SpaGround . Kids Interactive playground with infrared multi-tracking
Interactive projection on the ground of an historical monument.
Realisation of an interactive playground projection, in an historical monument from the XV century.

The animated characters react and follow the visitors on a 6x6 m surface. Each visitor get a specific character reacting to its movements.

The multi-tracking system is made of one infrared camera and 4 IR spots located above the playground.
It creates an fluid interaction, generated by the displacement of the visitors.
A second tracking pipeline targets each visitors and gives him an unique character.
Technic

Interactive and mapping system SpaGround
Tracking SpaTrack . (camera and infrared spots)
Particule SpaFluid

Projection 6 x 6 m
2 x 1280x800 (HD)
Short throw . 5000 lumens

Setup 6 hours
Credits

Client ArsFactory
Location Petrarque, Montpellier

Concept and programing Patrice Cros
Instalation Justin Artigues
Animation Manu Robert

Duration 2 days



Interactive concept
The multi-tracking system is made of one infrared camera and 4 IR spots located above the playground.

It creates an fluid interaction, generated by the displacement of the visitors.
A second tracking pipeline targets each visitors and gives him an unique character.

This interactivity is very easy to grasp. The visitors enters after a few seconds in the play.
By crossing their paths, they mix and exchange their generative characters.

Animated characters
4 stylistic pets for each visitor. 4 generic particules enhance the composition.

Technical setup
All the tracking and projection system is attached onto a bar 5 m above the ground.

This setup gives a totally empty interctive playground. The visitors entering the space get surprised by images appearing from the dark.

The side positionment of the beamers (red) covers the entire floor (6 x 6 m) in 2 contiguous projections, thanks to the short throw lenses (throw 0,72).

The wide angle infrared camera (blue) is above the center of the room, surrounded by 4 IR spots (orange).

The wiring is made on the support and goes down on the side wall to the computer.


Light graphics
Individual geometric particules for each participant.
Video background as light effect.