コード例 #1
0
        private void AdjustVertex([NotNull] TVertex closest)
        {
            Debug.Assert(closest != null);

            _queue.Clear();
            ISOMData vid = _isomDataDict[closest];

            vid.Distance = 0;
            vid.Visited  = true;
            _queue.Enqueue(closest);

            while (_queue.Count > 0)
            {
                ThrowIfCancellationRequested();

                TVertex  current     = _queue.Dequeue();
                ISOMData currentData = _isomDataDict[current];
                Point    position    = VerticesPositions[current];

                Vector force  = _tempPos - position;
                double factor = _adaptation / Math.Pow(2, currentData.Distance);

                position += factor * force;
                VerticesPositions[current] = position;

                // If it is in the radius
                if (currentData.Distance < _radius)
                {
                    // Also consider neighbors
                    foreach (TVertex neighbor in VisitedGraph.GetNeighbors(current))
                    {
                        ThrowIfCancellationRequested();

                        ISOMData neighborData = _isomDataDict[neighbor];
                        if (!neighborData.Visited)
                        {
                            neighborData.Visited  = true;
                            neighborData.Distance = currentData.Distance + 1;
                            _queue.Enqueue(neighbor);
                        }
                    }
                }
            }
        }