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The POP buffer: Rapid progressive clustering by geometry quantization

: Limper, Max; Jung, Yvonne; Behr, Johannes; Alexa, Marc


Computer graphics forum 32 (2013), No.7, pp.197-206
ISSN: 0167-7055
ISSN: 1467-8659
Pacific Conference on Computer Graphics and Applications (PG) <21, 2013, Singapore>
Journal Article, Conference Paper
Fraunhofer IGD ()
display algorithms; progressive transmission; mesh encoding; quantization; vertex clustering

Within this paper, we present a novel, straightforward progressive encoding scheme for general triangle soups, which is particularly well-suited for mobile and Web-based environments due to its minimal requirements on the client's hardware and software. Our rapid encoding method uses a hierarchy of quantization to effectively reorder the original primitive data into several nested levels of detail. The resulting stateless buffer can progressively be transferred as-is to the GPU, where clustering is efficiently performed in parallel during rendering. We combine our approach with a crack-free mesh partitioning scheme to obtain a straightforward method for fast streaming and basic view-dependent LOD control.