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oblonski 2015-12-11 17:40:41 +01:00
parent 0b3b07a7de
commit 02c3c96e9c
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jsprit-examples/src/main/java/jsprit/examples/SolomonExample.java
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@ -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;
@ -32,67 +32,67 @@ import java.util.Collection;
public class SolomonExample {
public static void main(String[] args) {
/*
* some preparation - create output folder
public static void main(String[] args) {
/*
* some preparation - create output folder
*/
Examples.createOutputFolder();
Examples.createOutputFolder();
/*
* Build the problem.
*
* Build the problem.
*
* But define a problem-builder first.
*/
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
/*
* A solomonReader reads solomon-instance files, and stores the required information in the builder.
* A solomonReader reads solomon-instance files, and stores the required information in the builder.
*/
new SolomonReader(vrpBuilder).read("input/C101_solomon.txt");
new SolomonReader(vrpBuilder).read("input/C101_solomon.txt");
/*
* Finally, the problem can be built. By default, transportCosts are crowFlyDistances (as usually used for vrp-instances).
* Finally, the problem can be built. By default, transportCosts are crowFlyDistances (as usually used for vrp-instances).
*/
VehicleRoutingProblem vrp = vrpBuilder.build();
VehicleRoutingProblem vrp = vrpBuilder.build();
new Plotter(vrp).plot("output/solomon_C101.png", "C101");
new Plotter(vrp).plot("output/solomon_C101.png", "C101");
/*
* Define the required vehicle-routing algorithms to solve the above problem.
*
* 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 = new SchrimpfFactory().createAlgorithm(vrp);
/*
* Solve the problem.
*
* Solve the problem.
*
*
*/
Collection<VehicleRoutingProblemSolution> solutions = vra.searchSolutions();
Collection<VehicleRoutingProblemSolution> solutions = vra.searchSolutions();
/*
* Retrieve best solution.
* Retrieve best solution.
*/
VehicleRoutingProblemSolution solution = new SelectBest().selectSolution(solutions);
VehicleRoutingProblemSolution solution = new SelectBest().selectSolution(solutions);
/*
* print solution
* print solution
*/
SolutionPrinter.print(vrp, solution, SolutionPrinter.Print.VERBOSE);
SolutionPrinter.print(vrp, solution, SolutionPrinter.Print.VERBOSE);
/*
* Plot solution.
* Plot solution.
*/
Plotter plotter = new Plotter(vrp,solution);
Plotter plotter = new Plotter(vrp, solution);
// plotter.setBoundingBox(30, 0, 50, 20);
plotter.plot("output/solomon_C101_solution.png", "C101");
plotter.plot("output/solomon_C101_solution.png", "C101");
new GraphStreamViewer(vrp,solution).setCameraView(30, 30, 0.25).labelWith(Label.ID).setRenderDelay(100).display();
}
new GraphStreamViewer(vrp, solution).setCameraView(30, 30, 0.25).labelWith(Label.ID).setRenderDelay(100).display();
}
}