public void TestLineairRingContainsRing()
{
LineairRing inner = new LineairRing(new GeoCoordinate(1, 1),
new GeoCoordinate(1, 0.2), new GeoCoordinate(0.2, 1), new GeoCoordinate(1, 1));
LineairRing outer = new LineairRing(new GeoCoordinate(0, 0),
new GeoCoordinate(2, 0), new GeoCoordinate(2, 2), new GeoCoordinate(0, 2), new GeoCoordinate(0, 0));
Assert.IsTrue(outer.Contains(inner));
}
public void TestLineairRingContainsPoint()
{
LineairRing ring = new LineairRing(new GeoCoordinate(0, 0),
new GeoCoordinate(3, 0), new GeoCoordinate(0, 3), new GeoCoordinate(0, 0));
foreach (GeoCoordinate ringCoordinate in ring.Coordinates)
{
Assert.IsTrue(ring.Contains(ringCoordinate));
}
GeoCoordinate coordinate = new GeoCoordinate(1, 1);
Assert.IsTrue(ring.Contains(coordinate));
coordinate = new GeoCoordinate(2, 2);
Assert.IsFalse(ring.Contains(coordinate));
coordinate = new GeoCoordinate(-1, 1);
Assert.IsFalse(ring.Contains(coordinate));
coordinate = new GeoCoordinate(0, 1);
Assert.IsTrue(ring.Contains(coordinate));
coordinate = new GeoCoordinate(1, 0);
Assert.IsTrue(ring.Contains(coordinate));
}
private Geometry GroupRings(List <KeyValuePair <bool, LineairRing> > rings)
{
Geometry geometry1 = (Geometry)null;
bool[][] containsFlags = new bool[rings.Count][];
KeyValuePair <bool, LineairRing> ring;
for (int index1 = 0; index1 < rings.Count; ++index1)
{
containsFlags[index1] = new bool[rings.Count];
for (int index2 = 0; index2 < index1; ++index2)
{
bool[] flagArray = containsFlags[index1];
int index3 = index2;
ring = rings[index1];
LineairRing lineairRing1 = ring.Value;
ring = rings[index2];
LineairRing lineairRing2 = ring.Value;
int num = lineairRing1.Contains(lineairRing2) ? 1 : 0;
flagArray[index3] = num != 0;
}
}
bool[] used = new bool[rings.Count];
MultiPolygon multiPolygon = (MultiPolygon)null;
while (((IEnumerable <bool>)used).Contains <bool>(false))
{
LineairRing outline = (LineairRing)null;
int index = -1;
for (int ringIdx = 0; ringIdx < rings.Count; ++ringIdx)
{
if (!used[ringIdx] && this.CheckUncontained(rings, containsFlags, used, ringIdx))
{
ring = rings[ringIdx];
if (!ring.Key)
{
Log.TraceEvent("OsmSharp.Osm.Interpreter.SimpleGeometryInterpreter", TraceEventType.Error, "Invalid multipolygon relation: an 'inner' ring was detected without an 'outer'.");
}
index = ringIdx;
ring = rings[ringIdx];
outline = ring.Value;
used[ringIdx] = true;
break;
}
}
if (outline != null)
{
List <LineairRing> lineairRingList1 = new List <LineairRing>();
for (int ringIdx = 0; ringIdx < rings.Count; ++ringIdx)
{
if (!used[ringIdx] && containsFlags[index][ringIdx] && this.CheckUncontained(rings, containsFlags, used, ringIdx))
{
List <LineairRing> lineairRingList2 = lineairRingList1;
ring = rings[ringIdx];
LineairRing lineairRing = ring.Value;
lineairRingList2.Add(lineairRing);
used[ringIdx] = true;
}
}
bool flag = !((IEnumerable <bool>)used).Contains <bool>(false);
if (((multiPolygon != null ? 0 : (lineairRingList1.Count == 0 ? 1 : 0)) & (flag ? 1 : 0)) != 0)
{
geometry1 = (Geometry)outline;
break;
}
if (multiPolygon == null & flag)
{
geometry1 = (Geometry) new Polygon(outline, (IEnumerable <LineairRing>)lineairRingList1);
break;
}
multiPolygon = new MultiPolygon();
geometry1 = (Geometry)multiPolygon;
Polygon geometry2 = new Polygon(outline, (IEnumerable <LineairRing>)lineairRingList1);
multiPolygon.Add(geometry2);
}
else
{
Log.TraceEvent("OsmSharp.Osm.Interpreter.SimpleGeometryInterpreter", TraceEventType.Error, "Invalid multipolygon relation: Unassigned rings left.");
break;
}
}
return(geometry1);
}