| 摘要 |
A method and device for displaying map data and related data and thereby permitting easy enlargement of the scope of the application of map-based data services, wherein additional drawing data for superposing on a map displayed on a screen, and setting data for specifying a map display, are sent and received between different application programs using inter-application exchange in a standard data format. Required map data and related data are displayed on the screen using a first application program having a function for converting received additional drawing data and setting data to the aforesaid data format and transmitting it by inter-application exchange, then using a second application program which displays a map on the display screen according to the setting data transmitted by the first application program and displays additional data on the screen map corresponding to the additional drawing data.
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