3D-gis in networking environments

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Abstract

In this paper, we present a data model for 3D geometry and topology in a 3D-GIS. This data model includes the concept of several views for the same feature, which enables several presentations of the same data. Together with a spatial index, this view-concept will be used to visualize the 3D-GIS data in a distributed networking environment. The data model and the progressive transmission is tested with an area-wide city model of Darmstadt.

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