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Complex Virtual Urban Environment Modeling from CityGML Data and OGC web services: Application to the SIMFOR Project

机译:通过CityGML数据和OGC Web服务进行的复杂虚拟城市环境建模:在SIMFOR项目中的应用

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Due to the advances in computer graphics and network speed it is possible to navigate in 3D virtual world in real time. This technology proposed for example in computer games, has been adapted for training systems. In this context, a collaborative serious game for urban crisis management called SIMFOR is born in France. This project has been designed for intensive realistic training and consequently must allow the players to create new urban operational theatres. In this goal, importing, structuring, processing and exchanging 3D urban data remains an important underlying problem. This communication will focus on the design of the 3D Environment Editor (EE) and the related data processes needed to prepare the data flow to be exploitable by the runtime environment of SIMFOR. We will use solutions proposed by the Open Geospatial Consortium (OGC) to aggregate and share data. A presentation of the proposed architecture will be given. The overall design of the EE and some strategies for efficiently analyzing, displaying and exporting large amount of urban CityGML information will be presented. An example illustrating the potentiality of the EE and the reliability of the proposed data processing will be proposed.
机译:由于计算机图形学和网络速度的提高,可以在3D虚拟世界中实时导航。例如在计算机游戏中提出的这项技术已被应用于训练系统。在这种情况下,法国诞生了一个针对城市危机管理的协作性严肃游戏,名为SIMFOR。该项目旨在进行深入的现实训练,因此必须允许玩家创建新的城市运营剧院。在此目标中,导入,构建,处理和交换3D城市数据仍然是一个重要的潜在问题。本交流将重点关注3D环境编辑器(EE)的设计以及准备数据流以供SIMFOR运行时环境利用所需的相关数据过程。我们将使用开放地理空间联盟(OGC)提出的解决方案来汇总和共享数据。将给出建议的体系结构的介绍。将介绍EE的总体设计以及有效分析,显示和导出大量城市CityGML信息的一些策略。将提出一个示例,说明EE的潜力和所提出的数据处理的可靠性。

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