GModelRadialDisk.hpp
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/***************************************************************************
* GModelRadialDisk.hpp - Radial disk source model class *
* ----------------------------------------------------------------------- *
* copyright (C) 2011 by Christoph Deil *
* ----------------------------------------------------------------------- *
* *
* 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 GModelRadialDisk.hpp
* @brief Radial disk model class interface definition
* @author C. Deil
*/
#ifndef GMODELRADIALDISK_HPP
#define GMODELRADIALDISK_HPP
/* __ Includes ___________________________________________________________ */
#include <string>
#include "GModelRadial.hpp"
#include "GModelPar.hpp"
#include "GSkyDir.hpp"
#include "GXmlElement.hpp"
/**************************************************************************
* @class GModelRadialDisk
*
* @brief Disk source model class
*
* This class implements the spatial component of the factorised source
* model for a disk source, i.e. constant surface brightness within some
* radius and no emission outside.
***************************************************************************/
class GModelRadialDisk : public GModelRadial {
public:
// Constructors and destructors
GModelRadialDisk(void);
explicit GModelRadialDisk(const GSkyDir& dir, const double& radius);
explicit GModelRadialDisk(const GXmlElement& xml);
GModelRadialDisk(const GModelRadialDisk& model);
virtual ~GModelRadialDisk(void);
// Operators
virtual GModelRadialDisk& operator=(const GModelRadialDisk& model);
// Implemented pure virtual methods
virtual void clear(void);
virtual GModelRadialDisk* clone(void) const;
virtual std::string type(void) const { return "DiskFunction"; }
virtual double eval(const double& theta) const;
virtual double eval_gradients(const double& theta) const;
virtual GSkyDir mc(GRan& ran) const;
virtual double theta_max(void) const;
virtual void read(const GXmlElement& xml);
virtual void write(GXmlElement& xml) const;
virtual std::string print(void) const;
// Other methods
double radius(void) const { return m_radius.real_value(); }
void radius(const double& radius) { m_radius.real_value(radius); }
protected:
// Protected methods
void init_members(void);
void copy_members(const GModelRadialDisk& model);
void free_members(void);
void update(void) const;
// Protected members
GModelPar m_radius; //!< Disk radius (degrees)
// Cached members used for pre-computations
mutable double m_last_radius; //!< Last disk radius
mutable double m_radius_rad; //!< Radius in radians
mutable double m_norm; //!< Normalization
};
#endif /* GMODELRADIALDISK_HPP */