GraphHopper is an open-source routing library for road networks that provides fast and efficient routing algorithms for different means of transportation. GraphHopper is written in Java, and it can be used to build routing applications or integrate its functionality into existing systems.
In this tutorial, we will show you how to install GraphHopper on Ubuntu Server Latest. We assume that you have a basic understanding of Ubuntu Server and are comfortable working with the command-line interface.
Before installing GraphHopper, make sure your system meets the following minimum requirements:
GraphHopper requires Java to run. If you don't have Java installed on your system, you can install it using the following command:
sudo apt-get update
sudo apt-get install default-jre
This will install the default JRE version, which is currently version 11. If you want to install a different version of Java, you can use a different command.
To download GraphHopper, go to the GraphHopper website and download the latest version of the software. You can download either the pre-compiled version or the source code.
In this tutorial, we will download the pre-compiled version of GraphHopper. You can download it using the following command:
wget https://graphhopper.com/public/releases/graphhopper-web-3.3.1-bin.zip
Make sure to replace the version number with the latest version available on the GraphHopper website.
After downloading GraphHopper, unzip the downloaded file using the following command:
unzip graphhopper-web-3.3.1-bin.zip
This will create a graphhopper directory containing the GraphHopper application.
The next step is to build the routing graph. To build the routing graph, you first need to download a road network file for your geographic region. You can download the road network file from openstreetmap.org.
After downloading the road network file, you can build the routing graph using the following command:
cd graphhopper
./graphhopper.sh import /path/to/road/network/file.osm.pbf
Make sure to replace /path/to/road/network/file.osm.pbf with the path to your downloaded road network file.
This process may take some time depending on the size of the road network file and the resources of your system.
After building the routing graph, you can start the GraphHopper server using the following command:
./graphhopper.sh web
By default, GraphHopper listens on port 8989. You can access the GraphHopper API by opening a web browser and navigating to http://localhost:8989.
Congratulations, you have successfully installed GraphHopper on Ubuntu Server Latest!
In this tutorial, we showed you how to install GraphHopper on Ubuntu Server Latest. We covered the prerequisites, downloading and installing GraphHopper, building the routing graph, and starting GraphHopper. We hope this tutorial was helpful for you, and you can now use GraphHopper to build routing applications or integrate its functionality into existing systems.
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