,
virtual_packet_logging=virtual_packet_logging,
)
luminosity_nu_start = config.supernova.luminosity_wavelength_end.to(
u.Hz, u.spectral())
if u.isclose(config.supernova.luminosity_wavelength_start,
0 * u.angstrom):
luminosity_nu_end = np.inf * u.Hz
else:
luminosity_nu_end = (
const.c / config.supernova.luminosity_wavelength_start).to(
u.Hz)
last_no_of_packets = config.montecarlo.last_no_of_packets
if last_no_of_packets is None or last_no_of_packets < 0:
last_no_of_packets = config.montecarlo.no_of_packets
last_no_of_packets = int(last_no_of_packets)
return cls(
iterations=config.montecarlo.iterations,
model=model,
plasma=plasma,
runner=runner,
no_of_packets=int(config.montecarlo.no_of_packets),
no_of_virtual_packets=int(config.montecarlo.no_of_virtual_packets),
luminosity_nu_start=luminosity_nu_start,
luminosity_nu_end=luminosity_nu_end,
last_no_of_packets=last_no_of_packets,
luminosity_requested=config.supernova.luminosity_requested.cgs,
convergence_strategy=config.montecarlo.convergence_strategy,
nthreads=config.montecarlo.nthreads,
)