From a34d9ab2c68c14e47b5efda9d2ad520cb5af4aae Mon Sep 17 00:00:00 2001 From: Stefan Schroeder <4sschroeder@gmail.com> Date: Wed, 29 Jan 2014 19:10:32 +0100 Subject: [PATCH] add examples --- .../input/algorithmConfig_fix_schrimpf.xml | 52 + ...omon_specifiedVehicleEndLocations_c101.xml | 1240 +++++++++++++++++ ...utTWs_and_specifiedVehicleEndLocations.xml | 1239 ++++++++++++++++ ...ampleWithSpecifiedVehicleEndLocations.java | 109 ++ ...pecifiedVehicleEndLocationsWithoutTWs.java | 109 ++ 5 files changed, 2749 insertions(+) create mode 100755 jsprit-examples/input/algorithmConfig_fix_schrimpf.xml create mode 100644 jsprit-examples/input/deliveries_solomon_specifiedVehicleEndLocations_c101.xml create mode 100644 jsprit-examples/input/pickups_and_deliveries_solomon_c101_withoutTWs_and_specifiedVehicleEndLocations.xml create mode 100644 jsprit-examples/src/main/java/jsprit/examples/SolomonExampleWithSpecifiedVehicleEndLocations.java create mode 100644 jsprit-examples/src/main/java/jsprit/examples/SolomonExampleWithSpecifiedVehicleEndLocationsWithoutTWs.java diff --git a/jsprit-examples/input/algorithmConfig_fix_schrimpf.xml b/jsprit-examples/input/algorithmConfig_fix_schrimpf.xml new file mode 100755 index 00000000..ab7f6d05 --- /dev/null +++ b/jsprit-examples/input/algorithmConfig_fix_schrimpf.xml @@ -0,0 +1,52 @@ + + + + + 2000 + + + + true + + + + + 1 + + + + + + 0.05 + 20 + + + + + 0.5 + + + + + 0.5 + + + + + + + + + 0.3 + + + + + 0.5 + + + + + + diff --git a/jsprit-examples/input/deliveries_solomon_specifiedVehicleEndLocations_c101.xml b/jsprit-examples/input/deliveries_solomon_specifiedVehicleEndLocations_c101.xml new file mode 100644 index 00000000..da1e27ce --- /dev/null +++ b/jsprit-examples/input/deliveries_solomon_specifiedVehicleEndLocations_c101.xml @@ -0,0 +1,1240 @@ + + + + INFINITE + HOMOGENEOUS + + + + solomonVehicle + solomonType + + 0 + + + + 101 + + + + 0.0 + 1236.0 + + true + + + + + solomonType + 200 + + 1000.0 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[x=42.0][y=15.0] + + 10 + 90.0 + + + 0.0 + 1.7976931348623157E308 + + + + + [x=48.0][y=30.0] + + 10 + 90.0 + + + 0.0 + 1.7976931348623157E308 + + + + + [x=48.0][y=40.0] + + 10 + 90.0 + + + 0.0 + 1.7976931348623157E308 + + + + + [x=50.0][y=35.0] + + 20 + 90.0 + + + 0.0 + 1.7976931348623157E308 + + + + + [x=50.0][y=40.0] + + 50 + 90.0 + + + 0.0 + 1.7976931348623157E308 + + + + + [x=35.0][y=5.0] + + 20 + 90.0 + + + 0.0 + 1.7976931348623157E308 + + + + + [x=50.0][y=30.0] + + 10 + 90.0 + + + 0.0 + 1.7976931348623157E308 + + + + + [x=28.0][y=35.0] + + 10 + 90.0 + + + 0.0 + 1.7976931348623157E308 + + + + + [x=28.0][y=30.0] + + 10 + 90.0 + + + 0.0 + 1.7976931348623157E308 + + + + + [x=30.0][y=30.0] + + 10 + 90.0 + + + 0.0 + 1.7976931348623157E308 + + + + + [x=32.0][y=30.0] + + 10 + 90.0 + + + 0.0 + 1.7976931348623157E308 + + + + + [x=30.0][y=35.0] + + 10 + 90.0 + + + 0.0 + 1.7976931348623157E308 + + + + + [x=30.0][y=32.0] + + 30 + 90.0 + + + 0.0 + 1.7976931348623157E308 + + + + + [x=25.0][y=30.0] + + 10 + 90.0 + + + 0.0 + 1.7976931348623157E308 + + + + + [x=25.0][y=35.0] + + 10 + 90.0 + + + 0.0 + 1.7976931348623157E308 + + + + + [x=44.0][y=5.0] + + 20 + 90.0 + + + 0.0 + 1.7976931348623157E308 + + + + + [x=42.0][y=10.0] + + 40 + 90.0 + + + 0.0 + 1.7976931348623157E308 + + + + + [x=26.0][y=32.0] + + 10 + 90.0 + + + 0.0 + 1.7976931348623157E308 + + + + + diff --git a/jsprit-examples/src/main/java/jsprit/examples/SolomonExampleWithSpecifiedVehicleEndLocations.java b/jsprit-examples/src/main/java/jsprit/examples/SolomonExampleWithSpecifiedVehicleEndLocations.java new file mode 100644 index 00000000..9cb6b2c5 --- /dev/null +++ b/jsprit-examples/src/main/java/jsprit/examples/SolomonExampleWithSpecifiedVehicleEndLocations.java @@ -0,0 +1,109 @@ +/******************************************************************************* + * Copyright (C) 2013 Stefan Schroeder + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3.0 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library. If not, see . + ******************************************************************************/ +package jsprit.examples; + +import java.io.File; +import java.util.Collection; + +import jsprit.analysis.toolbox.AlgorithmSearchProgressChartListener; +import jsprit.analysis.toolbox.GraphStreamViewer; +import jsprit.analysis.toolbox.GraphStreamViewer.Label; +import jsprit.analysis.toolbox.Plotter; +import jsprit.analysis.toolbox.SolutionPrinter; +import jsprit.core.algorithm.VehicleRoutingAlgorithm; +import jsprit.core.algorithm.io.VehicleRoutingAlgorithms; +import jsprit.core.algorithm.selector.SelectBest; +import jsprit.core.problem.VehicleRoutingProblem; +import jsprit.core.problem.io.VrpXMLReader; +import jsprit.core.problem.solution.VehicleRoutingProblemSolution; + + +public class SolomonExampleWithSpecifiedVehicleEndLocations { + + public static void main(String[] args) { + /* + * some preparation - create output folder + */ + File dir = new File("output"); + // if the directory does not exist, create it + if (!dir.exists()){ + System.out.println("creating directory ./output"); + boolean result = dir.mkdir(); + if(result) System.out.println("./output created"); + } + + /* + * Build the problem. + * + * But define a problem-builder first. + */ + VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance(); + + /* + * A solomonReader reads solomon-instance files, and stores the required information in the builder. + */ + new VrpXMLReader(vrpBuilder).read("input/deliveries_solomon_specifiedVehicleEndLocations_c101.xml"); + + /* + * Finally, the problem can be built. By default, transportCosts are crowFlyDistances (as usually used for vrp-instances). + */ + VehicleRoutingProblem vrp = vrpBuilder.build(); + + Plotter pblmPlotter = new Plotter(vrp); + pblmPlotter.plot("output/solomon_C101_specifiedVehicleEndLocations.png","C101"); + + /* + * Define the required vehicle-routing algorithms to solve the above problem. + * + * The algorithm can be defined and configured in an xml-file. + */ +// VehicleRoutingAlgorithm vra = new SchrimpfFactory().createAlgorithm(vrp); + VehicleRoutingAlgorithm vra = VehicleRoutingAlgorithms.readAndCreateAlgorithm(vrp, "input/algorithmConfig_fix.xml"); + vra.setNuOfIterations(20000); +// vra.setPrematureBreak(100); + vra.getAlgorithmListeners().addListener(new AlgorithmSearchProgressChartListener("output/sol_progress.png")); + /* + * Solve the problem. + * + * + */ + Collection solutions = vra.searchSolutions(); + + /* + * Retrieve best solution. + */ + VehicleRoutingProblemSolution solution = new SelectBest().selectSolution(solutions); + + /* + * print solution + */ + SolutionPrinter.print(solution); + + /* + * Plot solution. + */ +// SolutionPlotter.plotSolutionAsPNG(vrp, solution, "output/solomon_C101_specifiedVehicleEndLocations_solution.png","C101"); + Plotter solPlotter = new Plotter(vrp, solution); + solPlotter.plot("output/solomon_C101_specifiedVehicleEndLocations_solution.png","C101"); + + + new GraphStreamViewer(vrp, solution).setRenderDelay(50).labelWith(Label.ID).setEnableAutoLayout(true).display(); + + + } + +} diff --git a/jsprit-examples/src/main/java/jsprit/examples/SolomonExampleWithSpecifiedVehicleEndLocationsWithoutTWs.java b/jsprit-examples/src/main/java/jsprit/examples/SolomonExampleWithSpecifiedVehicleEndLocationsWithoutTWs.java new file mode 100644 index 00000000..71dadb1f --- /dev/null +++ b/jsprit-examples/src/main/java/jsprit/examples/SolomonExampleWithSpecifiedVehicleEndLocationsWithoutTWs.java @@ -0,0 +1,109 @@ +/******************************************************************************* + * Copyright (C) 2013 Stefan Schroeder + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3.0 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library. If not, see . + ******************************************************************************/ +package jsprit.examples; + +import java.io.File; +import java.util.Collection; + +import jsprit.analysis.toolbox.GraphStreamViewer; +import jsprit.analysis.toolbox.GraphStreamViewer.Label; +import jsprit.analysis.toolbox.Plotter; +import jsprit.analysis.toolbox.SolutionPrinter; +import jsprit.core.algorithm.VehicleRoutingAlgorithm; +import jsprit.core.algorithm.io.VehicleRoutingAlgorithms; +import jsprit.core.algorithm.selector.SelectBest; +import jsprit.core.problem.VehicleRoutingProblem; +import jsprit.core.problem.io.VrpXMLReader; +import jsprit.core.problem.solution.VehicleRoutingProblemSolution; + + +public class SolomonExampleWithSpecifiedVehicleEndLocationsWithoutTWs { + + public static void main(String[] args) { + /* + * some preparation - create output folder + */ + File dir = new File("output"); + // if the directory does not exist, create it + if (!dir.exists()){ + System.out.println("creating directory ./output"); + boolean result = dir.mkdir(); + if(result) System.out.println("./output created"); + } + + /* + * Build the problem. + * + * But define a problem-builder first. + */ + VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance(); + + /* + * A solomonReader reads solomon-instance files, and stores the required information in the builder. + */ + new VrpXMLReader(vrpBuilder).read("input/pickups_and_deliveries_solomon_c101_withoutTWs_and_specifiedVehicleEndLocations.xml"); + + /* + * Finally, the problem can be built. By default, transportCosts are crowFlyDistances (as usually used for vrp-instances). + */ +// vrpBuilder.addProblemConstraint(Constraint.DELIVERIES_FIRST); + VehicleRoutingProblem vrp = vrpBuilder.build(); + + Plotter pblmPlotter = new Plotter(vrp); + pblmPlotter.plot("output/solomon_C101_specifiedVehicleEndLocations_withoutTWs.png","C101"); + + /* + * Define the required vehicle-routing algorithms to solve the above problem. + * + * The algorithm can be defined and configured in an xml-file. + */ +// VehicleRoutingAlgorithm vra = new SchrimpfFactory().createAlgorithm(vrp); + VehicleRoutingAlgorithm vra = VehicleRoutingAlgorithms.readAndCreateAlgorithm(vrp, "input/algorithmConfigWithSchrimpfAcceptance.xml"); + vra.setNuOfIterations(20000); +// vra.setPrematureBreak(100); +// vra.getAlgorithmListeners().addListener(new AlgorithmSearchProgressChartListener("output/sol_progress.png")); + /* + * Solve the problem. + * + * + */ + Collection solutions = vra.searchSolutions(); + + /* + * Retrieve best solution. + */ + VehicleRoutingProblemSolution solution = new SelectBest().selectSolution(solutions); + + /* + * print solution + */ + SolutionPrinter.print(solution); + + /* + * Plot solution. + */ +// SolutionPlotter.plotSolutionAsPNG(vrp, solution, "output/solomon_C101_specifiedVehicleEndLocations_solution.png","C101"); + Plotter solPlotter = new Plotter(vrp, solution); + solPlotter.plot("output/solomon_C101_specifiedVehicleEndLocations_withoutTWs_solution.png","C101"); + + + new GraphStreamViewer(vrp, solution).setRenderDelay(50).labelWith(Label.ID).setEnableAutoLayout(true).display(); + + + } + +}