trans/graphhopper-jsprit
1
0
Fork 0
mirror of https://github.com/graphhopper/jsprit.git synced 2020-01-24 07:45:05 +01:00
Code Issues Releases Wiki Activity

modify goldenReader to accomodate the various FSM and HVRP problems

Browse source
This commit is contained in:
oblonski 2014-01-15 07:13:14 -05:00
parent c723415839
commit 66df42ac2e
3 changed files with 158 additions and 38 deletions
Download patch file Download diff file Expand all files Collapse all files

109
jsprit-examples/src/main/java/jsprit/examples/VFMExample.java
View file

@ -1,5 +1,114 @@
package jsprit.examples;
import java.util.Collection;
import jsprit.analysis.toolbox.GraphStreamViewer;
import jsprit.analysis.toolbox.SolutionPrinter;
import jsprit.analysis.toolbox.SolutionPrinter.Print;
import jsprit.core.algorithm.VehicleRoutingAlgorithm;
import jsprit.core.algorithm.io.VehicleRoutingAlgorithms;
import jsprit.core.problem.VehicleRoutingProblem;
import jsprit.core.problem.VehicleRoutingProblem.FleetSize;
import jsprit.core.problem.job.Service;
import jsprit.core.problem.solution.VehicleRoutingProblemSolution;
import jsprit.core.problem.vehicle.VehicleImpl;
import jsprit.core.problem.vehicle.VehicleType;
import jsprit.core.problem.vehicle.VehicleTypeImpl;
import jsprit.core.util.Coordinate;
import jsprit.core.util.Solutions;
/**
* customers (id,x,y,demand)
* 1 22 22 18
* 2 36 26 26
* 3 21 45 11
* 4 45 35 30
* 5 55 20 21
* 6 33 34 19
* 7 50 50 15
* 8 55 45 16
* 9 26 59 29
* 10 40 66 26
* 11 55 65 37
* 12 35 51 16
* 13 62 35 12
* 14 62 57 31
* 15 62 24 8
* 16 21 36 19
* 17 33 44 20
* 18 9 56 13
* 19 62 48 15
* 20 66 14 22
*
* vehicles (id,cap,fixed costs, perDistance, #vehicles) at location (40,40)
* 1 120 1000 1.0 2
* 2 160 1500 1.1 1
* 3 300 3500 1.4 1
*
* @author schroeder
*
*/
public class VFMExample {
public static void main(String[] args) {
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
//add customers
vrpBuilder.addJob(Service.Builder.newInstance("1", 18).setCoord(Coordinate.newInstance(22, 22)).build());
vrpBuilder.addJob(Service.Builder.newInstance("2", 26).setCoord(Coordinate.newInstance(36, 26)).build());
vrpBuilder.addJob(Service.Builder.newInstance("3", 11).setCoord(Coordinate.newInstance(21, 45)).build());
vrpBuilder.addJob(Service.Builder.newInstance("4", 30).setCoord(Coordinate.newInstance(45, 35)).build());
vrpBuilder.addJob(Service.Builder.newInstance("5", 21).setCoord(Coordinate.newInstance(55, 20)).build());
vrpBuilder.addJob(Service.Builder.newInstance("6", 19).setCoord(Coordinate.newInstance(33, 34)).build());
vrpBuilder.addJob(Service.Builder.newInstance("7", 15).setCoord(Coordinate.newInstance(50, 50)).build());
vrpBuilder.addJob(Service.Builder.newInstance("8", 16).setCoord(Coordinate.newInstance(55, 45)).build());
vrpBuilder.addJob(Service.Builder.newInstance("9", 29).setCoord(Coordinate.newInstance(26, 59)).build());
vrpBuilder.addJob(Service.Builder.newInstance("10", 26).setCoord(Coordinate.newInstance(40, 66)).build());
vrpBuilder.addJob(Service.Builder.newInstance("11", 37).setCoord(Coordinate.newInstance(55, 56)).build());
vrpBuilder.addJob(Service.Builder.newInstance("12", 16).setCoord(Coordinate.newInstance(35, 51)).build());
vrpBuilder.addJob(Service.Builder.newInstance("13", 12).setCoord(Coordinate.newInstance(62, 35)).build());
vrpBuilder.addJob(Service.Builder.newInstance("14", 31).setCoord(Coordinate.newInstance(62, 57)).build());
vrpBuilder.addJob(Service.Builder.newInstance("15", 8).setCoord(Coordinate.newInstance(62, 24)).build());
vrpBuilder.addJob(Service.Builder.newInstance("16", 19).setCoord(Coordinate.newInstance(21, 36)).build());
vrpBuilder.addJob(Service.Builder.newInstance("17", 20).setCoord(Coordinate.newInstance(33, 44)).build());
vrpBuilder.addJob(Service.Builder.newInstance("18", 13).setCoord(Coordinate.newInstance(9, 56)).build());
vrpBuilder.addJob(Service.Builder.newInstance("19", 15).setCoord(Coordinate.newInstance(62, 48)).build());
vrpBuilder.addJob(Service.Builder.newInstance("20", 22).setCoord(Coordinate.newInstance(66, 14)).build());
//add vehicle - finite fleet
//fixed costs only (and equal variable costs)
//vehicle type1
VehicleType type1 = VehicleTypeImpl.Builder.newInstance("type_1", 120).setCostPerDistance(1.0).setFixedCost(1000).build();
VehicleImpl vehicle1 = VehicleImpl.Builder.newInstance("1_1").setLocationCoord(Coordinate.newInstance(40, 40)).setType(type1).build();
vrpBuilder.addVehicle(vehicle1);
//vehicle type2
VehicleType type2 = VehicleTypeImpl.Builder.newInstance("type_2", 160).setCostPerDistance(1.0).setFixedCost(1500).build();
VehicleImpl vehicle2 = VehicleImpl.Builder.newInstance("2_1").setLocationCoord(Coordinate.newInstance(40, 40)).setType(type2).build();
vrpBuilder.addVehicle(vehicle2);
//vehicle type3
VehicleType type3 = VehicleTypeImpl.Builder.newInstance("type_3", 300).setCostPerDistance(1.0).setFixedCost(3500).build();
VehicleImpl vehicle3 = VehicleImpl.Builder.newInstance("3_1").setLocationCoord(Coordinate.newInstance(40, 40)).setType(type3).build();
vrpBuilder.addVehicle(vehicle3);
//set fleetsize finite - which actually the default value, thus it does not need to be set
vrpBuilder.setFleetSize(FleetSize.INFINITE);
//build problem
VehicleRoutingProblem vrp = vrpBuilder.build();
VehicleRoutingAlgorithm vra = VehicleRoutingAlgorithms.readAndCreateAlgorithm(vrp, "input/algorithmConfigWithSchrimpfAcceptance.xml");
Collection<VehicleRoutingProblemSolution> solutions = vra.searchSolutions();
VehicleRoutingProblemSolution best = Solutions.bestOf(solutions);
SolutionPrinter.print(vrp, best, Print.VERBOSE);
new GraphStreamViewer(vrp, best).setRenderDelay(100).display();
}
}