使用Java/sup TM/ applet在WWW上进行地理空间元数据查询和可视化

Naim Alper, Chuck Stein
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引用次数: 7

摘要

本文介绍了主环境库(MEL)系统的查询和可视化界面。MEL使用万维网(WWW)提供可访问的分布式数据,这些数据的元数据符合联邦地理数据委员会(FGDC)的数字地理空间元数据内容标准。这些接口是作为Java/sup TM/ applet实现的,比它们的超文本标记语言(HTML)对应物更直观、更具有交互性和更强大的功能。除了查询之外,该界面还允许用户可视化和管理查询结果列表,以便用户能够更快地发现真正感兴趣的数据集。介绍了几种用于可视化元数据属性的新工具。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Geospatial metadata querying and visualization on the WWW using Java/sup TM/ applets
This paper presents the query and visualization interfaces of the Master Environmental Library (MEL) system. MEL uses the World Wide Web (WWW) to make accessible distributed data whose metadata conform to the Federal Geographic Data Committee's (FGDC) content standards for digital geospatial metadata. The interfaces are implemented as Java/sup TM/ applets and are more intuitive, interactive and possess greater functionality than their Hypertext Markup Language (HTML) counterparts. As well as querying, the interface allows users to visualize and manage the list of query results so that users can more quickly discover the datasets of real interest. Several new tools used to visualize attributes of the metadata are presented.
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