From 8195ef061885c833ba3250b9dc1c318459c2565e Mon Sep 17 00:00:00 2001 From: Stefan Schroeder <4sschroeder@gmail.com> Date: Mon, 2 Sep 2013 17:19:22 +0200 Subject: [PATCH] add files for examples --- jsprit-examples/input/R101.txt | 110 ++ .../input/deliveries_solomon_c101.xml | 1235 +++++++++++++++++ ...and_deliveries_solomon_withoutTWs_c101.xml | 1235 +++++++++++++++++ ...pickups_and_deliveries_tw_solomon_c101.xml | 1235 +++++++++++++++++ ...pickups_and_deliveries_tw_solomon_r101.xml | 1235 +++++++++++++++++ .../input/pickups_solomon_c101.xml | 1235 +++++++++++++++++ .../examples/PickupAndDeliveryExample.java | 88 ++ .../java/examples/SolomonR101Example.java | 104 ++ .../examples/VRPWithBackhaulsExample.java | 88 ++ 9 files changed, 6565 insertions(+) create mode 100644 jsprit-examples/input/R101.txt create mode 100644 jsprit-examples/input/deliveries_solomon_c101.xml create mode 100644 jsprit-examples/input/pickups_and_deliveries_solomon_withoutTWs_c101.xml create mode 100644 jsprit-examples/input/pickups_and_deliveries_tw_solomon_c101.xml create mode 100644 jsprit-examples/input/pickups_and_deliveries_tw_solomon_r101.xml create mode 100644 jsprit-examples/input/pickups_solomon_c101.xml create mode 100644 jsprit-examples/src/main/java/examples/PickupAndDeliveryExample.java create mode 100644 jsprit-examples/src/main/java/examples/SolomonR101Example.java create mode 100644 jsprit-examples/src/main/java/examples/VRPWithBackhaulsExample.java diff --git a/jsprit-examples/input/R101.txt b/jsprit-examples/input/R101.txt new file mode 100644 index 00000000..8a9b6e59 --- /dev/null +++ b/jsprit-examples/input/R101.txt @@ -0,0 +1,110 @@ +R101 + +VEHICLE +NUMBER CAPACITY + 25 200 + +CUSTOMER +CUST NO. XCOORD. YCOORD. 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+ + + + [x=44.0][y=5.0] + + 20 + 90.0 + + + 286.0 + 347.0 + + + + + [x=42.0][y=10.0] + + 40 + 90.0 + + + 186.0 + 257.0 + + + + + [x=26.0][y=32.0] + + 10 + 90.0 + + + 815.0 + 880.0 + + + + + diff --git a/jsprit-examples/src/main/java/examples/PickupAndDeliveryExample.java b/jsprit-examples/src/main/java/examples/PickupAndDeliveryExample.java new file mode 100644 index 00000000..f851366d --- /dev/null +++ b/jsprit-examples/src/main/java/examples/PickupAndDeliveryExample.java @@ -0,0 +1,88 @@ +package examples; + +import java.io.File; +import java.util.Collection; + +import algorithms.VehicleRoutingAlgorithms; +import algorithms.selectors.SelectBest; +import analysis.AlgorithmSearchProgressChartListener; +import analysis.SolutionPlotter; +import analysis.SolutionPrinter; +import analysis.SolutionPrinter.Print; +import basics.VehicleRoutingAlgorithm; +import basics.VehicleRoutingProblem; +import basics.VehicleRoutingProblemSolution; +import basics.VehicleRoutingProblem.Constraint; +import basics.io.VrpXMLReader; + +public class PickupAndDeliveryExample { + + 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_tw_solomon_r101.xml"); + + /* + * Finally, the problem can be built. By default, transportCosts are crowFlyDistances (as usually used for vrp-instances). + */ + + VehicleRoutingProblem vrp = vrpBuilder.build(); + + SolutionPlotter.plotVrpAsPNG(vrp, "output/pd_solomon_r101.png", "pd_r101"); + + /* + * 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_solomon.xml"); + 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, Print.VERBOSE); + + /* + * Plot solution. + */ + SolutionPlotter.plotSolutionAsPNG(vrp, solution, "output/pd_solomon_r101_solution.png","pd_r101"); + + + + + } + +} diff --git a/jsprit-examples/src/main/java/examples/SolomonR101Example.java b/jsprit-examples/src/main/java/examples/SolomonR101Example.java new file mode 100644 index 00000000..9a490568 --- /dev/null +++ b/jsprit-examples/src/main/java/examples/SolomonR101Example.java @@ -0,0 +1,104 @@ +/******************************************************************************* + * Copyright (C) 2013 Stefan Schroeder + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Contributors: + * Stefan Schroeder - initial API and implementation + ******************************************************************************/ +package examples; + +import java.io.File; +import java.util.Collection; + +import readers.SolomonReader; +import algorithms.VehicleRoutingAlgorithms; +import algorithms.selectors.SelectBest; +import analysis.SolutionPlotter; +import analysis.SolutionPrinter; +import analysis.SolutionPrinter.Print; +import basics.VehicleRoutingAlgorithm; +import basics.VehicleRoutingProblem; +import basics.VehicleRoutingProblemSolution; + +public class SolomonR101Example { + + 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 SolomonReader(vrpBuilder).read("input/R101.txt"); + + /* + * Finally, the problem can be built. By default, transportCosts are crowFlyDistances (as usually used for vrp-instances). + */ + VehicleRoutingProblem vrp = vrpBuilder.build(); + + SolutionPlotter.plotVrpAsPNG(vrp, "output/solomon_R101.png", "R101"); + + /* + * 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_solomon.xml"); +// 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, Print.VERBOSE); + + /* + * Plot solution. + */ + SolutionPlotter.plotSolutionAsPNG(vrp, solution, "output/solomon_R101_solution.png","R101"); + + + + } + +} diff --git a/jsprit-examples/src/main/java/examples/VRPWithBackhaulsExample.java b/jsprit-examples/src/main/java/examples/VRPWithBackhaulsExample.java new file mode 100644 index 00000000..5c142589 --- /dev/null +++ b/jsprit-examples/src/main/java/examples/VRPWithBackhaulsExample.java @@ -0,0 +1,88 @@ +package examples; + +import java.io.File; +import java.util.Collection; + +import algorithms.VehicleRoutingAlgorithms; +import algorithms.selectors.SelectBest; +import analysis.AlgorithmSearchProgressChartListener; +import analysis.SolutionPlotter; +import analysis.SolutionPrinter; +import analysis.SolutionPrinter.Print; +import basics.VehicleRoutingAlgorithm; +import basics.VehicleRoutingProblem; +import basics.VehicleRoutingProblemSolution; +import basics.VehicleRoutingProblem.Constraint; +import basics.io.VrpXMLReader; + +public class VRPWithBackhaulsExample { + + 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_tw_solomon_r101.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(); + + SolutionPlotter.plotVrpAsPNG(vrp, "output/pd_solomon_r101.png", "pd_r101"); + + /* + * 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_solomon.xml"); + 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, Print.VERBOSE); + + /* + * Plot solution. + */ + SolutionPlotter.plotSolutionAsPNG(vrp, solution, "output/pd_withBackhauls_solomon_r101_solution.png","pd_withBackhauls_r101"); + + + + + } + +}