nsislens.h

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/*

  This file is a part of GRALE, a library to facilitate the simulation
  and inversion of gravitational lenses.

  Copyright (C) 2008-2012 Jori Liesenborgs

  Contact: jori.liesenborgs@gmail.com
  
  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 2 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 GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  
*/

#ifndef GRALE_NSISLENS_H

#define GRALE_NSISLENS_H

#include "graleconfig.h"
#include "symmetriclens.h"

namespace grale
{
        
class GRALE_IMPORTEXPORT NSISLensParams : public GravitationalLensParams
{
public:
        NSISLensParams()                                                        { dispersion = 0; corerad = 0; }

        NSISLensParams(double velocityDispersion, double angularCoreRadius)     { NSISLensParams::dispersion = velocityDispersion; corerad = angularCoreRadius; }

        double getVelocityDispersion() const                                    { return dispersion; }

        double getAngularCoreRadius() const                                     { return corerad; }

        GravitationalLensParams *createCopy() const;
        bool write(serut::SerializationInterface &si) const;
        bool read(serut::SerializationInterface &si);
private:
        double dispersion,corerad;
};

class GRALE_IMPORTEXPORT NSISLens : public SymmetricLens
{
public:
        NSISLens();
        ~NSISLens();
protected:
        bool processParameters(const GravitationalLensParams *pLensParams);
        double getMassInside(double thetaLength) const;
        double getProfileSurfaceMassDensity(double thetaLength) const;
private:
        double m_massFactor, m_densFactor, m_core, m_coreSquared;
};

} // end namespace

#endif // GRALE_NSISLENS_H