private GeoDistance(GeoDistance original, Cloner cloner) : base(original, cloner) { }
public virtual void Load(PTSPData data) { try { SuppressEvents = true; if (data.Coordinates == null && data.Distances == null) { throw new System.IO.InvalidDataException("The given instance specifies neither coordinates nor distances!"); } if (data.Dimension > DistanceMatrixSizeLimit && (data.Coordinates == null || data.Coordinates.GetLength(0) != data.Dimension || data.Coordinates.GetLength(1) != 2)) { throw new System.IO.InvalidDataException("The given instance is too large for using a distance matrix and there is a problem with the coordinates."); } if (data.Coordinates != null && (data.Coordinates.GetLength(0) != data.Dimension || data.Coordinates.GetLength(1) != 2)) { throw new System.IO.InvalidDataException("The coordinates of the given instance are not in the right format, there need to be one row for each customer and two columns for the x and y coordinates respectively."); } switch (data.DistanceMeasure) { case DistanceMeasure.Direct: DistanceCalculator = null; if (data.Dimension > DistanceMatrixSizeLimit && Coordinates != null) { DistanceCalculator = new EuclideanDistance(); UseDistanceMatrix = false; } else { UseDistanceMatrix = true; } break; case DistanceMeasure.Att: DistanceCalculator = new AttDistance(); break; case DistanceMeasure.Euclidean: DistanceCalculator = new EuclideanDistance(); break; case DistanceMeasure.Geo: DistanceCalculator = new GeoDistance(); break; case DistanceMeasure.Manhattan: DistanceCalculator = new ManhattanDistance(); break; case DistanceMeasure.Maximum: DistanceCalculator = new MaximumDistance(); break; case DistanceMeasure.RoundedEuclidean: DistanceCalculator = new RoundedEuclideanDistance(); break; case DistanceMeasure.UpperEuclidean: DistanceCalculator = new UpperEuclideanDistance(); break; default: throw new ArgumentException("Distance measure is unknown"); } Name = data.Name; Description = data.Description; Probabilities = new DoubleArray(data.Probabilities); BestKnownSolution = data.BestKnownTour != null ? new Permutation(PermutationTypes.RelativeUndirected, data.BestKnownTour) : null; Coordinates = data.Coordinates != null && data.Coordinates.GetLength(0) > 0 ? new DoubleMatrix(data.Coordinates) : null; DistanceMatrix = data.Dimension <= DistanceMatrixSizeLimit && UseDistanceMatrix ? new DistanceMatrix(data.GetDistanceMatrix()) : null; Encoding.Length = data.Dimension; } finally { SuppressEvents = false; } OnReset(); }
private GeoDistance(GeoDistance original, Cloner cloner) : base(original, cloner) { }