多媒体技术在地理信息系统中的应用
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多媒体技术在地理信息系统中的应用(中文3800字,英文2500字)
摘 要 将多媒体技术应用于地理信息系统中的关键问题是：如何有效地管理多媒体数据和空间数据；其次，在区域分析过程中，怎样实现多媒体播放功能.指出用扩充的关系数据模型作为多媒体数据模型较适宜；多媒体功能的实现则取决于多媒体数据的格式是否为RIFF格式以及对多媒体数据的应用要求.最后展示了多媒体技术在地理信息系统中的应用前景.
关键词 性数据；多媒体技术；地理信息系统；空间数据；属区域分析；数据模型
Multimedia technologies in geographic information system's application
【Abstract】 multimedia technology used in geographic information systems in key question is: How effective management of multimedia data and spatial data; Secondly, in the process of regional analysis and how to achieve multimedia player. Noted that with expansion of the relationship between the data model as a multimedia data model It would be more appropriate; multimedia functions will depend on the realization of the multimedia data format for the RIFF format and the multimedia data application requirements. Finally display of multimedia technology in a geographic information system applications.
【Keywords】 multimedia technology, geographic information systems, spatial data, attribute data, regional analysis, data model.