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#include <tut/tut.hpp>
// geos
#include <geos/geom/Geometry.h>
#include <geos/io/WKTReader.h>
#include <geos/algorithm/BoundaryNodeRule.h>
#include <geos/operation/BoundaryOp.h>
// std
#include <string>
#include <memory>
using namespace geos::algorithm;
using namespace geos::geom;
using geos::operation::BoundaryOp;
namespace tut {
//----------------------------------------------
// Test Group
//----------------------------------------------
struct test_boundaryop_data {
geos::io::WKTReader wktreader;
void runBoundaryTest(const std::string& wkt, const BoundaryNodeRule& bnRule, const std::string& wktExpected)
{
auto g = wktreader.read(wkt);
auto expected = wktreader.read(wktExpected);
BoundaryOp op(*g, bnRule);
auto boundary = op.getBoundary();
ensure(boundary->equals(expected.get()));
}
void checkHasBoundary(const std::string& wkt)
{
checkHasBoundary(wkt, BoundaryNodeRule::getBoundaryRuleMod2(), true);
}
void checkHasBoundary(const std::string& wkt, bool expected)
{
checkHasBoundary(wkt, BoundaryNodeRule::getBoundaryRuleMod2(), expected);
}
void checkHasBoundary(const std::string& wkt, const BoundaryNodeRule& bnRule, bool expected)
{
auto g = wktreader.read(wkt);
ensure_equals(expected, BoundaryOp::hasBoundary(*g, bnRule));
}
};
typedef test_group<test_boundaryop_data> group;
typedef group::object object;
group test_boundaryop_group("geos::operation::BoundaryOp");
// test1
template<>
template<>
void object::test<1>()
{
std::string a = "MULTILINESTRING ((0 0, 10 10), (10 10, 20 20))";
// under MultiValent, the common point is the only point on the boundary
runBoundaryTest(a, BoundaryNodeRule::getBoundaryMultivalentEndPoint(),
"POINT (10 10)" );
}
// test2LinesTouchAtEndpoint2
template<>
template<>
void object::test<2>()
{
std::string a = "MULTILINESTRING ((0 0, 10 10), (10 10, 20 20))";
// under Mod-2, the common point is not on the boundary
runBoundaryTest(a, BoundaryNodeRule::getBoundaryRuleMod2(),
"MULTIPOINT ((0 0), (20 20))" );
// under Endpoint, the common point is on the boundary
runBoundaryTest(a, BoundaryNodeRule::getBoundaryEndPoint(),
"MULTIPOINT ((0 0), (10 10), (20 20))" );
// under MonoValent, the common point is not on the boundary
runBoundaryTest(a, BoundaryNodeRule::getBoundaryMonovalentEndPoint(),
"MULTIPOINT ((0 0), (20 20))" );
// under MultiValent, the common point is the only point on the boundary
runBoundaryTest(a, BoundaryNodeRule::getBoundaryMultivalentEndPoint(),
"POINT (10 10)" );
}
// test3LinesTouchAtEndpoint2
template<>
template<>
void object::test<3>()
{
std::string a = "MULTILINESTRING ((0 0, 10 10), (10 10, 20 20), (10 10, 10 20))";
// under Mod-2, the common point is on the boundary (3 mod 2 = 1)
runBoundaryTest(a, BoundaryNodeRule::getBoundaryRuleMod2(),
"MULTIPOINT ((0 0), (10 10), (10 20), (20 20))" );
// under Endpoint, the common point is on the boundary (it is an endpoint)
runBoundaryTest(a, BoundaryNodeRule::getBoundaryEndPoint(),
"MULTIPOINT ((0 0), (10 10), (10 20), (20 20))" );
// under MonoValent, the common point is not on the boundary (it has valence > 1)
runBoundaryTest(a, BoundaryNodeRule::getBoundaryMonovalentEndPoint(),
"MULTIPOINT ((0 0), (10 20), (20 20))" );
// under MultiValent, the common point is the only point on the boundary
runBoundaryTest(a, BoundaryNodeRule::getBoundaryMultivalentEndPoint(),
"POINT (10 10)" );
}
// testMultiLinestd::stringWithRingTouchAtEndpoint
template<>
template<>
void object::test<4>()
{
std::string a = "MULTILINESTRING ((100 100, 20 20, 200 20, 100 100), (100 200, 100 100))";
// under Mod-2, the ring has no boundary, so the line intersects the interior ==> not simple
runBoundaryTest(a, BoundaryNodeRule::getBoundaryRuleMod2(),
"MULTIPOINT ((100 100), (100 200))" );
// under Endpoint, the ring has a boundary point, so the line does NOT intersect the interior ==> simple
runBoundaryTest(a, BoundaryNodeRule::getBoundaryEndPoint(),
"MULTIPOINT ((100 100), (100 200))" );
}
// testRing
template<>
template<>
void object::test<5>()
{
std::string a = "LINESTRING (100 100, 20 20, 200 20, 100 100)";
// rings are simple under all rules
runBoundaryTest(a, BoundaryNodeRule::getBoundaryRuleMod2(),
"MULTIPOINT EMPTY");
runBoundaryTest(a, BoundaryNodeRule::getBoundaryEndPoint(),
"POINT (100 100)" );
}
// testHasBoundaryPoint
template<>
template<>
void object::test<6>()
{
checkHasBoundary( "POINT (0 0)", false);
}
// testHasBoundaryPointEmpty
template<>
template<>
void object::test<7>()
{
checkHasBoundary( "POINT EMPTY", false);
}
// testHasBoundaryRingClosed
template<>
template<>
void object::test<8>()
{
checkHasBoundary( "LINESTRING (100 100, 20 20, 200 20, 100 100)", false);
}
// testHasBoundaryMultiLinestd::stringClosed
template<>
template<>
void object::test<9>()
{
checkHasBoundary( "MULTILINESTRING ((0 0, 0 1), (0 1, 1 1, 1 0, 0 0))", false);
}
// testHasBoundaryMultiLinestd::stringOpen
template<>
template<>
void object::test<10>()
{
checkHasBoundary( "MULTILINESTRING ((0 0, 0 2), (0 1, 1 1, 1 0, 0 0))");
}
// testHasBoundaryPolygon
template<>
template<>
void object::test<11>()
{
checkHasBoundary( "POLYGON ((1 9, 9 9, 9 1, 1 1, 1 9))");
}
// testHasBoundaryPolygonEmpty
template<>
template<>
void object::test<12>()
{
checkHasBoundary( "POLYGON EMPTY", false);
}
}
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