/// <summary>
/// Copy all nodes from an arg point into this graph.
/// The node label in the arg point overrides any previously computed
/// label for that argIndex.
/// (E.g. a node may be an intersection node with
/// a computed label of Boundary,
/// but in the original arg Geometry it is actually
/// in the interior due to the Boundary Determination Rule).
/// </summary>
/// <param name="geomGraph"></param>
/// <param name="argIndex"></param>
public virtual void CopyNodesAndLabels(GeometryGraph geomGraph, int argIndex)
{
for (IEnumerator nodeIt = geomGraph.GetNodeEnumerator(); nodeIt.MoveNext();)
{
Node graphNode = (Node)nodeIt.Current;
Node newNode = nodes.AddNode(graphNode.Coordinate);
newNode.SetLabel(argIndex, graphNode.Label.GetLocation(argIndex));
}
}