private Geometry SelfSnap(Geometry geom)
{
var snapper0 = new GeometrySnapper(geom);
var snapGeom = snapper0.SnapTo(geom, _snapTolerance);
//System.out.println("Self-snapped: " + snapGeom);
//System.out.println();
return(snapGeom);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
private Geometry[] Snap(Geometry[] geom)
{
var remGeom = RemoveCommonBits(geom);
// MD - testing only
// Geometry[] remGeom = geom;
var snapGeom = GeometrySnapper.Snap(remGeom[0], remGeom[1], _snapTolerance);
// MD - may want to do this at some point, but it adds cycles
// CheckValid(snapGeom[0]);
// CheckValid(snapGeom[1]);
return(snapGeom);
}
/// <summary>
/// Snaps two geometries together with a given tolerance.
/// </summary>
/// <param name="g0"></param>
/// <param name="g1"></param>
/// <param name="snapTolerance"></param>
/// <returns></returns>
public static Geometry[] Snap(Geometry g0, Geometry g1, double snapTolerance)
{
var snapGeom = new Geometry[2];
var snapper0 = new GeometrySnapper(g0);
snapGeom[0] = snapper0.SnapTo(g1, snapTolerance);
/*
* Snap the second geometry to the snapped first geometry
* (this strategy minimizes the number of possible different points in the result)
*/
var snapper1 = new GeometrySnapper(g1);
snapGeom[1] = snapper1.SnapTo(snapGeom[0], snapTolerance);
return(snapGeom);
}
/// <summary>
/// Snaps a geometry to itself.
/// Allows optionally cleaning the result to ensure it is topologically valid
/// (which fixes issues such as topology collapses in polygonal inputs).
/// Snapping a geometry to itself can remove artifacts such as very narrow slivers, gores and spikes.
/// </summary>
/// <param name="geom">the geometry to snap</param>
/// <param name="snapTolerance">the snapping tolerance</param>
/// <param name="cleanResult">whether the result should be made valid</param>
/// <returns>a new snapped <see cref="Geometry"/></returns>
public static Geometry SnapToSelf(Geometry geom, double snapTolerance, bool cleanResult)
{
var snapper0 = new GeometrySnapper(geom);
return(snapper0.SnapToSelf(snapTolerance, cleanResult));
}
/// <summary>
///
/// </summary>
private void ComputeSnapTolerance()
{
_snapTolerance = GeometrySnapper.ComputeOverlaySnapTolerance(_geom[0], _geom[1]);
}