lsst::ip::diffim::MinimizeDipoleChi2< PixelT > Class Template Reference

Inheritance diagram for lsst::ip::diffim::MinimizeDipoleChi2< PixelT >:

Public Member Functions
	MinimizeDipoleChi2 (PsfDipoleFlux const &psfDipoleFlux, afw::table::SourceRecord &source, afw::image::Exposure< PixelT > const &exposure)
double	Up () const
void	setErrorDef (double def)
int	getNpar () const
int	getMaxPix () const
void	setMaxPix (int maxPix)
virtual double	operator() (std::vector< double > const &params) const

Private Attributes
double	_errorDef
int	_nPar
int	_maxPix
double	_bigChi2
PsfDipoleFlux const &	_psfDipoleFlux
afw::table::SourceRecord &	_source
afw::image::Exposure< PixelT > const &	_exposure

Detailed Description

template<typename PixelT>
class lsst::ip::diffim::MinimizeDipoleChi2< PixelT >

Class to minimize PsfDipoleFlux; this is the object that Minuit minimizes

Definition at line 373 of file dipoleAlgorithm.cc.

Constructor & Destructor Documentation

template<typename PixelT>

lsst::ip::diffim::MinimizeDipoleChi2< PixelT >::MinimizeDipoleChi2 ( PsfDipoleFlux const &  psfDipoleFlux, afw::table::SourceRecord &  source, afw::image::Exposure< PixelT > const &  exposure  )

inlineexplicit

Definition at line 375 of file dipoleAlgorithm.cc.

                                  : _errorDef(1.0),
                                    _nPar(6),
                                    _maxPix(1e4),
                                    _bigChi2(1e10),
                                    _psfDipoleFlux(psfDipoleFlux),
                                    _source(source),
                                    _exposure(exposure)
    {}

Member Function Documentation

template<typename PixelT>

int lsst::ip::diffim::MinimizeDipoleChi2< PixelT >::getMaxPix ( ) const

inline

Definition at line 389 of file dipoleAlgorithm.cc.

{ return _maxPix; }

template<typename PixelT>

int lsst::ip::diffim::MinimizeDipoleChi2< PixelT >::getNpar ( ) const

inline

Definition at line 388 of file dipoleAlgorithm.cc.

{ return _nPar; }

template<typename PixelT>

virtual double lsst::ip::diffim::MinimizeDipoleChi2< PixelT >::operator() ( std::vector< double > const &  params ) const

inlinevirtual

Definition at line 393 of file dipoleAlgorithm.cc.

                                                                      {
        double negCenterX = params[NEGCENTXPAR];
        double negCenterY = params[NEGCENTYPAR];
        double negFlux    = params[NEGFLUXPAR];
        double posCenterX = params[POSCENTXPAR];
        double posCenterY = params[POSCENTYPAR];
        double posFlux    = params[POSFLUXPAR];
        
        /* Restrict negative dipole to be negative; positive to be positive */
        if ((negFlux > 0.0) || (posFlux < 0.0)) {
            return _bigChi2;
        }

        std::pair<double,int> fit = _psfDipoleFlux.chi2(_source, _exposure, negCenterX, negCenterY, negFlux, posCenterX, posCenterY, posFlux);
        double chi2 = fit.first;
        int nPix = fit.second;
        if (nPix > _maxPix) {
            return _bigChi2;
        }

        return chi2;
    }

template<typename PixelT>

void lsst::ip::diffim::MinimizeDipoleChi2< PixelT >::setErrorDef ( double  def )

inline

Definition at line 387 of file dipoleAlgorithm.cc.

{ _errorDef = def; }

template<typename PixelT>

void lsst::ip::diffim::MinimizeDipoleChi2< PixelT >::setMaxPix ( int  maxPix )

inline

Definition at line 390 of file dipoleAlgorithm.cc.

{ _maxPix = maxPix; }

template<typename PixelT>

double lsst::ip::diffim::MinimizeDipoleChi2< PixelT >::Up ( ) const

inline

Definition at line 386 of file dipoleAlgorithm.cc.

{ return _errorDef; }

Member Data Documentation

template<typename PixelT>

double lsst::ip::diffim::MinimizeDipoleChi2< PixelT >::_bigChi2

private

Definition at line 420 of file dipoleAlgorithm.cc.

template<typename PixelT>

double lsst::ip::diffim::MinimizeDipoleChi2< PixelT >::_errorDef

private

Definition at line 417 of file dipoleAlgorithm.cc.

template<typename PixelT>

afw::image::Exposure<PixelT> const& lsst::ip::diffim::MinimizeDipoleChi2< PixelT >::_exposure

private

Definition at line 424 of file dipoleAlgorithm.cc.

template<typename PixelT>

int lsst::ip::diffim::MinimizeDipoleChi2< PixelT >::_maxPix

private

Definition at line 419 of file dipoleAlgorithm.cc.

template<typename PixelT>

int lsst::ip::diffim::MinimizeDipoleChi2< PixelT >::_nPar

private

Definition at line 418 of file dipoleAlgorithm.cc.

template<typename PixelT>

PsfDipoleFlux const& lsst::ip::diffim::MinimizeDipoleChi2< PixelT >::_psfDipoleFlux

private

Definition at line 422 of file dipoleAlgorithm.cc.

template<typename PixelT>

afw::table::SourceRecord& lsst::ip::diffim::MinimizeDipoleChi2< PixelT >::_source

private

Definition at line 423 of file dipoleAlgorithm.cc.

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

• /lsst/home/lsstsw/stack/Linux64/ip_diffim/master-gcec1da163f+63/src/dipoleAlgorithm.cc