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首页> 外文会议>Conference on Radar Sensor Technology and Data Visualization, Apr 1-4, 2002, Orlando, USA >Building the Visual Earth
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Building the Visual Earth

机译：建立视觉地球

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摘要

Over the past several years there has been a broad effort towards realizing the Digital Earth, which involves the digitization of all earth-related data and the organization of these data into common repositories for wide access. Recently the idea has been proposed to go beyond these first steps and produce a Visual Earth, where a main goal is a comprehensive visual query and data exploration system. Such a system could significantly widen access to Digital Earth data and improve its use. It could provide a common framework and a common picture for the disparate types of data available now and contemplated in the future. In particular much future data will stream in continuously from a variety of ubiquitous, online sensors, such as weather sensors, traffic sensors, pollution gauges, and many others. The Visual Earth will be especially suited to the organization and display of these dynamic data. This paper lays the foundation and discusses first efforts towards building the Visual Earth. It shows that the goal of interactive visualization requires consideration of the whole process including data organization, query, preparation for rendering, and display. Indeed, visual query offers a set of guiding principles for the integrated organization, retrieval, and presentation of all types of geospatial data. These include terrain elevation and imagery data, buildings and urban models, maps and geographic information, geologic features, land cover and vegetation, dynamic atmospheric phenomena, and other types of data.
机译：在过去的几年中，为实现数字地球做出了广泛的努力，其中涉及将所有与地球相关的数据进行数字化，并将这些数据组织到通用存储库中以进行广泛访问。最近，已经提出了超越这些第一步的想法，并产生了一个Visual Earth，Visual Earth的主要目标是建立一个全面的视觉查询和数据浏览系统。这样的系统可以大大拓宽数字地球数据的访问范围并改善其使用。它可以为现在可用和将来考虑的不同类型的数据提供一个通用框架和通用图片。尤其是未来的数据将不断从各种无处不在的在线传感器（例如天气传感器，交通传感器，污染测量仪以及许多其他传感器）中连续流入。 Visual Earth将特别适合于这些动态数据的组织和显示。本文奠定了基础，并讨论了构建“视觉地球”的第一步。它表明，交互式可视化的目标需要考虑整个过程，包括数据组织，查询，渲染准备和显示。实际上，视觉查询为整合组织，检索和表示所有类型的地理空间数据提供了一组指导原则。这些数据包括地形标高和图像数据，建筑物和城市模型，地图和地理信息，地质特征，土地覆盖和植被，动态大气现象以及其他类型的数据。

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