High Performance Geographic Information Systems


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Upper Left corner shows a head mounted display through which a subject visualize the terrain. Representative terrain visualizations. Upper corner shows a part of the polygonal map used to generate the three dimensional graphic shown here.
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Upper Left corner shows a bird's eye view. Representative urban terrain scenes.
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This picture illustrates the declustering problem for polygonal maps for 4 partitions. Each color denotes a distinct partition. Effective declustering is the major issue in parallelizing GIS to achieve good load balance and speedup.
Acknowledgements
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