firecrown.likelihood.gauss_family.statistic.source.weak_lensing.WeakLensing

class firecrown.likelihood.gauss_family.statistic.source.weak_lensing.WeakLensing(*, sacc_tracer, scale=1.0, systematics=None)

Bases: SourceGalaxy[WeakLensingArgs]

Source class for weak lensing.

Parameters:

• sacc_tracer (str) –

• scale (float) –

• systematics (Optional[Sequence[SourceGalaxySystematic[WeakLensingArgs]]]) –

Public Methods:

__init__(*, sacc_tracer[, scale, systematics])	Initialize the WeakLensing object.
create_ready(inferred_zdist[, systematics])	Create a WeakLensing object with the given tracer name and scale.
create_tracers(tools)	Render a source by applying systematics.
get_scale()	Returns the scales for this Source.

Inherited from SourceGalaxy

__init__(*, sacc_tracer[, systematics])

Initialize the SourceGalaxy object.

Inherited from Source

__init__(sacc_tracer)	Create a Source object that uses the named tracer.
read(sacc_data)	Read the data for this source from the SACC file.
get_scale()	Abstract method to return the scales for this Source.
create_tracers(tools)	Create tracers for this Source, for the given cosmology.
get_tracers(tools)	Return the tracer for the given cosmology.

Inherited from Updatable

__init__([parameter_prefix])	Updatable initialization.
__setattr__(key, value)	Set the attribute named key to the supplied value.
set_parameter(key, value)	Sets the parameter to the given value.
set_internal_parameter(key, value)	Assure this InternalParameter has not already been set, and then set it.
set_sampler_parameter(value)	Assure this SamplerParameter has not already been set, and then set it.
update(params)	Update self by calling to prepare for the next MCMC sample.
is_updated()	Determine if the object has been updated.
reset()	Reset the updatable.
required_parameters()	Returns a RequiredParameters object.
get_derived_parameters()	Returns a collection of derived parameters.

Inherited from Generic

__class_getitem__	Parameterizes a generic class.
__init_subclass__	Function to initialize subclasses.

Private Methods:

_update_source(params)	Implementation of Source interface _update_source.
_read(sacc_data)	Read the data for this source from the SACC file.

Inherited from SourceGalaxy

_read(sacc_data)

Read the galaxy redshift distribution model from a sacc file.

Inherited from Source

_read(sacc_data)	Abstract method to read the data for this source from the SACC file.
_update_source(params)	Method to update the source from the given ParamsMap.
_update(params)	Implementation of Updatable interface method _update.

Inherited from Updatable

_update(params)	Method for auxiliary updates to be made to an updatable.
_reset()	Abstract method implemented by all concrete classes to update self.
_required_parameters()	Return a RequiredParameters object containing the information for this class.
_get_derived_parameters()	Returns the derived parameters of an implementation.

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_read(sacc_data)

Read the data for this source from the SACC file.

This sets self.tracer_args, based on the data in sacc_data associated with this object’s sacc_tracer name.

Parameters:

sacc_data (Sacc) –

Return type:

None

final _update_source(params)

Implementation of Source interface _update_source.

This updates all the contained systematics.

Parameters:

params (ParamsMap) –

classmethod create_ready(inferred_zdist, systematics=None)

Create a WeakLensing object with the given tracer name and scale.

Parameters:

• inferred_zdist (InferredGalaxyZDist) –

• systematics (None | list[SourceGalaxySystematic[WeakLensingArgs]]) –

Return type:

WeakLensing

create_tracers(tools)

Render a source by applying systematics.

Parameters:

tools (ModelingTools) –

get_scale()

Returns the scales for this Source.