Releasing GraphHopper 0.2 – Further & Faster Road Routing!

Today we’re releasing version 0.2 of our Open Source road routing engine GraphHopper written in 100% Java. Faster! All algorithms are faster due to bug fixes and fine tuning A preparation is necessary for our optional speed-up technique called Contraction Hierarchy. This preparation is also faster. Further! We finally fixed GPS-exact routing so you don’t have … Continue reading

Free the Java Duke now and use it in Blender!

Duke, the Java mascot is a well known ambassador for Java. It is so important even Oracle still has a prominent site for it. The only problem is that the original source files can only be opened with a commercial application called lightwave3d. For GraphHopper I took those files and created an OpenStreetMap variant with … Continue reading

Setup Mapnik From Scratch

THIS document is a work in progress. There are several options but mainly three web map servers (WMS): Mapnik, GeoServer and MapServer. Simple visualization: A) browser/client (leaflet, openlayers) | B) tile server (mod_tile, tile cache, tile stache, mapproxy, geowebcache) | C) map web service = WMS (MapServer, GeoServer, Mapnik) | D) Data storage (PostgreSQL, vector … Continue reading

Java on iPhone or iPad

What options do I have to make my Java application working on the iPhone? It should not be necessary to jailbreak the phone. Also UI is not necessary for now although e.g. codenameone seems to support it. My application it not a complicated one, but uses Java 1.5 (generics etc) and e.g. memory mapped files. … Continue reading