GCTAModelRadialAcceptance.hpp
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/***************************************************************************
* GCTAModelRadialAcceptance.hpp - Radial acceptance model class *
* ----------------------------------------------------------------------- *
* copyright (C) 2011-2016 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 GCTAModelRadialAcceptance.hpp
* @brief Radial acceptance model class interface definition
* @author Juergen Knoedlseder
*/
#ifndef GCTAMODELRADIALACCEPTANCE_HPP
#define GCTAMODELRADIALACCEPTANCE_HPP
/* __ Includes ___________________________________________________________ */
#include <string>
#include <cmath>
#include "GModelData.hpp"
#include "GModelPar.hpp"
#include "GModelSpectral.hpp"
#include "GModelTemporal.hpp"
#include "GEvent.hpp"
#include "GObservation.hpp"
#include "GXmlElement.hpp"
#include "GFunction.hpp"
#include "GCTAEventList.hpp"
#include "GCTAModelRadial.hpp"
/***********************************************************************//**
* @class GCTAModelRadialAcceptance
*
* @brief Radial acceptance model class
*
* This class implements a radial acceptance model for CTA.
***************************************************************************/
class GCTAModelRadialAcceptance : public GModelData {
public:
// Constructors and destructors
GCTAModelRadialAcceptance(void);
explicit GCTAModelRadialAcceptance(const GXmlElement& xml);
explicit GCTAModelRadialAcceptance(const GCTAModelRadial& radial,
const GModelSpectral& spectral);
GCTAModelRadialAcceptance(const GCTAModelRadialAcceptance& model);
virtual ~GCTAModelRadialAcceptance(void);
// Operators
virtual GCTAModelRadialAcceptance& operator=(const GCTAModelRadialAcceptance& model);
// Implemented pure virtual methods
virtual void clear(void);
virtual GCTAModelRadialAcceptance* clone(void) const;
virtual std::string classname(void) const;
virtual std::string type(void) const;
virtual bool is_constant(void) const;
virtual double eval(const GEvent& event,
const GObservation& obs,
const bool& gradients = false) const;
virtual double npred(const GEnergy& obsEng, const GTime& obsTime,
const GObservation& obs) const;
virtual GCTAEventList* mc(const GObservation& obs, 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
GCTAModelRadial* radial(void) const;
GModelSpectral* spectral(void) const;
GModelTemporal* temporal(void) const;
protected:
// Protected methods
void init_members(void);
void copy_members(const GCTAModelRadialAcceptance& model);
void free_members(void);
void set_pointers(void);
bool valid_model(void) const;
GCTAModelRadial* xml_radial(const GXmlElement& radial) const;
GModelSpectral* xml_spectral(const GXmlElement& spectral) const;
GModelTemporal* xml_temporal(const GXmlElement& temporal) const;
// ROI integration kernel
class roi_kern : public GFunction {
public:
roi_kern(const GCTAModelRadial* parent, const double& roi, const double& dist) :
m_parent(parent),
m_roi(roi),
m_cosroi(std::cos(roi)),
m_dist(dist),
m_cosdist(std::cos(dist)),
m_sindist(std::sin(dist)) { }
double eval(const double& r);
protected:
const GCTAModelRadial* m_parent; //!< Pointer to radial model
double m_roi; //!< ROI radius in radians
double m_cosroi; //!< Cosine of ROI radius
double m_dist; //!< Distance between pointing and ROI centre in radians
double m_cosdist; //!< Cosine of distance
double m_sindist; //!< Sinus of distance
};
// Proteced data members
GCTAModelRadial* m_radial; //!< Radial model
GModelSpectral* m_spectral; //!< Spectral model
GModelTemporal* m_temporal; //!< Temporal model
};
/***********************************************************************//**
* @brief Return class name
*
* @return String containing the class name ("GCTAModelRadialAcceptance").
***************************************************************************/
inline
std::string GCTAModelRadialAcceptance::classname(void) const
{
return ("GCTAModelRadialAcceptance");
}
/***********************************************************************//**
* @brief Return model type
*
* @return Model type.
*
* Returns the type of the model. The type for a radial acceptance model is
* "RadialAcceptance".
***************************************************************************/
inline
std::string GCTAModelRadialAcceptance::type(void) const
{
return ("RadialAcceptance");
}
/***********************************************************************//**
* @brief Signals if model is temporally constant
*
* @return True if model is temporally constant, false otherwise.
*
* Signals if the model is temporally constant. A temporally constant model
* is a model that has a temporal component of type "Constant".
***************************************************************************/
inline
bool GCTAModelRadialAcceptance::is_constant(void) const
{
return (m_temporal != NULL && m_temporal->type() == "Constant");
}
/***********************************************************************//**
* @brief Return radial model component
*
* @return Pointer to radial model component.
*
* Returns a pointer to the radial model component of the model. The pointer
* is of type GCTAModelRadial. Note that a NULL pointer may be returned if
* the model has no radial model component.
***************************************************************************/
inline
GCTAModelRadial* GCTAModelRadialAcceptance::radial(void) const
{
return (m_radial);
}
/***********************************************************************//**
* @brief Return spectral model component
*
* @return Pointer to spectral model component.
*
* Returns a pointer to the spectral model component of the model. The
* pointer is of type GModelSpectral. Note that a NULL pointer may be
* returned if the model has no spectral model component.
***************************************************************************/
inline
GModelSpectral* GCTAModelRadialAcceptance::spectral(void) const
{
return (m_spectral);
}
/***********************************************************************//**
* @brief Return temporal model component
*
* @return Pointer to temporal model component.
*
* Returns a pointer to the temporal model component of the model. The
* pointer is of type GModelTemporal. Note that a NULL pointer may be
* returned if the model has no temporal model component.
***************************************************************************/
inline
GModelTemporal* GCTAModelRadialAcceptance::temporal(void) const
{
return (m_temporal);
}
#endif /* GCTAMODELRADIALACCEPTANCE_HPP */