vis4.net/labs

I implemented a pretty simple algorithm which computes alpha-shapes aka. the concave hull of a point set.

I created an interactive tool for exploration of color scales in different color spaces.

This graphic opposes the results of a recent referendum to the latest election results.

I tried to visualize the global digital divide by mapping more than 80,000 populated places against 350,000 locations of IP addresses.

A HTML5 remake to step in the fight against Java applets.

A radial scatterplot that shows the consensus of fractions at roll-call votes in the German Bundestag.

I ported the streamgraph Processing code by Lee Byron and Martin Wattenberg to ActionScript.

Simple and lightweight library for creating Treemaps in ActionScript.

A street-and-railways-only map of Berlin in poster size.

I generated color blindness test images that show simple icons instead of numbers.

Keep away from the red areas in case of emergency.

Showing plagiarized lines and footnotes in the PhD thesis of former minister of defense.

This Processing experiment was a kind of precursor for the Europe’s Energy project.

Animated map of all Wikileaks mirror server locations that appeared after the blocking of the main Wikileaks site.

Live visualization of geo-tagged Twitter messages that were sent during the CASTOR transport in November 2010.

This interactive map shows the extra incomes of Members of the German Bundestag

Implementation of a simple isoline generation algorithm in ActionScript.

Visualization of around 300 donations given to German parties with minimum amounts of 50.000€.

Mapped servers and routes that are involved in a short file-sharing session.

Demonstration of my now-discontinued project OpenFlashMaps.

I created a tool for experimentation with streamgraph color scales.

I created an open source map widget for Piwik Web Analytics, which is now part of the core.

I created this as a module for the opensource Piwik Web Analytics software.

Reverse-visualization of 1,139,441,531 geolocated ip-adresses in the GeoCity Lite database.

Interactive demo of the different map projections included in my as3proj library.

A huge line chart of the 2000 biggest companies listed in the Forbes2000 index.

Interactive visualization of German Postal Codes as seen in the book Visualizing Data by Ben Fry.

An attempt of finding a hue transformation to make “neighbour” colours more distinguishable.

Experimented with the HSL color space to increase text readability on white backgrounds.