} // public override string ToString()
public override bool Equals(object obj)
{
bool returnValue = false;
EdgeEndBundle eeb = obj as EdgeEndBundle;
if (eeb != null)
{
if (_edgeEnds.Count != eeb.EdgeEnds.Count)
{
return(false);
}
for (int i = 0; i < _edgeEnds.Count; i++)
{
if (!((EdgeEnd)_edgeEnds[i]).Equals(eeb.EdgeEnds[i]))
{
return(false);
}
}
// now need to check base class
if (!base.Equals(obj))
{
return(false);
}
returnValue = true;
}
return(returnValue);
} // public override bool Equals( object obj )
} // public override void Insert( EdgeEnd e )
/// <summary>
/// Update the IM with the contribution for the EdgeStubs around the node.
/// </summary>
/// <param name="im"></param>
public void UpdateIM(IntersectionMatrix im)
{
ArrayList edges = Edges();
foreach (object obj in edges)
{
EdgeEndBundle esb = (EdgeEndBundle)obj;
esb.UpdateIM(im);
}
} // void UpdateIM( IntersectionMatrix im )
/// <summary>
/// Insert an EdgeEnd in order in the list. If there is an existing EdgeStubBundle which is parallel,
/// the EdgeEnd is added to the bundle. Otherwise, a new EdgeEndBundle is created to contain the EdgeEnd.
/// </summary>
/// <param name="e"></param>
public override void Insert( EdgeEnd e )
{
EdgeEndBundle eb = (EdgeEndBundle) _edgeMap[ e ];
if (eb == null)
{
eb = new EdgeEndBundle( e );
InsertEdgeEnd( e, eb );
}
else
{
eb.Insert( e );
}
} // public override void Insert( EdgeEnd e )
/// <summary>
/// Insert an EdgeEnd in order in the list. If there is an existing EdgeStubBundle which is parallel,
/// the EdgeEnd is added to the bundle. Otherwise, a new EdgeEndBundle is created to contain the EdgeEnd.
/// </summary>
/// <param name="e"></param>
public override void Insert(EdgeEnd e)
{
EdgeEndBundle eb = (EdgeEndBundle)_edgeMap[e];
if (eb == null)
{
eb = new EdgeEndBundle(e);
InsertEdgeEnd(e, eb);
}
else
{
eb.Insert(e);
}
} // public override void Insert( EdgeEnd e )
} // public bool IsNodeConsistentArea()
/// <summary>
/// Checks for two duplicate rings in an area.
/// Duplicate rings are rings that are topologically equal
/// (that is, which have the same sequence of points up to point order).
/// If the area is topologically consistent (determined by calling the IsNodeConsistentArea,
/// duplicate rings can be found by checking for EdgeBundles which contain
/// more than one EdgeEnd.
/// (This is because topologically consistent areas cannot have two rings sharing
/// the same line segment, unless the rings are equal).
/// The start point of one of the equal rings will be placed in
/// invalidPoint.
/// </summary>
/// <returns>Returns true if this area Geometry is topologically consistent but has two
/// duplicate rings.</returns>
public bool HasDuplicateRings()
{
foreach (DictionaryEntry entry in _nodes)
{
RelateNode node = (RelateNode)entry.Value;
foreach (object objEdgeEnd in node.Edges)
{
EdgeEndBundle eeb = (EdgeEndBundle)objEdgeEnd;
if (eeb.EdgeEnds.Count > 1)
{
_invalidPoint = eeb.Edge.GetCoordinate();
return(true);
}
}
} // foreach ( object obj in _nodes )
return(false);
} // public bool HasDuplicateRings()