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    • 1. 发明申请
    • SYSTEM AND METHOD FOR PROCESSING MAP IMAGES
    • 用于处理地图图像的系统和方法
    • US20080174593A1
    • 2008-07-24
    • US11624250
    • 2007-01-18
    • Todd E. HamKurt L. FeldbushJason M. AsbellSean O. Miniclier
    • Todd E. HamKurt L. FeldbushJason M. AsbellSean O. Miniclier
    • G06T1/00
    • G06F17/30902
    • A system of processing map images includes a Web Mapping Service (WMS) for storing map images. A WMS proxy is operative with the WMS and receives from a client a request for a map image for display at the client. A WMS proxy includes a tile broker module that converts the request for the map image into a series of requests for obtaining map tiles. A cache system that stores the map tiles. The tile broker module is operative for returning cached map tiles if they already exist within the cache and retrieving map tiles from the WMS if map tiles are not returned from the cache. A tile building module is operative for building a map image at the WMS proxy from the map tiles in a requested format and resolution and displaying the map image at the client without resampling at the client.
    • 处理地图图像的系统包括用于存储地图图像的Web映射服务(WMS)。 WMS代理与WMS一起工作,并从客户端接收请求用于在客户端显示的地图图像。 WMS代理包括瓦片代理模块,其将地图图像的请求转换成用于获取地图块的一系列请求。 存储地图图块的缓存系统。 如果瓷砖代理模块已经存在于高速缓存中,则返回高速缓存的地图块,并且如果不从高速缓存返回地图块,则从WMS检索地图块。 瓦片建造模块用于以所请求的格式和分辨率从地图瓦片在WMS代理处建立地图图像,并且在客户端处不重新采样地在客户端处显示地图图像。
    • 2. 发明授权
    • System and method for processing map images
    • 用于处理地图图像的系统和方法
    • US08130245B2
    • 2012-03-06
    • US11624250
    • 2007-01-18
    • Todd E. HamKurt L. FeldbushJason M. AsbellSean O. Miniclier
    • Todd E. HamKurt L. FeldbushJason M. AsbellSean O. Miniclier
    • G09G5/00
    • G06F17/30902
    • A system of processing map images includes a Web Mapping Service (WMS) for storing map images. A WMS proxy is operative with the WMS and receives from a client a request for a map image for display at the client. A WMS proxy includes a tile broker module that converts the request for the map image into a series of requests for obtaining map tiles. A cache system that stores the map tiles. The tile broker module is operative for returning cached map tiles if they already exist within the cache and retrieving map tiles from the WMS if map tiles are not returned from the cache. A tile building module is operative for building a map image at the WMS proxy from the map tiles in a requested format and resolution and displaying the map image at the client without resampling at the client.
    • 处理地图图像的系统包括用于存储地图图像的Web映射服务(WMS)。 WMS代理与WMS一起工作,并从客户端接收请求用于在客户端显示的地图图像。 WMS代理包括瓦片代理模块,其将地图图像的请求转换成用于获取地图块的一系列请求。 存储地图图块的缓存系统。 如果瓷砖代理模块已经存在于高速缓存中,则返回高速缓存的地图块,并且如果不从高速缓存返回地图块,则从WMS检索地图块。 瓦片建筑模块用于以所请求的格式和分辨率从地图瓦片在WMS代理处建立地图图像,并且在客户端处不重新采样地在客户端处显示地图图像。