发明名称 GENERATING A MAP DISPLAY IMAGE
摘要 A method and apparatus are disclosed for generating a display image including a map view and linepiece information for example legible text and/or characters (e.g. alphanumeric) such as road names superposed on the map view. In at least one embodiment, the technique selects linepieces that are easy to read, by (i) selecting from a first subset of alphanumeric linepieces associated with information on the map, a second sub-set of the alphanumeric linepieces satisfying predetermined criteria including display angle; and (ii) including in the display image the second sub-set of alphanumeric linepieces. The first sub-set may be selected according to distance criteria.
申请公布号 EP2300779(A1) 申请公布日期 2011.03.30
申请号 EP20080759131 申请日期 2008.05.29
申请人 TOMTOM INTERNATIONAL B.V. 发明人 VAN RAAMSDONK, EWOUD
分类号 G01C21/36;G08G1/0969;G09B29/10;G09G5/00 主分类号 G01C21/36
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