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EnglishWe present a radically new method for the multi-resolution representation of large terrain databases. Terrain data come as a collec- tion of regularly sampled, freely overlapping grids, with arbitrary spacing and orientation. A multi-resolution model is built and updated dynam- ically off-line from such grids, which can be queried on-line to obtain a suitable collection of patches to cover a given domain with a given, possibly view-dependent, level of detail. Patches are combined to obtain a Ck surface, with k depending on the type of base patches. The whole framework is designed to take advantage of the parallel computing power of modern GPUs.
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| Titolo: | Patchwork Terrains: Multi-resolution Representation from Arbitrary Overlapping Grids with Dynamic Update |
| Autori: | |
| Data di pubblicazione: | 2013 |
| Serie: | |
| Abstract: | We present a radically new method for the multi-resolution representation of large terrain databases. Terrain data come as a collec- tion of regularly sampled, freely overlapping grids, with arbitrary spacing and orientation. A multi-resolution model is built and updated dynam- ically off-line from such grids, which can be queried on-line to obtain a suitable collection of patches to cover a given domain with a given, possibly view-dependent, level of detail. Patches are combined to obtain a Ck surface, with k depending on the type of base patches. The whole framework is designed to take advantage of the parallel computing power of modern GPUs. |
| Handle: | http://hdl.handle.net/11567/550118 |
| ISBN: | 9783642382406 |
| Appare nelle tipologie: | 02.01 - Contributo in volume (Capitolo o saggio) |
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