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1. 发明公开

EP3051498A1 THREE-DIMENSIONAL-MAP DISPLAY SYSTEM 审中-公开
标题翻译：安捷列斯卡
公开(公告)号：EP3051498A1
公开(公告)日：2016-08-03
申请号：EP15765953.3
申请日：2015-02-02
申请人： Geo Technical Laboratory Co., Ltd.
发明人： ARAMAKI Masatoshi , KISHIKAWA Kiyonari , TESHIMA Eiji , UCHINOUMI Masashi , NAKAGAMI Masaru , AZAKAMI Tatsuya , YONEKURA Tatsurou
IPC分类号： G06T17/05 , G06T11/60 , G09B29/00 , G09B29/10
CPC分类号： G09B29/106 , G01C21/3635 , G01C21/3638 , G06T17/05 , G06T19/003 , G09B29/005 , G09B29/10
摘要： [Object]
To display a 3D map representing a feature that cannot be visually recognized such as an underground structure without a sense of discomfort.
[Solution]
With respect to features stored in the map database, an underground structure such as a tunnel are classified into a transmissive object, and other features into a non-transmissive object. Then, a transmissive object and a non-transmissive object are projected individually so as to generate a transmissive object projection view and a non-transmissive object projection view. The transmissive object projection view thus obtained is superposed on the non-transmissive object projection view with adjusted transmittance. Making the transmissive object to be transmissive and superposing it enables to realize a map that appears to the user as if a ground surface or a feature which has shielded the transmissive object is made to be transmissive whereby the transmissive object come to be visible.
摘要翻译： [对象]显示表示无法视觉识别的特征的3D地图，如地下结构，没有不适感。 [解决方案]关于存储在地图数据库中的特征，诸如隧道的地下结构被分类为透射物体，其他特征被分类成非透射物体。然后，分别投射透射物体和非透射物体，以便产生透射物体投射视图和非透射物体投影视图。由此获得的透射物体投影图像被调整的透射率重叠在非透射物体投影视图上。使透射物体透射并叠加，使得能够实现对使用者出现的地图，就好像已将屏蔽透射物体的地面或特征透射，从而透射物体变得可见。

2. 发明公开

EP3051497A1 THREE-DIMENSIONAL MAP DISPLAY SYSTEM 审中-公开
标题翻译：安捷列斯卡
公开(公告)号：EP3051497A1
公开(公告)日：2016-08-03
申请号：EP15748712.5
申请日：2015-02-02
申请人： Geo Technical Laboratory Co., Ltd.
发明人： ARAMAKI Masatoshi , KISHIKAWA Kiyonari , TESHIMA Eiji , UCHINOUMI Masashi , NAKAGAMI Masaru , AZAKAMI Tatsuya , YONEKURA Tatsurou
IPC分类号： G06T17/05 , G06T15/04 , G09B29/00
CPC分类号： G06T15/506 , G01C21/3638 , G06T15/04 , G06T15/60 , G06T17/05 , G06T2215/12 , G09B29/106 , G09B29/12
摘要： [Object]
To enable representation of undulation with a light processing load by using three-dimensional ground surface data.
[Solution]
Ground surface data representing a three-dimensional shape of a ground surface is stored in a map database. In addition, a two-dimensional image (an image in the figure on the middle stage of Fig. 1 ) representing contrast of the ground surface is generated by projecting the ground surface data by applying lighting thereto, and the two-dimensional image is stored in map data as a ground surface texture. In displaying the map, the ground surface texture is pasted on the ground surface data and perspective projection is performed (an image in the figure on the lower stage of Fig. 1 ). By such a configuration, even without applying lighting, a map can be provided which can give undulation of a ground surface with a light processing load.
摘要翻译： [对象]通过使用三维地面数据来实现光处理负载的波动表示。 [解决方案]表示地面的三维形状的地面数据存储在地图数据库中。此外，通过对地面数据进行投射来生成表示地面的对比度的二维图像（图1的中间图中的图像），并且存储二维图像在地图数据中作为地面纹理。在显示地图时，将地面纹理粘贴在地面数据上，并进行透视投影（图1的下侧图中的图像）。通过这样的结构，即使不施加照明，也可以提供能够以光处理负荷使地面起伏的图。

3. 发明公开

EP3051499A1 THREE-DIMENSIONAL-MAP DISPLAY SYSTEM 审中-公开
标题翻译：安捷列斯卡
公开(公告)号：EP3051499A1
公开(公告)日：2016-08-03
申请号：EP15766010.1
申请日：2015-02-02
申请人： Geo Technical Laboratory Co., Ltd.
发明人： ARAMAKI Masatoshi , KISHIKAWA Kiyonari , TESHIMA Eiji , UCHINOUMI Masashi , NAKAGAMI Masaru , AZAKAMI Tatsuya , YONEKURA Tatsurou
IPC分类号： G06T17/05 , G06T11/60 , G09B29/00
CPC分类号： G06T15/20 , G01C21/3673 , G06T11/60 , G06T17/05
摘要： [Object]
To realize three-dimensional display while visibility of characters is ensured in the 3D map.
[Solution]
In displaying a 3D map, a feature image is generated by perspective projection of the feature on the basis of a predetermined position of the point of sight and a predetermined direction of the line of sight. In addition, a plate polygon on which characters are pasted is arranged in a virtual 3D space, and parallel projection is applied to the plate polygon so as to generate a character image. The plate polygon is arranged in a direction along a road and tilted from the ground surface. A tilt angle between the plate polygon and the ground surface is set on the basis of a display direction of the road and a display position of the character. Thus, by generating a feature image by perspective projection while generating a character image by parallel projection, negative effects such as crushing of distant characters can be avoided, whereby the characters can be displayed in three-dimensional shape without reducing visibility thereof.
摘要翻译： [对象]在3D地图中确保字符的可视性的同时实现三维显示。 [解决方案]在显示3D地图时，通过基于视点的预定位置和视线的预定方向的特征透视投影来生成特征图像。此外，在虚拟3D空间中布置有粘贴有字符的平板多边形，并且将平行投影应用于平板多边形以产生字符图像。平板多边形沿着道路的方向布置并从地面倾斜。基于道路的显示方向和角色的显示位置来设定平板多边形与地面之间的倾斜角度。因此，通过在通过平行投影生成字符图像的同时通过透视投影生成特征图像，可以避免诸如破碎远方字符的负面效果，由此可以以三维形状显示字符而不降低其可视性。

4. 发明公开

EP3035293A1 THREE-DIMENSIONAL MAP DISPLAY SYSTEM 审中-公开
标题翻译：安捷列斯卡
公开(公告)号：EP3035293A1
公开(公告)日：2016-06-22
申请号：EP14836758.4
申请日：2014-07-14
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 , G06T3/40 , G06T11/203 , G06T15/405 , G06T2200/04
摘要： [Problem] To reduce obstructions caused by depth determination in the drawing of a three-dimensional map. [Solution] A three-dimensional map display system (100) uses a first drawing section (42) to perform depth determination and hidden-surface processing when drawing a ground surface and terrestrial features. Subsequently, the system uses a second drawing section (46) to draw subterranean features in a superimposed manner on the drawing result by the first drawing section (42) without performing the depth determination and hidden-surface processing with respect to the drawing result by the first drawing section (42). During the drawing of the subterranean features, the subterranean features are prohibited from being drawn in overlapping areas with terrestrial structures by the use of a mask image generated by a mask image generation section (44) such that the subterranean features are displayed as if the depth determination was performed between the terrestrial structures and the subterranean features.
摘要翻译： [问题]减少三维地图绘制中的深度确定引起的障碍物。 [解决方案]三维地图显示系统（100）在绘制地面和地面特征时，使用第一绘图部（42）进行深度判定和隐藏表面处理。随后，系统使用第二绘图部分（46）以叠加方式绘制第一绘图部分（42）的绘图结果上的地下特征，而不对相对于绘图结果执行深度确定和隐藏表面处理第一绘图部分（42）。在绘制地下特征期间，通过使用由掩模图像生成部分（44）生成的掩模图像，禁止地下特征被绘制在具有地面结构的重叠区域中，使得地下特征被显示为如同深度在陆地结构和地下特征之间进行了确定。

5. 发明公开

EP3009988A1 3D MAP DISPLAY SYSTEM 审中-公开
标题翻译： 3D-KARTENANZEIGESYSTEM
公开(公告)号：EP3009988A1
公开(公告)日：2016-04-20
申请号：EP14811411.9
申请日：2014-06-03
申请人： Geo Technical Laboratory Co., Ltd.
发明人： KISHIKAWA Kiyonari , TESHIMA Eiji , ARAMAKI Masatoshi , ADA Masaya , TOMITAKA Tsubasa , KIMURA Tatsuji , NAKAGAMI Masaru , AZAKAMI Tatsuya , FUKUSAKI Mai
IPC分类号： G06T17/05 , G06T15/50 , G09B29/00
CPC分类号： G06T17/05 , G01C21/26 , G01C21/3638 , G01C21/367 , G06F17/30268 , G06T11/60 , G06T15/04 , G06T15/506
摘要： [Problem] To make a 3D map appear more realistic with a comparatively low computational burden. [Solution] In this 3D-map-displaying navigation system, a perspective projection is performed on a 3D model to display a 3D image. When displaying same in a night-view mode, in addition to darkening the overall color scheme, white points representing light sources are displayed on buildings and roads. For buildings, a number of light sources corresponding to the height of the building are displayed linearly in the height direction. For roads, a number of light sources corresponding to the type of the road, i.e. two rows for freeways and one row for narrow streets, are laid out along the road. This makes it possible to make a 3D map appear more realistic without using a detailed 3D model including windows in buildings, roadside trees, and the like.
摘要翻译： [问题]为了使3D地图看起来更加逼真，计算量相对较低。 [解决方案]在这个3D地图显示导航系统中，在3D模型上执行透视投影以显示3D图像。当以夜视模式显示时，除了整体色彩变暗之外，还可以在建筑物和道路上显示表示光源的白点。对于建筑物，对应于建筑物的高度的多个光源在高度方向上线性地显示。对于道路，沿着道路布置了对应于道路类型的许多光源，即用于高速公路的两排和用于狭窄的街道的一排。这使得可以使3D地图看起来更逼真，而不使用包括建筑物中的窗户，路边树等的详细3D模型。

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