/// <summary>
/// For each edge in stack
/// (which must originate at a node)
/// extracts the line it initiates.
/// </summary>
private void BuildLines()
{
while (_nodeEdgeStack.Count > 0)
{
HalfEdge e = _nodeEdgeStack.Pop();
if (MarkHalfEdge.IsMarked(e))
{
continue;
}
BuildLine(e);
}
}
/// <summary>
/// Adds edges around this node to the stack.
/// </summary>
/// <param name="node"></param>
private void StackEdges(HalfEdge node)
{
HalfEdge e = node;
do
{
if (!MarkHalfEdge.IsMarked(e))
{
_nodeEdgeStack.Push(e);
}
e = e.ONext;
} while (e != node);
}
private void ComputeResult()
{
IEnumerable <HalfEdge> edges = _graph.GetVertexEdges();
foreach (HalfEdge e in edges)
{
if (MarkHalfEdge.IsMarked(e))
{
continue;
}
Process(e);
}
_result = _factory.BuildGeometry(_lines);
}