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

comply with .editorconfig

Browse source
This commit is contained in:
oblonski 2015-08-29 12:46:52 +02:00
parent 58afc3590d
commit 33075b479f
416 changed files with 29653 additions and 29979 deletions
Download patch file Download diff file Expand all files Collapse all files

94
jsprit-examples/src/main/java/jsprit/examples/MultipleDepotExample2.java
View file

@ -11,7 +11,7 @@
* 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
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
package jsprit.examples;
@ -43,59 +43,59 @@ import java.util.Collection;
public class MultipleDepotExample2 {
public static void main(String[] args) {
/*
public static void main(String[] args) {
/*
* some preparation - create output folder
*/
Examples.createOutputFolder();
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
Examples.createOutputFolder();
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
/*
* Read cordeau-instance p01, BUT only its services without any vehicles
* Read cordeau-instance p01, BUT only its services without any vehicles
*/
new CordeauReader(vrpBuilder).read("input/p08");
new CordeauReader(vrpBuilder).read("input/p08");
/*
* 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 = 13;
int capacity = 500;
double maxDuration = 310;
Coordinate firstDepotCoord = Coordinate.newInstance(-33, 33);
Coordinate second = Coordinate.newInstance(33, -33);
int depotCounter = 1;
for(Coordinate depotCoord : Arrays.asList(firstDepotCoord,second)){
for(int i=0;i<nuOfVehicles;i++){
VehicleType vehicleType = VehicleTypeImpl.Builder.newInstance(depotCounter + "_type")
.addCapacityDimension(0, capacity).setCostPerDistance(1.0).build();
String vehicleId = depotCounter + "_" + (i+1) + "_vehicle";
VehicleImpl.Builder vehicleBuilder = VehicleImpl.Builder.newInstance(vehicleId);
vehicleBuilder.setStartLocation(Location.newInstance(depotCoord.getX(),depotCoord.getY()));
vehicleBuilder.setType(vehicleType);
vehicleBuilder.setLatestArrival(maxDuration);
VehicleImpl vehicle = vehicleBuilder.build();
vrpBuilder.addVehicle(vehicle);
}
depotCounter++;
}
int nuOfVehicles = 13;
int capacity = 500;
double maxDuration = 310;
Coordinate firstDepotCoord = Coordinate.newInstance(-33, 33);
Coordinate second = Coordinate.newInstance(33, -33);
int depotCounter = 1;
for (Coordinate depotCoord : Arrays.asList(firstDepotCoord, second)) {
for (int i = 0; i < nuOfVehicles; i++) {
VehicleType vehicleType = VehicleTypeImpl.Builder.newInstance(depotCounter + "_type")
.addCapacityDimension(0, capacity).setCostPerDistance(1.0).build();
String vehicleId = depotCounter + "_" + (i + 1) + "_vehicle";
VehicleImpl.Builder vehicleBuilder = VehicleImpl.Builder.newInstance(vehicleId);
vehicleBuilder.setStartLocation(Location.newInstance(depotCoord.getX(), depotCoord.getY()));
vehicleBuilder.setType(vehicleType);
vehicleBuilder.setLatestArrival(maxDuration);
VehicleImpl vehicle = vehicleBuilder.build();
vrpBuilder.addVehicle(vehicle);
}
depotCounter++;
}
/*
* define problem with finite fleet
*/
vrpBuilder.setFleetSize(FleetSize.FINITE);
vrpBuilder.setFleetSize(FleetSize.FINITE);
/*
* build the problem
*/
VehicleRoutingProblem vrp = vrpBuilder.build();
VehicleRoutingProblem vrp = vrpBuilder.build();
/*
* plot to see how the problem looks like
*/
@ -104,17 +104,17 @@ public class MultipleDepotExample2 {
/*
* solve the problem
*/
VehicleRoutingAlgorithm vra = Jsprit.Builder.newInstance(vrp).setProperty(Jsprit.Parameter.THREADS,"5").buildAlgorithm();
vra.setMaxIterations(2000);
vra.getAlgorithmListeners().addListener(new StopWatch(),Priority.HIGH);
vra.getAlgorithmListeners().addListener(new AlgorithmSearchProgressChartListener("output/progress.png"));
Collection<VehicleRoutingProblemSolution> solutions = vra.searchSolutions();
SolutionPrinter.print(vrp, Solutions.bestOf(solutions), jsprit.core.reporting.SolutionPrinter.Print.VERBOSE);
VehicleRoutingAlgorithm vra = Jsprit.Builder.newInstance(vrp).setProperty(Jsprit.Parameter.THREADS, "5").buildAlgorithm();
vra.setMaxIterations(2000);
vra.getAlgorithmListeners().addListener(new StopWatch(), Priority.HIGH);
vra.getAlgorithmListeners().addListener(new AlgorithmSearchProgressChartListener("output/progress.png"));
Collection<VehicleRoutingProblemSolution> solutions = vra.searchSolutions();
new Plotter(vrp, Solutions.bestOf(solutions)).plot("output/p08_solution.png", "p08");
new GraphStreamViewer(vrp,Solutions.bestOf(solutions)).setRenderDelay(50).display();
}
SolutionPrinter.print(vrp, Solutions.bestOf(solutions), jsprit.core.reporting.SolutionPrinter.Print.VERBOSE);
new Plotter(vrp, Solutions.bestOf(solutions)).plot("output/p08_solution.png", "p08");
new GraphStreamViewer(vrp, Solutions.bestOf(solutions)).setRenderDelay(50).display();
}
}