Video of a sandbox equipped with a Kinect 3D camera and a projector to project a real-time colored topographic map with contour lines onto the sand surface. The sandbox lets virtual water flow over the surface using a GPU-based simulation of the Saint-Venant set of shallow water equations.
We (the UC Davis W.M. Keck Center for Active Visualization in the Earth Sciences, http://www.keckcaves.org) built this for an NSF-funded project on informal science education. These AR sandboxes will be set up as hands-on exhibits in science museums, such as the UC Davis Tahoe Environmental Research Center (TERC) or Lawrence Hall of Science.
Project home page: http://idav.ucdavis.edu/~okreylos/ResDev/SARndbox
The sandbox is based on the original idea shown in this video: http://www.youtube.com/watch?v=8p7YVqyudiE
The water flow simulation is based on the work of Kurganov and Petrova, "a second-order well-balanced positivity preserving central-upwind scheme for the Saint-Venant system."
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