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UID:submissions.supercomputing.org_SC24_sess554_art104@linklings.com
SUMMARY:Virtual Expedition through the Ice of Greenland's Glaciers
DESCRIPTION:Thomas Ybarra, Justice Warren, Francesca Samsel, Greg Abram, A
 nne Bowen, and Jo Wozniak (Texas Advanced Computing Center (TACC), The Uni
 versity of Texas at Austin)\n\nThis analysis requires a large amount of ra
 w data: detailed models of the 3D topography of the sea floor, satellite i
 magery to monitor glacier change over time, and physical samples of the ic
 e and sediment. These datasets need to be mapped to a single consistent ge
 ographic framework for comparison. For example, lower resolution (100m) sa
 tellite-derived data of the entire glacier research site needed to be supe
 rimposed onto the higher resolution (5m) bathymetry ocean bottom multibeam
  (sonar) ship tracks close to the glacier terminus. Physical samples of ic
 e and sediment will also be collected during the expedition and will need 
 to be represented in this common georeferenced space. \n\nThe conglomerate
  topography/bathymetry of Greenland and glacier terminus endpoints over ti
 me were imported into a 3D visualization application (ParaView). The cover
 age for the high-resolution data is only a fraction of the total area, so 
 care must be taken to represent the data appropriately and color-maps cons
 tructed to represent the various categories (ocean, land, ice) represented
 . The portions of interest are exported for 3D exploration in Unity via th
 e Artifact-Based Rendering (ABR) plugins running in Unity and ParaView. Th
 e ABR engine allows for the complex scientific visualizations from ParaVie
 w to be piped to the Unity engine in real time and gives the user control 
 over key color and textural representations. The hand-tracking/gestural na
 vigation developed in Unity enables users to easily explore the data and a
 pproach areas of scientific interest for closer inspection. Users can expo
 rt the exploration path as an animation for collaboration.\n\nRegistration
  Category: Tech Program Reg Pass, Workshop Reg Pass, Tutorial Reg Pass, Ex
 hibits Reg Pass\n\n
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