/// <summary>
///
/// </summary>
/// <param name="p"></param>
/// <param name="ring"></param>
/// <returns></returns>
private static LocationType LocateInPolygonRing(Coordinate p, IBasicGeometry ring)
{
// can this test be folded into IsPointInRing?
if (CgAlgorithms.IsOnLine(p, ring.Coordinates))
{
return(LocationType.Boundary);
}
if (CgAlgorithms.IsPointInRing(p, ring.Coordinates))
{
return(LocationType.Interior);
}
return(LocationType.Exterior);
}
/// <summary>
///
/// </summary>
/// <param name="p"></param>
/// <param name="l"></param>
/// <returns></returns>
private static LocationType LocateInLineString(Coordinate p, ILineString l)
{
IList <Coordinate> pt = l.Coordinates;
if (!l.IsClosed)
{
if (p.Equals(pt[0]) || p.Equals(pt[pt.Count - 1]))
{
return(LocationType.Boundary);
}
}
if (CgAlgorithms.IsOnLine(p, pt))
{
return(LocationType.Interior);
}
return(LocationType.Exterior);
}