Suppose you have a fleet of 5 drivers and 50 delivery stops. You want each driver to have a fair share of work — not one driver working 10 hours while another finishes in 2. Until now, you could use min-max to minimize the longest route. But min-max only cares about the maximum — it […]
Almost exactly 10 years ago we released a first version of our open source project GraphHopper. 6 years ago we founded the company GraphHopper. Both would not have been possible without OpenStreetMap. To give back a little bit we are again Gold Corporate Member of the OpenStreetMap Foundation and offer our routing service for free […]
We have polished the dashboard for our Directions API. Especially the usage statistics are much prettier now. You can now view the credit usage per API key very nicely in a bar chart or just download it completely. Have fun analyzing your usage statistics! Your GraphHopper Team
Imagine you are in a foreign city and need to visit fifty different locations that day. Which way should you go? Or let alone which is the best order to visit all these places? GraphHopper’s Route Optimization API is a powerful tool that lets you easily calculate efficient round tours like this for a selection […]
Introduction A few years ago, we wrote a tutorial to show you how to model a traveling salesman problem with a week-planning horizon. Since then we have been improving our API a lot and I would like to show you how easy it is now to model this with driver shifts. For example, suppose you […]
With the GraphHopper Directions API it is easy to calculate the route from A to B including multiple intermediate waypoints. Our customers often use the Route Optimization API to get an optimized order of many deliveries. To deliver your packages or services in real world you additionally need a navigation application where you need turn […]
