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.Range sliced

Boost.Range sliced range adaptor is adapted to Boost.Geometry

Description

Boost.Range sliced range adaptor creates a slice of a range (usually a linestring)

Model of

The Boost.Range sliced range adaptor takes over the model of the original geometry, which might be:

Header

#include <boost/geometry/geometries/adapted/boost_range/sliced.hpp>

The standard header boost/geometry.hpp does not include this header.

Example

Shows how to use a Boost.Geometry linestring, sliced by Boost.Range adaptor

#include <iostream>

#include <boost/assign.hpp>

#include <boost/geometry.hpp>
#include <boost/geometry/geometries/linestring.hpp>
#include <boost/geometry/geometries/point_xy.hpp>
#include <boost/geometry/geometries/adapted/boost_range/sliced.hpp>


int main()
{
    using namespace boost::assign;

    typedef boost::geometry::model::d2::point_xy<int> xy;
    boost::geometry::model::linestring<xy> line;
    line += xy(0, 0);
    line += xy(1, 1);
    line += xy(2, 2);
    line += xy(3, 3);
    line += xy(4, 4);

    std::cout
        << boost::geometry::dsv(line | boost::adaptors::sliced(1, 3)) << std::endl;

    return 0;
}

Output:

((1, 1), (2, 2))

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