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 model.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.
Original language | English |
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Pages (from-to) | 6-12 |
Number of pages | 7 |
Journal | Geo-spatial information science (地球空间信息科学学报) |
Volume | 3 |
Issue number | 2 |
Publication status | Published - 2000 |
Keywords
- Hybrid three-dimensional model
- TIN model
- Octree model
- GIS
ASJC Scopus subject areas
- Computers in Earth Sciences
- Geography, Planning and Development