Merge pull request #169 from mkaravel/feature/distance

[test][distance] add unit test for distance of pointlike-pointlike geometries
This commit is contained in:
Adam Wulkiewicz
2014-10-27 21:18:16 +01:00
3 changed files with 804 additions and 0 deletions

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@@ -38,6 +38,7 @@ test-suite boost-geometry-algorithms
[ run distance_pointlike_areal.cpp ]
[ run distance_pointlike_linear.cpp ]
[ run distance_pointlike_pointlike.cpp ]
[ run distance_se_pl_pl.cpp ]
[ run envelope.cpp : : : <toolset>msvc:<cxxflags>/bigobj ]
[ run equals.cpp : : : <toolset>msvc:<cxxflags>/bigobj ]
[ run expand.cpp ]

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@@ -0,0 +1,229 @@
// Boost.Geometry (aka GGL, Generic Geometry Library)
// Unit Test
// Copyright (c) 2014, Oracle and/or its affiliates.
// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
// Licensed under the Boost Software License version 1.0.
// http://www.boost.org/users/license.html
#include <iostream>
#ifndef BOOST_TEST_MODULE
#define BOOST_TEST_MODULE test_distance_spherical_equatorial_pl_pl
#endif
#include <boost/range.hpp>
#include <boost/test/included/unit_test.hpp>
#include <boost/geometry/strategies/strategies.hpp>
#include "test_distance_se_common.hpp"
typedef bg::cs::spherical_equatorial<bg::degree> cs_type;
typedef bg::model::point<double, 2, cs_type> point_type;
typedef bg::model::multi_point<point_type> multi_point_type;
namespace services = bg::strategy::distance::services;
typedef bg::default_distance_result<point_type>::type return_type;
typedef bg::strategy::distance::haversine<double> point_point_strategy;
//===========================================================================
inline bg::default_distance_result<point_type>::type
distance_from_wkt(std::string const& wkt1, std::string const& wkt2)
{
point_type p1, p2;
bg::read_wkt(wkt1, p1);
bg::read_wkt(wkt2, p2);
return bg::distance(p1, p2);
}
inline bg::default_comparable_distance_result<point_type>::type
comparable_distance_from_wkt(std::string const& wkt1, std::string const& wkt2)
{
point_type p1, p2;
bg::read_wkt(wkt1, p1);
bg::read_wkt(wkt2, p2);
return bg::comparable_distance(p1, p2);
}
//===========================================================================
template <typename Strategy>
void test_distance_point_point(Strategy const& strategy)
{
#ifdef BOOST_GEOMETRY_TEST_DEBUG
std::cout << std::endl;
std::cout << "point/point distance tests" << std::endl;
#endif
typedef test_distance_of_geometries<point_type, point_type> tester;
tester::apply("POINT(10 10)",
"POINT(0 0)",
0.24619691677893202,
0.0150768448035229,
strategy);
tester::apply("POINT(10 10)",
"POINT(10 10)",
0, 0, strategy);
// antipodal points
tester::apply("POINT(0 10)",
"POINT(180 -10)",
180.0 * bg::math::d2r, 1.0, strategy);
}
//===========================================================================
template <typename Strategy>
void test_distance_point_multipoint(Strategy const& strategy)
{
#ifdef BOOST_GEOMETRY_TEST_DEBUG
std::cout << std::endl;
std::cout << "point/multipoint distance tests" << std::endl;
#endif
typedef test_distance_of_geometries<point_type, multi_point_type> tester;
tester::apply("POINT(10 10)",
"MULTIPOINT(10 10,20 10,20 20,10 20)",
0, 0, strategy);
tester::apply("POINT(10 10)",
"MULTIPOINT(20 20,20 30,30 20,30 30)",
distance_from_wkt("POINT(10 10)", "POINT(20 20)"),
comparable_distance_from_wkt("POINT(10 10)", "POINT(20 20)"),
strategy);
tester::apply("POINT(3 0)",
"MULTIPOINT(20 20,20 40,40 20,40 40)",
distance_from_wkt("POINT(3 0)", "POINT(20 20)"),
comparable_distance_from_wkt("POINT(3 0)", "POINT(20 20)"),
strategy);
// almost antipodal points
tester::apply("POINT(179 2)",
"MULTIPOINT(3 3,4 3,4 4,3 4)",
distance_from_wkt("POINT(179 2)", "POINT(4 4)"),
comparable_distance_from_wkt("POINT(179 2)", "POINT(4 4)"),
strategy);
// minimum distance across the dateline
tester::apply("POINT(355 5)",
"MULTIPOINT(10 10,20 10,20 20,10 20)",
distance_from_wkt("POINT(355 5)", "POINT(10 10)"),
comparable_distance_from_wkt("POINT(355 5)", "POINT(10 10)"),
strategy);
}
//===========================================================================
template <typename Strategy>
void test_distance_multipoint_multipoint(Strategy const& strategy)
{
#ifdef BOOST_GEOMETRY_TEST_DEBUG
std::cout << std::endl;
std::cout << "multipoint/multipoint distance tests" << std::endl;
#endif
typedef test_distance_of_geometries
<
multi_point_type, multi_point_type
> tester;
tester::apply("MULTIPOINT(10 10,11 10,10 11,11 11)",
"MULTIPOINT(11 11,12 11,12 12,11 12)",
0, 0, strategy);
tester::apply("MULTIPOINT(10 10,11 10,10 11,11 11)",
"MULTIPOINT(12 12,12 13,13 12,13 13)",
distance_from_wkt("POINT(11 11)", "POINT(12 12)"),
comparable_distance_from_wkt("POINT(11 11)", "POINT(12 12)"),
strategy);
// example with many points in each multi-point so that the r-tree
// does some splitting.
tester::apply("MULTIPOINT(1 1,1 2,1 3,1 4,1 5,1 6,1 7,1 8,1 9,1 10,\
2 1,2 2,2 3,2 4,2 5,2 6,2 7,2 8,2 9,2 10,\
3 1,3 2,3 3,3 4,3 5,3 6,3 7,3 8,3 9,3 10,\
10 1,10 10)",
"MULTIPOINT(11 11,11 12,11 13,11 14,11 15,\
11 16,11 17,11 18,11 19,11 20,\
12 11,12 12,12 13,12 24,12 15,\
12 16,12 17,12 18,12 29,12 20,\
13 11,13 12,13 13,13 24,13 15,\
13 16,13 17,13 18,13 29,13 20,\
20 11,20 20)",
distance_from_wkt("POINT(10 10)", "POINT(11 11)"),
comparable_distance_from_wkt("POINT(10 10)", "POINT(11 11)"),
strategy);
}
//===========================================================================
template <typename Point, typename Strategy>
void test_more_empty_input_pointlike_pointlike(Strategy const& strategy)
{
#ifdef BOOST_GEOMETRY_TEST_DEBUG
std::cout << std::endl;
std::cout << "testing on empty inputs... " << std::flush;
#endif
bg::model::multi_point<Point> multipoint_empty;
Point point = from_wkt<Point>("POINT(0 0)");
// 1st geometry is empty
test_empty_input(multipoint_empty, point, strategy);
// 2nd geometry is empty
test_empty_input(point, multipoint_empty, strategy);
// both geometries are empty
test_empty_input(multipoint_empty, multipoint_empty, strategy);
#ifdef BOOST_GEOMETRY_TEST_DEBUG
std::cout << "done!" << std::endl;
#endif
}
//===========================================================================
BOOST_AUTO_TEST_CASE( test_all_point_point )
{
test_distance_point_point(point_point_strategy());
test_distance_point_point(point_point_strategy(earth_radius_km));
test_distance_point_point(point_point_strategy(earth_radius_miles));
}
BOOST_AUTO_TEST_CASE( test_all_point_multipoint )
{
test_distance_point_multipoint(point_point_strategy());
test_distance_point_multipoint(point_point_strategy(earth_radius_km));
test_distance_point_multipoint(point_point_strategy(earth_radius_miles));
}
BOOST_AUTO_TEST_CASE( test_all_multipoint_multipoint )
{
test_distance_multipoint_multipoint(point_point_strategy());
test_distance_multipoint_multipoint(point_point_strategy(earth_radius_km));
test_distance_multipoint_multipoint(point_point_strategy(earth_radius_miles));
}
BOOST_AUTO_TEST_CASE( test_all_empty_input_pointlike_pointlike )
{
test_more_empty_input_pointlike_pointlike
<
point_type
>(point_point_strategy());
test_more_empty_input_pointlike_pointlike
<
point_type
>(point_point_strategy(earth_radius_km));
test_more_empty_input_pointlike_pointlike
<
point_type
>(point_point_strategy(earth_radius_miles));
}

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@@ -0,0 +1,574 @@
// Boost.Geometry (aka GGL, Generic Geometry Library)
// Unit Test
// Copyright (c) 2014, Oracle and/or its affiliates.
// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
// Licensed under the Boost Software License version 1.0.
// http://www.boost.org/users/license.html
#ifndef BOOST_GEOMETRY_TEST_DISTANCE_SE_COMMON_HPP
#define BOOST_GEOMETRY_TEST_DISTANCE_SE_COMMON_HPP
#include <iostream>
#include <string>
#include <boost/mpl/assert.hpp>
#include <boost/type_traits/is_integral.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/geometry/geometries/point.hpp>
#include <boost/geometry/geometries/point_xy.hpp>
#include <boost/geometry/geometries/segment.hpp>
#include <boost/geometry/geometries/linestring.hpp>
#include <boost/geometry/geometries/polygon.hpp>
#include <boost/geometry/geometries/ring.hpp>
#include <boost/geometry/geometries/box.hpp>
#include <boost/geometry/multi/geometries/multi_point.hpp>
#include <boost/geometry/multi/geometries/multi_linestring.hpp>
#include <boost/geometry/multi/geometries/multi_polygon.hpp>
#include <boost/geometry/io/wkt/write.hpp>
#include <boost/geometry/multi/io/wkt/write.hpp>
#include <boost/geometry/io/dsv/write.hpp>
#include <boost/geometry/multi/io/dsv/write.hpp>
#include <boost/geometry/algorithms/num_interior_rings.hpp>
#include <boost/geometry/algorithms/distance.hpp>
#include <boost/geometry/algorithms/comparable_distance.hpp>
#include "from_wkt.hpp"
#include <string_from_type.hpp>
#ifndef BOOST_GEOMETRY_TEST_DISTANCE_HPP
namespace bg = ::boost::geometry;
static const double earth_radius_km = 6371.0;
static const double earth_radius_miles = 3959.0;
// function copied from BG's test_distance.hpp
template <typename Geometry1, typename Geometry2>
void test_empty_input(Geometry1 const& geometry1, Geometry2 const& geometry2)
{
try
{
bg::distance(geometry1, geometry2);
}
catch(bg::empty_input_exception const& )
{
return;
}
BOOST_CHECK_MESSAGE(false, "A empty_input_exception should have been thrown" );
}
#endif // BOOST_GEOMETRY_TEST_DISTANCE_HPP
//========================================================================
template
<
typename PointLike1,
typename PointLike2,
typename Strategy,
typename Tag1 = typename bg::tag<PointLike1>::type,
typename Tag2 = typename bg::tag<PointLike2>::type
>
struct distance_brute_force
{};
template
<
typename PointLike1,
typename PointLike2,
typename Strategy
>
struct distance_brute_force
<
PointLike1, PointLike2, Strategy,
bg::point_tag, bg::point_tag
>
{
typedef typename bg::distance_result
<
PointLike1, PointLike2, Strategy
>::type distance_type;
static inline distance_type apply(PointLike1 const& p1,
PointLike2 const& p2,
Strategy const& strategy)
{
return bg::distance(p1, p2, strategy);
}
};
template
<
typename PointLike1,
typename PointLike2,
typename Strategy
>
struct distance_brute_force
<
PointLike1, PointLike2, Strategy,
bg::point_tag, bg::multi_point_tag
>
{
typedef typename bg::distance_result
<
PointLike1, PointLike2, Strategy
>::type distance_type;
static inline distance_type apply(PointLike1 const& p,
PointLike2 const& mp,
Strategy const& strategy)
{
typedef typename boost::range_iterator<PointLike2 const>::type iterator;
bool first = true;
distance_type d_min;
for (iterator it = boost::begin(mp); it != boost::end(mp);
++it, first = false)
{
distance_type d = bg::distance(p, *it, strategy);
if ( first || d < d_min )
{
d_min = d;
}
}
return d_min;
}
};
template
<
typename PointLike1,
typename PointLike2,
typename Strategy
>
struct distance_brute_force
<
PointLike1, PointLike2, Strategy,
bg::multi_point_tag, bg::multi_point_tag
>
{
typedef typename bg::distance_result
<
PointLike1, PointLike2, Strategy
>::type distance_type;
static inline distance_type apply(PointLike1 const& mp1,
PointLike2 const& mp2,
Strategy const& strategy)
{
typedef typename boost::range_iterator
<
PointLike1 const
>::type iterator1;
typedef typename boost::range_iterator
<
PointLike2 const
>::type iterator2;
bool first = true;
distance_type d_min;
for (iterator1 it1 = boost::begin(mp1); it1 != boost::end(mp1); ++it1)
{
for (iterator2 it2 = boost::begin(mp2); it2 != boost::end(mp2);
++it2, first = false)
{
distance_type d = bg::distance(*it1, *it2, strategy);
if ( first || d < d_min )
{
d_min = d;
}
}
}
return d_min;
}
};
//========================================================================
#ifdef BOOST_GEOMETRY_TEST_DEBUG
// pretty print geometry -- START
template <typename Geometry, typename GeometryTag>
struct pretty_print_geometry_dispatch
{
template <typename Stream>
static inline Stream& apply(Geometry const& geometry, Stream& os)
{
os << bg::wkt(geometry);
return os;
}
};
template <typename Geometry>
struct pretty_print_geometry_dispatch<Geometry, bg::segment_tag>
{
template <typename Stream>
static inline Stream& apply(Geometry const& geometry, Stream& os)
{
os << "SEGMENT" << bg::dsv(geometry);
return os;
}
};
template <typename Geometry>
struct pretty_print_geometry_dispatch<Geometry, bg::box_tag>
{
template <typename Stream>
static inline Stream& apply(Geometry const& geometry, Stream& os)
{
os << "BOX" << bg::dsv(geometry);
return os;
}
};
template <typename Geometry>
struct pretty_print_geometry
{
template <typename Stream>
static inline Stream& apply(Geometry const& geometry, Stream& os)
{
return pretty_print_geometry_dispatch
<
Geometry, typename bg::tag<Geometry>::type
>::apply(geometry, os);
}
};
// pretty print geometry -- END
#endif // BOOST_GEOMETRY_TEST_DEBUG
//========================================================================
template <typename T>
struct check_equal
{
static inline void apply(T const& value1, T const& value2)
{
BOOST_CHECK( value1 == value2 );
}
};
template <>
struct check_equal<double>
{
static inline void apply(double value1, double value2)
{
BOOST_CHECK_CLOSE( value1, value2, 0.0001 );
}
};
//========================================================================
template
<
typename Geometry1, typename Geometry2,
int id1 = bg::geometry_id<Geometry1>::value,
int id2 = bg::geometry_id<Geometry2>::value
>
struct test_distance_of_geometries
: public test_distance_of_geometries<Geometry1, Geometry2, 0, 0>
{};
template <typename Geometry1, typename Geometry2>
struct test_distance_of_geometries<Geometry1, Geometry2, 0, 0>
{
template
<
typename DistanceType,
typename ComparableDistanceType,
typename Strategy
>
static inline
void apply(std::string const& wkt1,
std::string const& wkt2,
DistanceType const& expected_distance,
ComparableDistanceType const& expected_comparable_distance,
Strategy const& strategy,
bool test_reversed = true)
{
Geometry1 geometry1 = from_wkt<Geometry1>(wkt1);
Geometry2 geometry2 = from_wkt<Geometry2>(wkt2);
apply(geometry1, geometry2,
expected_distance, expected_comparable_distance,
strategy, test_reversed);
}
template
<
typename DistanceType,
typename ComparableDistanceType,
typename Strategy
>
static inline
void apply(Geometry1 const& geometry1,
Geometry2 const& geometry2,
DistanceType const& expected_distance,
ComparableDistanceType const& expected_comparable_distance,
Strategy const& strategy,
bool test_reversed = true)
{
#ifdef BOOST_GEOMETRY_TEST_DEBUG
typedef pretty_print_geometry<Geometry1> PPG1;
typedef pretty_print_geometry<Geometry2> PPG2;
PPG1::apply(geometry1, std::cout);
std::cout << " - ";
PPG2::apply(geometry2, std::cout);
std::cout << std::endl;
#endif
typedef typename bg::default_distance_result
<
Geometry1, Geometry2
>::type default_distance_result;
typedef typename bg::strategy::distance::services::return_type
<
Strategy, Geometry1, Geometry2
>::type distance_result_from_strategy;
static const bool same_regular = boost::is_same
<
default_distance_result,
distance_result_from_strategy
>::type::value;
BOOST_CHECK( same_regular );
typedef typename bg::default_comparable_distance_result
<
Geometry1, Geometry2
>::type default_comparable_distance_result;
typedef typename bg::strategy::distance::services::return_type
<
typename bg::strategy::distance::services::comparable_type
<
Strategy
>::type,
Geometry1,
Geometry2
>::type comparable_distance_result_from_strategy;
static const bool same_comparable = boost::is_same
<
default_comparable_distance_result,
comparable_distance_result_from_strategy
>::type::value;
BOOST_CHECK( same_comparable );
// check distance with default strategy
default_distance_result dist_def = bg::distance(geometry1, geometry2);
check_equal
<
default_distance_result
>::apply(dist_def, expected_distance);
// check distance with passed strategy
distance_result_from_strategy dist =
bg::distance(geometry1, geometry2, strategy);
check_equal
<
default_distance_result
>::apply(dist, expected_distance * strategy.radius());
// check against the comparable distance computed in a
// brute-force manner
default_distance_result dist_brute_force = distance_brute_force
<
Geometry1, Geometry2, Strategy
>::apply(geometry1, geometry2, strategy);
check_equal
<
default_distance_result
>::apply(dist_brute_force, expected_distance * strategy.radius());
// check comparable distance with default strategy
default_comparable_distance_result cdist_def =
bg::comparable_distance(geometry1, geometry2);
check_equal
<
default_comparable_distance_result
>::apply(cdist_def, expected_comparable_distance);
// check comparable distance with passed strategy
comparable_distance_result_from_strategy cdist =
bg::comparable_distance(geometry1, geometry2, strategy);
check_equal
<
default_comparable_distance_result
>::apply(cdist, expected_comparable_distance);
// check against the comparable distance computed in a
// brute-force manner
default_comparable_distance_result cdist_brute_force
= distance_brute_force
<
Geometry1,
Geometry2,
typename bg::strategy::distance::services::comparable_type
<
Strategy
>::type
>::apply(geometry1,
geometry2,
bg::strategy::distance::services::get_comparable
<
Strategy
>::apply(strategy));
check_equal
<
default_comparable_distance_result
>::apply(cdist_brute_force, expected_comparable_distance);
#ifdef BOOST_GEOMETRY_TEST_DEBUG
std::cout << string_from_type<typename bg::coordinate_type<Geometry1>::type>::name()
<< string_from_type<typename bg::coordinate_type<Geometry2>::type>::name()
<< " -> "
<< string_from_type<default_distance_result>::name()
<< string_from_type<default_comparable_distance_result>::name()
<< std::endl;
std::cout << "expected distance (default strategy) = "
<< expected_distance << " ; "
<< "expected distance (passed strategy) = "
<< (expected_distance * strategy.radius()) << " ; "
<< "expected comp. distance = "
<< expected_comparable_distance
<< std::endl;
std::cout << "distance (default strategy) = " << dist_def << " ; "
<< "distance (passed strategy) = " << dist << " ; "
<< "comp. distance (default strategy) = "
<< cdist_def << " ; "
<< "comp. distance (passed strategy) = "
<< cdist << std::endl;
if ( !test_reversed )
{
std::cout << std::endl;
}
#endif
if ( test_reversed )
{
// check distance with default strategy
dist_def = bg::distance(geometry2, geometry1);
check_equal
<
default_distance_result
>::apply(dist_def, expected_distance);
// check distance with given strategy
dist = bg::distance(geometry2, geometry1, strategy);
check_equal
<
default_distance_result
>::apply(dist, expected_distance * strategy.radius());
// check comparable distance with default strategy
cdist_def = bg::comparable_distance(geometry2, geometry1);
check_equal
<
default_comparable_distance_result
>::apply(cdist_def, expected_comparable_distance);
// check comparable distance with given strategy
cdist = bg::comparable_distance(geometry2, geometry1, strategy);
check_equal
<
default_comparable_distance_result
>::apply(cdist, expected_comparable_distance);
#ifdef BOOST_GEOMETRY_TEST_DEBUG
std::cout << "expected distance (default strategy) = "
<< expected_distance << " ; "
<< "expected distance (passed strategy) = "
<< (expected_distance * strategy.radius()) << " ; "
<< "expected comp. distance = "
<< expected_comparable_distance
<< std::endl;
std::cout << "distance[reversed args] (def. startegy) = "
<< dist_def << " ; "
<< "distance[reversed args] (passed startegy) = "
<< dist << " ; "
<< "comp. distance[reversed args] (def. strategy) = "
<< cdist_def << " ; "
<< "comp. distance[reversed args] (passed strategy) = "
<< cdist << std::endl;
std::cout << std::endl;
#endif
}
}
};
//========================================================================
template <typename Geometry1, typename Geometry2, typename Strategy>
void test_empty_input(Geometry1 const& geometry1,
Geometry2 const& geometry2,
Strategy const& strategy)
{
try
{
bg::distance(geometry1, geometry2, strategy);
}
catch(bg::empty_input_exception const& )
{
return;
}
BOOST_CHECK_MESSAGE(false, "A empty_input_exception should have been thrown" );
try
{
bg::distance(geometry2, geometry1, strategy);
}
catch(bg::empty_input_exception const& )
{
return;
}
BOOST_CHECK_MESSAGE(false, "A empty_input_exception should have been thrown" );
}
#endif // BOOST_GEOMETRY_TEST_DISTANCE_SE_COMMON_HPP