/// <summary>
///
/// </summary>
/// <param name="p"></param>
/// <param name="geom"></param>
/// <returns></returns>
private static bool ContainsPoint(ICoordinate p, IGeometry geom)
{
if (geom is IPolygon)
return ContainsPointInPolygon(p, (IPolygon) geom);
else if(geom is IGeometryCollection)
{
IEnumerator geomi = new GeometryCollectionEnumerator((IGeometryCollection) geom);
while (geomi.MoveNext())
{
IGeometry g2 = (IGeometry) geomi.Current;
// if(g2 != geom) --- Diego Guidi say's: Java code tests reference equality: in C# with operator overloads we tests the object.equals()... more slower!
if (!Object.ReferenceEquals(g2, geom))
if (ContainsPoint(p, g2))
return true;
}
}
return false;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public bool MoveNext()
{
if (atStart)
return true;
if (subcollectionEnumerator != null)
{
if (subcollectionEnumerator.MoveNext())
return true;
subcollectionEnumerator = null;
}
if (index >= max)
return false;
return true;
}
/// <summary>
///
/// </summary>
/// <param name="p"></param>
/// <param name="geom"></param>
private void ComputeLocation(ICoordinate p, IGeometry geom)
{
if (geom is ILineString)
UpdateLocationInfo(Locate(p, (ILineString) geom));
else if(geom is Polygon)
UpdateLocationInfo(Locate(p, (IPolygon) geom));
else if(geom is IMultiLineString)
{
IMultiLineString ml = (IMultiLineString) geom;
foreach (ILineString l in ml.Geometries)
UpdateLocationInfo(Locate(p, l));
}
else if(geom is IMultiPolygon)
{
IMultiPolygon mpoly = (IMultiPolygon) geom;
foreach (IPolygon poly in mpoly.Geometries)
UpdateLocationInfo(Locate(p, poly));
}
else if (geom is IGeometryCollection)
{
IEnumerator geomi = new GeometryCollectionEnumerator((IGeometryCollection) geom);
while(geomi.MoveNext())
{
IGeometry g2 = (IGeometry) geomi.Current;
if (g2 != geom)
ComputeLocation(p, g2);
}
}
}
