#include <cassert>
#include <iostream>
#include <vector>
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Weffc++"
#pragma GCC diagnostic ignored "-Wunused-local-typedefs"
#pragma GCC diagnostic ignored "-Wunused-variable"
#include <boost/geometry.hpp>
#include <boost/geometry/geometries/point_xy.hpp>
#include <boost/geometry/geometries/polygon.hpp>
#include <boost/geometry/geometries/ring.hpp>
#include <boost/geometry/io/wkt/read.hpp>
#include <boost/geometry/io/wkt/write.hpp>
#include <boost/geometry/io/wkt/stream.hpp>
#include <boost/geometry/io/wkt/wkt.hpp>
#pragma GCC diagnostic pop
int main()
{
typedef boost::geometry::model::d2::point_xy<double> Coordinat2D;
typedef boost::geometry::model::polygon<Coordinat2D> Polygon;
const std::string wkt = "POLYGON((0.5 2.0,1.0 1.0,1.0 0.0,0.0 0.0,0.0 1.0))";
std::cout << wkt << '\n';
Polygon polygon;
boost::geometry::read_wkt(wkt,polygon);
{
const auto w = boost::geometry::wkt<>(polygon);
std::cout << w << '\n';
}
boost::geometry::correct(polygon);
{
const auto w = boost::geometry::wkt<>(polygon);
std::cout << w << '\n';
}
}
/* Screen output
POLYGON((0.5 2.0,1.0 1.0,1.0 0.0,0.0 0.0,0.0 1.0))
POLYGON((0.5 2,1 1,1 0,0 0,0 1))
POLYGON((0.5 2,1 1,1 0,0 0,0 1,0.5 2))
Press <RETURN> to close this window...
*/
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