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October 5th, 2007
A concept for creating, storing, updating and delivering variable resolution terrain models

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The NVRG/Sarepta is an implementation of a terrain model server based on a global variable resolution grid. Access to the system is through a web service, which makes it essentially platform independent. The grid tiles are quadrilaterals of nearly homogeneous size across the globe. Finer resolution levels are generated by regular subdivision. The terrain data is organized in a .le structure that supports easy updating and maintenance. 

(Download 2007) (26 pages, 198KB PDF)

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