Special Section: Parallel Graphics and Visualization: Scalable rendering of massive triangle meshes on light field displays

Authors:
Fabio Bettio;Enrico Gobbetti;Fabio Marton;Giovanni Pintore
Affiliations:
CRS4, POLARIS Ed. 1, 09010 Pula, CA, Italy;CRS4, POLARIS Ed. 1, 09010 Pula, CA, Italy;CRS4, POLARIS Ed. 1, 09010 Pula, CA, Italy;CRS4, POLARIS Ed. 1, 09010 Pula, CA, Italy
Venue:
Computers and Graphics
Year:
2008

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Abstract

We report on a multiresolution rendering system driving light field displays based on a specially arranged array of projectors and a holographic screen. The system gives multiple freely moving naked-eye viewers the illusion of seeing and manipulating 3D objects with continuous viewer-independent parallax. Multiresolution techniques which take into account the displayed light field geometry are employed to dynamically adapt model resolution to display capabilities and timing constraints. The approach is demonstrated on two different scales: a desktop PC driving a 7.4Mbeams TV-size display, and a cluster-parallel solution driving a large (1.6x0.9m) 35Mbeams display which supports a room-size working space. In both cases, massive meshes of tens of millions of triangles are manipulated at interactive rates.