In our last blog post we elaborated the problem of finding a route through Dublin without passing by any Pub. Rory gave us the idea for this, and now again, pointed us to an article reporting that recently there was a Japanese man trying to visit each and every pub to drink a pint of […]

A long time ago there was a nice blog post How to walk across Dublin without passing a pub from Rory and there was even someone who tried this in real life. Now we thought how this would look like today using GraphHopper instead of the manual process described in the post. It turns out […]

The traveling salesman problem is the problem of finding the shortest possible route through a given set of locations whereby each loaction must only be visited once and the traveling saleman must return to its start location. A very good introduction into traveling salesman problems has been done by William Cook. It is fun to […]

Since several months we’ve been working on the Route Optimization API – a new part of the GraphHopper Directions API. And today it goes into beta status, i.e. we trust the software and our architecture enough that it can be used in production. Although it is used in production already we allowed us to change […]

There are so many misunderstanding of self-driving cars that I thought a full blog post instead of just a tweet is necessary. How it all began The creators of K.I.T.T. created also the dream in many, now grown-up engineers to let people do something else while driving. Obviously they weren’t the first with the idea […]

From now on our route planner GraphHopper Maps allows not only foot, car and bike routing, we’ve also added motorcycle, mountain bike and racing bike: This means all other applications using our Directions API are now able to use more vehicle types as well and offer their users a more specific routing experience and a […]