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// Boost.Geometry - gis-projections (based on PROJ4)
// Copyright (c) 2008-2015 Barend Gehrels, Amsterdam, the Netherlands.
// This file was modified by Oracle on 2017, 2018.
// Modifications copyright (c) 2017-2018, Oracle and/or its affiliates.
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle.
// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// This file is converted from PROJ4, http://trac.osgeo.org/proj
// PROJ4 is originally written by Gerald Evenden (then of the USGS)
// PROJ4 is maintained by Frank Warmerdam
// PROJ4 is converted to Boost.Geometry by Barend Gehrels
// Last updated version of proj: 5.0.0
// Original copyright notice:
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#ifndef BOOST_GEOMETRY_PROJECTIONS_GOODE_HPP
#define BOOST_GEOMETRY_PROJECTIONS_GOODE_HPP
#include <boost/geometry/srs/projections/impl/base_static.hpp>
#include <boost/geometry/srs/projections/impl/base_dynamic.hpp>
#include <boost/geometry/srs/projections/impl/projects.hpp>
#include <boost/geometry/srs/projections/impl/factory_entry.hpp>
#include <boost/geometry/srs/projections/proj/gn_sinu.hpp>
#include <boost/geometry/srs/projections/proj/moll.hpp>
namespace boost { namespace geometry
{
namespace projections
{
#ifndef DOXYGEN_NO_DETAIL
namespace detail { namespace goode
{
static const double Y_COR = 0.05280;
static const double PHI_LIM = .71093078197902358062;
// TODO: consider storing references to Parameters instead of copies
template <typename T, typename Par>
struct par_goode
{
sinu_spheroid<T, Par> sinu;
moll_spheroid<T, Par> moll;
template <typename Params>
par_goode(Params const& params, Par const& par)
: sinu(params, par), moll(params, par)
{}
};
template <typename T, typename Par>
inline void s_forward(T const& lp_lon, T const& lp_lat, T& xy_x, T& xy_y,
par_goode<T, Par> const& proj_par)
{
if (fabs(lp_lat) <= PHI_LIM)
proj_par.sinu.fwd(lp_lon, lp_lat, xy_x, xy_y);
else {
proj_par.moll.fwd(lp_lon, lp_lat, xy_x, xy_y);
xy_y -= lp_lat >= 0.0 ? Y_COR : -Y_COR;
}
}
template <typename T, typename Par>
inline void s_inverse(T const& xy_x, T xy_y, T& lp_lon, T& lp_lat,
par_goode<T, Par> const& proj_par)
{
if (fabs(xy_y) <= PHI_LIM)
proj_par.sinu.inv(xy_x, xy_y, lp_lon, lp_lat);
else {
xy_y += xy_y >= 0.0 ? Y_COR : -Y_COR;
proj_par.moll.inv(xy_x, xy_y, lp_lon, lp_lat);
}
}
// Goode Homolosine
template <typename Par>
inline void setup_goode(Par& par)
{
par.es = 0.;
// NOTE: The following explicit initialization of sinu projection
// is not needed because setup_goode() is called before proj_par.sinu
// is constructed and m_par of parent projection is used.
//proj_par.sinu.m_par.es = 0.;
//detail::gn_sinu::setup_sinu(proj_par.sinu.m_par, proj_par.sinu.m_proj_parm);
}
}} // namespace detail::goode
#endif // doxygen
/*!
\brief Goode Homolosine projection
\ingroup projections
\tparam Geographic latlong point type
\tparam Cartesian xy point type
\tparam Parameters parameter type
\par Projection characteristics
- Pseudocylindrical
- Spheroid
\par Example
\image html ex_goode.gif
*/
template <typename T, typename Parameters>
struct goode_spheroid : public detail::base_t_fi<goode_spheroid<T, Parameters>, T, Parameters>
{
detail::goode::par_goode<T, Parameters> m_proj_parm;
template <typename Params>
inline goode_spheroid(Params const& params, Parameters const& par)
: detail::base_t_fi<goode_spheroid<T, Parameters>, T, Parameters>(*this, par)
, m_proj_parm(params, setup(this->m_par))
{}
// FORWARD(s_forward) spheroid
// Project coordinates from geographic (lon, lat) to cartesian (x, y)
inline void fwd(T const& lp_lon, T const& lp_lat, T& xy_x, T& xy_y) const
{
detail::goode::s_forward(lp_lon, lp_lat, xy_x, xy_y, this->m_proj_parm);
}
// INVERSE(s_inverse) spheroid
// Project coordinates from cartesian (x, y) to geographic (lon, lat)
inline void inv(T const& xy_x, T const& xy_y, T& lp_lon, T& lp_lat) const
{
detail::goode::s_inverse(xy_x, xy_y, lp_lon, lp_lat, this->m_proj_parm);
}
static inline std::string get_name()
{
return "goode_spheroid";
}
private:
static Parameters& setup(Parameters& par)
{
detail::goode::setup_goode(par);
return par;
}
};
#ifndef DOXYGEN_NO_DETAIL
namespace detail
{
// Static projection
BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION(srs::spar::proj_goode, goode_spheroid, goode_spheroid)
// Factory entry(s)
BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_FI(goode_entry, goode_spheroid)
BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_BEGIN(goode_init)
{
BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(goode, goode_entry);
}
} // namespace detail
#endif // doxygen
} // namespace projections
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_PROJECTIONS_GOODE_HPP
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