| 基于Virtools的城市3DGIS开发与实现 |
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| 引用本文： | 卢丹丹,邓凌雯,彭清山.基于Virtools的城市3DGIS开发与实现[J].地理空间信息,2012,10(5):53-56. |
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| 作者姓名： | 卢丹丹 邓凌雯 彭清山 |
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| 作者单位： | 武汉市测绘研究院,湖北武汉,430022 |
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| 基金项目： | 精密工程与工业测量国家测绘地理信息局重点实验室开放基金资助项目（PF2011-27） |
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| 摘 要： | 与传统2DGIS相比,3DGIS更能直观、清晰地表达城市空间要素及其相互关系,辅助各类空间分析与决策,日益成为城市GIS与信息化建设的焦点。以Virtools软件为基础开发平台,从系统总体设计、数据组织与集成、功能开发与实现等方面介绍了城市3DGIS的建设思路,并重点探讨了三维城市模型的动态调度、系统优化等关键性技术,不仅为Virtools的实际应用拓宽了思路,也为城市3DGIS的建立提供了一种新的解决途径。
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| 关 键 词： | Virtools 3DGIS 三维城市模型 动态调度 |
Design and Development of City 3DGIS Based on Virtools |
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| Abstract: | Compared with traditional 2DGIS,3DGIS expresses urban spatial elements and their relationship more intuitively,assists all kinds of spatial analysis and decision making,becomes the focus of attention in GIS and informatization of city.Virtools can provide a solution for building of city 3DGIS.Around with design of system,organization and management of 3d model,design and development of function,this paper introduced the ideas and methods,and discussed the key technology such as dynamic attemper of 3D model,optimization of system and so on.These ideas and methods not only wide the application of Virtools,but also provide a new approach for building city 3DGIS. |
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| Keywords: | Virtools 3DGIS 3D city model dynamic loading |
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