mirror of
https://github.com/boostorg/geometry.git
synced 2025-05-09 23:24:02 +00:00
38adce676e
- replace BOOST_FOREACH - replace Boost.Assign - replace typedef with using - other minor changes
47 lines
1.0 KiB
C++
47 lines
1.0 KiB
C++
// Boost.Geometry
|
|
// QuickBook Example
|
|
|
|
// Copyright (c) 2021, Oracle and/or its affiliates
|
|
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
|
|
|
|
// 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)
|
|
|
|
//[azimuth_strategy
|
|
//` Shows how to calculate azimuth in geographic coordinate system
|
|
|
|
#include <iostream>
|
|
|
|
#include <boost/geometry.hpp>
|
|
#include <boost/geometry/geometries/point.hpp>
|
|
|
|
int main()
|
|
{
|
|
namespace bg = boost::geometry;
|
|
using point_type = bg::model::point<double, 2, bg::cs::geographic<bg::degree>>;
|
|
|
|
point_type p1(0, 0);
|
|
point_type p2(1, 1);
|
|
|
|
bg::srs::spheroid<double> spheroid(6378137.0, 6356752.3142451793);
|
|
bg::strategies::azimuth::geographic<> strategy(spheroid);
|
|
|
|
auto azimuth = boost::geometry::azimuth(p1, p2, strategy);
|
|
|
|
std::cout << "azimuth: " << azimuth << std::endl;
|
|
|
|
return 0;
|
|
}
|
|
|
|
//]
|
|
|
|
//[azimuth_strategy_output
|
|
/*`
|
|
Output:
|
|
[pre
|
|
azimuth: 0.788674
|
|
]
|
|
*/
|
|
//]
|