Vector map display system and method based on map scale change

    公开(公告)号:US10753759B2

    公开(公告)日:2020-08-25

    申请号:US15858924

    申请日:2017-12-29

    摘要: A vector map display method executed by a user terminal device may include: a web vector map display viewpoint change step of changing a viewpoint of a web vector map according to the directions of previously stored first and second viewpoints; a background or POI information extraction step of extracting a background or one or more pieces of POI information corresponding to a current position of the user terminal device from data of the web vector map by reflecting the first and second viewpoints; a size ratio adjusting step of adjusting the size ratio of the extracted background or POI information; a current web vector map data generation step of generating data of the current web vector map corresponding to the current position; and a current web vector map display step of displaying the data of the current web vector map.

    VECTOR MAP DISPLAY SYSTEM AND METHOD BASED ON MAP SCALE CHANGE

    公开(公告)号:US20180143030A1

    公开(公告)日:2018-05-24

    申请号:US15858924

    申请日:2017-12-29

    IPC分类号: G01C21/36 G08G1/137

    摘要: A vector map display method executed by a user terminal device may include: a web vector map display viewpoint change step of changing a viewpoint of a web vector map according to the directions of previously stored first and second viewpoints; a background or POI information extraction step of extracting a background or one or more pieces of POI information corresponding to a current position of the user terminal device from data of the web vector map by reflecting the first and second viewpoints; a size ratio adjusting step of adjusting the size ratio of the extracted background or POI information; a current web vector map data generation step of generating data of the current web vector map corresponding to the current position; and a current web vector map display step of displaying the data of the current web vector map.