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公开(公告)号：EP0738876A2
公开(公告)日：1996-10-23
申请号：EP96106194.2
申请日：1996-04-19
发明人： Endo, Yoshinori , Fujiwara, Toshio , Shojima, Hiroshi , Hirano, Motoki , Harada, Kaoru , Aikawa, Tetsumori
CPC分类号： G01C21/3673 , G01C21/3635 , G09B29/005 , G09B29/10
摘要： A navigation apparatus for displaying most appropriately information such as character strings, routes, etc., when a map is displayed by bird's-eye view display. The navigation apparatus includes a portion (1) for calculating the present position on the basis of information from sensors (S5-S8), a portion for executing perspective conversion operation for displaying a map by bird's-eye view display, a portion for disposing the present position or the present position and a position representing a destination at the most suitable positions, a portion for controlling so that overlap of character strings can be eliminated, a portion for controlling the same character strings, a portion for displaying most appropriately a background such as lines and planes, a portion (70) for controlling marks to be displayed, and a portion (71) for executing graphic plotting by using the resulting map data.
摘要翻译： 当通过俯视图显示来显示地图时，用于显示诸如字符串，路线等的最适当的信息的导航设备。 该导航设备包括用于基于来自传感器的信息计算当前位置的部分（1），用于执行用于通过俯瞰图显示来显示地图的透视转换操作的部分，用于布置 当前位置或当前位置以及代表目的地在最合适位置的位置，用于控制以使得可以消除字符串的重叠的部分，用于控制相同字符串的部分，用于最适当地显示背景等的部分 作为线和平面，用于控制要被显示的标记的部分（70）以及用于通过使用所得到的地图数据来执行图形绘制的部分（71）。
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公开(公告)号：EP0738874A3
公开(公告)日：1999-03-10
申请号：EP96106100.9
申请日：1996-04-18
发明人： Endo, Yoshinori , Fujiwara, Toshio , Satake, Hiroyuki , Shojima, Hiroshi , Kishi, Norimasa , Watanabe, Masaki , Hirano, Motoki
CPC分类号： G01C21/3635 , G01C21/367 , G01C21/3673 , G09B29/106
摘要： In a navigation system using a bird's-eye view display mode, map data on a plan view map are subjected to a perspective projection conversion to obtain drawing data on a bird's-eye view map. In this case, an input of the position of a view point is accepted, and a projection plane for a bird's-eye view is determined on the basis of the coordinates of a current position and a destination and the position of the view point so that the display positions of the two points which have been subjected to perspective-projection conversion are coincident with predetermined positions. Alternatively, an input of a scale is accepted, and the position of the view point and the projection plane are determined on the basis of the coordinates of the two points and the scale so that the display positions of the two points after the perspective projection conversion are coincident with predetermined positions and the drawing scale is coincident with the input scale. Or, as a further alternative, an input of the projection angle is accepted, and the projection plane is determined on the basis of the projection angle and the position of the view point.
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公开(公告)号：EP0738874A2
公开(公告)日：1996-10-23
申请号：EP96106100.9
申请日：1996-04-18
发明人： Endo, Yoshinori , Fujiwara, Toshio , Satake, Hiroyuki , Shojima, Hiroshi , Kishi, Norimasa , Watanabe, Masaki , Hirano, Motoki
CPC分类号： G01C21/3635 , G01C21/367 , G01C21/3673 , G09B29/106
摘要： In a navigation system using a bird's-eye view display mode, map data on a plan view map are subjected to a perspective projection conversion to obtain drawing data on a bird's-eye view map. In this case, an input of the position of a view point is accepted, and a projection plane for a bird's-eye view is determined on the basis of the coordinates of a current position and a destination and the position of the view point so that the display positions of the two points which have been subjected to perspective-projection conversion are coincident with predetermined positions. Alternatively, an input of a scale is accepted, and the position of the view point and the projection plane are determined on the basis of the coordinates of the two points and the scale so that the display positions of the two points after the perspective projection conversion are coincident with predetermined positions and the drawing scale is coincident with the input scale. Or, as a further alternative, an input of the projection angle is accepted, and the projection plane is determined on the basis of the projection angle and the position of the view point.
摘要翻译： 在使用鸟瞰图显示模式的导航系统中，对平面图上的地图数据进行透视投影转换，以获得鸟瞰图上的绘图数据。 在这种情况下，接受观察点的位置的输入，并且基于当前位置和目的地的坐标以及视点的位置来确定用于鸟瞰图的投影平面，使得 经过透视投影转换的两个点的显示位置与预定位置一致。 或者，接受标尺的输入，并且基于两个点和标尺的坐标来确定视点和投影平面的位置，使得在透视投影转换之后的两个点的显示位置 与预定位置一致，并且绘图尺度与输入刻度一致。 或者，作为另外的选择，接受投影角度的输入，并且基于投影角度和视点的位置来确定投影平面。
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公开(公告)号：EP0738876B1
公开(公告)日：2002-11-20
申请号：EP96106194.2
申请日：1996-04-19
发明人： Endo, Yoshinori , Fujiwara, Toshio , Shojima, Hiroshi , Hirano, Motoki , Harada, Kaoru , Aikawa, Tetsumori
IPC分类号： G01C21/20 , G09B29/10 , G08G1/0969 , G09B29/00
CPC分类号： G01C21/3673 , G01C21/3635 , G09B29/005 , G09B29/10
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公开(公告)号：EP0738874B1
公开(公告)日：2004-09-22
申请号：EP96106100.9
申请日：1996-04-18
发明人： Endo, Yoshinori , Fujiwara, Toshio , Satake, Hiroyuki , Shojima, Hiroshi , Kishi, Norimasa , Watanabe, Masaki , Hirano, Motoki
IPC分类号： G01C21/20 , G09B29/10 , G08G1/0969
CPC分类号： G01C21/3635 , G01C21/367 , G01C21/3673 , G09B29/106
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公开(公告)号：EP0738876A3
公开(公告)日：1999-02-10
申请号：EP96106194.2
申请日：1996-04-19
发明人： Endo, Yoshinori , Fujiwara, Toshio , Shojima, Hiroshi , Hirano, Motoki , Harada, Kaoru , Aikawa, Tetsumori
CPC分类号： G01C21/3673 , G01C21/3635 , G09B29/005 , G09B29/10
摘要： A navigation apparatus for displaying most appropriately information such as character strings, routes, etc., when a map is displayed by bird's-eye view display. The navigation apparatus includes a portion (1) for calculating the present position on the basis of information from sensors (S5-S8), a portion for executing perspective conversion operation for displaying a map by bird's-eye view display, a portion for disposing the present position or the present position and a position representing a destination at the most suitable positions, a portion for controlling so that overlap of character strings can be eliminated, a portion for controlling the same character strings, a portion for displaying most appropriately a background such as lines and planes, a portion (70) for controlling marks to be displayed, and a portion (71) for executing graphic plotting by using the resulting map data.
摘要翻译： 本发明涉及一种地图显示装置，包括存储装置（3），用于存储绘制预定区域的地图所需的地图数据; 地图显示装置（65），用于通过使用从所述存储装置读出的地图数据来显示鸟瞰图; 显示区域限制装置（81），用于将透视转换的消失点将鸟瞰图显示区域限制在存在于前景侧的那些区域; 背景显示装置（86），用于在由所述显示区域限制装置限制地图显示的区域中显示诸如水平线和天空的人造背景; 以及用于改变由所述背景显示装置显示的人造背景区域的颜色和图案的背景区域控制装置（86）。
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公开(公告)号：EP0752687A3
公开(公告)日：1997-02-05
申请号：EP96304298.1
申请日：1996-06-07
IPC分类号： G06T17/50
CPC分类号： G06T17/05 , G01C21/3635
摘要： A navigation system for vehicles comprises a read device that reads planar map data from a recording medium which stores in memory planimetric map data of a road map, a current position detection device that detects the current position of the vehicle, a storage circuit that stores in memory function tables for converting positional coordinates of nodes included in a road map area around the detected current position to positional coordinates of nodes on a bird's-eye-view map obtained by looking down upon the road map in a specific direction, at a specific look-down angle and a specific aspect angle from a viewpoint set above the vicinity of the detected current position and a bird's-eye-view map display data preparation circuit that reads out data related to coordinate positions of nodes on the bird's-eye-view map by operating the conversion table with the coordinate positions of nodes on the road map and prepares bird's-eye-view map display data for displaying the bird's-eye-view map on the monitor based upon the data thus read out.
摘要翻译： 一种用于车辆的导航系统，包括：读取装置，用于从记录介质中读取平面地图数据，所述记录介质存储道路地图的存储器的平面地图数据;当前位置检测装置，检测车辆的当前位置;存储电路， 存储功能表，用于将在检测到的当前位置周围的道路地图区域中包括的节点的位置坐标转换为通过在特定方向上俯视道路地图获得的鸟瞰图上的节点的位置坐标 从检测到的当前位置附近的上方设置的视点开始的俯视角度和特定的视角角度;以及鸟瞰图显示数据生成电路，其读出与鸟瞰图上的节点的坐标位置有关的数据 通过利用道路地图上的节点的坐标位置来操作转换表，并且准备用于显示鸟瞰图的鸟瞰图地图显示数据 在监视器上根据读出的数据。
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公开(公告)号：EP0752687B1
公开(公告)日：2003-05-07
申请号：EP96304298.1
申请日：1996-06-07
IPC分类号： G06T17/50
CPC分类号： G06T17/05 , G01C21/3635
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公开(公告)号：EP0752687A2
公开(公告)日：1997-01-08
申请号：EP96304298.1
申请日：1996-06-07
IPC分类号： G06T17/50
CPC分类号： G06T17/05 , G01C21/3635
摘要： A navigation system for vehicles comprises a read device that reads planar map data from a recording medium which stores in memory planimetric map data of a road map, a current position detection device that detects the current position of the vehicle, a storage circuit that stores in memory function tables for converting positional coordinates of nodes included in a road map area around the detected current position to positional coordinates of nodes on a bird's-eye-view map obtained by looking down upon the road map in a specific direction, at a specific look-down angle and a specific aspect angle from a viewpoint set above the vicinity of the detected current position and a bird's-eye-view map display data preparation circuit that reads out data related to coordinate positions of nodes on the bird's-eye-view map by operating the conversion table with the coordinate positions of nodes on the road map and prepares bird's-eye-view map display data for displaying the bird's-eye-view map on the monitor based upon the data thus read out.
摘要翻译： 用于车辆的导航系统包括读取装置，其从存储有路线图的存储器平面图数据的记录介质读取平面地图数据，检测车辆的当前位置的当前位置检测装置，存储在其中的存储电路 存储器功能表，用于将通过在特定方向上俯视路线图获得的鸟瞰图上的节点的位置坐标转换为检测到的当前位置周围的路线图区域中包含的节点的位置坐标， 俯视角度和从检测到的当前位置附近的视点设定的特定方位角，以及鸟瞰图显示数据准备电路，其读取与鸟瞰图上的节点的坐标位置相关的数据 通过操作具有路线图上的节点的坐标位置的转换表，并且准备用于显示鸟瞰图的鸟瞰图地图显示数据 基于所读出的数据在显示器上。
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