// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
-// This file was modified by Oracle on 2017.
-// Modifications copyright (c) 2017, Oracle and/or its affiliates.
+// This file was modified by Oracle on 2017, 2018, 2019.
+// Modifications copyright (c) 2017-2019, 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,
#include <string>
+#include <boost/geometry/srs/projections/exception.hpp>
#include <boost/geometry/srs/projections/impl/projects.hpp>
namespace boost { namespace geometry { namespace projections
\tparam P parameters type
*/
template <typename CT, typename P>
-class base_v
+class dynamic_wrapper_b
{
public :
+ dynamic_wrapper_b(P const& par)
+ : m_par(par)
+ {}
+
+ virtual ~dynamic_wrapper_b() {}
+
+ /// Forward projection using lon / lat and x / y separately
+ virtual void fwd(P const& par, CT const& lp_lon, CT const& lp_lat, CT& xy_x, CT& xy_y) const = 0;
+
+ /// Inverse projection using x / y and lon / lat
+ virtual void inv(P const& par, CT const& xy_x, CT const& xy_y, CT& lp_lon, CT& lp_lat) const = 0;
+
/// Forward projection, from Latitude-Longitude to Cartesian
template <typename LL, typename XY>
inline bool forward(LL const& lp, XY& xy) const
{
try
{
- pj_fwd(*this, this->params(), lp, xy);
+ pj_fwd(*this, m_par, lp, xy);
return true;
}
catch (...)
{
try
{
- pj_inv(*this, this->params(), xy, lp);
+ pj_inv(*this, m_par, xy, lp);
return true;
}
catch (projection_not_invertible_exception &)
}
}
- /// Forward projection using lon / lat and x / y separately
- virtual void fwd(CT& lp_lon, CT& lp_lat, CT& xy_x, CT& xy_y) const = 0;
-
- /// Inverse projection using x / y and lon / lat
- virtual void inv(CT& xy_x, CT& xy_y, CT& lp_lon, CT& lp_lat) const = 0;
-
/// Returns name of projection
- virtual std::string name() const = 0;
+ std::string name() const { return m_par.id.name; }
/// Returns parameters of projection
- virtual P const& params() const = 0;
+ P const& params() const { return m_par; }
/// Returns mutable parameters of projection
- virtual P& mutable_params() = 0;
+ P& mutable_params() { return m_par; }
- virtual ~base_v() {}
+protected:
+ P m_par;
};
-// Base-virtual-forward
+// Forward
template <typename Prj, typename CT, typename P>
-class base_v_f : public base_v<CT, P>
+class dynamic_wrapper_f
+ : public dynamic_wrapper_b<CT, P>
+ , protected Prj
{
+ typedef dynamic_wrapper_b<CT, P> base_t;
+
public:
- base_v_f(P const& params)
- : m_proj(params)
+ template <typename Params>
+ dynamic_wrapper_f(Params const& params, P const& par)
+ : base_t(par)
+ , Prj(params, this->m_par) // prj can modify parameters
{}
- template <typename ProjP>
- base_v_f(P const& params, ProjP const& proj_params)
- : m_proj(params, proj_params)
+ template <typename Params, typename P3>
+ dynamic_wrapper_f(Params const& params, P const& par, P3 const& p3)
+ : base_t(par)
+ , Prj(params, this->m_par, p3) // prj can modify parameters
{}
- virtual void fwd(CT& lp_lon, CT& lp_lat, CT& xy_x, CT& xy_y) const
+ virtual void fwd(P const& par, CT const& lp_lon, CT const& lp_lat, CT& xy_x, CT& xy_y) const
{
- m_proj.fwd(lp_lon, lp_lat, xy_x, xy_y);
+ prj().fwd(par, lp_lon, lp_lat, xy_x, xy_y);
}
- virtual void inv(CT& , CT& , CT& , CT& ) const
+ virtual void inv(P const& , CT const& , CT const& , CT& , CT& ) const
{
- BOOST_THROW_EXCEPTION(projection_not_invertible_exception(params().name));
+ BOOST_THROW_EXCEPTION(projection_not_invertible_exception(this->name()));
}
- virtual std::string name() const { return m_proj.name(); }
-
- virtual P const& params() const { return m_proj.params(); }
-
- virtual P& mutable_params() { return m_proj.mutable_params(); }
-
protected:
- Prj m_proj;
+ Prj const& prj() const { return *this; }
};
-// Base-virtual-forward/inverse
+// Forward/inverse
template <typename Prj, typename CT, typename P>
-class base_v_fi : public base_v_f<Prj, CT, P>
+class dynamic_wrapper_fi : public dynamic_wrapper_f<Prj, CT, P>
{
- typedef base_v_f<Prj, CT, P> base_t;
+ typedef dynamic_wrapper_f<Prj, CT, P> base_t;
public:
- base_v_fi(P const& params)
- : base_t(params)
+ template <typename Params>
+ dynamic_wrapper_fi(Params const& params, P const& par)
+ : base_t(params, par)
{}
- template <typename ProjP>
- base_v_fi(P const& params, ProjP const& proj_params)
- : base_t(params, proj_params)
+ template <typename Params, typename P3>
+ dynamic_wrapper_fi(Params const& params, P const& par, P3 const& p3)
+ : base_t(params, par, p3)
{}
-
- virtual void inv(CT& xy_x, CT& xy_y, CT& lp_lon, CT& lp_lat) const
+
+ virtual void inv(P const& par, CT const& xy_x, CT const& xy_y, CT& lp_lon, CT& lp_lat) const
{
- this->m_proj.inv(xy_x, xy_y, lp_lon, lp_lat);
+ this->prj().inv(par, xy_x, xy_y, lp_lon, lp_lat);
}
};