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PcaPsf.h
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1// -*- lsst-c++ -*-
2/*
3 * LSST Data Management System
4 * Copyright 2008-2013 LSST Corporation.
5 *
6 * This product includes software developed by the
7 * LSST Project (http://www.lsst.org/).
8 *
9 * This program is free software: you can redistribute it and/or modify
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13 *
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22 */
23
24#ifndef LSST_MEAS_ALGORITHMS_PcaPsf_h_INCLUDED
25#define LSST_MEAS_ALGORITHMS_PcaPsf_h_INCLUDED
26
27#include "lsst/geom/Point.h"
29
30namespace lsst {
31namespace meas {
32namespace algorithms {
33
37class PcaPsf : public afw::table::io::PersistableFacade<PcaPsf>, public KernelPsf {
38public:
47
50
52 std::shared_ptr<afw::detection::Psf> resized(int width, int height) const override;
53
56
57private:
58 // Name used in table persistence; the rest of is implemented by KernelPsf.
59 std::string getPersistenceName() const override { return "PcaPsf"; }
60};
61
62} // namespace algorithms
63} // namespace meas
64} // namespace lsst
65
66#endif // !LSST_MEAS_ALGORITHMS_PcaPsf_h_INCLUDED
A CRTP facade class for subclasses of Persistable.
A Psf defined by a Kernel.
Definition KernelPsf.h:36
Represent a PSF as a linear combination of PCA (== Karhunen-Loeve) basis functions.
Definition PcaPsf.h:37
PcaPsf(std::shared_ptr< afw::math::LinearCombinationKernel > kernel, geom::Point2D const &averagePosition=geom::Point2D())
Constructor for a PcaPsf.
std::shared_ptr< afw::detection::Psf > resized(int width, int height) const override
Return a clone with specified kernel dimensions.
std::string getPersistenceName() const override
Return the unique name used to persist this object and look up its factory.
Definition PcaPsf.h:59
std::shared_ptr< afw::math::LinearCombinationKernel const > getKernel() const
PcaPsf always has a LinearCombinationKernel, so we can override getKernel to make it more useful.
std::shared_ptr< afw::detection::Psf > clone() const override
Polymorphic deep copy; should usually be unnecessary as Psfs are immutable.x.
afw::table::PointKey< double > averagePosition
Definition CoaddPsf.cc:354