geometry/test/algorithms/test_envelope.hpp
2010-02-20 15:03:37 +00:00

89 lines
3.3 KiB
C++

// Boost.Geometry (aka GGL, Generic Geometry Library) test file
//
// Copyright Barend Gehrels 2007-2009, Geodan, Amsterdam, the Netherlands
// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_GEOMETRY_TEST_ENVELOPE_HPP
#define BOOST_GEOMETRY_TEST_ENVELOPE_HPP
#include <ggl_test_common.hpp>
#include <boost/geometry/algorithms/envelope.hpp>
#include <boost/geometry/geometries/box.hpp>
#include <boost/geometry/strategies/strategies.hpp>
#include <boost/geometry/extensions/gis/io/wkt/read_wkt.hpp>
template<std::size_t DimensionCount>
struct check_result
{};
template <>
struct check_result<2>
{
template <typename Box, typename T>
static void apply(Box const& b, const T& x1, const T& y1, const T& z1,
const T& x2, const T& y2, const T& z2)
{
BOOST_CHECK_CLOSE(double(boost::geometry::get<boost::geometry::min_corner, 0>(b)), double(x1), 0.001);
BOOST_CHECK_CLOSE(double(boost::geometry::get<boost::geometry::min_corner, 1>(b)), double(y1), 0.001);
BOOST_CHECK_CLOSE(double(boost::geometry::get<boost::geometry::max_corner, 0>(b)), double(x2), 0.001);
BOOST_CHECK_CLOSE(double(boost::geometry::get<boost::geometry::max_corner, 1>(b)), double(y2), 0.001);
}
};
template <>
struct check_result<3>
{
template <typename Box, typename T>
static void apply(Box const& b, const T& x1, const T& y1, const T& z1,
const T& x2, const T& y2, const T& z2)
{
BOOST_CHECK_CLOSE(double(boost::geometry::get<boost::geometry::min_corner, 0>(b)), double(x1), 0.001);
BOOST_CHECK_CLOSE(double(boost::geometry::get<boost::geometry::min_corner, 1>(b)), double(y1), 0.001);
BOOST_CHECK_CLOSE(double(boost::geometry::get<boost::geometry::min_corner, 2>(b)), double(z1), 0.001);
BOOST_CHECK_CLOSE(double(boost::geometry::get<boost::geometry::max_corner, 0>(b)), double(x2), 0.001);
BOOST_CHECK_CLOSE(double(boost::geometry::get<boost::geometry::max_corner, 1>(b)), double(y2), 0.001);
BOOST_CHECK_CLOSE(double(boost::geometry::get<boost::geometry::max_corner, 2>(b)), double(z2), 0.001);
}
};
template <typename Geometry, typename T>
void test_envelope(std::string const& wkt,
const T& x1, const T& x2,
const T& y1, const T& y2,
const T& z1 = 0, const T& z2 = 0)
{
Geometry geometry;
boost::geometry::read_wkt(wkt, geometry);
boost::geometry::box<typename boost::geometry::point_type<Geometry>::type > b;
boost::geometry::envelope(geometry, b);
check_result<boost::geometry::dimension<Geometry>::type::value>::apply(b, x1, y1, z1, x2, y2, z2);
}
template <typename Geometry, typename T>
void test_envelope_strategy(std::string const& wkt,
const T& x1, const T& x2,
const T& y1, const T& y2,
const T& z1 = 0, const T& z2 = 0)
{
Geometry geometry;
boost::geometry::read_wkt(wkt, geometry);
boost::geometry::box<typename boost::geometry::point_type<Geometry>::type > b;
boost::geometry::envelope(geometry, b);
check_result<boost::geometry::dimension<Geometry>::type::value>::apply(b, x1, y1, z1, x2, y2, z2);
}
#endif