Interactive Ray Tracing of Large Models Using Voxel Hierarchies
| Autor: | Attila T. Áfra |
|---|---|
| Rok vydání: | 2012 |
| Předmět: |
business.industry
Computer science Software rendering Scientific visualization Volume rendering computer.software_genre Computer Graphics and Computer-Aided Design 3D rendering Real-time rendering Rendering (computer graphics) Computer graphics Voxel Computer graphics (images) Ray casting Ray tracing (graphics) business Interactive visualization computer Level of detail 3D computer graphics ComputingMethodologies_COMPUTERGRAPHICS |
| Zdroj: | Computer Graphics Forum. 31:75-88 |
| ISSN: | 0167-7055 |
| DOI: | 10.1111/j.1467-8659.2011.02085.x |
| Popis: | We propose an efficient approach for interactive visualization of massive models with CPU ray tracing. A voxel-based hierarchical level-of-detail (LOD) framework is employed to minimize rendering time and required system memory. In a pre-processing phase, a compressed out-of-core data structure is constructed, which contains the original primitives of the model and the LOD voxels, organized into a kd-tree. During rendering, data is loaded asynchronously to ensure a smooth inspection of the model regardless of the available I/O bandwidth. With our technique, we are able to explore data sets consisting of hundreds of millions of triangles in real-time on a desktop PC with a quad-core CPU. © 2012 Wiley Periodicals, Inc. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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