GModelSpatialPointSource.hpp
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/***************************************************************************
* GModelSpatialPointSource.hpp - Spatial point source model class *
* ----------------------------------------------------------------------- *
* copyright (C) 2009-2013 by Juergen Knoedlseder *
* ----------------------------------------------------------------------- *
* *
* 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 GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
* *
***************************************************************************/
/**
* @file GModelSpatialPointSource.hpp
* @brief Point source spatial model class interface definition
* @author Juergen Knoedlseder
*/
#ifndef GMODELSPATIALPOINTSOURCE_HPP
#define GMODELSPATIALPOINTSOURCE_HPP
/* __ Includes ___________________________________________________________ */
#include <string>
#include "GModelSpatial.hpp"
#include "GModelPar.hpp"
#include "GSkyDir.hpp"
#include "GXmlElement.hpp"
/***********************************************************************//**
* @class GModelSpatialPointSource
*
* @brief Point source spatial model
*
* This class implements a point source as the spatial component of the
* factorised source model. The point source has two parameters: the Right
* Ascension and Declination of the point source location.
*
* The model is of type "SkyDirFunction".
***************************************************************************/
class GModelSpatialPointSource : public GModelSpatial {
public:
// Constructors and destructors
GModelSpatialPointSource(void);
explicit GModelSpatialPointSource(const GSkyDir& dir);
explicit GModelSpatialPointSource(const double& ra, const double& dec);
explicit GModelSpatialPointSource(const GXmlElement& xml);
GModelSpatialPointSource(const GModelSpatialPointSource& model);
virtual ~GModelSpatialPointSource(void);
// Operators
virtual GModelSpatialPointSource& operator=(const GModelSpatialPointSource& model);
// Implemented pure virtual methods
virtual void clear(void);
virtual GModelSpatialPointSource* clone(void) const;
virtual std::string type(void) const;
virtual double eval(const GPhoton& photon) const;
virtual double eval_gradients(const GPhoton& photon) const;
virtual GSkyDir mc(const GEnergy& energy,
const GTime& time,
GRan& ran) const;
virtual void read(const GXmlElement& xml);
virtual void write(GXmlElement& xml) const;
virtual std::string print(const GChatter& chatter = NORMAL) const;
// Other methods
double ra(void) const;
double dec(void) const;
void ra(const double& ra);
void dec(const double& dec);
GSkyDir dir(void) const;
void dir(const GSkyDir& dir);
protected:
// Protected methods
void init_members(void);
void copy_members(const GModelSpatialPointSource& model);
void free_members(void);
// Protected members
GModelPar m_ra; //!< Right Ascension (deg)
GModelPar m_dec; //!< Declination (deg)
};
/***********************************************************************//**
* @brief Return model type
*
* @return "SkyDirFunction".
*
* Returns the type of the spatial model.
***************************************************************************/
inline
std::string GModelSpatialPointSource::type(void) const
{
return "SkyDirFunction";
}
/***********************************************************************//**
* @brief Return Right Ascencion of model centre
*
* @return Right Ascencion of model centre (degrees).
*
* Returns the Right Ascension of the model centre in degrees.
***************************************************************************/
inline
double GModelSpatialPointSource::ra(void) const
{
return (m_ra.value());
}
/***********************************************************************//**
* @brief Set Right Ascencion of model centre
*
* @param[in] ra Right Ascencion of model centre.
*
* Sets the Right Ascencion of model centre.
***************************************************************************/
inline
void GModelSpatialPointSource::ra(const double& ra)
{
m_ra.value(ra);
return;
}
/***********************************************************************//**
* @brief Return Declination of model centre
*
* @return Declination of model centre (degrees).
*
* Returns the Declination of the model centre in degrees.
***************************************************************************/
inline
double GModelSpatialPointSource::dec(void) const
{
return (m_dec.value());
}
/***********************************************************************//**
* @brief Set Declination of model centre
*
* @param[in] dec Declination of model centre.
*
* Sets the Declination of model centre.
***************************************************************************/
inline
void GModelSpatialPointSource::dec(const double& dec)
{
m_dec.value(dec);
return;
}
#endif /* GMODELSPATIALPOINTSOURCE_HPP */