A method displaying information is performed at a map display device. The method includes displaying the map on a graphical user interface of the device, the displayed map including a plurality of building icons each representing a respective building; detecting a pointing input at a respective position in the displayed map; identifying a first building icon associated with the respective position in the displayed map; selectively obtaining a respective type of detailed information on the respective building represented by the first building icon for display on the map; and displaying a transparent layer over the displayed map, the transparent layer displaying the selected type of detailed information. The selectively obtaining is in accordance with a respective distance between a current location of the device and a respective location associated with the respective building represented by the first building icon.