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Real-time Interactive Exploration of Large Atmospheric Datasets in Virtual Reality

Schneegans, Simon and Flatken, Markus and Gerndt, Andreas (2018) Real-time Interactive Exploration of Large Atmospheric Datasets in Virtual Reality. EGU General Assembly 2018, Wien, Östereich.

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While technological advances in high performance computing allow for an ever-increasing accuracy in climate and weather simulations, they also lead to grand challenges regarding the data visualization and analytics process. We present a visualization framework, which allows for interactive exploration and real-time visualization of such large scale datasets in virtual reality. It combines parallel and distributed feature extraction using high-performance computing resources with octree-based level-of-detail rendering methods to assure high frame rates during the complete analysis process. When parameters such as an iso-value or the current time-step are modified, the visualization is updated progressively in a view-dependent manner. In addition, the data is shown in relation to the geographical, planetary and celestial context: the data is shown as part of our solar system. Planets are rendered with a sophisticated level-of-detail system based on the HEALPix tessellation of spheres. HEALPix tiles have equal areas and do not suffer from singularities at poles which are a common issue with other tessellations. Geographical datasets (e.g. Satellite images, digital elevation data or vector maps) are loaded from Web-Map-Services (WMS). Example datasets for Earth include, but are not limited to, Sentinel images, Open Street Map, TanDEM-X or SRTM30. NASA's SPICE library is used to compute the position of sun, planets, moons and stars.

Item URL in elib:https://elib.dlr.de/124582/
Document Type:Conference or Workshop Item (Poster)
Title:Real-time Interactive Exploration of Large Atmospheric Datasets in Virtual Reality
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schneegans, Simonsimon.schneegans (at) dlr.deUNSPECIFIED
Flatken, Markusmarkus.flatken (at) dlr.deUNSPECIFIED
Gerndt, AndreasAndreas.Gerndt (at) dlr.dehttps://orcid.org/0000-0002-0409-8573
Date:8 April 2018
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Keywords:Virtual Reality, VR, Weather Simulation, 3D-Visualization, HPC, Feature Extraction, Level-of-Detail
Event Title:EGU General Assembly 2018
Event Location:Wien, Östereich
Event Type:international Conference
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Technik für Raumfahrtsysteme
DLR - Research theme (Project):R - Vorhaben SISTEC
Location: Braunschweig
Institutes and Institutions:Institut of Simulation and Software Technology
Deposited By: Schneegans, Simon
Deposited On:24 Jan 2019 10:50
Last Modified:31 Jul 2019 20:22

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