/// <summary>
/// Adds nodes for the first and last points of the edge.
/// </summary>
private void AddEndPoints()
{
int maxSegIndex = edge.Count - 1;
Add(edge.GetCoordinate(0), 0);
Add(edge.GetCoordinate(maxSegIndex), maxSegIndex);
}
/// <summary>
/// Initializes a new instance of the <see cref="SegmentNode"/> class.
/// </summary>
/// <param name="segString"></param>
/// <param name="coord"></param>
/// <param name="segmentIndex"></param>
/// <param name="segmentOctant"></param>
public SegmentNode(SegmentString segString, ICoordinate coord, int segmentIndex, Octants segmentOctant)
{
this.segString = segString;
this.Coordinate = new Coordinate(coord);
this.SegmentIndex = segmentIndex;
this.segmentOctant = segmentOctant;
isInterior = !coord.Equals2D(segString.GetCoordinate(segmentIndex));
}
/// <summary>
///
/// </summary>
/// <param name="splitEdges"></param>
private void CheckSplitEdgesCorrectness(IList splitEdges)
{
ICoordinate[] edgePts = edge.Coordinates;
// check that first and last points of split edges are same as endpoints of edge
SegmentString split0 = (SegmentString)splitEdges[0];
ICoordinate pt0 = split0.GetCoordinate(0);
if (!pt0.Equals2D(edgePts[0]))
{
throw new Exception("bad split edge start point at " + pt0);
}
SegmentString splitn = (SegmentString)splitEdges[splitEdges.Count - 1];
ICoordinate[] splitnPts = splitn.Coordinates;
ICoordinate ptn = splitnPts[splitnPts.Length - 1];
if (!ptn.Equals2D(edgePts[edgePts.Length - 1]))
{
throw new Exception("bad split edge end point at " + ptn);
}
}