DoubleGaussianPsf.h

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// -*- lsst-c++ -*-
/*
 * LSST Data Management System
 * Copyright 2008-2013 LSST Corporation.
 *
 * This product includes software developed by the
 * LSST Project (http://www.lsst.org/).
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
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 */
 
#ifndef LSST_MEAS_ALGORITHMS_DoubleGaussianPsf_h_INCLUDED
#define LSST_MEAS_ALGORITHMS_DoubleGaussianPsf_h_INCLUDED
 
#include "lsst/meas/algorithms/KernelPsf.h"
 
namespace lsst {
namespace meas {
namespace algorithms {

class DoubleGaussianPsf : public afw::table::io::PersistableFacade<DoubleGaussianPsf>, public KernelPsf {
public:
    DoubleGaussianPsf(int width, int height, double sigma1, double sigma2 = 0.0, double b = 0.0);

    std::shared_ptr<afw::detection::Psf> clone() const override;

    std::shared_ptr<afw::detection::Psf> resized(int width, int height) const override;

    double getSigma1() const { return _sigma1; }

    double getSigma2() const { return _sigma2; }

    double getB() const { return _b; }

    bool isPersistable() const noexcept override { return true; }
 
protected:
    std::string getPersistenceName() const override;
 
    void write(OutputArchiveHandle& handle) const override;
 
private:
    double _sigma1;
    double _sigma2;
    double _b;
};
 
}  // namespace algorithms
}  // namespace meas
}  // namespace lsst
 
#endif  // !LSST_MEAS_ALGORITHMS_DoubleGaussianPsf_h_INCLUDED