summaryrefslogtreecommitdiff
path: root/boost/geometry/srs/projections/proj/nsper.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'boost/geometry/srs/projections/proj/nsper.hpp')
-rw-r--r--boost/geometry/srs/projections/proj/nsper.hpp150
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