Globe Browsing: Contextualized Spatio-Temporal Planetary Surface Visualization

作者: Karl Bladin , Emil Axelsson , Erik Broberg , Carter Emmart , Patric Ljung

DOI: 10.1109/TVCG.2017.2743958

关键词: TerrainGeospatial analysisPlanetary surfaceData visualizationDynamic dataRendering (computer graphics)Computer scienceVisualizationInformation visualizationComputer graphics (images)Signal processingSoftwareComputer Vision and Pattern RecognitionComputer Graphics and Computer-Aided Design

摘要: Results of planetary mapping are often shared openly for use in scientific research and mission planning. In its raw format, however, the data is not accessible to non-experts due difficulty grasping context intricate acquisition process. We present work on tailoring integration multiple processing visualization methods interactively contextualize geospatial surface celestial bodies science communication. As our approach handles dynamic sources, streamed from online repositories, we significantly shortening time between discovery dissemination results. describe image pipeline, pre-processing steps derive a 2.5D terrain, chunked level-of-detail, out-of-core rendering enable interactive exploration global maps high-resolution digital terrain models. The results demonstrated three different bodies. first case addresses map Mars. A second showing processes, such as concurrent weather conditions Earth that require temporal datasets. final example New Horizons spacecraft which acquired images during single flyby Pluto. visualize process well resulting data. Our has been implemented OpenSpace software [8] , enables presentations range environments immersive dome theaters, touch tables, virtual reality headsets.

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