public IGeometry Node(IGeometry geom)
        {

            var geomList = new List<IGeometry>();
            geomList.Add(geom);
            var segStrings = ExtractSegmentStrings(geomList);
            //Noder sr = new SimpleSnapRounder(pm);
            var sr = new MCIndexSnapRounder(_pm);
            sr.ComputeNodes(segStrings);


            var nodedPtsMap = GetNodedPtsMap(segStrings);
            var lineReplacer = new GeometryLineReplacer(nodedPtsMap);
            var geomEditor = new GeometryEditor();
            var snapped = geomEditor.Edit(geom, lineReplacer);
            return snapped;

        }
        public IGeometry Node(IGeometry geom)
        {
            var geomList = new List <IGeometry>();

            geomList.Add(geom);
            var segStrings = ExtractSegmentStrings(geomList);
            //Noder sr = new SimpleSnapRounder(pm);
            var sr = new MCIndexSnapRounder(_pm);

            sr.ComputeNodes(segStrings);


            var nodedPtsMap  = GetNodedPtsMap(segStrings);
            var lineReplacer = new GeometryLineReplacer(nodedPtsMap);
            var geomEditor   = new GeometryEditor();
            var snapped      = geomEditor.Edit(geom, lineReplacer);

            return(snapped);
        }