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1. 发明申请

US20110170799A1 TECHNIQUES FOR DENSITY MAPPING 有权
标题翻译：密度映射技术
公开(公告)号：US20110170799A1
公开(公告)日：2011-07-14
申请号：US12686232
申请日：2010-01-12
申请人： John Antonio Carrino , Daniel Patrick Cervelli
发明人： John Antonio Carrino , Daniel Patrick Cervelli
IPC分类号： G06K9/36 , G01C21/00
CPC分类号： G06F17/30241 , G06T17/05 , G09B29/007
摘要： Techniques in a data processor for drawing a density surface on a map in a manner that more accurately accounts for projection distortion in the map. According to one embodiment, data is maintained that represents a geotagged event. A map plane is divided into a plurality of cells and an origin cell corresponding to the geotagged event is identified. Density values are allocated to cells surrounding the origin cell based on geodetic distances between geographic coordinates corresponding to surrounding cells and the geographic coordinate of the geotagged event. A density surface based on the cell allocations is then displayed on a map. By allocating density values to cells based on geodetic distances, the resulting density surface displayed on the map more accurately accounts for projection distortions in the area of the map on which density surface is displayed.
摘要翻译：数据处理器中用于在地图上绘制密度表面的技术，以更准确地说明地图中的投影失真。根据一个实施例，维护表示地理标记事件的数据。映射平面被分成多个单元，并且识别与地理标记事件相对应的原点单元。基于对应于周围小区的地理坐标与地理标记事件的地理坐标之间的测距距离，将密度值分配给原始小区周围的小区。然后将基于单元分配的密度表面显示在地图上。通过基于大地测量距离向单元格分配密度值，在地图上显示的最终密度表格更准确地说明了在其上显示密度表面的地图区域中的投影失真。

2. 发明授权

US08564596B2 Techniques for density mapping 有权
标题翻译：密度映射技术
公开(公告)号：US08564596B2
公开(公告)日：2013-10-22
申请号：US12686232
申请日：2010-01-12
申请人： John Antonio Carrino , Daniel Patrick Cervelli
发明人： John Antonio Carrino , Daniel Patrick Cervelli
IPC分类号： G06T15/10
CPC分类号： G06F17/30241 , G06T17/05 , G09B29/007
摘要： Techniques in a data processor for drawing a density surface on a map in a manner that more accurately accounts for projection distortion in the map. According to one embodiment, data is maintained that represents a geotagged event. A map plane is divided into a plurality of cells and an origin cell corresponding to the geotagged event is identified. Density values are allocated to cells surrounding the origin cell based on geodetic distances between geographic coordinates corresponding to surrounding cells and the geographic coordinate of the geotagged event. A density surface based on the cell allocations is then displayed on a map. By allocating density values to cells based on geodetic distances, the resulting density surface displayed on the map more accurately accounts for projection distortions in the area of the map on which density surface is displayed.
摘要翻译：数据处理器中用于在地图上绘制密度表面的技术，以更准确地说明地图中的投影失真。根据一个实施例，维护表示地理标记事件的数据。映射平面被分成多个单元，并且识别与地理标记事件相对应的原点单元。基于对应于周围小区的地理坐标与地理标记事件的地理坐标之间的测距距离，将密度值分配给原始小区周围的小区。然后将基于单元分配的密度表面显示在地图上。通过基于大地测量距离向单元格分配密度值，在地图上显示的最终密度表格更准确地说明了在其上显示密度表面的地图区域中的投影失真。

3. 发明申请

US20110090254A1 TECHNIQUES FOR DRAWING GEODETIC POLYGONS 有权
标题翻译：绘制地质多边形的技术
公开(公告)号：US20110090254A1
公开(公告)日：2011-04-21
申请号：US12582130
申请日：2009-10-20
申请人： John Antonio Carrino , Daniel Patrick Cervelli
发明人： John Antonio Carrino , Daniel Patrick Cervelli
IPC分类号： G09G5/00
CPC分类号： G09B29/005
摘要： Techniques in a data processor for drawing on a map a geodetic polygon that straddles a splitting meridian include, in one embodiment, maintaining data that represents the geodetic polygon, the data comprising a set of geographic coordinates; transforming the set of geographic coordinates into a set of planar coordinates representing a planar polygon; splitting the planar polygon into a plurality of sub-figures; shifting at least one sub-figure of the plurality of sub-figures along a horizontal axis of two-dimensional plane to produce a shifted sub-figure; and causing the shifted sub-figure to be displayed on a map concurrently with at least one other sub-figure of the plurality of sub-figures that was not shifted.
摘要翻译：在一个实施例中，用于在地图上绘制跨越分割子午线的测地多边形的数据处理器中的技术包括维护表示大地测量多边形的数据，所述数据包括一组地理坐标; 将所述地理坐标集合变换为表示平面多边形的一组平面坐标; 将所述平面多边形分割成多个子图形; 沿着二维平面的水平轴移动所述多个子图中的至少一个子图，以产生偏移的子图; 并且使所移动的子图与地图上的多个子图中的至少另一个子图同时显示在地图上。

4. 发明授权

US08085268B2 Techniques for drawing geodetic polygons 有权
标题翻译：绘制大地测量多边形的技术
公开(公告)号：US08085268B2
公开(公告)日：2011-12-27
申请号：US12582130
申请日：2009-10-20
申请人： John Antonio Carrino , Daniel Patrick Cervelli
发明人： John Antonio Carrino , Daniel Patrick Cervelli
IPC分类号： G06T15/10 , G06T15/00
CPC分类号： G09B29/005
摘要： Techniques in a data processor for drawing on a map a geodetic polygon that straddles a splitting meridian include, in one embodiment, maintaining data that represents the geodetic polygon, the data comprising a set of geographic coordinates; transforming the set of geographic coordinates into a set of planar coordinates representing a planar polygon; splitting the planar polygon into a plurality of sub-figures; shifting at least one sub-figure of the plurality of sub-figures along a horizontal axis of two-dimensional plane to produce a shifted sub-figure; and causing the shifted sub-figure to be displayed on a map concurrently with at least one other sub-figure of the plurality of sub-figures that was not shifted.
摘要翻译：在一个实施例中，用于在地图上绘制跨越分割子午线的测地多边形的数据处理器中的技术包括维护表示大地测量多边形的数据，所述数据包括一组地理坐标; 将所述地理坐标集合变换为表示平面多边形的一组平面坐标; 将所述平面多边形分割成多个子图形; 沿着二维平面的水平轴移动所述多个子图中的至少一个子图，以产生偏移的子图; 并且使所移动的子图与地图上的多个子图中的至少另一个子图同时显示在地图上。

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