Package jsprit.analysis.toolbox

Examples of jsprit.analysis.toolbox.AlgorithmSearchProgressChartListener

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     */
//    VehicleRoutingAlgorithm vra = new SchrimpfFactory().createAlgorithm(vrp);
    VehicleRoutingAlgorithm vra = VehicleRoutingAlgorithms.readAndCreateAlgorithm(vrp, "input/algorithmConfig.xml");
        vra.setMaxIterations(20000);
//    vra.setPrematureBreak(100);
    vra.getAlgorithmListeners().addListener(new AlgorithmSearchProgressChartListener("output/sol_progress.png"));
    /*
     * Solve the problem.
     *
     *
     */
 
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     */
//    VehicleRoutingAlgorithm vra = new SchrimpfFactory().createAlgorithm(vrp);
    VehicleRoutingAlgorithm vra = VehicleRoutingAlgorithms.readAndCreateAlgorithm(vrp, "input/algorithmConfig_fix.xml");
    vra.setMaxIterations(20000);
//    vra.setPrematureBreak(100);
    vra.getAlgorithmListeners().addListener(new AlgorithmSearchProgressChartListener("output/sol_progress.png"));
    /*
     * Solve the problem.
     *
     *
     */
 
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     *
     * The algorithm can be defined and configured in an xml-file.
     */
//    VehicleRoutingAlgorithm vra = new SchrimpfFactory().createAlgorithm(vrp);
    VehicleRoutingAlgorithm vra = VehicleRoutingAlgorithms.readAndCreateAlgorithm(vrp, "input/algorithmConfig_solomon.xml");
    vra.getAlgorithmListeners().addListener(new AlgorithmSearchProgressChartListener("output/sol_progress.png"));
    /*
     * Solve the problem.
     *
     *
     */
 
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     *
     * The algorithm can be defined and configured in an xml-file.
     */
//    VehicleRoutingAlgorithm vra = new SchrimpfFactory().createAlgorithm(vrp);
    VehicleRoutingAlgorithm vra = VehicleRoutingAlgorithms.readAndCreateAlgorithm(vrp, "input/algorithmConfig_open.xml");
    vra.getAlgorithmListeners().addListener(new AlgorithmSearchProgressChartListener("output/sol_progress.png"));
    /*
     * Solve the problem.
     *
     *
     */
 
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    /*
     * Get schrimpf with threshold accepting
     * Note that Priority.LOW is a way to priorize AlgorithmListeners
     */
    VehicleRoutingAlgorithm vra_withThreshold = new SchrimpfFactory().createAlgorithm(vrp);
    vra_withThreshold.getAlgorithmListeners().addListener(new AlgorithmSearchProgressChartListener("output/schrimpfThreshold_progress.png"), Priority.LOW);
    vra_withThreshold.getAlgorithmListeners().addListener(new StopWatch(), Priority.HIGH);
    /*
     * Get greedy schrimpf
     */
    VehicleRoutingAlgorithm vra_greedy = new GreedySchrimpfFactory().createAlgorithm(vrp);
    vra_greedy.getAlgorithmListeners().addListener(new AlgorithmSearchProgressChartListener("output/schrimpfGreedy_progress.png"), Priority.LOW);
    vra_greedy.getAlgorithmListeners().addListener(new StopWatch(), Priority.HIGH);

    /*
     * run both
     */
 
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    /*
     * solve the problem
     */
    VehicleRoutingAlgorithm vra = VehicleRoutingAlgorithms.readAndCreateAlgorithm(vrp, "input/algorithmConfigWithSchrimpfAcceptance.xml");
    vra.getAlgorithmListeners().addListener(new StopWatch(),Priority.HIGH);
    vra.getAlgorithmListeners().addListener(new AlgorithmSearchProgressChartListener("output/progress.png"));
    Collection<VehicleRoutingProblemSolution> solutions = vra.searchSolutions();
   
    SolutionPrinter.print(Solutions.bestOf(solutions));
   
    new Plotter(vrp, Solutions.bestOf(solutions)).plot("output/p01_solution.png", "p01");
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    //results might even be a bit better, but it is slower, since it checks insertion on routeLevel
    //rather than on local level
    VehicleRoutingAlgorithm vra = VehicleRoutingAlgorithms.readAndCreateAlgorithm(vrp, "input/algorithmConfig_considerFixedCosts.xml");
    vra.setMaxIterations(10000);
//    vra.setPrematureAlgorithmTermination(new IterationWithoutImprovementTermination(500));
    vra.addListener(new AlgorithmSearchProgressChartListener("output/progress.png"));
    Collection<VehicleRoutingProblemSolution> solutions = vra.searchSolutions();
   
    VehicleRoutingProblemSolution best = Solutions.bestOf(solutions);
   
    SolutionPrinter.print(vrp, best, SolutionPrinter.Print.VERBOSE);
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        StateManager stateManager = new StateManager(vrp);
        ConstraintManager constraintManager = new ConstraintManager(vrp,stateManager);
        constraintManager.addConstraint(new ServiceDeliveriesFirstConstraint(), ConstraintManager.Priority.CRITICAL);
        vraBuilder.setStateAndConstraintManager(stateManager,constraintManager);
        VehicleRoutingAlgorithm vra = vraBuilder.build();
        vra.getAlgorithmListeners().addListener(new AlgorithmSearchProgressChartListener("output/sol_progress.png"));
    /*
     * Solve the problem.
     *
     *
     */
 
View Full Code Here
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     *
     * The algorithm can be defined and configured in an xml-file.
     */
//    VehicleRoutingAlgorithm vra = new SchrimpfFactory().createAlgorithm(vrp);
    VehicleRoutingAlgorithm vra = VehicleRoutingAlgorithms.readAndCreateAlgorithm(vrp, "input/algorithmConfig_solomon.xml");
    vra.getAlgorithmListeners().addListener(new AlgorithmSearchProgressChartListener("output/sol_progress.png"));
    /*
     * Solve the problem.
     *
     *
     */
 
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Related Classes of jsprit.analysis.toolbox.AlgorithmSearchProgressChartListener

  • jsprit.examples.CompareAlgorithmExample
  • jsprit.examples.HVRPBenchmarkExample
  • jsprit.examples.MultipleDepotExample
  • jsprit.examples.PickupAndDeliveryExample
  • jsprit.examples.PickupAndDeliveryExample2
  • jsprit.examples.PickupAndDeliveryOpenExample
  • jsprit.examples.SolomonExampleWithSpecifiedVehicleEndLocations
  • jsprit.examples.SolomonR101Example
  • jsprit.examples.VRPWithBackhaulsExample
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