Attention: For new users, please read How to open or close an information layer before you proceed.

Map Level: There are 3 map levels in our design.
1. First level: Hong Kong overview.
2. Second level: District overview. There are 4 districts -- Hong Kong Island, Kowloon, New Territories and Outlying Islands.
3. Third level: Detailed map. You can "Zoom In" and drag this level. You can also load other information layers on top of this level.

Zoom In / Out of the 3rd level map:
Use the mouse, right click anywhere on the map, an item selection window will be shown.
Click Zoom In, the map can be zoomed in 4 times.
Click Zoom Out, the map shrinks accordingly.
Click Show All, the map returns to its original size.
After Zoom In, a palm icon appears, then you can drag the map.