GCTARoi.cpp
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/***************************************************************************
* GCTARoi.cpp - CTA region of interest class *
* ----------------------------------------------------------------------- *
* copyright (C) 2010-2013 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 GCTARoi.cpp
* @brief CTA region of interest class interface implementation
* @author Juergen Knoedlseder
*/
/* __ Includes ___________________________________________________________ */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "GCTARoi.hpp"
#include "GEvent.hpp"
#include "GTools.hpp"
/* __ Method name definitions ____________________________________________ */
/* __ Macros _____________________________________________________________ */
/* __ Coding definitions _________________________________________________ */
/* __ Debug definitions __________________________________________________ */
/*==========================================================================
= =
= Constructors/destructors =
= =
==========================================================================*/
/***********************************************************************//**
* @brief Void constructor
***************************************************************************/
GCTARoi::GCTARoi(void) : GRoi()
{
// Initialise class members
init_members();
// Return
return;
}
/***********************************************************************//**
* @brief Region of interest constructor
*
* @param[in] centre Region of interest centre.
* @param[in] radius Radius of region of interest (degrees).
***************************************************************************/
GCTARoi::GCTARoi(const GCTAInstDir& centre, const double& radius) : GRoi()
{
// Initialise class members
init_members();
// Set members
this->centre(centre);
this->radius(radius);
// Return
return;
}
/***********************************************************************//**
* @brief Copy constructor
*
* @param[in] roi Region of interest.
***************************************************************************/
GCTARoi::GCTARoi(const GCTARoi& roi) : GRoi(roi)
{
// Initialise class members
init_members();
// Copy members
copy_members(roi);
// Return
return;
}
/***********************************************************************//**
* @brief Destructor
***************************************************************************/
GCTARoi::~GCTARoi(void)
{
// Free members
free_members();
// Return
return;
}
/*==========================================================================
= =
= Operators =
= =
==========================================================================*/
/***********************************************************************//**
* @brief Assignment operator
*
* @param[in] roi Region of interest.
* @return Region of interest.
***************************************************************************/
GCTARoi& GCTARoi::operator= (const GCTARoi& roi)
{
// Execute only if object is not identical
if (this != &roi) {
// Copy base class members
this->GRoi::operator=(roi);
// Free members
free_members();
// Initialise private members
init_members();
// Copy members
copy_members(roi);
} // endif: object was not identical
// Return this object
return *this;
}
/*==========================================================================
= =
= Public methods =
= =
==========================================================================*/
/***********************************************************************//**
* @brief Clear instance
***************************************************************************/
void GCTARoi::clear(void)
{
// Free members
free_members();
this->GRoi::free_members();
// Initialise private members
this->GRoi::init_members();
init_members();
// Return
return;
}
/***********************************************************************//**
* @brief Clone instance
*
* @return Pointer to deep copy of region of interest
***************************************************************************/
GCTARoi* GCTARoi::clone(void) const
{
return new GCTARoi(*this);
}
/***********************************************************************//**
* @brief Check if region of interest contains an event
*
* @return True if region of interest contains event, false otherwise
***************************************************************************/
bool GCTARoi::contains(const GEvent& event) const
{
// Initialise flag to non-containment
bool contains = false;
// Get pointer to CTA instrument direction
const GCTAInstDir* dir = dynamic_cast<const GCTAInstDir*>(&event.dir());
// If instrument direction is a CTA instrument direction then check on
// containment
if (dir != NULL) {
if (m_centre.dir().dist_deg(dir->dir()) <= m_radius) {
contains = true;
}
}
// Return containment flag
return contains;
}
/***********************************************************************//**
* @brief Print ROI information
*
* @param[in] chatter Chattiness (defaults to NORMAL).
* @return String containing ROI information.
***************************************************************************/
std::string GCTARoi::print(const GChatter& chatter) const
{
// Initialise result string
std::string result;
// Continue only if chatter is not silent
if (chatter != SILENT) {
// Append header
result.append("=== GCTARoi ===");
// Append information
result.append("\n"+gammalib::parformat("ROI centre"));
result.append(m_centre.print());
result.append("\n"+gammalib::parformat("ROI radius"));
result.append(gammalib::str(m_radius)+" deg");
} // endif: chatter was not silent
// Return result
return result;
}
/*==========================================================================
= =
= Private methods =
= =
==========================================================================*/
/***********************************************************************//**
* @brief Initialise class members
***************************************************************************/
void GCTARoi::init_members(void)
{
// Initialise members
m_centre.clear();
m_radius = 0.0;
// Return
return;
}
/***********************************************************************//**
* @brief Copy class members
*
* @param[in] roi Region of interest from which members should be copied.
***************************************************************************/
void GCTARoi::copy_members(const GCTARoi& roi)
{
// Copy attributes
m_centre = roi.m_centre;
m_radius = roi.m_radius;
// Return
return;
}
/***********************************************************************//**
* @brief Delete class members
***************************************************************************/
void GCTARoi::free_members(void)
{
// Return
return;
}