/// <summary>
///
/// </summary>
/// <param name="eSearch"></param>
/// <returns></returns>
public int FindIndex(EdgeEnd eSearch)
{
GetEnumerator(); // force edgelist to be computed
for (int i = 0; i < edgeList.Count; i++)
{
EdgeEnd e = edgeList[i];
if (e == eSearch)
{
return(i);
}
}
return(-1);
}
/// <summary>
///
/// </summary>
/// <param name="ee"></param>
/// <returns></returns>
public EdgeEnd GetNextCW(EdgeEnd ee)
{
IList <EdgeEnd> temp = Edges;
temp = null; // Hack for calling property
int i = edgeList.IndexOf(ee);
int iNextCW = i - 1;
if (i == 0)
{
iNextCW = edgeList.Count - 1;
}
return(edgeList[iNextCW]);
}
/// <summary>
/// Compute the labelling for all dirEdges in this star, as well
/// as the overall labelling.
/// </summary>
/// <param name="geom"></param>
public override void ComputeLabelling(GeometryGraph[] geom)
{
base.ComputeLabelling(geom);
// determine the overall labelling for this DirectedEdgeStar
// (i.e. for the node it is based at)
_label = new Label(Location.Null);
IEnumerator <EdgeEnd> it = GetEnumerator();
while (it.MoveNext())
{
EdgeEnd ee = it.Current;
Edge e = ee.Edge;
Label eLabel = e.Label;
for (int i = 0; i < 2; i++)
{
Location eLoc = eLabel.GetLocation(i);
if (eLoc == Location.Interior || eLoc == Location.Boundary)
{
_label.SetLocation(i, Location.Interior);
}
}
}
}
/*
* /// <summary>
* ///
* /// </summary>
* public DirectedEdgeStar() { }
*/
/// <summary>
/// Insert a directed edge in the list.
/// </summary>
/// <param name="ee"></param>
public override void Insert(EdgeEnd ee)
{
DirectedEdge de = (DirectedEdge)ee;
InsertEdgeEnd(de, de);
}
/// <summary>
/// Insert an EdgeEnd into the map, and clear the edgeList cache,
/// since the list of edges has now changed.
/// </summary>
/// <param name="e"></param>
/// <param name="obj"></param>
protected void InsertEdgeEnd(EdgeEnd e, EdgeEnd obj)
{
edgeMap[e] = obj;
edgeList = null; // edge list has changed - clear the cache
}
/*
* /// <summary>
* ///
* /// </summary>
* protected EdgeEndStar() { }
*/
/// <summary>
/// Insert a EdgeEnd into this EdgeEndStar.
/// </summary>
/// <param name="e"></param>
abstract public void Insert(EdgeEnd e);
/// <summary>
/// Add the edge to the list of edges at this node.
/// </summary>
/// <param name="e"></param>
public void Add(EdgeEnd e)
{
// Assert: start pt of e is equal to node point
_edges.Insert(e);
e.Node = this;
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
public void Add(EdgeEnd e)
{
_nodes.Add(e);
edgeEndList.Add(e);
}
