Free cookie consent management tool by TermsFeed Policy Generator

source: branches/VRP/HeuristicLab.Problems.VehicleRouting/3.4/Interpreters/CVRPInterpreter.cs @ 12488

Last change on this file since 12488 was 7881, checked in by svonolfe, 13 years ago

Added VRP test instances (#1177)

File size: 2.8 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.Collections.Generic;
24using System.Linq;
25using System.Text;
26using HeuristicLab.Problems.Instances;
27using HeuristicLab.Problems.VehicleRouting.Interfaces;
28using HeuristicLab.Problems.VehicleRouting.ProblemInstances;
29using HeuristicLab.Data;
30using HeuristicLab.Problems.VehicleRouting.Encodings.Potvin;
31
32namespace HeuristicLab.Problems.VehicleRouting.Interpreters {
33  public class CVRPInterpreter: IVRPDataInterpreter<CVRPData> {
34    public VRPInstanceDescription Interpret(IVRPData data) {
35      CVRPData cvrpData = data as CVRPData;
36
37      VRPInstanceDescription result = new VRPInstanceDescription();
38      result.Name = cvrpData.Name;
39      result.Description = cvrpData.Description;
40
41      CVRPProblemInstance problem = new CVRPProblemInstance();
42      if(cvrpData.Coordinates != null)
43        problem.Coordinates = new DoubleMatrix(cvrpData.Coordinates);
44      if (cvrpData.MaximumVehicles != null)
45        problem.Vehicles.Value = (int)cvrpData.MaximumVehicles;
46      else
47        problem.Vehicles.Value = cvrpData.Dimension - 1;
48      problem.Capacity.Value = cvrpData.Capacity;
49      problem.Demand = new DoubleArray(cvrpData.Demands);
50      if (cvrpData.DistanceMeasure != DistanceMeasure.Euclidean) {
51        problem.UseDistanceMatrix.Value = true;
52        problem.DistanceMatrix = new DoubleMatrix(cvrpData.GetDistanceMatrix());
53      }
54      result.ProblemInstance = problem;
55
56      result.BestKnownQuality = cvrpData.BestKnownQuality;
57      if (cvrpData.BestKnownTour != null) {
58        PotvinEncoding solution = new PotvinEncoding(problem);
59
60        for(int i = 0; i < cvrpData.BestKnownTour.GetLength(0); i++) {
61          Tour tour = new Tour();
62          solution.Tours.Add(tour);
63
64          foreach (int stop in cvrpData.BestKnownTour[i]) {
65            tour.Stops.Add(stop + 1);
66          }
67        }
68       
69        result.BestKnownSolution = solution;
70      }
71
72      return result;
73    }
74  }
75}
Note: See TracBrowser for help on using the repository browser.