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The Flexibility of GraphHopper

I often hear some misconceptions about the flexibility of GraphHopper. In this post I speak about GraphHopper core. Flexibility Mode GraphHopper is designed to be fast and flexible. For example you can route through entire Germany in about 1 second on average without any speed-up method, I’ll call this ‘flexibility mode’. You have to keep […]

Digitalizing GPX Points or How to Track Vehicles With GraphHopper

Recently I was asked again if I know a method, or even better a tool, which makes GPX points more align to the existing streets in OpenStreetMap. GraphHopper cannot do this out of the box but provides a toolchain which will make this digitalization easier. Update: this is now open source and available as web […]

GraphHopper News: Article in Java Magazine and FOSDEM 2014

Today the new Java Magazine from Oracle was published. You’ll need to register to view it or download one of the apps (Android, iOS). In this latest magazine my article about GraphHopper was published. It is about how I solved some big (data) problems in Java as well as some OpenStreetMap things to know and […]

Driving Directions with GraphHopper and Java on Raspberry Pi

GraphHopper is a fast and Open Source routing engine written in Java. The sources are at Github and you can try it online. Some months ago Java itself was ported to Raspberry Pi (ARM) and the latest versions even have the JDK from Oracle preinstalled. So there is no reason to not trying GraphHopper on […]