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Concepts of Hybrid Data Rendering
Linköping University, Department of Science and Technology, Media and Information Technology. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Science and Technology, Media and Information Technology. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Science and Technology, Media and Information Technology. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-5693-2830
Linköping University, Department of Science and Technology, Media and Information Technology. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0001-7285-0483
2017 (English)In: Proceedings of SIGRAD 2017, August 17-18, 2017 Norrköping, Sweden / [ed] Ingrid Hotz and Martin Falk, Linköping: Linköping University Electronic Press, 2017, Vol. 143, p. 32-39Conference paper, Published paper (Refereed)
Abstract [en]

We present a concept for interactive rendering of multiple data sets of varying type, including geometry and volumetric data, in one scene with correct transparency. Typical visualization applications involve multiple data fields from various sources. A thorough understanding of such data often requires combined rendering of theses fields. The choice of the visualization concepts, and thus the rendering techniques, depends on the context and type of the individual fields. Efficiently combining different techniques in one scene, however, is not always a straightforward task. We tackle this problem by using an A-buffer based approach to gather color and transparency information from different sources, combine them and generate the final output image. Thereby we put special emphasis on efficiency and low memory consumption to allow a smooth exploration of the data. Therefore, we compare different A-buffer implementations with respect to memory consumption and memory access pattern. Additionally we introduce an early-fragment-discarding heuristic using inter-frame information to speed up the rendering..

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2017. Vol. 143, p. 32-39
Series
Linköping Electronic Conference Proceedings, ISSN 1650-3686, E-ISSN 1650-3740 ; 143
Keywords [en]
Hybrid Rendering, A-Buffer, Volume Rendering
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:liu:diva-143256ISBN: 9789176853849 (electronic)OAI: oai:DiVA.org:liu-143256DiVA, id: diva2:1160511
Conference
SIGRAD 2017, August 17-18, 2017 Norrköping, Sweden
Available from: 2017-11-27 Created: 2017-11-27 Last updated: 2018-04-03Bibliographically approved

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Engelke, WitoEnglund, RickardHotz, Ingrid
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