//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testBuildGeometryFromValidPolygon()
public virtual void testBuildGeometryFromValidPolygon()
{
string testfile = "valid-polygon.wkt";
IList <TDWay> ways = MockingUtils.wktPolygonToWays(testfile);
Geometry geometry = JTSUtils.toJtsGeometry(ways[0], ways.subList(1, ways.Count));
Assert.isTrue(geometry is LineString);
Assert.isTrue(geometry.Valid);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testBuildInValidPolygonWith2InnerRings()
public virtual void testBuildInValidPolygonWith2InnerRings()
{
string testfile = "invalid-polygon-2-inner-rings.wkt";
IList <TDWay> ways = MockingUtils.wktPolygonToWays(testfile);
Polygon polygon = JTSUtils.buildPolygon(ways[0], ways.subList(1, ways.Count));
Geometry expected = MockingUtils.readWKTFile(testfile);
Assert.isTrue(!polygon.Valid);
Assert.Equals(expected, polygon);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testBuildInvalidPolygon()
public virtual void testBuildInvalidPolygon()
{
string testfile = "invalid-polygon.wkt";
IList <TDWay> ways = MockingUtils.wktPolygonToWays(testfile);
Polygon polygon = JTSUtils.buildPolygon(ways[0]);
Geometry expected = MockingUtils.readWKTFile(testfile);
Assert.isTrue(!polygon.Valid);
Assert.Equals(expected, polygon);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testBuildValidMultiLineString()
public virtual void testBuildValidMultiLineString()
{
string testfile = "valid-multilinestring.wkt";
IList <TDWay> ways = MockingUtils.wktMultiLineStringToWays(testfile);
MultiLineString mls = JTSUtils.buildMultiLineString(ways[0], ways.subList(1, ways.Count));
Geometry expected = MockingUtils.readWKTFile(testfile);
Assert.isTrue(mls.Valid);
Assert.Equals(expected, mls);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testBuildGeometryFromInValidPolygon()
public virtual void testBuildGeometryFromInValidPolygon()
{
// Some of these tests do not really make sense, as not everything that is a closed line
// should be a polygon in OSM.
string testfile = "invalid-polygon.wkt";
// String expectedfile = "invalid-polygon-repaired.wkt";
IList <TDWay> ways = MockingUtils.wktPolygonToWays(testfile);
Geometry geometry = JTSUtils.toJtsGeometry(ways[0], ways.subList(1, ways.Count));
Assert.isTrue(geometry is LineString);
Assert.isTrue(geometry.Valid);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testBuildGeometryFromInValidPolygonWithHoles()
public virtual void testBuildGeometryFromInValidPolygonWithHoles()
{
string testfile = "invalid-polygon-2-inner-rings.wkt";
string expectedfile = "invalid-polygon-2-inner-rings-repaired.wkt";
IList <TDWay> ways = MockingUtils.wktPolygonToWays(testfile);
Geometry geometry = JTSUtils.toJtsGeometry(ways[0], ways.subList(1, ways.Count));
Assert.isTrue(geometry is Polygon);
Assert.isTrue(geometry.Valid);
Geometry expected = MockingUtils.readWKTFile(expectedfile);
Assert.Equals(expected, geometry);
}
/// <summary>
/// Clips a geometry to a tile.
/// </summary>
/// <param name="way">
/// the way </param>
/// <param name="geometry">
/// the geometry </param>
/// <param name="tileCoordinate">
/// the tile coordinate </param>
/// <param name="enlargementInMeters">
/// the bounding box buffer </param>
/// <returns> the clipped geometry </returns>
public static Geometry clipToTile(TDWay way, Geometry geometry, TileCoordinate tileCoordinate, int enlargementInMeters)
{
Geometry tileBBJTS = null;
Geometry ret = null;
// create tile bounding box
tileBBJTS = tileToJTSGeometry(tileCoordinate.X, tileCoordinate.Y, tileCoordinate.Zoomlevel, enlargementInMeters);
// clip the geometry by intersection with the bounding box of the tile
// may throw a TopologyException
try
{
if (!geometry.Valid)
{
// this should stop the problem of non-noded intersections that trigger an error when
// clipping
LOGGER.warning("invalid geometry prior to tile clipping, trying to repair " + way.Id);
geometry = JTSUtils.repairInvalidPolygon(geometry);
if (!geometry.Valid)
{
LOGGER.warning("invalid geometry even after attempt to fix " + way.Id);
}
}
ret = tileBBJTS.intersection(geometry);
// according to Ludwig (see issue332) valid polygons may become invalid by clipping (at least
// in the Python shapely library
// we need to investigate this more closely and write approriate test cases
// for now, I check whether the resulting polygon is valid and if not try to repair it
if ((ret is Polygon || ret is MultiPolygon) && !ret.Valid)
{
LOGGER.warning("clipped way is not valid, trying to repair it: " + way.Id);
ret = JTSUtils.repairInvalidPolygon(ret);
if (ret == null)
{
way.Invalid = true;
LOGGER.warning("could not repair invalid polygon: " + way.Id);
}
}
}
catch (TopologyException e)
{
LOGGER.log(Level.WARNING, "JTS cannot clip way, not storing it in data file: " + way.Id, e);
way.Invalid = true;
return(null);
}
return(ret);
}
// **************** WAY OR POI IN TILE *****************
/// <summary>
/// Computes which tiles on the given base zoom level need to include the given way (which may be a polygon).
/// </summary>
/// <param name="way">
/// the way that is mapped to tiles </param>
/// <param name="baseZoomLevel">
/// the base zoom level which is used in the mapping </param>
/// <param name="enlargementInMeter">
/// amount of pixels that is used to enlarge the bounding box of the way and the tiles in the mapping
/// process </param>
/// <returns> all tiles on the given base zoom level that need to include the given way, an empty set if no tiles are
/// matched </returns>
//JAVA TO C# CONVERTER WARNING: 'final' parameters are not available in .NET:
//ORIGINAL LINE: public static java.util.Set<org.mapsforge.map.writer.model.TileCoordinate> mapWayToTiles(final org.mapsforge.map.writer.model.TDWay way, final byte baseZoomLevel, final int enlargementInMeter)
public static ISet <TileCoordinate> mapWayToTiles(TDWay way, sbyte baseZoomLevel, int enlargementInMeter)
{
if (way == null)
{
LOGGER.fine("way is null in mapping to tiles");
return(Collections.emptySet());
}
HashSet <TileCoordinate> matchedTiles = new HashSet <TileCoordinate>();
Geometry wayGeometry = JTSUtils.toJTSGeometry(way);
if (wayGeometry == null)
{
way.Invalid = true;
LOGGER.fine("unable to create geometry from way: " + way.Id);
return(matchedTiles);
}
TileCoordinate[] bbox = getWayBoundingBox(way, baseZoomLevel, enlargementInMeter);
// calculate the tile coordinates and the corresponding bounding boxes
try
{
for (int k = bbox[0].X; k <= bbox[1].X; k++)
{
for (int l = bbox[0].Y; l <= bbox[1].Y; l++)
{
Geometry bboxGeometry = tileToJTSGeometry(k, l, baseZoomLevel, enlargementInMeter);
if (bboxGeometry.intersects(wayGeometry))
{
matchedTiles.Add(new TileCoordinate(k, l, baseZoomLevel));
}
}
}
}
catch (TopologyException)
{
LOGGER.fine("encountered error during mapping of a way to corresponding tiles, way id: " + way.Id);
return(Collections.emptySet());
}
return(matchedTiles);
}
internal static Polygon buildPolygon(TDWay way)
{
Coordinate[] coordinates = JTSUtils.toCoordinates(way);
return(GEOMETRY_FACTORY.createPolygon(GEOMETRY_FACTORY.createLinearRing(coordinates), null));
}
internal static LineString buildLineString(TDWay way)
{
Coordinate[] coordinates = JTSUtils.toCoordinates(way);
return(GEOMETRY_FACTORY.createLineString(coordinates));
}