An approach to the integration of spatial data and systems for a 3D geo-information system

被引：70
|
作者：
Breunig, M [1 ]
机构：
[1] Univ Bonn, Inst Comp Sci 3, D-53117 Bonn, Germany
来源：
COMPUTERS & GEOSCIENCES | 1999年 / 25卷 / 01期
关键词：
spatial database; database kernel system; Toolkit; 3D-GIS; 3D representation;
D O I：
10.1016/S0098-3004(98)00104-6
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Spatial queries for 3D gee-information systems are analysed and mapped into different abstraction levels of space. The integration of spatial representations is seen as a central task for the integration of 3D data in gee-information systems. A simplicial complex approach is presented that facilitates the unified representation of irregular geo-objects in 3D Euclidean space. Convex simplicial complexes are introduced that help to overcome the complexity of 3D-algorithms. First experiences with the data and systems integration for a 3D gee-information system are presented in a collaborative research centre at the University of Bonn. GeoToolKit, an open 3D database kernel system implemented by using the object-oriented database management system ObjectStore(R) has been realized to serve in future as a software platform for an open environment of component-based gee-services. It provides geometric 3D algorithms, spatial access methods and a 2D/3D-visualization in order to support the 3D geoscientific modeling. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：39 / 48
页数：10
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