/Src/Dependencies/Boost/libs/geometry/doc/src/examples/algorithms/make_with_range.cpp
http://hadesmem.googlecode.com/ · C++ · 51 lines · 19 code · 14 blank · 18 comment · 0 complexity · add59e807f6e569efb7e864271910527 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)
- //[make_with_range
- //` Using make to construct a linestring with two different range types
- #include <iostream>
- #include <boost/geometry.hpp>
- #include <boost/geometry/geometries/linestring.hpp>
- #include <boost/geometry/geometries/point_xy.hpp>
- #include <boost/geometry/geometries/adapted/c_array.hpp>
- BOOST_GEOMETRY_REGISTER_C_ARRAY_CS(cs::cartesian) /*< Necessary to register a C array like {1,2} as a point >*/
- int main()
- {
- using boost::geometry::make;
- using boost::geometry::detail::make::make_points;
- typedef boost::geometry::model::d2::point_xy<double> point;
- typedef boost::geometry::model::linestring<point> linestring;
- double coordinates[][2] = {{1,2}, {3,4}, {5, 6}}; /*< Initialize with C array points >*/
- linestring ls = make_points<linestring>(coordinates);
- std::cout << boost::geometry::dsv(ls) << std::endl;
- point points[3] = { make<point>(9,8), make<point>(7,6), make<point>(5,4) }; /*< Construct array with points, using make which should work for any point type >*/
- std::cout << boost::geometry::dsv(make_points<linestring>(points)) << std::endl; /*< Construct linestring with point-array and output it as Delimiter Separated Values >*/
- return 0;
- }
- //]
- //[make_with_range_output
- /*`
- Output:
- [pre
- ((1, 2), (3, 4), (5, 6))
- ((9, 8), (7, 6), (5, 4))
- ]
- */
- //]