lsst::meas::algorithms::ShapeletInterpolationImpl Class Reference

Public Types
typedef float	PixelT
typedef lsst::pex::policy::Policy	Policy
typedef lsst::afw::math::SpatialCellSet	SpatialCellSet
typedef lsst::afw::image::Exposure < PixelT >	Exposure
typedef lsst::afw::geom::PointD	PointD
typedef shapelet::FittedPsf	FittedPsf

Public Member Functions
	ShapeletInterpolationImpl (const Policy &policy)
int	getOrder () const
int	getFitOrder () const
double	getSigma () const
int	getSize () const
int	getFitSize () const
void	setSigma (double sigma)
void	calculate (SpatialCellSet::Ptr cellSet, const Exposure &exposure)
Shapelet::ConstPtr	interpolate (double x, double y)
double	interpolateSingleElement (double x, double y, int i)

Private Attributes
boost::shared_ptr< FittedPsf >	_fit
int	_nStarsPerCell

Detailed Description

Definition at line 76 of file ShapeletInterpolation.cc.

Member Typedef Documentation

typedef lsst::afw::image::Exposure<PixelT> lsst::meas::algorithms::ShapeletInterpolationImpl::Exposure

Definition at line 82 of file ShapeletInterpolation.cc.

typedef shapelet::FittedPsf lsst::meas::algorithms::ShapeletInterpolationImpl::FittedPsf

Definition at line 85 of file ShapeletInterpolation.cc.

typedef float lsst::meas::algorithms::ShapeletInterpolationImpl::PixelT

Definition at line 79 of file ShapeletInterpolation.cc.

typedef lsst::afw::geom::PointD lsst::meas::algorithms::ShapeletInterpolationImpl::PointD

Definition at line 83 of file ShapeletInterpolation.cc.

typedef lsst::pex::policy::Policy lsst::meas::algorithms::ShapeletInterpolationImpl::Policy

Definition at line 80 of file ShapeletInterpolation.cc.

typedef lsst::afw::math::SpatialCellSet lsst::meas::algorithms::ShapeletInterpolationImpl::SpatialCellSet

Definition at line 81 of file ShapeletInterpolation.cc.

Constructor & Destructor Documentation

lsst::meas::algorithms::ShapeletInterpolationImpl::ShapeletInterpolationImpl ( const Policy &  policy )

inline

Definition at line 87 of file ShapeletInterpolation.cc.

        {
            shapelet::ConfigFile params;
            params["psf_order"] = policy.getInt("shapeletOrder");
            params["fitpsf_order"] = policy.getInt("interpOrder");
            params["fitpsf_nsigma_outlier"] = policy.getDouble("interpNSigmaClip");
            params["fitpsf_pca_thresh"] = policy.getDouble("pcaThresh");
            _fit.reset(new FittedPsf(params));
            _nStarsPerCell = policy.getInt("nStarsPerCell");
        }

Member Function Documentation

void lsst::meas::algorithms::ShapeletInterpolationImpl::calculate ( SpatialCellSet::Ptr  cellSet, const Exposure &  exposure  )

inline

Definition at line 110 of file ShapeletInterpolation.cc.

        {
            using shapelet::Position;
            using shapelet::BVec;

            std::vector<ShapeletPsfCandidate*> cand;
            std::vector<Position> pos;
            std::vector<BVec> psf;
            std::vector<double> nu;
            std::vector<long> flags;

            LoadCandidatesVisitor visitor(cand, pos, psf, nu, flags);
            cellSet->visitCandidates(&visitor, _nStarsPerCell);

            // TODO: Currently, the rounds of outlier rejection are done
            // within FittedPSF, which means that we don't have the opportunity
            // to select other candidates that might be ok in that 
            // cell.  I should pull out some of that functionality, so I
            // can utilize the SpatialCells better.
            _fit->calculate(pos, psf, nu, flags);

            // Mark the flagged candidates as BAD.
            const int nCand = cand.size();
            for(int i=0; i<nCand; ++i) if (flags[i]) cand[i]->setBad();
        }

int lsst::meas::algorithms::ShapeletInterpolationImpl::getFitOrder ( ) const

inline

Definition at line 100 of file ShapeletInterpolation.cc.

{ return _fit->getFitOrder(); }

int lsst::meas::algorithms::ShapeletInterpolationImpl::getFitSize ( ) const

inline

Definition at line 106 of file ShapeletInterpolation.cc.

{ return (getFitOrder()+1)*(getFitOrder()+2)/2; }

int lsst::meas::algorithms::ShapeletInterpolationImpl::getOrder ( ) const

inline

Definition at line 98 of file ShapeletInterpolation.cc.

{ return _fit->getPsfOrder(); }

double lsst::meas::algorithms::ShapeletInterpolationImpl::getSigma ( ) const

inline

Definition at line 102 of file ShapeletInterpolation.cc.

{ return _fit->getSigma(); }

int lsst::meas::algorithms::ShapeletInterpolationImpl::getSize ( ) const

inline

Definition at line 104 of file ShapeletInterpolation.cc.

{ return (getOrder()+1)*(getOrder()+2)/2; }

Shapelet::ConstPtr lsst::meas::algorithms::ShapeletInterpolationImpl::interpolate ( double  x, double  y  )

inline

Definition at line 138 of file ShapeletInterpolation.cc.

        {
            shapelet::BVec b(getOrder(),getSigma());
            shapelet::Position pos(x,y);
            _fit->interpolate(pos,b);
            return Shapelet::ConstPtr(new Shapelet(b));
        }

double lsst::meas::algorithms::ShapeletInterpolationImpl::interpolateSingleElement ( double  x, double  y, int  i  )

inline

Definition at line 146 of file ShapeletInterpolation.cc.

        {
            shapelet::Position pos(x,y);
            return _fit->interpolateSingleElement(pos,i);
        }

void lsst::meas::algorithms::ShapeletInterpolationImpl::setSigma ( double  sigma )

inline

Definition at line 108 of file ShapeletInterpolation.cc.

{ _fit->setSigma(sigma); }

Member Data Documentation

boost::shared_ptr<FittedPsf> lsst::meas::algorithms::ShapeletInterpolationImpl::_fit

private

Definition at line 153 of file ShapeletInterpolation.cc.

int lsst::meas::algorithms::ShapeletInterpolationImpl::_nStarsPerCell

private

Definition at line 154 of file ShapeletInterpolation.cc.

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

• /home/lsstsw/stack/Linux64/meas_algorithms/11.0-2-gb8b8ce7/src/ShapeletInterpolation.cc