GWcsAZP.hpp
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/***************************************************************************
* GWcsAZP.hpp - Zenithal/azimuthal perspective (AZP) projection class *
* ----------------------------------------------------------------------- *
* copyright (C) 2011-2013 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 GWcsAZP.hpp
* @brief Zenithal/azimuthal perspective (AZP) projection class definition
* @author Juergen Knoedlseder
*/
#ifndef GWCSAZP_HPP
#define GWCSAZP_HPP
/* __ Includes ___________________________________________________________ */
#include <string>
#include "GWcs.hpp"
/***********************************************************************//**
* @class GWcsAZP
*
* @brief Zenithal/azimuthal perspective (AZP) projection class definition
*
* This class implements the "zenithal/azimuthal perspective" projection for
* the World Coordinate System.
***************************************************************************/
class GWcsAZP : public GWcs {
public:
// Constructors and destructors
GWcsAZP(void);
explicit GWcsAZP(const std::string& coords,
const double& crval1, const double& crval2,
const double& crpix1, const double& crpix2,
const double& cdelt1, const double& cdelt2);
GWcsAZP(const GWcsAZP& wcs);
virtual ~GWcsAZP(void);
// Operators
GWcsAZP& operator=(const GWcsAZP& wcs);
// Implemented pure virtual base class methods
virtual void clear(void);
virtual GWcsAZP* clone(void) const;
virtual std::string code(void) const;
virtual std::string name(void) const;
virtual std::string print(const GChatter& chatter = NORMAL) const;
private:
// Private methods
void init_members(void);
void copy_members(const GWcsAZP& wcs);
void free_members(void);
void prj_set(void) const;
void prj_x2s(int nx, int ny, int sxy, int spt,
const double* x, const double* y,
double* phi, double* theta, int* stat) const;
void prj_s2x(int nphi, int ntheta, int spt, int sxy,
const double* phi, const double* theta,
double* x, double* y, int* stat) const;
};
/***********************************************************************//**
* @brief Return projection code
*
* @return Projection code.
*
* Returns the projection code "AZP".
***************************************************************************/
inline
std::string GWcsAZP::code(void) const
{
return "AZP";
}
/***********************************************************************//**
* @brief Return projection name
*
* @return Projection name.
*
* Returns the projection name.
***************************************************************************/
inline
std::string GWcsAZP::name(void) const
{
return "zenithal/azimuthal perspective";
}
#endif /* GWCSAZP_HPP */