冯炜,邵佳妮,叶修松

• 1:61081部队
• 2:信息工程大学测绘学院

摘要(Abstract)：

虚拟GIS数据模型是战场环境GIS最基本问题。本文在考虑到战场虚拟GIS表达地学虚拟环境中的各种数据的需要的同时,借鉴当前GIS数据模型最新进展,以及虚拟现实和仿真领域的相关数据模型,设计了一个新的面向对象虚拟GIS数据模型(OOVRGDM)。面向对象虚拟GIS数据模型(OOVRGDM)的最大特点是通过引入结构对象,同时支持地学虚拟环境的数据表达和地学虚拟环境图形生成的需要。OOVRGDM能同时表达二维空间地学数据和三维空间中的地学数据,并提供离散地理对象和战场地理对象的表达能力。

关键词(KeyWords)： 战场环境仿真;三维地形生成;DEM数据;地形细节等级(LOD);空间地理数据模型;面向对象虚拟GIS数据模型

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(40774031);; 国家863计划项目(2006AA06A202);; 全国优秀博士学位论文作者专项基金项目(200344)

作者(Author): 冯炜,邵佳妮,叶修松

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