RadialProfile.h

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// -*- lsst-c++ -*-
/*
 * LSST Data Management System
 * Copyright 2008-2014 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/>.
 */
 
#ifndef LSST_SHAPELET_RadialProfile_h_INCLUDED
#define LSST_SHAPELET_RadialProfile_h_INCLUDED
 
#include <map>
 
#include "lsst/shapelet/MultiShapeletBasis.h"
 
namespace lsst { namespace shapelet {

class RadialProfile {
public:

    static RadialProfile & get(std::string const & name);

    std::string const getName() const { return _name; }

    virtual double evaluate(double r) const = 0;

    ndarray::Array<double,1,1> evaluate(ndarray::Array<double const,1,1> const & r) const;

    double getMomentsRadiusFactor() const { return _momentsRadiusFactor; }

    std::shared_ptr<MultiShapeletBasis> getBasis(int nComponents, int maxRadius=0) const;

    void registerBasis(std::shared_ptr<MultiShapeletBasis> basis, int nComponents, int maxRadius);
 
protected:
 
    explicit RadialProfile(std::string const & name, int defaultMaxRadius);
 
    double _momentsRadiusFactor;
 
private:
 
    typedef std::map<std::pair<int,int>, std::shared_ptr<MultiShapeletBasis>> BasisRegistry;
 
    std::string const _name;
    int _defaultMaxRadius;
    BasisRegistry _basisRegistry;
};
 
}} // namespace lsst::shapelet
 
#endif // !LSST_SHAPELET_RadialProfile_h_INCLUDED