GeographicLib
1.45
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Constants needed by GeographicLib More...
#include <GeographicLib/Constants.hpp>
Static Public Member Functions | |
static Math::real | degree () |
static Math::real | arcminute () |
static Math::real | arcsecond () |
Ellipsoid parameters | |
template<typename T > | |
static T | WGS84_a () |
static Math::real | WGS84_a () |
template<typename T > | |
static T | WGS84_f () |
static Math::real | WGS84_f () |
template<typename T > | |
static T | WGS84_GM () |
static Math::real | WGS84_GM () |
template<typename T > | |
static T | WGS84_omega () |
static Math::real | WGS84_omega () |
template<typename T > | |
static T | GRS80_a () |
static Math::real | GRS80_a () |
template<typename T > | |
static T | GRS80_GM () |
static Math::real | GRS80_GM () |
template<typename T > | |
static T | GRS80_omega () |
static Math::real | GRS80_omega () |
template<typename T > | |
static T | GRS80_J2 () |
static Math::real | GRS80_J2 () |
template<typename T > | |
static T | UTM_k0 () |
static Math::real | UTM_k0 () |
template<typename T > | |
static T | UPS_k0 () |
static Math::real | UPS_k0 () |
SI units | |
template<typename T > | |
static T | meter () |
static Math::real | meter () |
static Math::real | kilometer () |
static Math::real | nauticalmile () |
template<typename T > | |
static T | square_meter () |
static Math::real | square_meter () |
static Math::real | hectare () |
static Math::real | square_kilometer () |
static Math::real | square_nauticalmile () |
Anachronistic British units | |
static Math::real | foot () |
static Math::real | yard () |
static Math::real | fathom () |
static Math::real | chain () |
static Math::real | furlong () |
static Math::real | mile () |
static Math::real | acre () |
static Math::real | square_mile () |
Anachronistic US units | |
static Math::real | surveyfoot () |
Related Functions | |
(Note that these are not member functions.) | |
#define | GEOGRAPHICLIB_VERSION_NUM(a, b, c) ((((a) * 10000 + (b)) * 100) + (c)) |
#define | GEOGRAPHICLIB_VERSION |
#define | GEOGRAPHICLIB_HAS_STATIC_ASSERT 0 |
#define | GEOGRAPHICLIB_STATIC_ASSERT(cond, reason) { enum{ GEOGRAPHICLIB_STATIC_ASSERT_ENUM = 1/int(cond) }; } |
Constants needed by GeographicLib
Define constants specifying the WGS84 ellipsoid, the UTM and UPS projections, and various unit conversions.
Example of use:
Definition at line 115 of file Constants.hpp.
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A synonym for Math::degree<real>().
Definition at line 124 of file Constants.hpp.
References GeographicLib::Math::degree().
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Definition at line 128 of file Constants.hpp.
References GeographicLib::Math::degree().
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Definition at line 133 of file Constants.hpp.
References GeographicLib::Math::degree().
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T | the type of the returned value. |
Definition at line 143 of file Constants.hpp.
Referenced by GeographicLib::AlbersEqualArea::AzimuthalEqualAreaNorth(), GeographicLib::AlbersEqualArea::AzimuthalEqualAreaSouth(), GeographicLib::AlbersEqualArea::CylindricalEqualArea(), main(), GeographicLib::UTMUPS::MajorRadius(), GeographicLib::Geoid::MajorRadius(), GeographicLib::LambertConformalConic::Mercator(), GeographicLib::PolarStereographic::UPS(), GeographicLib::TransverseMercator::UTM(), GeographicLib::TransverseMercatorExact::UTM(), GeographicLib::Geocentric::WGS84(), GeographicLib::NormalGravity::WGS84(), GeographicLib::Rhumb::WGS84(), GeographicLib::Ellipsoid::WGS84(), GeographicLib::GeodesicExact::WGS84(), and GeographicLib::Geodesic::WGS84().
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A synonym for WGS84_a<real>().
Definition at line 148 of file Constants.hpp.
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inlinestatic |
T | the type of the returned value. |
Definition at line 153 of file Constants.hpp.
Referenced by GeographicLib::AlbersEqualArea::AzimuthalEqualAreaNorth(), GeographicLib::AlbersEqualArea::AzimuthalEqualAreaSouth(), GeographicLib::AlbersEqualArea::CylindricalEqualArea(), GeographicLib::UTMUPS::Flattening(), GeographicLib::Geoid::Flattening(), main(), GeographicLib::LambertConformalConic::Mercator(), GeographicLib::PolarStereographic::UPS(), GeographicLib::TransverseMercator::UTM(), GeographicLib::TransverseMercatorExact::UTM(), GeographicLib::Geocentric::WGS84(), GeographicLib::NormalGravity::WGS84(), GeographicLib::Rhumb::WGS84(), GeographicLib::Ellipsoid::WGS84(), GeographicLib::GeodesicExact::WGS84(), and GeographicLib::Geodesic::WGS84().
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A synonym for WGS84_f<real>().
Definition at line 162 of file Constants.hpp.
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T | the type of the returned value. |
Definition at line 168 of file Constants.hpp.
Referenced by GeographicLib::NormalGravity::WGS84().
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A synonym for WGS84_GM<real>().
Definition at line 173 of file Constants.hpp.
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T | the type of the returned value. |
Definition at line 179 of file Constants.hpp.
Referenced by GeographicLib::NormalGravity::WGS84().
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A synonym for WGS84_omega<real>().
Definition at line 184 of file Constants.hpp.
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T | the type of the returned value. |
Definition at line 202 of file Constants.hpp.
Referenced by GeographicLib::NormalGravity::GRS80().
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A synonym for GRS80_a<real>().
Definition at line 207 of file Constants.hpp.
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T | the type of the returned value. |
Definition at line 213 of file Constants.hpp.
Referenced by GeographicLib::NormalGravity::GRS80().
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A synonym for GRS80_GM<real>().
Definition at line 218 of file Constants.hpp.
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T | the type of the returned value. |
This is about 2 π 366.25 / (365.25 × 24 × 3600) rad s−1. 365.25 is the number of days in a Julian year and 365.35/366.25 converts from solar days to sidereal days. Using the number of days in a Gregorian year (365.2425) results in a worse approximation (because the Gregorian year includes the precession of the earth's axis).
Definition at line 231 of file Constants.hpp.
Referenced by GeographicLib::NormalGravity::GRS80().
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A synonym for GRS80_omega<real>().
Definition at line 236 of file Constants.hpp.
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T | the type of the returned value. |
Definition at line 242 of file Constants.hpp.
Referenced by GeographicLib::NormalGravity::GRS80().
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A synonym for GRS80_J2<real>().
Definition at line 247 of file Constants.hpp.
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T | the type of the returned value. |
Definition at line 252 of file Constants.hpp.
Referenced by main(), GeographicLib::TransverseMercator::UTM(), and GeographicLib::TransverseMercatorExact::UTM().
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A synonym for UTM_k0<real>().
Definition at line 257 of file Constants.hpp.
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T | the type of the returned value. |
Definition at line 262 of file Constants.hpp.
Referenced by GeographicLib::PolarStereographic::UPS().
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A synonym for UPS_k0<real>().
Definition at line 267 of file Constants.hpp.
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T | the type of the returned value. |
This is unity, but this lets the internal system of units be changed if necessary.
Definition at line 280 of file Constants.hpp.
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A synonym for meter<real>().
Definition at line 284 of file Constants.hpp.
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Definition at line 288 of file Constants.hpp.
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Definition at line 294 of file Constants.hpp.
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T | the type of the returned value. |
This is unity, but this lets the internal system of units be changed if necessary.
Definition at line 304 of file Constants.hpp.
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A synonym for square_meter<real>().
Definition at line 309 of file Constants.hpp.
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Definition at line 314 of file Constants.hpp.
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Definition at line 319 of file Constants.hpp.
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Definition at line 324 of file Constants.hpp.
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Definition at line 334 of file Constants.hpp.
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Definition at line 339 of file Constants.hpp.
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Definition at line 343 of file Constants.hpp.
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Definition at line 347 of file Constants.hpp.
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Definition at line 351 of file Constants.hpp.
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Definition at line 355 of file Constants.hpp.
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Definition at line 359 of file Constants.hpp.
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Definition at line 363 of file Constants.hpp.
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Definition at line 372 of file Constants.hpp.
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Pack the version components into a single integer. Users should not rely on this particular packing of the components of the version number; see the documentation for GEOGRAPHICLIB_VERSION, below.
Definition at line 21 of file Constants.hpp.
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The version of GeographicLib as a single integer, packed as MMmmmmpp where MM is the major version, mmmm is the minor version, and pp is the patch level. Users should not rely on this particular packing of the components of the version number. Instead they should use a test such as
Definition at line 34 of file Constants.hpp.
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Is the C++11 static_assert available?
Definition at line 63 of file Constants.hpp.
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A compile-time assert. Use C++11 static_assert, if available.
Definition at line 75 of file Constants.hpp.