SpatialModelPsf.h File Reference

Class used by SpatialCell for spatial PSF fittig. More...

#include <memory>
#include <utility>
#include <vector>
#include "lsst/afw.h"
#include "lsst/pex/policy.h"
#include "lsst/afw/detection/Psf.h"
#include "lsst/afw/math/Kernel.h"
#include "lsst/afw/math/SpatialCell.h"
#include "lsst/afw/geom/Extent.h"

Go to the source code of this file.

Namespaces
	lsst
	Remove all non-astronomical counts from the Chunk Exposure's pixels.
	lsst::meas
	lsst::meas::algorithms
	Fit spatial kernel using approximate fluxes for candidates, and solving a linear system of equations.

Functions
template<typename PixelT >
std::pair < lsst::afw::math::LinearCombinationKernel::Ptr, std::vector< double > >	lsst::meas::algorithms::createKernelFromPsfCandidates (lsst::afw::math::SpatialCellSet const &psfCells, lsst::afw::geom::Extent2I const &dims, lsst::afw::geom::Point2I const &xy0, int const nEigenComponents, int const spatialOrder, int const ksize, int const nStarPerCell=-1, bool const constantWeight=true, int const border=3)
	Return a Kernel::Ptr and a list of eigenvalues resulting from analysing the provided SpatialCellSet. More...
template<typename PixelT >
int	lsst::meas::algorithms::countPsfCandidates (afwMath::SpatialCellSet const &psfCells, int const nStarPerCell)
	Count the number of candidates in use. More...
template<typename PixelT >
std::pair< bool, double >	lsst::meas::algorithms::fitSpatialKernelFromPsfCandidates (afwMath::Kernel *kernel, afwMath::SpatialCellSet const &psfCells, int const nStarPerCell, double const tolerance, double const lambda)
	Fit spatial kernel using full-nonlinear optimization to estimate candidate amplitudes. More...
template<typename PixelT >
std::pair< bool, double >	lsst::meas::algorithms::fitSpatialKernelFromPsfCandidates (afwMath::Kernel *kernel, afwMath::SpatialCellSet const &psfCells, bool const doNonLinearFit, int const nStarPerCell, double const tolerance, double const lambda)
template<typename ImageT >
double	lsst::meas::algorithms::subtractPsf (lsst::afw::detection::Psf const &psf, ImageT *data, double x, double y, double psfFlux=std::numeric_limits< double >::quiet_NaN())
template<typename Image >
std::pair< std::vector< double > , lsst::afw::math::KernelList >	lsst::meas::algorithms::fitKernelParamsToImage (lsst::afw::math::LinearCombinationKernel const &kernel, Image const &image, lsst::afw::geom::Point2D const &pos)
	Fit a LinearCombinationKernel to an Image, allowing the coefficients of the components to vary. More...
template<typename Image >
std::pair < lsst::afw::math::Kernel::Ptr, std::pair< double, double > >	lsst::meas::algorithms::fitKernelToImage (lsst::afw::math::LinearCombinationKernel const &kernel, Image const &image, lsst::afw::geom::Point2D const &pos)
	Fit a LinearCombinationKernel to an Image, allowing the coefficients of the components to vary. More...

Detailed Description

Class used by SpatialCell for spatial PSF fittig.

Definition in file SpatialModelPsf.h.