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    • 3. 发明授权
    • Method and apparatus for searching polygon object through map database of navigation system
    • 通过导航系统地图数据库搜索多边形对象的方法和装置
    • US08862401B2
    • 2014-10-14
    • US11732562
    • 2007-04-04
    • Jianning Zhuang
    • Jianning Zhuang
    • G01C21/00G01C21/26G01C21/36G08G1/0969
    • G01C21/3679G01C21/3611G01C21/3644
    • A method and apparatus for searching polygon objects defined by polygon data in the map database of a navigation system when such polygon objects are not associated with any POIs. The method includes the steps of creating a data table which arranges information on the polygon objects in the map database based on polygon names, creating a data table which arranges information on the polygon objects in the map database based on polygon locations, prompting a user to specify a desired polygon object through a screen of the navigation system either by a polygon name or a polygon location, retrieving candidate polygon objects from the corresponding data tables that match inputs specified by the user and displaying a list of the retrieved polygon objects in a predetermined order, and allowing the user to finalize selection of the desired polygon object.
    • 当这种多边形对象不与任何POI相关联时,用于在导航系统的地图数据库中搜索由多边形数据定义的多边形对象的方法和装置。 该方法包括以下步骤:基于多边形名称,创建在地图数据库中对多边形对象进行信息的数据表,基于多边形位置创建数据表,该数据表根据多边形位置在地图数据库中排列多边形对象的信息,提示用户 通过导航系统的屏幕通过多边形名称或多边形位置指定期望的多边形对象,从与用户指定的输入相匹配的相应数据表中检索候选多边形对象,并以预定的方式显示所检索的多边形对象的列表 并且允许用户最终确定所需多边形对象的选择。
    • 8. 发明申请
    • Method and apparatus for searching polygon object through map database of navigation system
    • 通过导航系统地图数据库搜索多边形对象的方法和装置
    • US20080249701A1
    • 2008-10-09
    • US11732562
    • 2007-04-04
    • Jianning Zhuang
    • Jianning Zhuang
    • G01C21/00
    • G01C21/3679G01C21/3611G01C21/3644
    • A method and apparatus for searching polygon objects defined by polygon data in the map database of a navigation system when such polygon objects are not associated with any POIs. The method includes the steps of creating a data table which arranges information on the polygon objects in the map database based on polygon names, creating a data table which arranges information on the polygon objects in the map database based on polygon locations, prompting a user to specify a desired polygon object through a screen of the navigation system either by a polygon name or a polygon location, retrieving candidate polygon objects from the corresponding data tables that match inputs specified by the user and display a list of the retrieved polygon objects in a predetermined order, and allowing the user to finalize selection of the desired polygon object.
    • 当这种多边形对象不与任何POI相关联时,用于在导航系统的地图数据库中搜索由多边形数据定义的多边形对象的方法和装置。 该方法包括以下步骤:基于多边形名称,创建在地图数据库中对多边形对象进行信息的数据表,基于多边形位置创建数据表,该数据表根据多边形位置在地图数据库中排列多边形对象的信息,提示用户 通过导航系统的屏幕通过多边形名称或多边形位置来指定期望的多边形对象,从与用户指定的输入匹配的相应数据表中检索候选多边形对象,并以预定的方式显示所检索的多边形对象的列表 并且允许用户最终确定所需多边形对象的选择。