Digital Graffiti

In this interactive projection “fluidum 2” (2017), the shadows of the visitors ‘paint’ abstract fractal clouds onto a large screen. The colorful clouds are algorithmically generated in real-time and resemble natural phenomena like flames, flowing lava, smoke or corals.

The interaction of the spectator with “fluidum2” is made possible by a near-infrared camera next to the projectors which captures the movement of the visitors. The images consist of digital video feedback combined with a fluid simulation and fractal mathematics. The sound is generated live by granular synthesis. The wind noise uses the same family of fractals as the image. The interactive projection software is manufactured by the artist himself.


Idea and Realization: Holger Förterer
On-Site Assistance and Major Support: Christian Wening
Assistance and Documentation Cut: Carmen Donet García

Digital Graffiti Curator: Brett Phares
Digital Graffiti Event Direction: Kelli Siler from The Alys Foundation
Production Director: John Rosenberg
Projection Support: Geoffrey Platt from Christie Digital
Artist Liaison: Emme Wood

Performers for First Sketch: Ines Hoffmann, Carmen Donet García
Special Thanks: Marc Teuscher, Ida Nordpol, David Bennett
Computer Rental: Melissa Lewis from

Thank you to the technical team and all volunteers at Digital Graffiti. It was a real pleasure working with you.

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Digital Graffiti

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