75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
OBSOLETE
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// Boost.Geometry (aka GGL, Generic Geometry Library)
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//
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// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// Doxygen Examples, for e.g. email formal review
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#include <boost/foreach.hpp>
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#include <boost/geometry/geometry.hpp>
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void example_distance()
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{
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int a[2] = {1,2};
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int b[2] = {3,4};
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double d = boost::geometry::distance(a, b);
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std::cout << d << std::endl;
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}
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void example_length1()
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{
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std::vector<boost::tuple<double, double, double> > line;
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line.push_back(boost::make_tuple(1, 2, 3));
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line.push_back(boost::make_tuple(4, 5, 6));
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line.push_back(boost::make_tuple(7, 8, 9));
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double length = boost::geometry::length(line);
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std::cout << length << std::endl;
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}
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void example_length2()
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{
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std::vector<boost::tuple<double, double> > line;
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line.push_back(boost::make_tuple(1.1, 2.2));
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line.push_back(boost::make_tuple(3.3, 4.4));
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line.push_back(boost::make_tuple(5.5, 6.6));
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std::cout << boost::geometry::length(
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std::make_pair(boost::begin(line), boost::end(line) + -1)
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)
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<< std::endl;
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}
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void example_less()
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{
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typedef boost::tuple<double, double> P;
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std::vector<P> line;
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line.push_back(boost::make_tuple(8.1, 1.9));
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line.push_back(boost::make_tuple(4.2, 7.5));
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line.push_back(boost::make_tuple(2.3, 3.6));
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std::sort(line.begin(), line.end(), boost::geometry::less<P>());
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// Display ordered points
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BOOST_FOREACH(P const& p, line)
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{
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std::cout << boost::geometry::dsv(p) << std::endl;
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}
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}
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int main(void)
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{
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example_distance();
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example_length1();
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example_length2();
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example_less();
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return 0;
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}
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