Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

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BOOST_GEOMETRY_REGISTER_MULTI_POINT

Macro to register a multi_point.

Description

The macro BOOST_GEOMETRY_REGISTER_MULTI_POINT registers a multi_point such that it is recognized by Boost.Geometry and that Boost.Geometry functionality can used with the specified type. The multi_point may contain template parameters, which must be specified then.

Synopsis

#define BOOST_GEOMETRY_REGISTER_MULTI_POINT(MultiPoint)

Parameters

Name

Description

MultiPoint

multi_point type to be registered

Header

#include <boost/geometry/multi/geometries/register/multi_point.hpp>

Example

Show the use of the macro BOOST_GEOMETRY_REGISTER_MULTI_POINT

#include <iostream>
#include <boost/geometry.hpp>
#include <boost/geometry/geometries/adapted/boost_tuple.hpp>
#include <boost/geometry/multi/geometries/register/multi_point.hpp>

typedef boost::tuple<float, float> point_type;

BOOST_GEOMETRY_REGISTER_BOOST_TUPLE_CS(cs::cartesian)
BOOST_GEOMETRY_REGISTER_MULTI_POINT(std::deque< ::point_type >)

int main()
{
    // Normal usage of std::
    std::deque<point_type> multi_point;
    multi_point.push_back(point_type(1, 1));
    multi_point.push_back(point_type(3, 2));
    
    // Usage of Boost.Geometry
    std::cout << "WKT: "  << boost::geometry::wkt(multi_point) << std::endl;
    
    return 0;
}

Output:

WKT: MULTIPOINT((1 1),(3 2))

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