Data structure of route guidance database
    1.
    发明授权
    Data structure of route guidance database 有权
    路线指导数据库的数据结构

    公开(公告)号:US08600654B2

    公开(公告)日:2013-12-03

    申请号:US12677506

    申请日:2008-10-21

    IPC分类号: G01C21/00

    摘要: A route guidance device is provided with a two-dimensional road network for a route search, a three-dimensional road network for a route guidance, and guiding line shape data. The guiding line shape data is three-dimensional guidance display data for guiding an operator to go straight through, or to make a right turn, left turn, etc. at intersections in accordance with a passage mode, or to switch lanes before entering an intersection. A link node of the two-dimensional road network is associated with the guiding line shape data through the three-dimensional road network. The route search uses the two-dimensional road network, and the route guidance uses the guiding line shape data associated with the link node acquired by the route search. The present invention can realize an instinctively understandable route guidance that follows a passage mode without increasing a load of a route search.

    摘要翻译: 路线引导装置具有用于路线搜索的二维道路网络,用于路线引导的三维道路网络和引导线形状数据。 引导线形状数据是用于引导操作者按照通过模式直接通过或在交叉路口处进行右转,左转等的三维引导显示数据,或者在进入交叉点之前切换车道 。 二维道路网络的链路节点通过三维道路网与引导线形状数据相关联。 路线搜索使用二维道路网络,路线引导使用与通过路线搜索获取的链路节点相关联的引导线形状数据。 本发明可以在不增加路径搜索的负载的情况下实现跟随通道模式的本能可理解的路线引导。

    THREE-DIMENSIONAL MAP DRAWING SYSTEM
    2.
    发明申请
    THREE-DIMENSIONAL MAP DRAWING SYSTEM 审中-公开
    三维地图绘图系统

    公开(公告)号:US20130057550A1

    公开(公告)日:2013-03-07

    申请号:US13609199

    申请日:2012-09-10

    IPC分类号: G06T17/00

    摘要: A three-dimensional map is provided by preserving its scale. The three-dimensional map is drawn based on prepared landscape feature data which three-dimensionally draws roads, buildings, and other landscape features. The landscape feature data is generated by a parallel projection method which projects an actual landscape feature (CST2) upon a projection plane (PL2) with parallel lines along the projection direction (PRJ), rather than a perspective projection. The landscape feature data is provided by either two-dimensional raster data or polygonal data that draws a parallel projected projection map. It is possible to draw the three-dimensional map by only drawing the prepared landscape feature data, without rendering or other load-intensive processing. Unlike the perspective projection, the parallel projection preserves the positional relationships among buildings and the scale of shapes, so as to provide a three-dimensional map in which the scale is preserved.

    摘要翻译: 通过保留其尺度来提供三维地图。 基于三维绘制道路,建筑物和其他景观特征的准备的景观特征数据绘制三维地图。 景观特征数据是通过平行投影方法产生的,该平行投影方法将投影平面(PL2)上的实际景观特征(CST2)投影到具有沿着投影方向(PRJ)的平行线,而不是透视投影。 景观特征数据由绘制平行投影图的二维光栅数据或多边形数据提供。 只需绘制准备的景观特征数据即可绘制三维地图,而不进行渲染或其他负载密集型处理。 与透视投影不同,平行投影保留了建筑物之间的位置关系和形状的尺度,从而提供了保存刻度的三维图。

    DATA STRUCTURE OF ROUTE GUIDANCE DATABASE
    3.
    发明申请
    DATA STRUCTURE OF ROUTE GUIDANCE DATABASE 有权
    路由指导数据库的数据结构

    公开(公告)号:US20110054783A1

    公开(公告)日:2011-03-03

    申请号:US12677506

    申请日:2008-10-21

    IPC分类号: G01C21/34 G01C21/00

    摘要: It is an object to realize a route guidance that follows a real passage mode without a feeling of wrongness. In a route guidance device, aside from a two-dimensional road network for a route search, a three-dimensional road network used for the route guidance and guiding line shape data are prepared. The guiding line shape data are three-dimensional guidance display data that guide you to go straight through a crossroads, to turn right, to turn left, etc. in accordance with a passage mode or guide you to change a car lane before you enter a crossroads. A link node of the two-dimensional road network is associated with the guiding line shape data through the three-dimensional road network. The route search is carried out by using the two-dimensional road network. The route guidance is carried out by using the guiding line shape data associated with the link node acquired by the route search. This can realize an instinctively understandable route guidance that follows a passage mode without increasing a load of a route search.

    摘要翻译: 实现在没有错误感的情况下遵循真正的通行模式的路线引导的对象。 在路线引导装置中,除了用于路线搜索的二维道路网之外,准备了用于路线引导和引导线形状数据的三维道路网。 引导线形状数据是三维引导显示数据,可以引导您直接穿过十字路口,按照通道模式向右转,左转等,或者指导您在进入之前更换车道 十字路口。 二维道路网络的链路节点通过三维道路网与引导线形状数据相关联。 路线搜索是通过二维道路网进行的。 通过使用与通过路线搜索获取的链路节点相关联的引导线形状数据来执行路线引导。 这可以实现沿着通道模式而不增加路线搜索的负载的本能可理解的路线引导。