public bool Contains(LineairRing lineairRing)
{
foreach (GeoCoordinate coordinate in lineairRing.Coordinates)
{
if (!this.Contains(coordinate))
{
return(false);
}
}
foreach (GeoCoordinate coordinate in this.Ring.Coordinates)
{
if (lineairRing.Contains(coordinate))
{
return(false);
}
}
foreach (LineString hole in this.Holes)
{
foreach (GeoCoordinate coordinate in hole.Coordinates)
{
if (lineairRing.Contains(coordinate))
{
return(false);
}
}
}
return(true);
}
/// <summary>
/// Returns true if the given ring is contained in this polygon.
/// </summary>
/// <param name="lineairRing"></param>
/// <returns></returns>
public bool Contains(LineairRing lineairRing)
{
// check if all points are inside this polygon.
foreach (var coordinate in lineairRing.Coordinates)
{
if (!this.Contains(coordinate))
{ // a coordinate ouside of this ring can never be part of a contained inner ring.
return(false);
}
}
// check if none of the points of this ring are inside the other ring.
foreach (var coordinate in this.Ring.Coordinates)
{
if (lineairRing.Contains(coordinate))
{ // a coordinate ouside of this ring can never be part of a contained inner ring.
return(false);
}
}
foreach (LineairRing hole in this.Holes)
{
foreach (var coordinate in hole.Coordinates)
{
if (lineairRing.Contains(coordinate))
{ // a coordinate ouside of this ring can never be part of a contained inner ring.
return(false);
}
}
}
return(true);
}
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));
}
/// <summary>
/// Returns true if the given ring is contained in this ring.
/// </summary>
/// <param name="lineairRing"></param>
/// <returns></returns>
public bool Contains(LineairRing lineairRing)
{
// check if all points are inside this ring.
foreach (var coordinate in lineairRing.Coordinates)
{
if (!this.Contains(coordinate))
{ // a coordinate ouside of this ring can never be part of a contained inner ring.
return false;
}
}
// check if none of the points of this ring are inside the other ring.
foreach (var coordinate in this.Coordinates)
{
if (lineairRing.Contains(coordinate))
{ // a coordinate ouside of this ring can never be part of a contained inner ring.
return false;
}
}
return true;
}
