Abstract
This paper presents a hybrid model for three-dimensional Geographical Information Systems which is an integration of surface- and volume-based models. The Triangulated Irregular Network (TIN) and octree models are integrated in this hybrid models. The TIN model works as a surface-based model which mainly serves for surface presentation and visualization. On the other hand, the octree encoding supports volumetric analysis. The designed data structure brings a major advantage in the three-dimensional selective retrieval. This technique increases the efficiency of three-dimensional data operation.
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Wenzhong, S. Development of a hybrid model for three-dimensional GIS. Geo-spat. Inf. Sci. 3, 6–12 (2000). https://doi.org/10.1007/BF02826617
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DOI: https://doi.org/10.1007/BF02826617