void runIndicesOfThenExtract(string const& inputStr, string const& subLineStr)
{
GeomPtr input(reader.read(inputStr));
GeomPtr subLine(reader.read(subLineStr));
GeomPtr result(indicesOfThenExtract(input.get(), subLine.get()));
checkExpected(result.get(), subLine.get());
}
void runIndexOfAfterTest(string const& inputStr, string const& testPtWKT)
{
GeomPtr input(reader.read(inputStr));
GeomPtr testPoint(reader.read(testPtWKT));
const Coordinate* testPt = testPoint->getCoordinate();
bool resultOK = indexOfAfterCheck(input.get(), *testPt);
ensure(resultOK);
}
void runOffsetTest(string const& inputWKT, string const& testPtWKT,
double offsetDistance, string const& expectedPtWKT)
{
GeomPtr input(reader.read(inputWKT));
GeomPtr testPoint(reader.read(testPtWKT));
GeomPtr expectedPoint(reader.read(expectedPtWKT));
const Coordinate* testPt = testPoint->getCoordinate();
const Coordinate* expectedPt = expectedPoint->getCoordinate();
Coordinate offsetPt = extractOffsetAt(input.get(), *testPt, offsetDistance);
bool isOk = offsetPt.distance(*expectedPt) < TOLERANCE_DIST;
if (! isOk)
cout << "Expected = " << *expectedPoint << " Actual = " << offsetPt << endl;
ensure(isOk);
}
void testInputOutput(const std::string& WKT,
const std::string& ndrWKB,
const std::string& xdrWKB)
{
GeomPtr gWKT(wktreader.read(WKT));
// NDR input
std::stringstream ndr_in(ndrWKB);
GeomPtr gWKB_ndr(wkbreader.readHEX(ndr_in));
ensure("NDR input",
gWKB_ndr->equalsExact(gWKT.get()) );
// XDR input
std::stringstream xdr_in(xdrWKB);
GeomPtr gWKB_xdr(wkbreader.readHEX(xdr_in));
ensure("XDR input",
gWKB_xdr->equalsExact(gWKT.get()) );
// Compare geoms read from NDR and XDR
ensure( gWKB_xdr->equalsExact(gWKB_ndr.get()) );
// NDR output
std::stringstream ndr_out;
ndrwkbwriter.writeHEX(*gWKT, ndr_out);
ensure_equals("NDR output",
ndr_out.str(), ndr_in.str());
// XDR output
std::stringstream xdr_out;
xdrwkbwriter.writeHEX(*gWKT, xdr_out);
ensure_equals("XDR output",
xdr_out.str(), xdr_in.str());
}
void checkExtractLine(const char* wkt, double start, double end, const char* expected)
{
string wktstr(wkt);
GeomPtr linearGeom(reader.read(wktstr));
LengthIndexedLine indexedLine(linearGeom.get());
GeomPtr result(indexedLine.extractLine(start, end));
checkExpected(result.get(), expected);
}
test_polygon_data()
: pm_(1), factory_(&pm_, 0), reader_(&factory_),
empty_poly_(factory_.createPolygon()), poly_size_(7)
{
// Create non-empty LinearRing
GeometryPtr geo = 0;
geo = reader_.read("POLYGON((0 10, 5 5, 10 5, 15 10, 10 15, 5 15, 0 10))");
poly_ = static_cast<PolygonPtr>(geo);
}
void
runPtLocator(int expected, const Coordinate& pt,
const std::string& wkt)
{
GeomPtr geom(reader.read(wkt));
geos::algorithm::PointLocator pointLocator;
int loc = pointLocator.locate(pt, geom.get());
ensure_equals(loc, expected);
}
void
checkLengthOfLine(std::string wkt, double expectedLength)
{
std::unique_ptr<Geometry> lineGeom(reader_.read(wkt));
std::unique_ptr<LineString> line(dynamic_cast<LineString*>(lineGeom.release()));
ensure(nullptr != line.get());
const CoordinateSequence* lineSeq = line->getCoordinatesRO();
double actual = algorithm::Length::ofLine(lineSeq);
ensure_equals(actual, expectedLength);
}
test_polygon_data()
: pm_(1)
, factory_(GeometryFactory::create(&pm_, 0))
, reader_(factory_.get())
, empty_poly_(factory_->createPolygon()), poly_size_(7)
{
// Create non-empty LinearRing
GeometryPtr geo = nullptr;
geo = reader_.read("POLYGON((0 10, 5 5, 10 5, 15 10, 10 15, 5 15, 0 10))");
poly_ = dynamic_cast<PolygonPtr>(geo);
}
GeomPtr fromWKT(const std::string& wkt)
{
GeomPtr geom;
try {
geom.reset( rdr.read(wkt) );
}
catch (const GEOSException& ex) {
cerr << ex.what() << endl;
}
return geom;
}
test_geometrysnapper_data()
:
factory(), // initialize before use!
reader(&factory),
src(reader.read(
"POLYGON ((0 0, 0 100, 100 100, 100 0, 0 0))"
)),
snapper( *(src.get()) )
{
}
GeomPtr readWKT(const std::string& inputWKT)
{
return GeomPtr(wktreader.read(inputWKT));
}
void checkExpected(Geometry* result, string const& expected)
{
GeomPtr subLine(reader.read(expected));
checkExpected(result, subLine.get());
}
namespace tut {
//
// Test Group
//
// dummy data, not used
struct test_pointlocator_data {};
typedef test_group<test_pointlocator_data> group;
typedef group::object object;
group test_pointlocator_group("geos::algorithm::PointLocator");
// These are static to avoid namespace pollution
// The struct test_*_data above is probably there
// for the same reason...
//
static PrecisionModel pm;
static GeometryFactory::Ptr gf = GeometryFactory::create(&pm);
static geos::io::WKTReader reader(gf.get());
typedef std::unique_ptr<Geometry> GeomPtr;
void
runPtLocator(int expected, const Coordinate& pt,
const std::string& wkt)
{
GeomPtr geom(reader.read(wkt));
geos::algorithm::PointLocator pointLocator;
int loc = pointLocator.locate(pt, geom.get());
ensure_equals(loc, expected);
}
//
// Test Cases
//
// 1 - Test box
template<>
template<>
void object::test<1>
()
{
runPtLocator(Location::INTERIOR, Coordinate(10, 10),
"POLYGON ((0 0, 0 20, 20 20, 20 0, 0 0))");
}
// 2 - Test complex ring
template<>
template<>
void object::test<2>
()
{
runPtLocator(Location::INTERIOR, Coordinate(0, 0),
"POLYGON ((-40 80, -40 -80, 20 0, 20 -100, 40 40, 80 -80, 100 80, 140 -20, 120 140, 40 180, 60 40, 0 120, -20 -20, -40 80))");
}
// 3 - Test PointLocator LinearRing LineString
template<>
template<>
void object::test<3>
()
{
runPtLocator(Location::BOUNDARY, Coordinate(0, 0),
"GEOMETRYCOLLECTION( LINESTRING(0 0, 10 10), LINEARRING(10 10, 10 20, 20 10, 10 10))");
}
// 4 - Test PointLocator Point inside LinearRing
template<>
template<>
void object::test<4>
()
{
runPtLocator(Location::EXTERIOR, Coordinate(11, 11),
"LINEARRING(10 10, 10 20, 20 10, 10 10)");
}
// 5 - TestPointLocator Point inside MultiPoint
template<>
template<>
void object::test<5>
()
{
runPtLocator(Location::INTERIOR, Coordinate(0, 0),
"MULTIPOINT ((1 1), (0 0))");
}
} // namespace tut
