C# (CSharp) CableTree.Distance Beispiele

Beispiel #1

        public HashItem[] FindNearestCable(GeomCoordinate pt)
        {
            var list = new NearestSet();

            try
            {
                _lockCr.EnterReadLock();

                if (_rCableTree.NodeCount == 0)
                {
                    return(list.ToArray());
                }

                var res = _rCableTree.Distance(pt, CoordinateTolerance);
                foreach (var node in res)
                {
                    var row = (MapDb.CablesRow)node.Row;

                    var cableRect = new CoordinateRectangle(row.Longitude1, row.Latitude1, row.Longitude2, row.Latitude2);

                    var distance = cableRect.LineDistance(pt);
                    list.Add(new HashItem(distance, row.ID));
                }
            }
            finally
            {
                _lockCr.ExitReadLock();
            }

            return(list.OrderBy(item => item.Key).ToArray());
        }