Chapter 10. Using OptaWeb Vehicle Routing

Procedure

1. In OptaWeb Vehicle Routing, click Demo to open the Demo tab.
2. Use the blue minus and plus buttons above the map to set the number of vehicles. Each vehicle has a default capacity of 10.

3. Use the plus button in a square on the map to zoom in as required.

   Note

   Do not double-click to zoom in. A double click also creates a location.

4. Click a location for the depot.
5. Click other locations on the map for delivery points.

6. If you want to delete a location:

   1. Hover the mouse cursor over the location to see the location name.
   2. Find the location name in the list in the left part of the screen.
   3. Click the X icon next to the name.

1. In OptaWeb Vehicle Routing, add a depot and a number of visits by clicking on the map or using geosearch.

2. Click Export and save the file in the data set_directory.

   Note

   The data set directory is the directory specified in the app.demo.data-set-dir property.

   If the application is running through the runLocally.sh script, the data set directory is set to $HOME/{VRP-DATA-DIR}/dataset.

   Otherwise, the property is from application.properties and defaults to optaweb-vehicle-routing-distribution-7.48.0.Final-redhat-00004/sources/optaweb-vehicle-routing-standalone/target/local/dataset.

   You can edit the app.demo.data-set-dir property to specify a diffent data directory.

3. Edit the YAML file and choose a unique name for the data set.
4. Restart the back end.

Procedure

1. To identify issues, review the back end terminal output log.

2. To resolve issues, remove the back end database:

   1. Stop the back end by pressing kbd:[Ctrl+C] in the back end terminal window.
   2. Remove the directory optaweb-vehicle-routing/optaweb-vehicle-routing-backend/local/db.
   3. Restart OptaWeb Vehicle Routing.