/// <summary> /// Adds an Edge, DirectedEdges, and Nodes for the given LineString representation /// of an edge. /// </summary> public virtual void AddEdge(LineString lineString) { if (lineString.IsEmpty) return; IList<Coordinate> coordinates = CoordinateArrays.RemoveRepeatedPoints(lineString.Coordinates); Coordinate startCoordinate = coordinates[0]; Coordinate endCoordinate = coordinates[coordinates.Count - 1]; Node startNode = GetNode(startCoordinate); Node endNode = GetNode(endCoordinate); DirectedEdge directedEdge0 = new LineMergeDirectedEdge(startNode, endNode, coordinates[1], true); DirectedEdge directedEdge1 = new LineMergeDirectedEdge(endNode, startNode, coordinates[coordinates.Count - 2], false); Edge edge = new LineMergeEdge(lineString); edge.SetDirectedEdges(directedEdge0, directedEdge1); Add(edge); }
/// <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.IsMarked = true; current = current.Next; } while (current != null && current != start); return edgeString; }
/// <summary> /// Adds a directed edge which is known to form part of this line. /// </summary> /// <param name="directedEdge"></param> public virtual void Add(LineMergeDirectedEdge directedEdge) { directedEdges.Add(directedEdge); }