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//
// Test Suite for geos::coverage::CoverageRingEdges class.
#include <tut/tut.hpp>
#include <utility.h>
// geos
#include <geos/coverage/CoverageRingEdges.h>
#include <geos/coverage/CoverageEdge.h>
using geos::coverage::CoverageRingEdges;
using geos::coverage::CoverageEdge;
using geos::geom::MultiLineString;
namespace tut {
//
// Test Group
//
// Common data used by all tests
struct test_coverageringedges_data
{
WKTReader r;
WKTWriter w;
test_coverageringedges_data() {
}
void
checkEdges(const std::string& wkt, const std::string& wktExpected)
{
std::unique_ptr<Geometry> geom = r.read(wkt);
std::vector<const Geometry*> polygons = toArray(*geom);
CoverageRingEdges cov(polygons);
std::vector<CoverageEdge*>& edges = cov.getEdges();
std::unique_ptr<Geometry> edgeLines = toArray(edges, geom->getFactory());
std::unique_ptr<Geometry> expected = r.read(wktExpected);
ensure_equals_geometry(edgeLines.get(), expected.get());
}
void
checkEdgesSelected(const std::string& wkt, std::size_t ringCount, const std::string& wktExpected)
{
std::unique_ptr<Geometry> geom = r.read(wkt);
auto polygons = toArray(*geom);
CoverageRingEdges covEdges(polygons);
auto edges = covEdges.selectEdges(ringCount);
auto edgeLines = toArray(edges, geom->getFactory());
std::unique_ptr<Geometry> expected = r.read(wktExpected);
ensure_equals_geometry(edgeLines.get(), expected.get());
}
std::unique_ptr<Geometry>
toArray(std::vector<CoverageEdge*>& edges, const GeometryFactory* geomFactory)
{
std::vector<std::unique_ptr<LineString>> lines;
for (auto* edge : edges) {
lines.push_back(edge->toLineString(geomFactory));
}
return geomFactory->createMultiLineString(std::move(lines));
}
std::vector<const Geometry*>
toArray(const Geometry& geom)
{
std::vector<const Geometry*> geoms;
for (std::size_t i = 0; i < geom.getNumGeometries(); i++) {
geoms.push_back(geom.getGeometryN(i));
}
return geoms;
}
};
typedef test_group<test_coverageringedges_data> group;
typedef group::object object;
group test_coverageringedges_data("geos::coverage::CoverageRingEdges");
// testTwoAdjacent
template<>
template<>
void object::test<1> ()
{
checkEdges(
"GEOMETRYCOLLECTION (POLYGON ((1 1, 1 6, 6 5, 9 6, 9 1, 1 1)), POLYGON ((1 9, 6 9, 6 5, 1 6, 1 9)))",
"MULTILINESTRING ((1 6, 1 1, 9 1, 9 6, 6 5), (1 6, 1 9, 6 9, 6 5), (1 6, 6 5))"
);
}
// testTwoAdjacentWithFilledHole
template<>
template<>
void object::test<2> ()
{
checkEdges(
"GEOMETRYCOLLECTION (POLYGON ((1 1, 1 6, 6 5, 9 6, 9 1, 1 1), (2 4, 4 4, 4 2, 2 2, 2 4)), POLYGON ((1 9, 6 9, 6 5, 1 6, 1 9)), POLYGON ((4 2, 2 2, 2 4, 4 4, 4 2)))",
"MULTILINESTRING ((1 6, 1 1, 9 1, 9 6, 6 5), (1 6, 1 9, 6 9, 6 5), (1 6, 6 5), (2 4, 2 2, 4 2, 4 4, 2 4))"
);
}
// testHolesAndFillWithDifferentEndpoints
template<>
template<>
void object::test<3> ()
{
checkEdges(
"GEOMETRYCOLLECTION (POLYGON ((0 10, 10 10, 10 0, 0 0, 0 10), (1 9, 4 8, 9 9, 9 1, 1 1, 1 9)), POLYGON ((9 9, 1 1, 1 9, 4 8, 9 9)), POLYGON ((1 1, 9 9, 9 1, 1 1)))",
"MULTILINESTRING ((0 10, 0 0, 10 0, 10 10, 0 10), (1 1, 1 9, 4 8, 9 9), (1 1, 9 1, 9 9), (1 1, 9 9))"
);
}
// testTouchingSquares
template<>
template<>
void object::test<4> ()
{
std::string wkt = "MULTIPOLYGON (((2 7, 2 8, 3 8, 3 7, 2 7)), ((1 6, 1 7, 2 7, 2 6, 1 6)), ((0 7, 0 8, 1 8, 1 7, 0 7)), ((0 5, 0 6, 1 6, 1 5, 0 5)), ((2 5, 2 6, 3 6, 3 5, 2 5)))";
checkEdgesSelected(wkt, 1,
"MULTILINESTRING ((1 6, 0 6, 0 5, 1 5, 1 6), (1 6, 1 7), (1 6, 2 6), (1 7, 0 7, 0 8, 1 8, 1 7), (1 7, 2 7), (2 6, 2 5, 3 5, 3 6, 2 6), (2 6, 2 7), (2 7, 2 8, 3 8, 3 7, 2 7))");
checkEdgesSelected(wkt, 2,
"MULTILINESTRING EMPTY");
}
// testAdjacentSquares
template<>
template<>
void object::test<5> ()
{
std::string wkt = "GEOMETRYCOLLECTION (POLYGON ((1 3, 2 3, 2 2, 1 2, 1 3)), POLYGON ((3 3, 3 2, 2 2, 2 3, 3 3)), POLYGON ((3 1, 2 1, 2 2, 3 2, 3 1)), POLYGON ((1 1, 1 2, 2 2, 2 1, 1 1)))";
checkEdgesSelected(wkt, 1,
"MULTILINESTRING ((1 2, 1 1, 2 1), (1 2, 1 3, 2 3), (2 1, 3 1, 3 2), (2 3, 3 3, 3 2))");
checkEdgesSelected(wkt, 2,
"MULTILINESTRING ((1 2, 2 2), (2 1, 2 2), (2 2, 2 3), (2 2, 3 2))");
}
// testMultiPolygons
template<>
template<>
void object::test<6> ()
{
checkEdges(
"GEOMETRYCOLLECTION (MULTIPOLYGON (((5 9, 2.5 7.5, 1 5, 5 5, 5 9)), ((5 5, 9 5, 7.5 2.5, 5 1, 5 5))), MULTIPOLYGON (((5 9, 6.5 6.5, 9 5, 5 5, 5 9)), ((1 5, 5 5, 5 1, 3.5 3.5, 1 5))))",
"MULTILINESTRING ((1 5, 2.5 7.5, 5 9), (1 5, 3.5 3.5, 5 1), (1 5, 5 5), (5 1, 5 5), (5 1, 7.5 2.5, 9 5), (5 5, 5 9), (5 5, 9 5), (5 9, 6.5 6.5, 9 5))"
);
}
} // namespace tut
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