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add MultipleDepotExamples

This commit is contained in:
Stefan Schroeder 2013-06-18 14:08:48 +02:00
parent cc8f0ed2d8
commit c55af1ce59
4 changed files with 209 additions and 368 deletions

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@ -1,368 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?>
<problem xmlns="http://www.w3schools.com" <problem xmlns="http://www.w3schools.com"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.w3schools.com vrp_xml_schema.xsd"> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.w3schools.com vrp_xml_schema.xsd">
<problemType>
<fleetSize>FINITE</fleetSize>
<fleetComposition>HOMOGENEOUS</fleetComposition>
</problemType>
<vehicles>
<vehicle>
<id>1_1_cordeauVehicle</id>
<typeId>1_cordeauType</typeId>
<location>
<id>[x=-33.0][y=33.0]</id>
<coord x="-33.0" y="33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>1_2_cordeauVehicle</id>
<typeId>1_cordeauType</typeId>
<location>
<id>[x=-33.0][y=33.0]</id>
<coord x="-33.0" y="33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>1_3_cordeauVehicle</id>
<typeId>1_cordeauType</typeId>
<location>
<id>[x=-33.0][y=33.0]</id>
<coord x="-33.0" y="33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>1_4_cordeauVehicle</id>
<typeId>1_cordeauType</typeId>
<location>
<id>[x=-33.0][y=33.0]</id>
<coord x="-33.0" y="33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>1_5_cordeauVehicle</id>
<typeId>1_cordeauType</typeId>
<location>
<id>[x=-33.0][y=33.0]</id>
<coord x="-33.0" y="33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>1_6_cordeauVehicle</id>
<typeId>1_cordeauType</typeId>
<location>
<id>[x=-33.0][y=33.0]</id>
<coord x="-33.0" y="33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>1_7_cordeauVehicle</id>
<typeId>1_cordeauType</typeId>
<location>
<id>[x=-33.0][y=33.0]</id>
<coord x="-33.0" y="33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>1_8_cordeauVehicle</id>
<typeId>1_cordeauType</typeId>
<location>
<id>[x=-33.0][y=33.0]</id>
<coord x="-33.0" y="33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>1_9_cordeauVehicle</id>
<typeId>1_cordeauType</typeId>
<location>
<id>[x=-33.0][y=33.0]</id>
<coord x="-33.0" y="33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>1_10_cordeauVehicle</id>
<typeId>1_cordeauType</typeId>
<location>
<id>[x=-33.0][y=33.0]</id>
<coord x="-33.0" y="33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>1_11_cordeauVehicle</id>
<typeId>1_cordeauType</typeId>
<location>
<id>[x=-33.0][y=33.0]</id>
<coord x="-33.0" y="33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>1_12_cordeauVehicle</id>
<typeId>1_cordeauType</typeId>
<location>
<id>[x=-33.0][y=33.0]</id>
<coord x="-33.0" y="33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>1_13_cordeauVehicle</id>
<typeId>1_cordeauType</typeId>
<location>
<id>[x=-33.0][y=33.0]</id>
<coord x="-33.0" y="33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>1_14_cordeauVehicle</id>
<typeId>1_cordeauType</typeId>
<location>
<id>[x=-33.0][y=33.0]</id>
<coord x="-33.0" y="33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>2_1_cordeauVehicle</id>
<typeId>2_cordeauType</typeId>
<location>
<id>[x=33.0][y=-33.0]</id>
<coord x="33.0" y="-33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>2_2_cordeauVehicle</id>
<typeId>2_cordeauType</typeId>
<location>
<id>[x=33.0][y=-33.0]</id>
<coord x="33.0" y="-33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>2_3_cordeauVehicle</id>
<typeId>2_cordeauType</typeId>
<location>
<id>[x=33.0][y=-33.0]</id>
<coord x="33.0" y="-33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>2_4_cordeauVehicle</id>
<typeId>2_cordeauType</typeId>
<location>
<id>[x=33.0][y=-33.0]</id>
<coord x="33.0" y="-33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>2_5_cordeauVehicle</id>
<typeId>2_cordeauType</typeId>
<location>
<id>[x=33.0][y=-33.0]</id>
<coord x="33.0" y="-33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>2_6_cordeauVehicle</id>
<typeId>2_cordeauType</typeId>
<location>
<id>[x=33.0][y=-33.0]</id>
<coord x="33.0" y="-33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>2_7_cordeauVehicle</id>
<typeId>2_cordeauType</typeId>
<location>
<id>[x=33.0][y=-33.0]</id>
<coord x="33.0" y="-33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>2_8_cordeauVehicle</id>
<typeId>2_cordeauType</typeId>
<location>
<id>[x=33.0][y=-33.0]</id>
<coord x="33.0" y="-33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>2_9_cordeauVehicle</id>
<typeId>2_cordeauType</typeId>
<location>
<id>[x=33.0][y=-33.0]</id>
<coord x="33.0" y="-33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>2_10_cordeauVehicle</id>
<typeId>2_cordeauType</typeId>
<location>
<id>[x=33.0][y=-33.0]</id>
<coord x="33.0" y="-33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>2_11_cordeauVehicle</id>
<typeId>2_cordeauType</typeId>
<location>
<id>[x=33.0][y=-33.0]</id>
<coord x="33.0" y="-33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>2_12_cordeauVehicle</id>
<typeId>2_cordeauType</typeId>
<location>
<id>[x=33.0][y=-33.0]</id>
<coord x="33.0" y="-33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>2_13_cordeauVehicle</id>
<typeId>2_cordeauType</typeId>
<location>
<id>[x=33.0][y=-33.0]</id>
<coord x="33.0" y="-33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
<vehicle>
<id>2_14_cordeauVehicle</id>
<typeId>2_cordeauType</typeId>
<location>
<id>[x=33.0][y=-33.0]</id>
<coord x="33.0" y="-33.0"/>
</location>
<timeSchedule>
<start>0.0</start>
<end>310.0</end>
</timeSchedule>
</vehicle>
</vehicles>
<vehicleTypes>
<type>
<id>1_cordeauType</id>
<capacity>500</capacity>
<costs>
<fixed>0.0</fixed>
<distance>1.0</distance>
<time>0.0</time>
</costs>
</type>
<type>
<id>2_cordeauType</id>
<capacity>500</capacity>
<costs>
<fixed>0.0</fixed>
<distance>1.0</distance>
<time>0.0</time>
</costs>
</type>
</vehicleTypes>
<services> <services>
<service id="35" type="service"> <service id="35" type="service">
<locationId>35</locationId> <locationId>35</locationId>

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@ -0,0 +1,87 @@
package examples;
import java.util.Arrays;
import java.util.Collection;
import util.Coordinate;
import util.Solutions;
import algorithms.VehicleRoutingAlgorithms;
import analysis.AlgorithmSearchProgressChartListener;
import analysis.SolutionPlotter;
import analysis.SolutionPrinter;
import basics.VehicleRoutingAlgorithm;
import basics.VehicleRoutingProblem;
import basics.VehicleRoutingProblem.FleetSize;
import basics.VehicleRoutingProblemSolution;
import basics.io.VrpXMLReader;
import basics.route.Vehicle;
import basics.route.VehicleImpl;
import basics.route.VehicleImpl.VehicleType;
public class MultipleDepotExample {
/**
* @param args
*/
public static void main(String[] args) {
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
/*
* Read cordeau-instance p01, BUT only its services without any vehicles
*/
new VrpXMLReader(vrpBuilder).read("input/vrp_cordeau_01.xml");
/*
* add vehicles with its depots
* 4 depots:
* (20,20)
* (30,40)
* (50,30)
* (60,50)
*
* each with 4 vehicles each with a capacity of 80
*/
int nuOfVehicles = 4;
int capacity = 80;
Coordinate firstDepotCoord = Coordinate.newInstance(20, 20);
Coordinate second = Coordinate.newInstance(30, 40);
Coordinate third = Coordinate.newInstance(50, 30);
Coordinate fourth = Coordinate.newInstance(60, 50);
int depotCounter = 1;
for(Coordinate depotCoord : Arrays.asList(firstDepotCoord,second,third,fourth)){
for(int i=0;i<nuOfVehicles;i++){
VehicleType vehicleType = VehicleType.Builder.newInstance(depotCounter + "_" + (i+1) + "_type", capacity).setCostPerDistance(1.0).build();
Vehicle vehicle = VehicleImpl.VehicleBuilder.newInstance(depotCounter + "_" + (i+1) + "_vehicle").setLocationCoord(depotCoord).setType(vehicleType).build();
vrpBuilder.addVehicle(vehicle);
}
depotCounter++;
}
/*
* define problem with finite fleet
*/
vrpBuilder.setFleetSize(FleetSize.FINITE);
/*
* build the problem
*/
VehicleRoutingProblem vrp = vrpBuilder.build();
/*
* plot to see how the problem looks like
*/
SolutionPlotter.plotVrpAsPNG(vrp, "output/problem01.png", "p01");
/*
* solve the problem
*/
VehicleRoutingAlgorithm vra = VehicleRoutingAlgorithms.readAndCreateAlgorithm(vrp, "input/algorithmConfig.xml");
Collection<VehicleRoutingProblemSolution> solutions = vra.searchSolutions();
SolutionPrinter.print(Solutions.getBest(solutions));
SolutionPlotter.plotSolutionAsPNG(vrp, Solutions.getBest(solutions), "output/p01_solution.png", "p01");
}
}

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@ -0,0 +1,105 @@
package examples;
import java.util.Arrays;
import java.util.Collection;
import util.Coordinate;
import util.Solutions;
import algorithms.VehicleRoutingAlgorithms;
import analysis.AlgorithmSearchProgressChartListener;
import analysis.SolutionPlotter;
import analysis.SolutionPrinter;
import basics.VehicleRoutingAlgorithm;
import basics.VehicleRoutingProblem;
import basics.VehicleRoutingProblem.FleetSize;
import basics.VehicleRoutingProblemSolution;
import basics.io.VrpXMLReader;
import basics.route.Vehicle;
import basics.route.VehicleImpl;
import basics.route.VehicleImpl.VehicleType;
public class MultipleDepotExampleWithPenaltyVehicles {
/**
* @param args
*/
public static void main(String[] args) {
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
/*
* Read cordeau-instance p01, BUT only its services without any vehicles
*/
new VrpXMLReader(vrpBuilder).read("input/vrp_cordeau_08.xml");
/*
* add vehicles with its depots
* 2 depots:
* (-33,33)
* (33,-33)
*
* each with 14 vehicles each with a capacity of 500 and a maximum duration of 310
*/
int nuOfVehicles = 14;
int capacity = 500;
double maxDuration = 310;
Coordinate firstDepotCoord = Coordinate.newInstance(-33, 33);
Coordinate second = Coordinate.newInstance(33, -33);
/*
* number of penalty vehicles
*/
int nuOfPenaltyVehicles = 4;
int depotCounter = 1;
for(Coordinate depotCoord : Arrays.asList(firstDepotCoord,second)){
for(int i=0;i<nuOfVehicles;i++){
VehicleType vehicleType = VehicleType.Builder.newInstance(depotCounter + "_" + (i+1) + "_type", capacity).setCostPerDistance(1.0).build();
String vehicleId = depotCounter + "_" + (i+1) + "_vehicle";
VehicleImpl.VehicleBuilder vehicleBuilder = VehicleImpl.VehicleBuilder.newInstance(vehicleId);
vehicleBuilder.setLocationCoord(depotCoord);
vehicleBuilder.setType(vehicleType);
vehicleBuilder.setLatestArrival(maxDuration);
Vehicle vehicle = vehicleBuilder.build();
vrpBuilder.addVehicle(vehicle);
}
for(int i=0;i<nuOfPenaltyVehicles;i++){
VehicleType penaltyType = VehicleType.Builder.newInstance(depotCounter + "_" + (i+1) + "_penaltyType", capacity).setFixedCost(50).setCostPerDistance(3.0).build();
String vehicleId = depotCounter + "_" + (i+1) + "_penaltyVehicle";
VehicleImpl.VehicleBuilder vehicleBuilder = VehicleImpl.VehicleBuilder.newInstance(vehicleId);
vehicleBuilder.setLocationCoord(depotCoord);
vehicleBuilder.setType(penaltyType);
vehicleBuilder.setLatestArrival(maxDuration);
Vehicle penaltyVehicle = vehicleBuilder.build();
vrpBuilder.addVehicle(penaltyVehicle);
}
depotCounter++;
}
/*
* define problem with finite fleet
*/
vrpBuilder.setFleetSize(FleetSize.FINITE);
/*
* build the problem
*/
VehicleRoutingProblem vrp = vrpBuilder.build();
/*
* plot to see how the problem looks like
*/
SolutionPlotter.plotVrpAsPNG(vrp, "output/problem08.png", "p08");
/*
* solve the problem
*/
VehicleRoutingAlgorithm vra = VehicleRoutingAlgorithms.readAndCreateAlgorithm(vrp, "input/algorithmConfig.xml");
Collection<VehicleRoutingProblemSolution> solutions = vra.searchSolutions();
SolutionPrinter.print(Solutions.getBest(solutions));
SolutionPlotter.plotSolutionAsPNG(vrp, Solutions.getBest(solutions), "output/p08_solution.png", "p08");
}
}

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@ -59,11 +59,19 @@ public class CordeauReader {
private double coordProjectionFactor = 1; private double coordProjectionFactor = 1;
private boolean addPenaltyVehicles = false;
public CordeauReader(VehicleRoutingProblem.Builder vrpBuilder) { public CordeauReader(VehicleRoutingProblem.Builder vrpBuilder) {
super(); super();
this.vrpBuilder = vrpBuilder; this.vrpBuilder = vrpBuilder;
} }
public CordeauReader(VehicleRoutingProblem.Builder vrpBuilder, boolean penaltyVehicles) {
super();
this.vrpBuilder = vrpBuilder;
this.addPenaltyVehicles = penaltyVehicles;
}
public void read(String fileName){ public void read(String fileName){
vrpBuilder.setFleetSize(FleetSize.FINITE); vrpBuilder.setFleetSize(FleetSize.FINITE);
BufferedReader reader = getReader(fileName); BufferedReader reader = getReader(fileName);
@ -124,12 +132,14 @@ public class CordeauReader {
coord = vehicle.getCoord(); coord = vehicle.getCoord();
vrpBuilder.addVehicle(vehicle); vrpBuilder.addVehicle(vehicle);
} }
for(int i=0;i<5;i++){ if(addPenaltyVehicles){
VehicleType penaltyType = VehicleImpl.VehicleType.Builder.newInstance(counter + "_penaltyType", cap). for(int i=0;i<5;i++){
setCostPerDistance(3.0).setFixedCost(50).build(); VehicleType penaltyType = VehicleImpl.VehicleType.Builder.newInstance(counter + "_penaltyType", cap).
VehicleImpl penaltyVehicle = VehicleImpl.VehicleBuilder.newInstance(counter + "_" + (i+1) + "_penaltyVehicle").setLatestArrival(latestArrTime) setCostPerDistance(3.0).setFixedCost(50).build();
.setType(penaltyType).setLocationCoord(coord).build(); VehicleImpl penaltyVehicle = VehicleImpl.VehicleBuilder.newInstance(counter + "_" + (i+1) + "_penaltyVehicle").setLatestArrival(latestArrTime)
vrpBuilder.addVehicle(penaltyVehicle); .setType(penaltyType).setLocationCoord(coord).build();
vrpBuilder.addVehicle(penaltyVehicle);
}
} }
depotCounter++; depotCounter++;
} }