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Vector-based geographic data

机译:基于矢量的地理数据

摘要

The present invention discloses a method, apparatus, and article of manufacture for a computer implemented geographic information system that enables viewing a map picture that is generated from vector-based data. Map pictures can be generated with vector-based data. Map pictures created with vector-based data can be viewed. Additionally, map pictures are comprised of map objects, such as states and cities. Map objects can be chosen to obtain additional information, for example, a different map picture. Additionally, areas of the map picture can be zoomed in on to view the areas with greater resolution or to obtain additional data about the areas. Furthermore, when a user requests to view a map picture, only the map data required to respond to the user's request is downloaded to generate a map picture. As a user makes additional requests for information, additional map data is downloaded and new map pictures generated.
机译:本发明公开了一种用于计算机实现的地理信息系统的方法,装置和制造品,其使得能够查看从基于矢量的数据生成的地图图片。可以使用基于矢量的数据生成地图图片。可以查看使用基于矢量的数据创建的地图图片。此外,地图图片由地图对象(例如州和城市)组成。可以选择地图对象以获得其他信息,例如不同的地图图片。此外,可以放大地图图片的区域,以更高的分辨率查看区域或获取有关区域的其他数据。此外,当用户请求观看地图图片时,仅下载响应用户请求所需的地图数据以生成地图图片。当用户提出其他信息请求时,将下载其他地图数据并生成新的地图图片。

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