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Van Gogh’s Starry Night Interactive | Petros Vrellis
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Van Gogh’s Starry Night Interactive | Petros Vrellis

Petros Vrellis has created an interactive visualisation and synthesizer that animates Vincent Van Goghs “Starry Night”, using openframeworks to create a simple and elegant interaction. A fluid simulation gently creates a flowing fabric from Van Goghs impressionist portrait of the Milky Way and night sky over Saint-Rémy in France using the thick paint daubs as the particles within the fluid.

A touch interface allows a viewer to deform the image, altering both the flow of the particles and the synthesized sound, and then watch it slowly return to its original state. The sound itself is created using a MIDI interface to create a soft ambient tone out of the movement of the fluid that underscores the soft movement. Beauty through simplicity at its finest and most playful.

– About 80.000 particles move around with a fluid-like algorithm and are drawn as small opengl minimaps.
– The velocity field was not computed automatically, I had to set it manually myself. It was quite difficult to get it right…
– I get about 30fps at 1920×1080, with an intel i5-2500K, and a geforce GTX560.
– Multitouch tracking is made with ofxKinect and ofxOpenCV.
– The music is the result of much experimentation and luck.

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