GTestModelData.hpp
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/***************************************************************************
* GTestModelData.hpp - Test data model class *
* ----------------------------------------------------------------------- *
* copyright (C) 2012-2013 by Jean-Baptiste Cayrou *
* ----------------------------------------------------------------------- *
* *
* 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 GTestModelData.hpp
* @brief Test data model definition
* @author Jean-Baptiste Cayrou
*/
#ifndef GTESTMODELDATA_HPP
#define GTESTMODELDATA_HPP
/* __ Includes ___________________________________________________________ */
#include <string>
#include "GModelData.hpp"
#include "GModelPar.hpp"
#include "GEvent.hpp"
#include "GObservation.hpp"
#include "GXmlElement.hpp"
#include "GTestEventList.hpp"
#include "GTestEventAtom.hpp"
#include "GTestEventCube.hpp"
#include "GTestEventBin.hpp"
/***********************************************************************//**
* @class GTestModelData
*
* @brief Test data model
***************************************************************************/
class GTestModelData : public GModelData {
public:
// Constructors and destructors
GTestModelData(void) : GModelData() {
init_members();
set_pointers();
return;
}
explicit GTestModelData(const GXmlElement& xml) : GModelData(xml) {
init_members();
set_pointers();
return;
}
GTestModelData(const GTestModelData& model) : GModelData(model) {
copy_members(model);
set_pointers();
return;
}
virtual ~GTestModelData(void) {
free_members();
return;
}
// Operators
virtual GTestModelData& operator=(const GTestModelData& model) {
if (this != &model) {
this->GModelData::operator=(model);
free_members();
copy_members(model);
set_pointers();
}
return *this;
}
// Implement Pure virtual methods
virtual void clear(void){
free_members();
init_members();
return;
}
virtual GTestModelData* clone(void) const { return new GTestModelData(*this); }
virtual std::string type(void) const {return "=== GTestModelData ===";}
virtual bool is_constant(void) const {return true;}
virtual double eval(const GEvent& event,
const GObservation& obs) const {
double result = m_modelTps->eval(event.time());
return result;
}
virtual double eval_gradients(const GEvent& event,
const GObservation& obs) const {
double result = m_modelTps->eval_gradients(event.time());
return result;
}
virtual double npred(const GEnergy& obsEng, const GTime& obsTime,
const GObservation& obs) const {
double result = m_pars[0]->value();
return result;
}
virtual GTestEventList* mc(const GObservation& obs, GRan& ran) const {
return NULL;
}
// Generate an EventList, rate is the number of event per second. Events have a time between tmin and tmax.
virtual GTestEventList* generateList(const double &rate, const GTime &tmin, const GTime &tmax, GRan &ran)
{
// Create an event list
GTestEventList * list = new GTestEventList();
// Set min and max energy for ebounds
// npred method integrate the model on time and energy.
// In order to have a rate which not depend on energy we create an interval of 1 Mev.
GEnergy engmin,engmax;
engmin.MeV(1.0);
engmax.MeV(2.0);
// Instrument Direction
GTestInstDir dir;
// Generate an times list.
GTimes times = m_modelTps->mc(rate,tmin, tmax,ran);
for (int i = 0; i < times.size() ; ++i) {
GTestEventAtom event;
event.dir(dir);
event.energy(engmin);
event.time(times[i]);
// Add the event to the list
list->append(event);
}
// Create a time interval and add it to the list.
GGti gti;
gti.append(tmin,tmax);
list->gti(gti);
// Create an energy interval and add it to the list
GEbounds ebounds;
ebounds.append(engmin,engmax);
list->ebounds(ebounds);
return list;
}
// Generate an EventCube, rate is the number of event per second. Events have a time between tmin and tmax.
virtual GTestEventCube* generateCube(const double &rate, const GTime &tmin, const GTime &tmax, GRan &ran)
{
// Create an event list
GTestEventCube* cube = new GTestEventCube();
// Set min and max energy for ebounds
// npred method integrate the model on time and energy.
// In order to have a rate which not depend on energy we create an interval of 1 Mev.
GEnergy engmin,engmax;
engmin.MeV(1.0);
engmax.MeV(2.0);
// Instrument Direction
GTestInstDir dir;
// Generate an times list.
GTimes times = m_modelTps->mc(rate, tmin, tmax, ran);
GTestEventBin bin;
bin.time(times[0]);
bin.energy(engmin);
bin.ewidth(engmax-engmin);
bin.dir(dir);
bin.ontime(10); // 10 sec per bin
for (int i = 0; i < times.size(); ++i) {
if ((bin.time().secs() + bin.ontime()) < times[i].secs()) {
// Add the event to the cube
cube->append(bin);
bin.counts(0.0);
bin.time(times[i]);
bin.energy(engmin);
bin.ewidth(engmax-engmin);
bin.dir(dir);
bin.ontime(10); // 10 sec per bin
}
bin.counts(bin.counts()+1);
}
// Create a time interval and add it to the list.
GGti gti;
gti.append(tmin,tmax);
cube->gti(gti);
// Create an energy interval and add it to the list
GEbounds ebounds;
ebounds.append(engmin,engmax);
cube->ebounds(ebounds);
return cube;
};
virtual void read(const GXmlElement& xml){ return; }
virtual void write(GXmlElement& xml) const { return; }
virtual std::string print(const GChatter& chatter = NORMAL) const {
std::string result;
result.append(gammalib::parformat("Number of temporal par's")+gammalib::str(m_modelTps->size()));
for (int i = 0; i < m_modelTps->size(); ++i) {
result.append("\n"+(((*m_modelTps)[i]).print()));
}
return result; }
virtual GModelTemporalConst* temporal() const { return m_modelTps;}
protected:
// Protected methods
void init_members(void) {
m_modelTps = new GModelTemporalConst();
}
void copy_members(const GTestModelData& model){
m_modelTps = model.temporal()->clone();
}
void free_members(void) {
delete m_modelTps;
}
void set_pointers(void){
m_pars.clear();
for(int i = 0; i < m_modelTps->size(); ++i) {
(*m_modelTps)[i].free(); // Set free
m_pars.push_back(&((*m_modelTps)[i]));
}
}
// Protected members
GModelTemporalConst* m_modelTps; //!< Temporal model
};
#endif /* GMODELDATA_HPP */