ShapeletInterpolation.h

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// -*- LSST-C++ -*-
#ifndef LSST_MEAS_ALGORITHMS_SHAPELETINTERPOLATION_H
#define LSST_MEAS_ALGORITHMS_SHAPELETINTERPOLATION_H

/* 
 * LSST Data Management System
 * Copyright 2008, 2009, 2010 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.
 * 
 * You should have received a copy of the LSST License Statement and 
 * the GNU General Public License along with this program.  If not, 
 * see <http://www.lsstcorp.org/LegalNotices/>.
 */

#include <complex>

#include "boost/shared_ptr.hpp"
#include "Eigen/Core"

#include "lsst/pex/policy/Policy.h"
#include "lsst/afw/image/Exposure.h"
#include "lsst/afw/geom/Point.h"
#include "lsst/afw/math/SpatialCell.h"
#include "lsst/meas/algorithms/Shapelet.h"

namespace lsst {
namespace meas {
namespace algorithms {

    class ShapeletInterpolationImpl;

    class ShapeletInterpolation 
    {
    public:

        typedef boost::shared_ptr<ShapeletInterpolation> Ptr;
        typedef boost::shared_ptr<const ShapeletInterpolation> ConstPtr;

        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 lsst::meas::algorithms::Shapelet Shapelet;

        ShapeletInterpolation(const Policy& policy);

        ~ShapeletInterpolation();

        ShapeletInterpolation(const ShapeletInterpolation& rhs);

        ShapeletInterpolation& operator=(const ShapeletInterpolation& rhs);

        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(const PointD& pos) const;
        Shapelet::ConstPtr interpolate(double x, double y) const;

        double interpolateSingleElement(const PointD& pos, int i) const;
        double interpolateSingleElement(double x, double y, int i) const;

    private :

        ShapeletInterpolationImpl* pImpl;
    };

}}}

#endif