sourcextractor.config.model_fitting.SersicModel Class Reference

Inheritance diagram for sourcextractor.config.model_fitting.SersicModel:

Collaboration diagram for sourcextractor.config.model_fitting.SersicModel:

Public Member Functions
def	__init__ (self, x_coord, y_coord, flux, effective_radius, aspect_ratio, angle, n)
def	to_string (self, show_params=False)
def	get_params (self)
def	__init__ (self, x_coord, y_coord, flux, effective_radius, aspect_ratio, angle)
def	get_params (self)
def	__init__ (self, x_coord, y_coord, flux)
def	get_params (self)
def	get_params (self)

Public Attributes
	n
Public Attributes inherited from sourcextractor.config.model_fitting.SersicModelBase
	effective_radius
	aspect_ratio
	angle
Public Attributes inherited from sourcextractor.config.model_fitting.CoordinateModelBase
	x_coord
	y_coord
	flux

Detailed Description

Model a source with a Sersic profile.

Parameters
----------
x_coord : ParameterBase or float
    X coordinate (in the detection image)
y_coord : ParameterBase or float
    Y coordinate (in the detection image)
flux : ParameterBase or float
    Total flux
effective_radius : ParameterBase or float
    Ellipse semi-major axis, in pixels on the detection image.
aspect_ratio : ParameterBase or float
    Ellipse ratio.
angle : ParameterBase or float
    Ellipse rotation, in radians
n : ParameterBase or float
    Sersic index

Definition at line 574 of file model_fitting.py.

Constructor & Destructor Documentation

__init__()

def sourcextractor.config.model_fitting.SersicModel.__init__	(		self,
			x_coord,
			y_coord,
			flux,
			effective_radius,
			aspect_ratio,
			angle,
			n
	)

Constructor.

Reimplemented from sourcextractor.config.model_fitting.SersicModelBase.

Definition at line 596 of file model_fitting.py.

Member Function Documentation

get_params()

def sourcextractor.config.model_fitting.SersicModel.get_params

(

self

)

Reimplemented from sourcextractor.config.model_fitting.SersicModelBase.

Definition at line 626 of file model_fitting.py.

References ModelFitting::CompactSersicModel< ImageType >::SersicModelEvaluator.n, std::student_t_distribution.n(), std::chi_squared_distribution.n(), std::fisher_f_distribution.n(), and sourcextractor.config.model_fitting.SersicModel.n.

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to_string()

def sourcextractor.config.model_fitting.SersicModel.to_string	(		self,
			show_params = False
	)

Return a human readable representation of the model.

Parameters
----------
show_params: bool
    If True, include information about the parameters.

Returns
-------
str

Definition at line 604 of file model_fitting.py.

References sourcextractor.config.model_fitting.SersicModelBase.angle, sourcextractor.config.model_fitting.ComputeGraphModel.angle, sourcextractor.config.model_fitting.SersicModelBase.aspect_ratio, sourcextractor.config.model_fitting.ComputeGraphModel.aspect_ratio, sourcextractor.config.model_fitting.SersicModelBase.effective_radius, sourcextractor.config.model_fitting.CoordinateModelBase.flux, Euclid::SourceCatalog::FluxErrorPair.flux, ModelFitting::CompactSersicModel< ImageType >::SersicModelEvaluator.n, std::student_t_distribution.n(), std::chi_squared_distribution.n(), std::fisher_f_distribution.n(), sourcextractor.config.model_fitting.SersicModel.n, sourcextractor.config.model_fitting.CoordinateModelBase.x_coord, and sourcextractor.config.model_fitting.CoordinateModelBase.y_coord.

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Member Data Documentation

n

sourcextractor.config.model_fitting.SersicModel.n

Definition at line 602 of file model_fitting.py.

Referenced by sourcextractor.config.model_fitting.SersicModel.get_params(), and sourcextractor.config.model_fitting.SersicModel.to_string().

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The documentation for this class was generated from the following file:

• SEImplementation/python/sourcextractor/config/model_fitting.py