GWcsSTG.hpp
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/***************************************************************************
* GWcsSTG.hpp - Stereographic (STG) projection class *
* ----------------------------------------------------------------------- *
* copyright (C) 2011-2015 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 GWcsSTG.hpp
* @brief Stereographic (STG) projection class definition
* @author Juergen Knoedlseder
*/
#ifndef GWCSSTG_HPP
#define GWCSSTG_HPP
/* __ Includes ___________________________________________________________ */
#include <string>
#include "GWcs.hpp"
/***********************************************************************//**
* @class GWcsSTG
*
* @brief Stereographic (STG) projection class definition
*
* This class implements the "stereographic" projection for the World
* Coordinate System.
***************************************************************************/
class GWcsSTG : public GWcs {
public:
// Constructors and destructors
GWcsSTG(void);
GWcsSTG(const std::string& coords,
const double& crval1, const double& crval2,
const double& crpix1, const double& crpix2,
const double& cdelt1, const double& cdelt2);
GWcsSTG(const GWcsSTG& wcs);
virtual ~GWcsSTG(void);
// Operators
GWcsSTG& operator=(const GWcsSTG& wcs);
// Implemented pure virtual base class methods
virtual void clear(void);
virtual GWcsSTG* clone(void) const;
virtual std::string classname(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 GWcsSTG& 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 class name
*
* @return String containing the class name ("GWcsSTG").
***************************************************************************/
inline
std::string GWcsSTG::classname(void) const
{
return ("GWcsSTG");
}
/***********************************************************************//**
* @brief Return projection code
*
* @return Projection code.
*
* Returns the projection code "STG".
***************************************************************************/
inline
std::string GWcsSTG::code(void) const
{
return "STG";
}
/***********************************************************************//**
* @brief Return projection name
*
* @return Projection name.
*
* Returns the projection name.
***************************************************************************/
inline
std::string GWcsSTG::name(void) const
{
return "stereographic";
}
#endif /* GWCSSTG_HPP */