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首页> 外文会议>International Conference on Advances in Building Technology Vol.2, Dec 4-6, 2002, Hong Kong, China >Virtual Planning Environment Based on Internet
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Virtual Planning Environment Based on Internet

机译：基于Internet的虚拟规划环境

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摘要

"Virtual Reality Model Language (VRML)" combined with Java3D and XML is one of the key technologies which enable the new generation of Three Dimensional World Wide Web ( Web-3D) to come true. With the supplement of three dimensional virtual scenery, the VRML can visualizes information in 3D means and carries them in Internet. And also, the development of VRML technology will become the noticeable focus to which urban planners will pay much attention. It will enables urban planning work a new look by helping to introduce planning information and display planning work in INTERNET and attracting more and more people to care for and join in urban planning job.Virtual Planning Environment(VPE) based on Internet is an interactive distributed and 3D Virtual Geographical Environment(VGE) which is a N-tiers complicated system running with multiple interfaces. In server side, The GIS business logical process constructed by J2EE is presented to provide spatial data and geo-processing services. In client side ,there are many approaches such as VRML, Java3D, Chromeffects to implement the visualization of spatial data ,The VRML method combined with Java3D is described in detail in this paper. The prototype of VPE in the virtual city zone under P2P network environment is studied. Moreover, how to organize distributed spatial data and process instant geo-spatial information is explained. In the end, some conclusions are drawn and some suggestions are proposed for later construction of VPE.
机译：结合Java3D和XML的“虚拟现实模型语言（VRML）”是使新一代的三维万维网（Web-3D）实现的关键技术之一。借助三维虚拟风景的补充，VRML可以以3D方式可视化信息并将其承载在Internet中。而且，VRML技术的发展也将成为城市规划者应关注的焦点。通过帮助在INTERNET中引入规划信息并显示规划工作，并吸引越来越多的人来关心和参与城市规划工作，它将使城市规划工作焕然一新。基于Internet的虚拟规划环境（VPE）是一种交互式分布式3D虚拟地理环境（VGE）是由多个接口运行的N层复杂系统。在服务器端，提出了由J2EE构建的GIS业务逻辑流程，以提供空间数据和地理处理服务。在客户端，有很多实现空间数据可视化的方法，例如VRML，Java3D，Chromeffects。本文详细介绍了结合Java3D的VRML方法。研究了P2P网络环境下虚拟城区中的VPE原型。此外，说明了如何组织分布式空间数据和处理即时地理空间信息。最后，得出了一些结论，并为以后的VPE建设提出了一些建议。

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