/// <summary>
/// Computes all interior intersections in the collection of <see cref="ISegmentString" />s,
/// and returns their <see cref="Coordinate" />s.
/// <para/>
/// Also adds the intersection nodes to the segments.
/// </summary>
/// <param name="segStrings"></param>
/// <returns>A list of <see cref="Coordinate" />s for the intersections.</returns>
private IList <Coordinate> FindInteriorIntersections(IList <ISegmentString> segStrings)
{
var intAdder = new SnapRoundingIntersectionAdder(_pm);
var noder = new MCIndexNoder();
noder.SegmentIntersector = intAdder;
noder.ComputeNodes(segStrings);
return(intAdder.Intersections);
}
/// <summary>
/// Detects interior intersections in the collection of {@link SegmentString}s,
/// and adds nodes for them to the segment strings.
/// Also creates HotPixel nodes for the intersection points.
/// </summary>
/// <param name="segStrings">The input NodedSegmentStrings</param>
private void AddIntersectionPixels(IList<ISegmentString> segStrings)
{
var intAdder = new SnapRoundingIntersectionAdder(_pm);
var noder = new MCIndexNoder(intAdder);
//noder.SegmentIntersector = intAdder;
noder.ComputeNodes(segStrings);
var intPts = intAdder.Intersections;
_pixelIndex.AddNodes(intPts);
}