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GraphHopper Blog

Releasing the Map Matching API

Today we are proud to release our Map Matching API as part of our Directions API. It is a web service based on one of our open source components. You can use it to snap measured GPS points to a digital road network to e.g. clean data or attach certain data to it like turn […]

The daily bug hunt

Yesterday we got a support request that a certain route request fails and just says ‘route not found’. We wanted to quickly reply that the open source routing engine has an option where you can reduce to a sufficient minimum, but as it turned out he meant the hosted GraphHopper Routing API where we already […]

How to model multiple delivery routes with a single vehicle?

Introduction In this tutorial we are going to show you how to model a vehicle routing problem with vehicles that can have multiple return trips to the depot. For example, let us assume you have 2 drivers that have a car much like the one on the figure below. It has an electric motor so […]

GraphHopper Meeting Berlin, July

On 13. July, Wednesday, from 16:00 to 17:30 we’ll hold the first GraphHopper meeting at Beuth University, Haus Bauwesen, room D 451. We’ll have the following topics: Introductory talk about the GraphHopper routing and current development You are invited to show us your projects based on GraphHopper. Hands on workshop, where one of the topics […]

GraphHopper Directions API News June

The GraphHopper Directions API is continually improved and we’ll keep you up to date with the newsletter, today the first time publicly available as blog post. We added more features to the Route Optimization API Often there are more customers than the available vehicle fleet can serve. In this case, you can now assign priorities […]