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 […]

Update: there is a new blog post which shows integration of real time traffic info into GraphHopper from a real world example, including a simple UI based on HTML5 canvas. There are several companies having its own traffic data e.g. those companies having an own fleet or fetching it from an external source. Often on […]

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 […]

Today we’re proud to announce the first stable release of GraphHopper! After over a year of busy development we finally reached version 0.1! GraphHopper is a fast and Open Source road routing engine written in Java based on OpenStreetMap data. It handles the full planet on a 15GB server but is also scales down and […]

I’ve not blogged since a while but we are pushing Java road routing via GraphHopper to its first public release 0.1! We’re not finished yet, but have a first look and give us feedback here or in the mailing list (questions, bugs, …) so that we can release without big surprises in a few days […]

Update: With changes introduced in January 2013 you only need 1GB – live demo! In one of my last blog posts I wrote about memory efficient ways of coding Java. My conclusion was not a bright one for Java: “This time the simplicity of C++ easily beats Java, because in Java you need to operate […]