Harnessing the power of immersive virtual reality - visualization and analysis of 3D earth science data sets

Jiayan Zhao, Jan Oliver Wallgrün, Peter Christopher Lafemina, Jim Normandeau, Alexander Klippel

Research output: Contribution to journalArticle

Abstract

The availability and quantity of remotely sensed and terrestrial geospatial data sets are on the rise. Historically, these data sets have been analyzed and quarried on 2D desktop computers; however, immersive technologies and specifically immersive virtual reality (iVR) allow for the integration, visualization, analysis, and exploration of these 3D geospatial data sets. iVR can deliver remote and large-scale geospatial data sets to the laboratory, providing embodied experiences of field sites across the earth and beyond. We describe a workflow for the ingestion of geospatial data sets and the development of an iVR workbench, and present the application of these for an experience of Iceland’s Thrihnukar volcano where we: (1) combined satellite imagery with terrain elevation data to create a basic reconstruction of the physical site; (2) used terrestrial LiDAR data to provide a geo-referenced point cloud model of the magmatic-volcanic system, as well as the LiDAR intensity values for the identification of rock types; and (3) used Structure-from-Motion (SfM) to construct a photorealistic point cloud of the inside volcano. The workbench provides tools for the direct manipulation of the georeferenced data sets, including scaling, rotation, and translation, and a suite of geometric measurement tools, including length, area, and volume. Future developments will be inspired by an ongoing user study that formally evaluates the workbench’s mature components in the context of fieldwork and analyses activities.

Original languageEnglish (US)
Pages (from-to)237-250
Number of pages14
JournalGeo-Spatial Information Science
Volume22
Issue number4
DOIs
StatePublished - Oct 2 2019

Fingerprint

Earth sciences
virtual reality
Earth science
Virtual reality
visualization
Volcanoes
Visualization
science
Satellite imagery
Personal computers
volcano
Earth (planet)
Rocks
Availability
satellite imagery
fieldwork
analysis
Iceland
workflow
scaling

All Science Journal Classification (ASJC) codes

  • Geography, Planning and Development
  • Computers in Earth Sciences

Cite this

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Harnessing the power of immersive virtual reality - visualization and analysis of 3D earth science data sets. / Zhao, Jiayan; Wallgrün, Jan Oliver; Lafemina, Peter Christopher; Normandeau, Jim; Klippel, Alexander.

In: Geo-Spatial Information Science, Vol. 22, No. 4, 02.10.2019, p. 237-250.

Research output: Contribution to journalArticle

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