//Получаем список индексов точек, из которых будем выбирать первый узел
        private static void GetFirstNodePretenders(int prevIndex, int prevNodesCount, List<IndexWithNodesCount> nodes, List<List<int>> starsForPoints, List<Point> orderedPoints)
        {
            List<int> allIndexes = new List<int>();
            allIndexes.Add(prevIndex + 1);
            List<int> indexesOnTeCurrentLevel = new List<int>();
            List<int> indexesOnTeNextLevel = new List<int>();
            foreach (int ind in starsForPoints[prevIndex]) { indexesOnTeCurrentLevel.Add(ind); }
            foreach (int ind in indexesOnTeCurrentLevel) { allIndexes.Add(ind); }
            int count = orderedPoints.Count;
            int nodesCount = 1;
            while (allIndexes.Count < count)
            {
                foreach (int ind in indexesOnTeCurrentLevel)
                {
                    foreach (int neiborNode in starsForPoints[ind - 1])
                    {
                        if (!allIndexes.Contains(neiborNode))
                        {
                            allIndexes.Add(neiborNode);
                            indexesOnTeNextLevel.Add(neiborNode);
                        }
                    }
                }
                nodesCount++;
                indexesOnTeCurrentLevel.Clear();
                foreach (int elem in indexesOnTeNextLevel)
                { indexesOnTeCurrentLevel.Add(elem); }
                indexesOnTeNextLevel.Clear();
            }

            IndexWithNodesCount element = new IndexWithNodesCount(prevIndex, nodesCount);
            nodes.Add(element);

            if (nodesCount > prevNodesCount)
            {
                int minNeibors = starsForPoints[indexesOnTeCurrentLevel.ElementAt(0) - 1].Count;
                foreach (int ind in indexesOnTeCurrentLevel)
                {
                    if (starsForPoints[ind - 1].Count < minNeibors) minNeibors = starsForPoints[ind - 1].Count;
                }

                foreach (int ind in indexesOnTeCurrentLevel)
                {
                    if (starsForPoints[ind - 1].Count == minNeibors) GetFirstNodePretenders(ind - 1, nodesCount, nodes, starsForPoints, orderedPoints);
                }
            }
        }
示例#2
0
        //Получаем список индексов точек, из которых будем выбирать первый узел
        private static void GetFirstNodePretenders(int prevIndex, int prevNodesCount, List <IndexWithNodesCount> nodes, List <List <int> > starsForPoints, List <Point> orderedPoints)
        {
            List <int> allIndexes = new List <int>();

            allIndexes.Add(prevIndex + 1);
            List <int> indexesOnTeCurrentLevel = new List <int>();
            List <int> indexesOnTeNextLevel    = new List <int>();

            foreach (int ind in starsForPoints[prevIndex])
            {
                indexesOnTeCurrentLevel.Add(ind);
            }
            foreach (int ind in indexesOnTeCurrentLevel)
            {
                allIndexes.Add(ind);
            }
            int count      = orderedPoints.Count;
            int nodesCount = 1;

            while (allIndexes.Count < count)
            {
                foreach (int ind in indexesOnTeCurrentLevel)
                {
                    foreach (int neiborNode in starsForPoints[ind - 1])
                    {
                        if (!allIndexes.Contains(neiborNode))
                        {
                            allIndexes.Add(neiborNode);
                            indexesOnTeNextLevel.Add(neiborNode);
                        }
                    }
                }
                nodesCount++;
                indexesOnTeCurrentLevel.Clear();
                foreach (int elem in indexesOnTeNextLevel)
                {
                    indexesOnTeCurrentLevel.Add(elem);
                }
                indexesOnTeNextLevel.Clear();
            }

            IndexWithNodesCount element = new IndexWithNodesCount(prevIndex, nodesCount);

            nodes.Add(element);

            if (nodesCount > prevNodesCount)
            {
                int minNeibors = starsForPoints[indexesOnTeCurrentLevel.ElementAt(0) - 1].Count;
                foreach (int ind in indexesOnTeCurrentLevel)
                {
                    if (starsForPoints[ind - 1].Count < minNeibors)
                    {
                        minNeibors = starsForPoints[ind - 1].Count;
                    }
                }

                foreach (int ind in indexesOnTeCurrentLevel)
                {
                    if (starsForPoints[ind - 1].Count == minNeibors)
                    {
                        GetFirstNodePretenders(ind - 1, nodesCount, nodes, starsForPoints, orderedPoints);
                    }
                }
            }
        }