Abstract
This paper reports on the 3D visualization and modelling of multiple 3D data sets from the Åknes rockslide site, one of the world’s largest and most complex rock slide assessments. Using the open-source architecture OpenSceneGraph (OSG), we created an interactive 3D application which enables the project’s geoscientists to visualize combinations of several different 3D data sets from the site. The application also allows them to model the subsurface geometry of suspected sliding surfaces which play a key role in the assessment of the rockslide and its prediction. This interactive modelling uses a constrained Delaunay triangulation method. This cross-platform application is designed to run on a typical desktop PC and does not contain any operating system specific components. While there are some caveats, OSG has provided us with a flexible and cost-effective high-level platform for the development of our geovisualization application.
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Nordvik, T., Harding, C. (2008). Interactive Geovisualization and Geometric Modelling of 3D Data - A Case Study from the Åknes Rockslide Site, Norway. In: Ruas, A., Gold, C. (eds) Headway in Spatial Data Handling. Lecture Notes in Geoinformation and Cartography. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-68566-1_21
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DOI: https://doi.org/10.1007/978-3-540-68566-1_21
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