In this dissertation, key techniques for three-dimensional geographic information system and three-dimensional plotting system are studied.
本论文对三维地理信息系统及在其基础上建立的三维态势标绘系统的关键技术进行了研究。
Spatial data model is the core and base of three dimensional geographic information system design.
空间数据模型是地理信息系统设计的核心和基础。
It's a core problem to organize and manage massive data in three-dimensional urban geographic information system.
如何有效地组织和管理城市三维地理信息系统中海量级的三维数据是目前研究的一个核心问题。
The three dimensional landscape reconstruction is one of the important aspects in the research of Virtual Reality Geographic Information System (VR-GIS).
三维景观重建是虚拟现实地理信息系统(VR GIS)研究中的重要方向之一。
The three dimensional landscape reconstruction is one of the important aspects in the research of Virtual Reality Geographic Information System (VR-GIS).
三维景观重建是虚拟现实地理信息系统(VR GIS)研究中的重要方向之一。
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