/Src/Dependencies/Boost/libs/geometry/doc/src/examples/core/degree_radian.cpp
http://hadesmem.googlecode.com/ · C++ · 47 lines · 16 code · 12 blank · 19 comment · 0 complexity · 55567cd58c331a3459198f5999132365 MD5 · raw file
- // Boost.Geometry (aka GGL, Generic Geometry Library)
- // QuickBook Example
- // Copyright (c) 2011 Barend Gehrels, Amsterdam, the Netherlands.
- // Use, modification and distribution is subject to the Boost Software License,
- // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- //[degree_radian
- //` Specify two coordinate systems, one in degrees, one in radians.
- #include <iostream>
- #include <boost/geometry.hpp>
- using namespace boost::geometry;
- int main()
- {
- typedef model::point<double, 2, cs::spherical_equatorial<degree> > degree_point;
- typedef model::point<double, 2, cs::spherical_equatorial<radian> > radian_point;
-
- degree_point d(4.893, 52.373);
- radian_point r(0.041, 0.8527);
- double dist = distance(d, r);
- std::cout
- << "distance:" << std::endl
- << dist << " over unit sphere" << std::endl
- << dist * 3959 << " over a spherical earth, in miles" << std::endl;
- return 0;
- }
- //]
- //[degree_radian_output
- /*`
- Output:
- [pre
- distance:
- 0.0675272 over unit sphere
- 267.34 over a spherical earth, in miles
- ]
- */
- //]