bg_test_1.cpp File Reference

test of importing a polygon from Boost Geometry More...

#include "../../homog2d.hpp"

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Macros
#define	HOMOG2D_USE_BOOSTGEOM
#define	HOMOG2D_USE_OPENCV

Functions
int	main ()

Detailed Description

test of importing a polygon from Boost Geometry

Note

20230216: preliminar feature, will be expanded

run with $ make test-bg

Macro Definition Documentation

HOMOG2D_USE_BOOSTGEOM

#define HOMOG2D_USE_BOOSTGEOM

HOMOG2D_USE_OPENCV

#define HOMOG2D_USE_OPENCV

Function Documentation

main()

int main

(

)

{
    namespace bg = boost::geometry;
    std::cout << "Boost version:"     << BOOST_VERSION << '\n';
    std::cout << "Boost lib version:" << BOOST_LIB_VERSION << '\n';
// two types of boost points
    using point_t1 = bg::model::point<double, 2, bg::cs::cartesian>;
    using point_t2 = bg::model::d2::point_xy<double>;

// build two boost geometry polygons, one open, one closed
    using cpolygon_t1 = bg::model::polygon<point_t1,true,true>;
    using opolygon_t1 = bg::model::polygon<point_t1,true,false>;

    cpolygon_t1 cpoly1{{ {0.0, 0.0}, {0.0, 5.0}, {5.0, 5.0}, {5.0, 0.0}, {0.0, 0.0} }};
    opolygon_t1 opoly1{{ {0.0, 0.0}, {0.0, 5.0}, {5.0, 5.0}, {5.0, 0.0} }};

// importing the polygons
    h2d::CPolyline p1a( cpoly1 );
    h2d::OPolyline p1b( opoly1 );
    std::cout << "p1a=" << p1a << "p1b=" << p1b << '\n';

    using cpolygon_t2 = bg::model::polygon<point_t2,true,true>;
    using opolygon_t2 = bg::model::polygon<point_t2,true,false>;

    cpolygon_t2 cpoly2{{ {0.0, 0.0}, {0.0, 5.0}, {5.0, 5.0}, {5.0, 0.0}, {0.0, 0.0} }};
    opolygon_t2 opoly2{{ {0.0, 0.0}, {0.0, 5.0}, {5.0, 5.0}, {5.0, 0.0} }};

    h2d::CPolyline p2a( cpoly2 );
    h2d::OPolyline p2b( opoly2 );
    std::cout << "p2a=" << p2a << "p2b=" << p2b << '\n';

    point_t1 ptb1(3,4);
    point_t2 ptb2(8,9);
    h2d::Point2d p1(ptb1);
    h2d::Point2d p2(ptb2);
    std::cout << "p1=" << p1 << " p2=" << p2 << '\n';

    p1.set(ptb2);
    p2.set(ptb1);
    std::cout << "p1=" << p1 << " p2=" << p2 << '\n';

    p1 = ptb2;
    p2 = ptb1;

// convert to bg type
    point_t1 bpt1a = p1.getPt<point_t1>();
    point_t1 bpt1b = h2d::getPt<point_t1>(p2);
}

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