diff options
Diffstat (limited to 'boost/geometry/srs/projections/proj/nsper.hpp')
-rw-r--r-- | boost/geometry/srs/projections/proj/nsper.hpp | 150 |
1 files changed, 76 insertions, 74 deletions
diff --git a/boost/geometry/srs/projections/proj/nsper.hpp b/boost/geometry/srs/projections/proj/nsper.hpp index 85576bf963..2910ee6203 100644 --- a/boost/geometry/srs/projections/proj/nsper.hpp +++ b/boost/geometry/srs/projections/proj/nsper.hpp @@ -1,8 +1,4 @@ -#ifndef BOOST_GEOMETRY_PROJECTIONS_NSPER_HPP -#define BOOST_GEOMETRY_PROJECTIONS_NSPER_HPP - -// Boost.Geometry - extensions-gis-projections (based on PROJ4) -// This file is automatically generated. DO NOT EDIT. +// Boost.Geometry - gis-projections (based on PROJ4) // Copyright (c) 2008-2015 Barend Gehrels, Amsterdam, the Netherlands. @@ -19,7 +15,7 @@ // PROJ4 is maintained by Frank Warmerdam // PROJ4 is converted to Boost.Geometry by Barend Gehrels -// Last updated version of proj: 4.9.1 +// Last updated version of proj: 5.0.0 // Original copyright notice: @@ -41,6 +37,9 @@ // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. +#ifndef BOOST_GEOMETRY_PROJECTIONS_NSPER_HPP +#define BOOST_GEOMETRY_PROJECTIONS_NSPER_HPP + #include <boost/config.hpp> #include <boost/geometry/util/math.hpp> #include <boost/math/special_functions/hypot.hpp> @@ -55,8 +54,8 @@ namespace boost { namespace geometry namespace srs { namespace par4 { - struct nsper {}; - struct tpers {}; + struct nsper {}; // Near-sided perspective + struct tpers {}; // Tilted perspective }} //namespace srs::par4 @@ -66,11 +65,13 @@ namespace projections namespace detail { namespace nsper { - static const double EPS10 = 1.e-10; - static const int N_POLE = 0; - static const int S_POLE = 1; - static const int EQUIT = 2; - static const int OBLIQ = 3; + static const double epsilon10 = 1.e-10; + enum mode_type { + n_pole = 0, + s_pole = 1, + equit = 2, + obliq = 3 + }; template <typename T> struct par_nsper @@ -87,69 +88,66 @@ namespace projections T sg; T sw; T cw; - int mode; + mode_type mode; int tilt; }; // template class, using CRTP to implement forward/inverse - template <typename CalculationType, typename Parameters> - struct base_nsper_spheroid : public base_t_fi<base_nsper_spheroid<CalculationType, Parameters>, - CalculationType, Parameters> + template <typename T, typename Parameters> + struct base_nsper_spheroid + : public base_t_fi<base_nsper_spheroid<T, Parameters>, T, Parameters> { - - typedef CalculationType geographic_type; - typedef CalculationType cartesian_type; - - par_nsper<CalculationType> m_proj_parm; + par_nsper<T> m_proj_parm; inline base_nsper_spheroid(const Parameters& par) - : base_t_fi<base_nsper_spheroid<CalculationType, Parameters>, - CalculationType, Parameters>(*this, par) {} + : base_t_fi<base_nsper_spheroid<T, Parameters>, T, Parameters>(*this, par) + {} // FORWARD(s_forward) spheroid // Project coordinates from geographic (lon, lat) to cartesian (x, y) - inline void fwd(geographic_type& lp_lon, geographic_type& lp_lat, cartesian_type& xy_x, cartesian_type& xy_y) const + inline void fwd(T& lp_lon, T& lp_lat, T& xy_x, T& xy_y) const { - CalculationType coslam, cosphi, sinphi; + T coslam, cosphi, sinphi; sinphi = sin(lp_lat); cosphi = cos(lp_lat); coslam = cos(lp_lon); switch (this->m_proj_parm.mode) { - case OBLIQ: + case obliq: xy_y = this->m_proj_parm.sinph0 * sinphi + this->m_proj_parm.cosph0 * cosphi * coslam; break; - case EQUIT: + case equit: xy_y = cosphi * coslam; break; - case S_POLE: + case s_pole: xy_y = - sinphi; break; - case N_POLE: + case n_pole: xy_y = sinphi; break; } - if (xy_y < this->m_proj_parm.rp) - BOOST_THROW_EXCEPTION( projection_exception(-20) ); + if (xy_y < this->m_proj_parm.rp) { + BOOST_THROW_EXCEPTION( projection_exception(error_tolerance_condition) ); + } xy_y = this->m_proj_parm.pn1 / (this->m_proj_parm.p - xy_y); xy_x = xy_y * cosphi * sin(lp_lon); switch (this->m_proj_parm.mode) { - case OBLIQ: + case obliq: xy_y *= (this->m_proj_parm.cosph0 * sinphi - this->m_proj_parm.sinph0 * cosphi * coslam); break; - case EQUIT: + case equit: xy_y *= sinphi; break; - case N_POLE: + case n_pole: coslam = - coslam; BOOST_FALLTHROUGH; - case S_POLE: + case s_pole: xy_y *= cosphi * coslam; break; } if (this->m_proj_parm.tilt) { - CalculationType yt, ba; + T yt, ba; yt = xy_y * this->m_proj_parm.cg + xy_x * this->m_proj_parm.sg; ba = 1. / (yt * this->m_proj_parm.sw * this->m_proj_parm.h + this->m_proj_parm.cw); @@ -160,12 +158,12 @@ namespace projections // INVERSE(s_inverse) spheroid // Project coordinates from cartesian (x, y) to geographic (lon, lat) - inline void inv(cartesian_type& xy_x, cartesian_type& xy_y, geographic_type& lp_lon, geographic_type& lp_lat) const + inline void inv(T& xy_x, T& xy_y, T& lp_lon, T& lp_lat) const { - CalculationType rh, cosz, sinz; + T rh, cosz, sinz; if (this->m_proj_parm.tilt) { - CalculationType bm, bq, yt; + T bm, bq, yt; yt = 1./(this->m_proj_parm.pn1 - xy_y * this->m_proj_parm.sw); bm = this->m_proj_parm.pn1 * xy_x * yt; @@ -174,30 +172,31 @@ namespace projections xy_y = bq * this->m_proj_parm.cg - bm * this->m_proj_parm.sg; } rh = boost::math::hypot(xy_x, xy_y); - if ((sinz = 1. - rh * rh * this->m_proj_parm.pfact) < 0.) - BOOST_THROW_EXCEPTION( projection_exception(-20) ); + if ((sinz = 1. - rh * rh * this->m_proj_parm.pfact) < 0.) { + BOOST_THROW_EXCEPTION( projection_exception(error_tolerance_condition) ); + } sinz = (this->m_proj_parm.p - sqrt(sinz)) / (this->m_proj_parm.pn1 / rh + rh / this->m_proj_parm.pn1); cosz = sqrt(1. - sinz * sinz); - if (fabs(rh) <= EPS10) { + if (fabs(rh) <= epsilon10) { lp_lon = 0.; lp_lat = this->m_par.phi0; } else { switch (this->m_proj_parm.mode) { - case OBLIQ: + case obliq: lp_lat = asin(cosz * this->m_proj_parm.sinph0 + xy_y * sinz * this->m_proj_parm.cosph0 / rh); xy_y = (cosz - this->m_proj_parm.sinph0 * sin(lp_lat)) * rh; xy_x *= sinz * this->m_proj_parm.cosph0; break; - case EQUIT: + case equit: lp_lat = asin(xy_y * sinz / rh); xy_y = cosz * rh; xy_x *= sinz; break; - case N_POLE: + case n_pole: lp_lat = asin(cosz); xy_y = -xy_y; break; - case S_POLE: + case s_pole: lp_lat = - asin(cosz); break; } @@ -215,14 +214,15 @@ namespace projections template <typename Parameters, typename T> inline void setup(Parameters& par, par_nsper<T>& proj_parm) { - if ((proj_parm.height = pj_param(par.params, "dh").f) <= 0.) - BOOST_THROW_EXCEPTION( projection_exception(-30) ); - if (fabs(fabs(par.phi0) - geometry::math::half_pi<T>()) < EPS10) - proj_parm.mode = par.phi0 < 0. ? S_POLE : N_POLE; - else if (fabs(par.phi0) < EPS10) - proj_parm.mode = EQUIT; + if ((proj_parm.height = pj_get_param_f(par.params, "h")) <= 0.) + BOOST_THROW_EXCEPTION( projection_exception(error_h_less_than_zero) ); + + if (fabs(fabs(par.phi0) - geometry::math::half_pi<T>()) < epsilon10) + proj_parm.mode = par.phi0 < 0. ? s_pole : n_pole; + else if (fabs(par.phi0) < epsilon10) + proj_parm.mode = equit; else { - proj_parm.mode = OBLIQ; + proj_parm.mode = obliq; proj_parm.sinph0 = sin(par.phi0); proj_parm.cosph0 = cos(par.phi0); } @@ -240,6 +240,7 @@ namespace projections inline void setup_nsper(Parameters& par, par_nsper<T>& proj_parm) { proj_parm.tilt = 0; + setup(par, proj_parm); } @@ -249,11 +250,12 @@ namespace projections { T omega, gamma; - omega = pj_param(par.params, "dtilt").f * geometry::math::d2r<T>(); - gamma = pj_param(par.params, "dazi").f * geometry::math::d2r<T>(); + omega = pj_get_param_r(par.params, "tilt"); + gamma = pj_get_param_r(par.params, "azi"); proj_parm.tilt = 1; proj_parm.cg = cos(gamma); proj_parm.sg = sin(gamma); proj_parm.cw = cos(omega); proj_parm.sw = sin(omega); + setup(par, proj_parm); } @@ -274,10 +276,10 @@ namespace projections \par Example \image html ex_nsper.gif */ - template <typename CalculationType, typename Parameters> - struct nsper_spheroid : public detail::nsper::base_nsper_spheroid<CalculationType, Parameters> + template <typename T, typename Parameters> + struct nsper_spheroid : public detail::nsper::base_nsper_spheroid<T, Parameters> { - inline nsper_spheroid(const Parameters& par) : detail::nsper::base_nsper_spheroid<CalculationType, Parameters>(par) + inline nsper_spheroid(const Parameters& par) : detail::nsper::base_nsper_spheroid<T, Parameters>(par) { detail::nsper::setup_nsper(this->m_par, this->m_proj_parm); } @@ -299,10 +301,10 @@ namespace projections \par Example \image html ex_tpers.gif */ - template <typename CalculationType, typename Parameters> - struct tpers_spheroid : public detail::nsper::base_nsper_spheroid<CalculationType, Parameters> + template <typename T, typename Parameters> + struct tpers_spheroid : public detail::nsper::base_nsper_spheroid<T, Parameters> { - inline tpers_spheroid(const Parameters& par) : detail::nsper::base_nsper_spheroid<CalculationType, Parameters>(par) + inline tpers_spheroid(const Parameters& par) : detail::nsper::base_nsper_spheroid<T, Parameters>(par) { detail::nsper::setup_tpers(this->m_par, this->m_proj_parm); } @@ -317,31 +319,31 @@ namespace projections BOOST_GEOMETRY_PROJECTIONS_DETAIL_STATIC_PROJECTION(srs::par4::tpers, tpers_spheroid, tpers_spheroid) // Factory entry(s) - template <typename CalculationType, typename Parameters> - class nsper_entry : public detail::factory_entry<CalculationType, Parameters> + template <typename T, typename Parameters> + class nsper_entry : public detail::factory_entry<T, Parameters> { public : - virtual base_v<CalculationType, Parameters>* create_new(const Parameters& par) const + virtual base_v<T, Parameters>* create_new(const Parameters& par) const { - return new base_v_fi<nsper_spheroid<CalculationType, Parameters>, CalculationType, Parameters>(par); + return new base_v_fi<nsper_spheroid<T, Parameters>, T, Parameters>(par); } }; - template <typename CalculationType, typename Parameters> - class tpers_entry : public detail::factory_entry<CalculationType, Parameters> + template <typename T, typename Parameters> + class tpers_entry : public detail::factory_entry<T, Parameters> { public : - virtual base_v<CalculationType, Parameters>* create_new(const Parameters& par) const + virtual base_v<T, Parameters>* create_new(const Parameters& par) const { - return new base_v_fi<tpers_spheroid<CalculationType, Parameters>, CalculationType, Parameters>(par); + return new base_v_fi<tpers_spheroid<T, Parameters>, T, Parameters>(par); } }; - template <typename CalculationType, typename Parameters> - inline void nsper_init(detail::base_factory<CalculationType, Parameters>& factory) + template <typename T, typename Parameters> + inline void nsper_init(detail::base_factory<T, Parameters>& factory) { - factory.add_to_factory("nsper", new nsper_entry<CalculationType, Parameters>); - factory.add_to_factory("tpers", new tpers_entry<CalculationType, Parameters>); + factory.add_to_factory("nsper", new nsper_entry<T, Parameters>); + factory.add_to_factory("tpers", new tpers_entry<T, Parameters>); } } // namespace detail |