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A Distributed Web GIS Application Based on Component Technology and Fractal Image Compression

机译:基于组件技术和分形图像压缩的分布式Web GIS应用程序

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Geographic information system (GIS) technology is a combination of computer's graphic and database to store and process spatial information. According to the users' demands, GIS exports the exact geographic information and related information for users with map and description through associating geographic place and related attributes. Based on the existing popular technology, this paper presents a distributed web GIS application based on component technology and fractal image compression. It presents the basic framework of the proposed system at first, and then discusses the key technology of implementing this system; finally it designs a three-layer WEB GIS instance using VC++ ATL based on Geo Beans. The example suggests the proposed design is correct, feasible and valid.
机译:地理信息系统(GIS)技术是计算机的图形和数据库的组合,用于存储和处理空间信息。根据用户的要求,GIS通过将地理位置和相关属性与地图和描述导出具有地图和描述的用户的确切地理信息和相关信息。基于现有的流行技术,本文介绍了基于组件技术和分形图像压缩的分布式Web GIS应用。它首先介绍了所提出的系统的基本框架,然后讨论实施该系统的关键技术;最后,它使用基于Geo Bean的VC ++ ATL设计了一个三层Web GIS实例。该示例表明,所提出的设计是正确的,可行和有效的。

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