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1. 发明申请

WO2014148041A1 THREE-DIMENSIONAL MAP DISPLAY DEVICE 审中-公开
标题翻译：三维地图显示设备
公开(公告)号：WO2014148041A1
公开(公告)日：2014-09-25
申请号：PCT/JP2014/001530
申请日：2014-03-18
申请人： GEO TECHNICAL LABORATORY CO., LTD.
发明人： KISHIKAWA, Kiyonari , TESHIMA, Eiji , ARAMAKI, Masatoshi , UCHINOUMI, Masashi , NAKAGAMI, Masaru , AZAKAMI, Tatsuya
IPC分类号： G09B29/00 , G06T17/05
CPC分类号： G09B29/007 , G01C21/3638 , G06T17/05 , G09B29/005 , G09B29/008 , G09B29/106
摘要： [Problem] An object is to effectively use the space of the sky or the background for display of character strings in a three-dimensional map. [Solution to Problem] A terminal 10 includes: a transmitter/ receiver 12 that obtains map data 22 used to display each feature three-dimensionally and character data 26 representing a character string to be displayed in the three-dimensional map from a map database 20; a feature image generator 14 that generates a feature image in which each feature is drawn three-dimensionally; and a character display controller 16 that controls display of the character string on the feature image. The character display controller 16 changes over at least one of a display direction and a number of display lines of the character string with respect to each of a plurality of areas in the feature image specified according to a distance from a viewpoint set for generating the feature image, such that a length of the character string in a vertical direction increases with a decrease in distance from the viewpoint.
摘要翻译： [问题]一个对象是有效地使用天空或背景的空间来在三维地图中显示字符串。 [问题的解决方案]终端10包括：发送器/接收器12，其从地图数据库20获取用于三维地显示每个特征的地图数据22和表示要在三维地图中显示的字符串的字符数据26 ; 特征图像生成器14，其生成其中每个特征被三维绘制的特征图像; 以及字符显示控制器16，其控制特征图像上的字符串的显示。字符显示控制器16相对于根据与用于生成特征的视点集合的距离指定的特征图像中的多个区域中的每一个区域，显示方向和字符串的显示行的数量中的至少一个图像，使得字符串在垂直方向上的长度随着与视点的距离的减小而增加。

2. 发明申请

WO2014148040A1 THREE-DIMENSIONAL MAP DISPLAY DEVICE 审中-公开
标题翻译：三维地图显示设备
公开(公告)号：WO2014148040A1
公开(公告)日：2014-09-25
申请号：PCT/JP2014/001529
申请日：2014-03-18
申请人： GEO TECHNICAL LABORATORY CO., LTD.
发明人： KISHIKAWA, Kiyonari , TESHIMA, Eiji , ARAMAKI, Masatoshi , UCHINOUMI, Masashi , NAKAGAMI, Masaru , AZAKAMI, Tatsuya
IPC分类号： G06T17/05 , G09B29/00
CPC分类号： G06T17/05 , G06T11/203 , G06T15/60 , G09B29/106
摘要： [Problem] In the case of displaying each feature along with a character string representing information with regard to the feature on a three-dimensional map, an object is to facilitate understanding of the relationship between the feature and the character string without reducing the reality of the three-dimensional map. [Solution to Problem] A terminal 10 includes: a transmitter/ receiver 12 that obtains map data 22 used to display each feature three-dimensionally, representative point position data representing position of a two-dimensional representative point of the feature and character data 26 used to display information with regard to the feature from a map database 20; a feature image generator 14 that generates a feature image in which each feature is drawn three-dimensionally; and a character display controller 16 that controls display of a character string representing information with regard to the feature on the feature image. The character display controller 16 displays the character string above the feature on the feature image, and displays a shadow image representing a shadow of the character string at a position related to the representative point on an upper surface of the feature, based on the representative point position data 24.
摘要翻译： [问题]在显示每个特征以及表示关于三维地图上的特征的信息的字符串的情况下，目的是促进对特征与字符串之间的关系的理解，而不会降低实际三维地图。 [问题的解决方案]终端10包括：发送器/接收器12，其获取用于三维地显示每个特征的地图数据22，表示特征的二维代表点的位置的代表点位置数据和使用的字符数据26的位置从地图数据库20显示关于特征的信息; 特征图像生成器14，其生成其中每个特征被三维绘制的特征图像; 以及字符显示控制器16，其控制表示关于特征图像上的特征的信息的字符串的显示。字符显示控制器16在特征图像上显示特征上方的字符串，并且基于代表点在特征图的上表面上的与代表点相关的位置处显示表示字符串的阴影的阴影图像位置数据24。

3. 发明申请

WO2014156007A1 THREE-DIMENSIONAL MAP DISPLAY SYSTEM 审中-公开
标题翻译：三维地图显示系统
公开(公告)号：WO2014156007A1
公开(公告)日：2014-10-02
申请号：PCT/JP2014/001328
申请日：2014-03-10
申请人： GEO TECHNICAL LABORATORY CO., LTD.
发明人： KISHIKAWA, Kiyonari , TESHIMA, Eiji , ARAMAKI, Masatoshi , UCHINOUMI, Masashi , NAKAGAMI, Masaru , AZAKAMI, Tatsuya , YONEKURA, Tatsurou
IPC分类号： G06T17/05 , G09B29/00
CPC分类号： G09B29/106 , G06T17/05
摘要： [Problem] An object is to improve the visibility of a linear object such as a road in display of a three-dimensional map by a bird's eye view. [Solution to Problem] In three-dimensional map data, polygon data representing three-dimensional shapes are stored for features such as buildings, and line data are stored for linear objects such as roads and railways. A process of displaying a three-dimensional map by a bird's eye view expands the width of line data to generate polygon data with respect to a linear object and displays a polygon PP and a line LL in an overlapping manner over the entire linear object. This causes the polygon PP to display the linear object with enhancing the sense of perspective in a close area to a viewpoint, while causing the line LL to display the linear object with keeping the minimum width, thus improving the visibility of the entire linear object.
摘要翻译： [问题]目的是通过鸟瞰图来提高线状对象（例如道路显示三维地图）的可视性。 [问题的解决方案]在三维地图数据中，存储表示三维形状的多边形数据，用于诸如建筑物的特征，并且线路对象如道路和铁路存储线数据。通过鸟瞰图显示三维地图的处理扩大了线数据的宽度，以生成相对于线性对象的多边形数据，并且在整个线性对象上以重叠的方式显示多边形PP和线LL。这使得多边形PP通过增加视点的靠近区域中的透视感来显示线性对象，同时使线LL以保持最小宽度显示线性对象，从而提高整个线状对象的可视性。

4. 发明申请

WO2014156004A1 THREE-DIMENSIONAL MAP DISPLAY SYSTEM 审中-公开
标题翻译：三维地图显示系统
公开(公告)号：WO2014156004A1
公开(公告)日：2014-10-02
申请号：PCT/JP2014/001320
申请日：2014-03-10
申请人： GEO TECHNICAL LABORATORY CO., LTD.
发明人： KISHIKAWA, Kiyonari , TESHIMA, Eiji , ARAMAKI, Masatoshi , UCHINOUMI, Masashi , NAKAGAMI, Masaru , AZAKAMI, Tatsuya
IPC分类号： G06T17/05 , G09B29/00
CPC分类号： G06T17/05 , G01C21/3638 , G06K9/34 , G06T7/536 , G06T2200/04 , G06T2207/30184 , G06T2210/36 , G06T2210/62 , G09B29/005 , G09B29/007
摘要： [Problem] An object is to display a three-dimensional map by combined use of map data in multiple levels. [Solution to Problem] A map database 130 stores map data in multiple levels having different levels of details, such as levels LVa to LVc. A procedure of displaying a three-dimensional map uses map data at a finer level having a higher level of map details for a close view area to a predetermined distance close to the viewpoint in a map display range, while using map data at a rougher level having a lower level of map details for a distant view area farther from the predetermined distance. The procedure draws the distant view area by perspective projection, clears a depth buffer that stores the depth used for hidden line removal and then draws the close view area by perspective projection. This avoids inadequate hidden line removal using the depth from being performed between a distant view image and a close view image and thereby avoids an unnatural phenomenon that part of the close view image is hidden by the distant view image.
摘要翻译： [问题]目的是通过在多个层次上组合使用地图数据来显示三维地图。 [问题的解决方案]地图数据库130存储具有不同等级细节的多个级别的地图数据，诸如级别LVa至LVc。显示三维地图的过程在地图显示范围内使用具有较高水平的地图细节的地图数据，在靠近视点的预定距离处，以更粗糙的水平使用地图数据对于远离预定距离的远视区具有较低水平的地图细节。该过程通过透视投影绘制遥远的视图区域，清除深度缓冲区，存储用于隐藏线删除的深度，然后通过透视投影绘制近视图区域。这避免了使用远距离观看图像和近距离图像之间的深度进行的隐藏线删除，从而避免了远景图像隐藏了近视图像的一部分的不自然现象。

5. 发明申请

WO2014156050A1 THREE-DIMENSIONAL IMAGE OUTPUT DEVICE AND BACKGROUND IMAGE GENERATION DEVICE 审中-公开
标题翻译：三维图像输出装置和背景图像生成装置
公开(公告)号：WO2014156050A1
公开(公告)日：2014-10-02
申请号：PCT/JP2014/001531
申请日：2014-03-18
申请人： GEO TECHNICAL LABORATORY CO., LTD.
发明人： KISHIKAWA, Kiyonari , TESHIMA, Eiji , ARAMAKI, Masatoshi , UCHINOUMI, Masashi , NAKAGAMI, Masaru , AZAKAMI, Tatsuya
IPC分类号： G06T17/05 , G06T15/00 , G06T19/00 , G09B29/00
CPC分类号： G06T11/60 , G01C21/3638 , G06F3/013 , G06T17/05 , G06T2215/16 , G06T2219/2012 , G09B29/005 , H04N5/272 , H04N9/045
摘要： [Problem] An object is to improve the reality of a drawn background while suppressing an increase in processing load in output of a three-dimensional image in which an object is drawn three-dimensionally, along with a background image. [Solution to Problem] A projection is drawn by perspective projection of a three-dimensional model. When the gaze direction of perspective projection is set to look down from above, the projection is drawn in an object drawing range in a lower part of an image. A background layer representing the stratosphere is generated by two-dimensionally drawing a background image provided separately from the projection. The stratosphere (hatched area) is specified as an opaque portion, and the residual area is specified as a transparent portion. The boundary between the transparent portion and the opaque portion is expressed by a curved line that is convex upward to express the horizon of the curved line. The background layer is superimposed not behind the projection but on the front surface of the projection. This causes an upper edge portion of the projection including the upper edge drawn by a straight line to be covered and hidden and expresses the boundary by the curved line. This provides a pseudo-image expressing the horizon by the curved line.
摘要翻译：问题在于，与背景图像同时抑制三维图像的三维图像的输出的处理负荷的增加，来改善绘制背景的实际。 [问题的解决方案]通过三维模型的透视投影画出投影。当将透视投影的注视方向设置为从上方向下俯视时，在图像的下部的对象绘制范围内绘制投影。通过二维绘制与投影分开设置的背景图像来生成表示平流层的背景层。将平流层（阴影区域）指定为不透明部分，将残留区域指定为透明部分。透明部分和不透明部分之间的边界由向上凸起以表示曲线的水平线的曲线表示。背景层不叠在投影的后面，而是在投影的前表面上。这使得包括由直线画出的上边缘的突起的上边缘部分被覆盖和隐藏，并且通过曲线表示边界。这提供了通过曲线表示水平线的伪图像。

6. 发明申请

WO2014156006A1 THREE-DIMENSIONAL MAP DISPLAY SYSTEM 审中-公开
标题翻译：三维地图显示系统
公开(公告)号：WO2014156006A1
公开(公告)日：2014-10-02
申请号：PCT/JP2014/001325
申请日：2014-03-10
申请人： GEO TECHNICAL LABORATORY CO., LTD.
发明人： KISHIKAWA, Kiyonari , TESHIMA, Eiji , ARAMAKI, Masatoshi , UCHINOUMI, Masashi , NAKAGAMI, Masaru , AZAKAMI, Tatsuya , YONEKURA, Tatsurou
IPC分类号： G06T17/05 , G09B29/00
CPC分类号： G06T17/05 , G06T7/507 , G06T7/536 , G06T7/64 , G06T15/20 , G06T15/503 , G06T15/60 , G06T19/20 , G06T2200/04 , G06T2207/30184 , G06T2207/30188 , G06T2210/36 , G06T2210/61 , G06T2210/62 , G09B29/005 , G09B29/12
摘要： [Problem] An object is to provide a feature polygon with the stereoscopic effect in display of a three-dimensional map in a bird's eye view. [Solution to Problem] Shading wall polygons are set in addition to feature polygons in three-dimensional map data. The shading wall polygon is a virtual plate-like polygon provided vertically, for example, along a boundary of a feature polygon. When provided around the water system, the shading wall polygon is specified to be opaque on one surface viewed from the water system side and to be transparent on the opposite surface. The shading wall polygons are drawn along with the feature polygons in the process of displaying a map. The shading wall polygon is drawn in black, gray or the like only at a location where the surface specified to be opaque faces a gaze direction. This enables shading to be provided in an appropriate direction according to the gaze direction in display with a bird's eye view, thus providing a polygon with the stereoscopic effect in a simulative manner.
摘要翻译： [问题]目的是在鸟瞰图中提供具有立体效果的特征多边形以显示三维地图。 [问题的解决方案]除了三维地图数据中的特征多边形之外，还设置了阴影墙多边形。阴影壁多边形是垂直设置的虚拟板状多边形，例如沿着特征多边形的边界。当围绕水系统设置时，遮阳墙多边形在从水系统侧观察的一个表面上是不透明的，并且在相对表面上是透明的。在显示地图的过程中，阴影墙多边形与特征多边形一起绘制。遮光墙多边形仅在指定为不透明的表面面向凝视方向的位置处绘制成黑色，灰色等。这样可以根据用鸟瞰图显示的视线方向在适当的方向上设置阴影，从而以模拟方式提供具有立体效果的多边形。

7. 发明申请

WO2014156005A1 THREE-DIMENSIONAL MAP DISPLAY SYSTEM 审中-公开
标题翻译：三维地图显示系统
公开(公告)号：WO2014156005A1
公开(公告)日：2014-10-02
申请号：PCT/JP2014/001323
申请日：2014-03-10
申请人： GEO TECHNICAL LABORATORY CO., LTD.
发明人： KISHIKAWA, Kiyonari , TESHIMA, Eiji , ARAMAKI, Masatoshi , UCHINOUMI, Masashi , NAKAGAMI, Masaru , AZAKAMI, Tatsuya , YONEKURA, Tatsurou
IPC分类号： G06T17/05 , G06T15/00 , G09B29/00
CPC分类号： G06T15/20 , G01C21/00 , G01C21/3638 , G06F3/00 , G06F3/04815 , G06K9/34 , G06T7/536 , G06T9/20 , G06T15/405 , G06T17/05 , G06T2200/04 , G06T2207/30184 , G06T2207/30188 , G06T2210/36 , G06T2210/61 , G06T2210/62 , G06T2219/2004 , G06T2219/2021 , G09B29/00 , G09B29/005 , G09B29/106
摘要： [Problem] An object is to avoid the occurrence of Z-fighting in a distant area from the viewpoint in display of a three-dimensional map. [Solution to Problem] A map database 130 stores three-dimensional polygons of features, as well as water system polygons such as sea and lake and ground surface polygons. The map database 130 stores map data in multiple levels having different levels of details, such as levels LVa to LVc. A procedure of displaying a three-dimensional map offsets the water systems relative to the ground surfaces, draws a map of a distant view area distant away from the viewpoint using map data at a low level of details, subsequently clears a depth buffer and newly draws a map of a close view area close to the viewpoint using map data at a high level of details. The offset is set to increase in the distant view area and decrease in the close view area. Increasing the offset in the distant view area avoids the occurrence of Z-fighting in the distant area from the viewpoint.
摘要翻译： [问题]一个目的是避免在三维地图的显示中从远离的区域发生Z战斗。 [问题的解决方案]地图数据库130存储特征的三维多边形，以及水系统多边形，例如海和湖和地面多边形。地图数据库130存储具有不同等级细节的多个级别的地图数据，诸如级别LVa至LVc。显示三维地图的过程相对于地面对水系统进行偏移，利用低水平细节的地图数据绘制远离视点的遥远视野区域的地图，随后清除深度缓冲区并新绘制以高水平的细节，使用地图数据接近视点的近视景区域的地图。偏移设置为在远视区域增加并且在近视区域中减小。增加遥远视野区域的偏移量避免了从远处看远处的Z战斗的发生。

8. 发明申请

WO2014148039A1 DRAWING DATA GENERATION DEVICE AND DRAWING DEVICE 审中-公开
标题翻译：绘图数据生成装置和绘图装置
公开(公告)号：WO2014148039A1
公开(公告)日：2014-09-25
申请号：PCT/JP2014/001528
申请日：2014-03-18
申请人： GEO TECHNICAL LABORATORY CO., LTD.
发明人： KISHIKAWA, Kiyonari , TESHIMA, Eiji , ARAMAKI, Masatoshi , UCHINOUMI, Masashi , NAKAGAMI, Masaru , AZAKAMI, Tatsuya
IPC分类号： G06T11/20 , G06T11/60 , G09B29/00
CPC分类号： G06T11/203 , G01C21/00 , G06F17/30061 , G06F17/30321 , G06T11/60 , G09B29/106
摘要： [Problem] An object is to enhance the drawing speed of an image using a graphics library. [Solution to Problem] An integration process is performed to integrate line data used for drawing linear features such as roads with respect to map data used to display a map image. The integration process first groups line data by the line type and the line width, for example, lines L1 and L3 drawn by thin solid lines and lines L2, L4 and L5 drawn by thick solid lines. The integration process subsequently links the lines L1 and L3 by a hidden line LA1 and links the lines L2, L4 and L5 by hidden lines LA2 and LA3, so as to integrate line data to an integral line with respect to each group. Such integration of line data reduces the number of calls for a line function used for line drawing provided in a graphics library in the process of drawing a map using the map data including the integrated line data, thereby shortening the processing time required for calling.
摘要翻译： [问题]一个对象是使用图形库增强图像的绘制速度。 [问题的解决方案]执行集成处理以集成用于绘制线性特征（例如道路）的线数据相对于用于显示地图图像的地图数据。集成处理首先按行类型和行宽划分行数据，例如由细实线绘制的行L1和L3，粗实线绘制的线L2，L4和L5。集成处理随后通过隐藏线LA1将线L1和L3连接，并且通过隐藏线LA2和LA3将线L2，L4和L5链接，以便将线数据相对于每个组集成到积分线。线数据的这种集成减少了在使用包括集成行数据的地图数据绘制地图的过程中在图形库中提供的用于线图的线路函数的调用次数，从而缩短了调用所需的处理时间。

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