// Boost.Geometry (aka GGL, Generic Geometry Library)
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// This file is manually converted from PROJ4 (projects.h)
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// Copyright (c) 2008-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// This file was modified by Oracle on 2017-2020.
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// Modifications copyright (c) 2017-2020, Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// This file is converted from PROJ4, http://trac.osgeo.org/proj
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// PROJ4 is originally written by Gerald Evenden (then of the USGS)
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// PROJ4 is maintained by Frank Warmerdam
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// PROJ4 is converted to Geometry Library by Barend Gehrels (Geodan, Amsterdam)
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// Original copyright notice:
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#ifndef BOOST_GEOMETRY_PROJECTIONS_IMPL_PROJECTS_HPP
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#define BOOST_GEOMETRY_PROJECTIONS_IMPL_PROJECTS_HPP
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#include <cstring>
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#include <string>
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#include <vector>
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#include <boost/config.hpp>
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#include <boost/geometry/srs/projections/constants.hpp>
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#include <boost/geometry/srs/projections/dpar.hpp>
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#include <boost/geometry/srs/projections/spar.hpp>
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namespace boost { namespace geometry { namespace projections
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{
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail
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{
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/* datum_type values */
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enum datum_type
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{
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datum_unknown = 0,
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datum_3param = 1,
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datum_7param = 2,
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datum_gridshift = 3,
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datum_wgs84 = 4 /* WGS84 (or anything considered equivelent) */
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};
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// Originally defined in proj_internal.h
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//enum pj_io_units {
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// pj_io_units_whatever = 0, /* Doesn't matter (or depends on pipeline neighbours) */
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// pj_io_units_classic = 1, /* Scaled meters (right), projected system */
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// pj_io_units_projected = 2, /* Meters, projected system */
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// pj_io_units_cartesian = 3, /* Meters, 3D cartesian system */
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// pj_io_units_angular = 4 /* Radians */
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//};
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// Originally defined in proj_internal.h
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/* Maximum latitudinal overshoot accepted */
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//static const double pj_epsilon_lat = 1e-12;
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template <typename T>
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struct pj_consts
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{
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// E L L I P S O I D P A R A M E T E R S
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T a; /* semimajor axis (radius if eccentricity==0) */
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T ra; /* 1/a */
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T e; /* first eccentricity */
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T es; /* first eccentricity squared */
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T one_es; /* 1 - e^2 */
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T rone_es; /* 1/one_es */
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T es_orig, a_orig; /* es and a before any +proj related adjustment */
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// C A R T O G R A P H I C O F F S E T S
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T lam0, phi0; /* central longitude, latitude */
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T x0, y0/*, z0, t0*/; /* false easting and northing (and height and time) */
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// S C A L I N G
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T k0; /* general scaling factor */
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T to_meter, fr_meter; /* cartesian scaling */
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T vto_meter, vfr_meter; /* Vertical scaling. Internal unit [m] */
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// D A T U M S A N D H E I G H T S Y S T E M S
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T from_greenwich; /* prime meridian offset (in radians) */
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T long_wrap_center; /* 0.0 for -180 to 180, actually in radians*/
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srs::detail::towgs84<T> datum_params; /* Parameters for 3PARAM and 7PARAM */
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srs::detail::nadgrids nadgrids; /* Names of horozontal grid files. */
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detail::datum_type datum_type; /* PJD_UNKNOWN/3PARAM/7PARAM/GRIDSHIFT/WGS84 */
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bool is_long_wrap_set;
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// C O O R D I N A T E H A N D L I N G
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bool over; /* over-range flag */
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bool geoc; /* geocentric latitude flag */
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bool is_latlong; /* proj=latlong ... not really a projection at all */
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bool is_geocent; /* proj=geocent ... not really a projection at all */
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//bool need_ellps; /* 0 for operations that are purely cartesian */
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//enum pj_io_units left; /* Flags for input/output coordinate types */
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//enum pj_io_units right;
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// Initialize all variables
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pj_consts()
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: a(0), ra(0)
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, e(0), es(0), one_es(0), rone_es(0)
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, es_orig(0), a_orig(0)
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, lam0(0), phi0(0)
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, x0(0), y0(0)/*, z0(0), t0(0)*/
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, k0(0) , to_meter(0), fr_meter(0), vto_meter(0), vfr_meter(0)
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, from_greenwich(0), long_wrap_center(0)
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, datum_type(datum_unknown)
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, is_long_wrap_set(false)
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, over(false), geoc(false), is_latlong(false), is_geocent(false)
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//, need_ellps(true)
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//, left(PJ_IO_UNITS_ANGULAR), right(PJ_IO_UNITS_CLASSIC)
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{}
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};
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// PROJ4 complex. Might be replaced with std::complex
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template <typename T>
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struct pj_complex { T r, i; };
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} // namespace detail
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#endif // DOXYGEN_NO_DETAIL
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/*!
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\brief parameters, projection parameters
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\details This structure initializes all projections
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\ingroup projection
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*/
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template <typename T>
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struct parameters : public detail::pj_consts<T>
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{
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typedef T type;
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struct proj_id
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{
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proj_id()
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: id(srs::dpar::proj_unknown)
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{}
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proj_id(srs::dpar::value_proj i)
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: id(i)
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{}
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proj_id(std::string const& s)
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: id(srs::dpar::proj_unknown)
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, name(s)
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{}
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bool is_unknown() const
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{
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return id == srs::dpar::proj_unknown && name.empty();
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}
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// Either one of these is set:
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srs::dpar::value_proj id; // id of projection
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std::string name; // name of projection
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};
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proj_id id;
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};
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}}} // namespace boost::geometry::projections
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#endif // BOOST_GEOMETRY_PROJECTIONS_IMPL_PROJECTS_HPP
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