Adaptive Sampling for On-The-Fly Ray Casting of Particle-based Fluids

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dc.contributor.authorHochstetter, Hendriken_US
dc.contributor.authorOrthmann, Jensen_US
dc.contributor.authorKolb, Andreasen_US
dc.contributor.editorUlf Assarsson and Warren Hunten_US
dc.date.accessioned2016-06-17T14:08:28Z
dc.date.available2016-06-17T14:08:28Z
dc.date.issued2016en_US
dc.description.abstractWe present a fast and accurate ray casting technique for unstructured and dynamic particle sets. Our technique focuses on efficient, high quality volume rendering of fluids for computer animation and scientific applications. Our novel adaptive sampling scheme allows to locally adjust sampling rates both along rays and in lateral direction and is driven by a user-controlled screen space error tolerance. In order to determine appropriate local sampling rates, we propose a sampling error analysis framework based on hierarchical interval arithmetic. We show that our approach leads to significant rendering speed-ups with controllable screen space errors. Efficient particle access is achieved using a sparse view-aligned grid which is constructed on-the-fly without any pre-processing.en_US
dc.description.sectionheadersRay Tracingen_US
dc.description.seriesinformationEurographics/ ACM SIGGRAPH Symposium on High Performance Graphicsen_US
dc.identifier.doi10.2312/hpg.20161199en_US
dc.identifier.isbn978-3-03868-008-6en_US
dc.identifier.issn2079-8679en_US
dc.identifier.pages129-138en_US
dc.identifier.urihttps://doi.org/10.2312/hpg.20161199en_US
dc.publisherThe Eurographics Associationen_US
dc.subjectI.3.3 [Computer Graphics]en_US
dc.subjectPicture/Image Generationen_US
dc.subjecten_US
dc.subjectI.3.7 [Computer Graphics]en_US
dc.subjectThree Dimensional Graphics and Realismen_US
dc.titleAdaptive Sampling for On-The-Fly Ray Casting of Particle-based Fluidsen_US
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