public int CompareTo(object obj)
        {
            WeightedIndex pointIndex = obj as WeightedIndex;

            if (pointIndex == null)
            {
                return(-1);
            }
            if (this.Weight < pointIndex.Weight)
            {
                return(-1);
            }
            if (this.Weight > pointIndex.Weight)
            {
                return(1);
            }
            if (this.Index < pointIndex.Index)
            {
                return(-1);
            }
            if (this.Index > pointIndex.Index)
            {
                return(1);
            }
            return(0);
        }
示例#2
0
        IList <double> CalculateWeightsCore(IList <CoordPoint> points)
        {
            int[]  previousPointIndex = new int[points.Count];
            int[]  nextPointIndex     = new int[points.Count];
            double maxValue           = double.NegativeInfinity;

            double[] weights = InicializeWeights(points);
            InicializeIndices(previousPointIndex, nextPointIndex);
            SortedSet <WeightedIndex> sortedSet = InicializeSortedSet(weights);

            while (sortedSet.Count > 0)
            {
                WeightedIndex minWeightIndex = sortedSet.Min;
                sortedSet.Remove(minWeightIndex);
                if (minWeightIndex.Weight == double.PositiveInfinity)
                {
                    break;
                }

                if (minWeightIndex.Weight < maxValue)
                {
                    weights[minWeightIndex.Index] = maxValue;
                }
                else
                {
                    maxValue = minWeightIndex.Weight;
                }

                int previousIndex = previousPointIndex[minWeightIndex.Index];
                int nextIndex     = nextPointIndex[minWeightIndex.Index];

                if (previousIndex > 0)
                {
                    UpdatePointWeight(previousIndex, MathUtils.CalculateSquare(points[previousPointIndex[previousIndex]], points[previousIndex], points[nextIndex]),
                                      weights, sortedSet);
                }

                if (nextIndex < points.Count - 1)
                {
                    UpdatePointWeight(nextIndex, MathUtils.CalculateSquare(points[previousIndex], points[nextIndex], points[nextPointIndex[nextIndex]]),
                                      weights, sortedSet);
                }

                previousPointIndex[nextIndex] = previousIndex;
                nextPointIndex[previousIndex] = nextIndex;
            }
            return(weights);
        }