Webapp to consume the APIs of flickr and github to create and auto-update a web page with an activity feed. Images are pre-scaled and cached on the server for fast response times. The frontend uses a tile based layout.
Pseudo-georeference arbitrary images by fitting them centered into the extent of the spherical mercator spatial reference system (EPSG:3857).
Server for on-demand synchronization of geographical vector datasources to a PostgreSQL/PostGIS database. The server provides an HTTP API for easy integration into other applications.
Automatically build SQL Joins by routing in the graph of foreign key constraints defined in a PostgreSQL database. This is a PostgreSQL extension build using PL/Python.
Geoserver rendering transformation for feature aggregation for the visualization of train networks in the context of the swiss SBB Trafimage project. The impementation is based on web processing serivces (WPS).
A Clojure library designed to work with PostGIS, GeoJSON and related stuff. This is currently a toy project to get familiar with Clojure, so it is not intended for productive use.
Remote filesystem based on Linux FUSE (Filesystem in userspace), zeromq and Googles Protocol Buffers library.
PostgreSQL extension to determinate the filetypes of bytea BLOBs