/// <summary>
///
/// </summary>
/// <param name="start"></param>
/// <returns></returns>
private EdgeString BuildEdgeStringStartingWith(LineMergeDirectedEdge start)
{
EdgeString edgeString = new EdgeString(factory);
LineMergeDirectedEdge current = start;
do
{
edgeString.Add(current);
current.Edge.Marked = true;
current = current.Next;
}while (current != null && current != start);
return(edgeString);
}
/// <summary>
///
/// </summary>
private void Merge()
{
if (mergedLineStrings != null)
{
return;
}
edgeStrings = new ArrayList();
BuildEdgeStringsForObviousStartNodes();
BuildEdgeStringsForIsolatedLoops();
mergedLineStrings = new ArrayList();
for (IEnumerator i = edgeStrings.GetEnumerator(); i.MoveNext();)
{
EdgeString edgeString = (EdgeString)i.Current;
mergedLineStrings.Add(edgeString.ToLineString());
}
}