The main control object for CModel, containing parameters for the final linear fit and aggregating the other control objects. More...

#include <CModel.h>

Public Member Functions
	CModelControl ()

Public Attributes
std::string	psfName
	"Field name prefix of the Shapelet PSF approximation used to convolve the galaxy model; " "must contain a set of fields matching the schema defined by shapelet.MultiShapeletFunctionKey." ;

PixelFitRegionControl	region
	"Configuration parameters related to the determination of the pixels to include in the fit." ;

CModelStageControl	initial
	"An initial fit (usually with a fast, approximate model) used to warm-start the exp and dev fits, " "convolved with only the zeroth-order terms in the multi-shapelet PSF approximation." ;

CModelStageControl	exp
	"Independent fit of the exponential component" ;

CModelStageControl	dev
	"Independent fit of the de Vaucouleur component" ;

double	minInitialRadius
	"Minimum initial radius in pixels (used to regularize initial moments-based PSF deconvolution)" ;

double	fallbackInitialMomentsPsfFactor
	"If the 2nd-moments shape used to initialize the fit failed, use the PSF moments multiplied by this." " If <= 0.0, abort the fit early instead." ;

Detailed Description

The main control object for CModel, containing parameters for the final linear fit and aggregating the other control objects.

Definition at line 233 of file CModel.h.

Constructor & Destructor Documentation

◆ CModelControl()

lsst::meas::modelfit::CModelControl::CModelControl ( )

inline

Definition at line 235 of file CModel.h.

                    :
        psfName("modelfit_DoubleShapeletPsfApprox"),
        minInitialRadius(0.1),
        fallbackInitialMomentsPsfFactor(1.5)
    {
        initial.nComponents = 3; // use very rough model in initial fit
        initial.optimizer.gradientThreshold = 1E-3; // with slightly coarser convergence criteria
        initial.optimizer.minTrustRadiusThreshold = 1E-2;
        initial.usePixelWeights = true;
        dev.profileName = "luv";
        exp.nComponents = 6;
        exp.optimizer.maxOuterIterations = 250;
    }

Member Data Documentation

◆ dev

CModelStageControl lsst::meas::modelfit::CModelControl::dev

"Independent fit of the de Vaucouleur component" ;

Definition at line 275 of file CModel.h.

◆ exp

CModelStageControl lsst::meas::modelfit::CModelControl::exp

"Independent fit of the exponential component" ;

Definition at line 270 of file CModel.h.

◆ fallbackInitialMomentsPsfFactor

double lsst::meas::modelfit::CModelControl::fallbackInitialMomentsPsfFactor

"If the 2nd-moments shape used to initialize the fit failed, use the PSF moments multiplied by this." " If <= 0.0, abort the fit early instead." ;

Definition at line 286 of file CModel.h.

◆ initial

CModelStageControl lsst::meas::modelfit::CModelControl::initial

"An initial fit (usually with a fast, approximate model) used to warm-start the exp and dev fits, " "convolved with only the zeroth-order terms in the multi-shapelet PSF approximation." ;

Definition at line 265 of file CModel.h.

◆ minInitialRadius

double lsst::meas::modelfit::CModelControl::minInitialRadius

"Minimum initial radius in pixels (used to regularize initial moments-based PSF deconvolution)" ;

Definition at line 280 of file CModel.h.

◆ psfName

std::string lsst::meas::modelfit::CModelControl::psfName

"Field name prefix of the Shapelet PSF approximation used to convolve the galaxy model; " "must contain a set of fields matching the schema defined by shapelet.MultiShapeletFunctionKey." ;

Definition at line 254 of file CModel.h.

◆ region

PixelFitRegionControl lsst::meas::modelfit::CModelControl::region

"Configuration parameters related to the determination of the pixels to include in the fit." ;

Definition at line 259 of file CModel.h.

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

/j/snowflake/release/lsstsw/stack/lsst-scipipe-12.0.0/Linux/meas_modelfit/g7aefaa3e3d+2025e9ce17/include/lsst/meas/modelfit/CModel.h

Public Member Functions

Public Attributes