• Catchment Area Calculation with pgRouting

    This post is written as response to Michal Zimmermann's article "Routing with pgRouting: Catchment Area Calculation". Michal's article was interesting to read, and it definitely contains some valid points of criticism. The drive-time polygons definitely...

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  • pgRouting preview: the new VRP solver

    This is a guest post of "St. Nikolaus". It is written for the Japanese FOSS4G Advent Calendar 2013 and it’s probably again the only one in English as in 2012. St. Nikolaus (Source: [1]) Let me introduce myself: My name is "St. Nikolaus"...

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  • The pgRouting Team is pleased to announce the release of pgRouting 2.0.0

    This 2.0 release brings a number of major new features: All Pairs Shortest Path, Johnson’s Algorithm NEW All Pairs Shortest Path, Floyd-Warshall Algorithm NEW Shortest Path A* Bi-directional Dijkstra Shortest Path NEW Bi-directional A*...

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  • The Cuisines of the world

    Tags or tagging are quite underrated in mapping where colourful lines/dots make up for most of the look and feel. OpenStreetMap as the name says is an open map but also is a open geographic database licensed under ODBL. The beauty of the data is...

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  • Leaflet example with WFS-T

    This article is supposed to be No. 15 in the Japanese FOSS4G Advent Calendar 2012 and it's probably the first and last one in English for this year. First I wanted to build pgRouting Ubuntu packages and write about it, but then I saw the other great...

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  • Georepublic Blog

    Georepublic hat diese Woche das neue Büro im Business Incubator der Osaka City University bezogen. Das Büro ist zwar nicht gross, dafür aber angenehm ruhig, und die technischen Einrichtungen der Universität, vor allem die Internetanbindung, sind hervorragend...

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