/// <summary>
/// Tests whether all components of the test Geometry are contained in the target geometry.
/// </summary>
/// <remarks>Handles both linear and point components.</remarks>
/// <param name="testGeom">A geometry to test</param>
/// <returns>
/// true if all components of the argument are contained in the target geometry
/// </returns>
protected bool IsAllTestComponentsInTarget(Geometry testGeom)
{
var coords = ComponentCoordinateExtracter.GetCoordinates(testGeom);
foreach (var p in coords)
{
var loc = _targetPointLocator.Locate(p);
if (loc == Location.Exterior)
{
return(false);
}
}
return(true);
}
protected bool IsInExtent(Coordinate p)
{
if (_extentLocator != null)
{
return(_extentLocator.Locate(p) != Location.Exterior);
}
return(Extent.Contains(p));
}
private bool HasLocation(bool isCovered, Coordinate coord)
{
bool isExterior = Location.Exterior == _locator.Locate(coord);
if (isCovered)
{
return(!isExterior);
}
return(isExterior);
}
// MD - experimental for now
/// <summary>
/// Determines the <see cref="Location"/> of the given <see cref="Coordinate"/> in this geometry.
/// </summary>
/// <param name="pt">The point to test</param>
/// <returns>
/// The location of the point in the geometry
/// </returns>
public Location Locate(Coordinate pt)
{
if (_parentGeom is IPolygonal && _parentGeom.NumGeometries > 50)
{
// lazily init point locator
if (_areaPtLocator == null)
{
_areaPtLocator = new IndexedPointInAreaLocator(_parentGeom);
}
return(_areaPtLocator.Locate(pt));
}
return(_ptLocator.Locate(pt, _parentGeom));
}
// MD - experimental for now
///<summary>
/// Determines the <see cref="Location"/> of the given <see cref="Coordinate"/> in this geometry.
///</summary>
/// <param name="pt">The point to test</param>
/// <returns>
/// The location of the point in the geometry
/// </returns>
public Location Locate(Coordinate pt)
{
if (_parentGeom is IPolygonal && _parentGeom.NumGeometries > 50)
{
// lazily init point locator
if (_areaPtLocator == null)
{
_areaPtLocator = new NetTopologySuite.Algorithm.Locate.IndexedPointInAreaLocator(_parentGeom);
}
return _areaPtLocator.Locate(pt);
}
return _ptLocator.Locate(pt, _parentGeom);
}
/// <summary>
/// TestPointInArea
/// </summary>
/// <param name="p"></param>
/// <returns>true if the point location is determined to be the same by both PIA locaters</returns>
private Boolean TestPointInArea(Coordinate p)
{
//Console.WriteLine(WKTWriter.toPoint(p));
Location loc1 = _pia1.Locate(p);
Location loc2 = _pia2.Locate(p);
_locationCount[(Int32)loc1]++;
if ((loc1 == Location.Boundary || loc2 == Location.Boundary) &&
IgnoreBoundaryResults)
{
return(true);
}
return(loc1 == loc2);
}
/// <summary>
/// Convenience method to test a point for intersection with a geometry
/// <para/>
/// The geometry is wrapped in a <see cref="IPointOnGeometryLocator"/> class.
/// </summary>
/// <param name="locator">The locator to use.</param>
/// <param name="coordinate">The coordinate to test.</param>
/// <returns><c>true</c> if the point is in the interior or boundary of the geometry.</returns>
public static bool Intersects(IPointOnGeometryLocator locator, Coordinate coordinate)
{
if (locator == null)
throw new ArgumentNullException("locator");
if (coordinate == null)
throw new ArgumentNullException("coordinate");
switch (locator.Locate(coordinate))
{
case Location.Boundary:
case Location.Interior:
return true;
case Location.Exterior:
return false;
default:
throw new InvalidOperationException("IPointOnGeometryLocator.Locate should never return anything other than Boundary, Interior, or Exterior.");
}
}
/// <summary>
/// Convenience method to test a point for intersection with a geometry
/// <para/>
/// The geometry is wrapped in a <see cref="IPointOnGeometryLocator"/> class.
/// </summary>
/// <param name="locator">The locator to use.</param>
/// <param name="coordinate">The coordinate to test.</param>
/// <returns><c>true</c> if the point is in the interior or boundary of the geometry.</returns>
public static bool Intersects(IPointOnGeometryLocator locator, Coordinate coordinate)
{
if (locator == null)
{
throw new ArgumentNullException("locator");
}
if (coordinate == null)
{
throw new ArgumentNullException("coordinate");
}
switch (locator.Locate(coordinate))
{
case Location.Boundary:
case Location.Interior:
return(true);
case Location.Exterior:
return(false);
default:
throw new InvalidOperationException("IPointOnGeometryLocator.Locate should never return anything other than Boundary, Interior, or Exterior.");
}
}