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Since 2003, I am a Professor for Interaction Design at the Interface Design Department of the University of Applied Sciences Potsdam (FHP). Here you can find some results of my activities at the University.

Marc Tiedemann:


Type: Class Project
Semester: Winter 2012/2013
Institutions: FH Potsdam
Student: Marc Tiedemann
Supervisor: Boris Müller

Marc Tiedemann created this visualization in the class »Immersive Datavisualization« for the Powerdome system. The assignment was to pick a complex data-set and turn it into an immersive visualization.

Inspired by the wolfram alpha facebook report which just came out to that time, Marc decided to play with facebook data. More precisely: Visualize friend networks.

The result is a mixture between intergalactic journey and data-sculpture. To quote Marc: »When I first saw the system working, I was pretty blown away how much these clusters that began to form, visualized exactly the mental model of groups of friends I had in my head.«

Marc extracted his own facebook-friendlist via the app giveMeMyData in a machine readable format and visualized it via processing. He created a network node for every friend in the list and gave every one of them a negative force field, so they will always try to seperate. The second rule applied is: If two friends are mutual friends as well, they will attract each other. These two basic rules form clusters of people that know each other and is known as force directional graph.

{A view of the visualization in the fulldome environment.}

domebook_dome_1_s domebook_dome_2_s domebook_navigation_1_s

In the next step Marc added a bit more information like affiliated institutions. As expected, the friend clusters have a strong connection to the institutions. These places work like cluster-labels. They make it much easier to connect to this otherwise anonymus friend network because all of the sudden it’s put in context.

The whole network is renderend as a three dimensional system. Thanks to Christopher Warnow, it is distorted correctly, so the illusion is excellent. It feels like standing in the middle of a giant star-field like network system!


An essential part of the project is the spatial navigation. Marc used the iPhone and it’s compass function coupled with a bit of gravity information to mesure the direction pointed. So the user can simply point into a direction and start flying.