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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2014, Oracle and/or its affiliates.
// Licensed under the Boost Software License version 1.0.
// http://www.boost.org/users/license.html
// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
#ifndef BOOST_GEOMETRY_TEST_SET_OPS_PL_PL_HPP
#define BOOST_GEOMETRY_TEST_SET_OPS_PL_PL_HPP
#include <boost/geometry/geometry.hpp>
namespace bg = ::boost::geometry;
#include <from_wkt.hpp>
#include <to_svg.hpp>
#include <algorithm>
#include <fstream>
#include <boost/core/ignore_unused.hpp>
#include <boost/geometry/policies/compare.hpp>
#include <boost/geometry/algorithms/equals.hpp>
#include <boost/geometry/algorithms/union.hpp>
#include <boost/geometry/algorithms/difference.hpp>
#include <boost/geometry/algorithms/intersection.hpp>
#include <boost/geometry/algorithms/sym_difference.hpp>
#include <boost/geometry/algorithms/detail/overlay/overlay_type.hpp>
//==================================================================
//==================================================================
// svg output
//==================================================================
//==================================================================
template <typename Output, typename G1, typename G2>
void set_operation_output(std::string const& set_op_id,
std::string const& caseid,
G1 const& g1, G2 const& g2,
Output const& output)
{
boost::ignore_unused(set_op_id, caseid, g1, g2, output);
#if defined(TEST_WITH_SVG)
typedef typename bg::coordinate_type<G1>::type coordinate_type;
typedef typename bg::point_type<G1>::type point_type;
std::ostringstream filename;
filename << "svgs/" << set_op_id << "_" << caseid << ".svg";
std::ofstream svg(filename.str().c_str());
bg::svg_mapper<point_type> mapper(svg, 500, 500);
mapper.add(g1);
mapper.add(g2);
mapper.map(g2, "stroke-opacity:1;stroke:rgb(153,204,0);stroke-width:4");
mapper.map(g1, "stroke-opacity:1;stroke:rgb(51,51,153);stroke-width:2");
BOOST_AUTO_TPL(it, output.begin());
for (; it != output.end(); ++it)
{
mapper.map(*it,
"fill:rgb(255,0,255);stroke:rgb(0,0,0);stroke-width:1",
4);
}
#endif
}
//==================================================================
//==================================================================
// testing equality of multi-points
//==================================================================
//==================================================================
struct equals
{
template <typename MultiPoint1, typename MultiPoint2>
static inline bool apply(MultiPoint1 const& multipoint1,
MultiPoint2 const& multipoint2)
{
MultiPoint1 mp1(multipoint1);
MultiPoint2 mp2(multipoint2);
std::sort(mp1.begin(), mp1.end(),
bg::less<typename bg::point_type<MultiPoint1>::type>());
std::sort(mp2.begin(), mp2.end(),
bg::less<typename bg::point_type<MultiPoint2>::type>());
if ( boost::size(mp1) != boost::size(mp2) )
{
return false;
}
BOOST_AUTO_TPL(it1, boost::begin(mp1));
BOOST_AUTO_TPL(it2, boost::begin(mp2));
for (; it1 != boost::end(mp1); ++it1, ++it2)
{
if ( !bg::equals(*it1, *it2) )
{
return false;
}
}
return true;
}
};
//==================================================================
//==================================================================
// struct for calling the appropriate set op function
//==================================================================
//==================================================================
template <bg::overlay_type OverlayType> struct set_op;
template<>
struct set_op<bg::overlay_difference>
{
static inline std::string name() { return "difference"; }
template <typename Geometry1, typename Geometry2, typename GeometryOut>
static inline void apply(Geometry1 const& g1,
Geometry2 const& g2,
GeometryOut& gout)
{
bg::difference(g1, g2, gout);
}
};
template<>
struct set_op<bg::overlay_union>
{
static inline std::string name() { return "union"; }
template <typename Geometry1, typename Geometry2, typename GeometryOut>
static inline void apply(Geometry1 const& g1,
Geometry2 const& g2,
GeometryOut& gout)
{
bg::union_(g1, g2, gout);
}
};
template<>
struct set_op<bg::overlay_intersection>
{
static inline std::string name() { return "intersection"; }
template <typename Geometry1, typename Geometry2, typename GeometryOut>
static inline void apply(Geometry1 const& g1,
Geometry2 const& g2,
GeometryOut& gout)
{
bg::intersection(g1, g2, gout);
}
};
//==================================================================
//==================================================================
// test the set operation of (point-like) geometries
//==================================================================
//==================================================================
template
<
typename Geometry1,
typename Geometry2,
typename MultiPoint,
bg::overlay_type OverlayType
>
class test_set_op_of_pointlike_geometries
{
private:
template <typename G1, typename G2, typename MP>
static inline void base_test(G1 const& geometry1,
G2 const& geometry2,
MP const& mp_expected,
std::string const& case_id)
{
MultiPoint mp_output;
set_op<OverlayType>::apply(geometry1, geometry2, mp_output);
std::string op_name = set_op<OverlayType>::name();
BOOST_CHECK_MESSAGE( equals::apply(mp_expected, mp_output),
op_name << " P/P: " << bg::wkt(geometry1)
<< " " << bg::wkt(geometry2)
<< " -> Expected: " << bg::wkt(mp_expected)
<< " computed: " << bg::wkt(mp_output) );
set_operation_output(op_name, case_id,
geometry1, geometry2, mp_output);
#ifdef BOOST_GEOMETRY_TEST_DEBUG
std::cout << "Geometry #1: " << bg::wkt(geometry1) << std::endl;
std::cout << "Geometry #2: " << bg::wkt(geometry2) << std::endl;
std::cout << "expected " << op_name << " : "
<< bg::wkt(mp_expected) << std::endl;
std::cout << op_name << " : " << bg::wkt(mp_output) << std::endl;
std::cout << std::endl;
std::cout << "************************************" << std::endl;
std::cout << std::endl;
std::cout << std::endl;
#endif
}
public:
static inline void apply(Geometry1 const& geometry1,
Geometry2 const& geometry2,
MultiPoint const& mp_expected12,
MultiPoint const& mp_expected21,
std::string const& case_id)
{
#ifdef BOOST_GEOMETRY_TEST_DEBUG
std::cout << "test case: " << case_id << std::endl;
#endif
base_test(geometry1, geometry2, mp_expected12, case_id);
base_test(geometry2, geometry1, mp_expected21, case_id);
#ifdef BOOST_GEOMETRY_TEST_DEBUG
std::cout << std::endl;
std::cout << std::endl;
#endif
}
static inline void apply(Geometry1 const& geometry1,
Geometry2 const& geometry2,
MultiPoint const& mp_expected,
std::string const& case_id)
{
apply(geometry1, geometry2, mp_expected, mp_expected, case_id);
}
};
#endif // BOOST_GEOMETRY_TEST_SET_OPS_PL_PL_HPP
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