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Multi-Volume Rendering in OpenSpace Using A-Buffers for Space Weather Visualizations
Linköping University, Department of Science and Technology, Media and Information Technology. Linköping University, The Institute of Technology.
2017 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The work described in this thesis is part of the initial development of the open-source visualization software OpenSpace, a collaborative project between Linköping University (LiU), the National Aeronautics and Space Administration (NASA) and the American Museum of Natural History (AMNH). The report covers the background and implementation of a rendering system that enables OpenSpace to interactively visualize multiple overlapping space weather events. The system works much like a Deferred Renderer by rendering all objects once and then resolves the final image in a second rendering step. To render a mix of opaque and translucent objects and volumes simultaneously, order-independent transparency solutions are implemented. Performance is compared against traditional methods and possible improvements are discussed. The implemented rendering system is currently powering the OpenSpace visualizations, this gives scientists an interactive tool for studying multiple space weather events, education and public outreach.

Place, publisher, year, edition, pages
2017. , p. 33
Keywords [en]
nasa, space, space weather, scientific visualization, visualization, 3d, graphics, volumetric, rendering, opengl, order-independent transparency
National Category
Media and Communication Technology
Identifiers
URN: urn:nbn:se:liu:diva-137673ISRN: LiU-ITN-TEK-A--17/006--SEOAI: oai:DiVA.org:liu-137673DiVA, id: diva2:1098484
Subject / course
Media Technology
Uppsok
Technology
Supervisors
Examiners
Available from: 2017-05-24 Created: 2017-05-24 Last updated: 2018-01-13Bibliographically approved

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Multi-Volume Rendering in OpenSpace Using A-Buffers for Space Weather Visualizations(2605 kB)152 downloads
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CiteExportLink to record
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Citation style
  • apa
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Output format
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