Pan

Panning refers to the operation of translating the map view by pressing and dragging the mouse to freely browse different areas.

The instructions are as follows:

1. Enable pan using one of the following methods:
   • Click the Pan button in the Map tab -> Browse group, or select the Pan item from its drop-down menu.
   • Press the A key on the keyboard.
   • Press and hold the mouse wheel button.
2. Pan the map: After entering the pan state, press and hold the left mouse button while dragging (if pan is enabled by holding the mouse wheel button, simply drag directly). The map will pan in the direction of the drag. Release the left button to stop panning, and the map will refresh accordingly.

Tip:

To optimize performance and ensure smooth panning, the system does not render the map in real-time by default during translation: When dragging the mouse, the map is converted to a bitmap for movement, which may result in blank areas; After releasing the mouse, the system immediately redraws the map based on the real data, completing the refresh. If you need to view the complete map content while dragging, please enable the Refresh the walkthrough function.

Refresh the walkthrough

Refresh the walkthrough translates the view by calling and drawing map data in real-time. Therefore, when the data volume is large, it consumes more computational resources, which may lead to a decrease in refresh rate.

The instructions are as follows:

1. Start the Refresh the walkthrough function: Click the Refresh Pan button in the Map tab -> Browse group -> Pan drop-down menu.
2. Pan the map: Press and hold the left mouse button while dragging. The map will pan in the direction of the drag, and the map is refreshed in real-time.

Global Pan

Global Pan refers to the seamless panning between the eastern and western hemispheres when browsing the world map, achieving the same experience of viewing a world-scale map on a plane as on a sphere. This function is mainly used for some specific scenarios that require crossing the eastern and western hemispheres, such as drawing global navigation or aviation routes, performing distance measurements across the eastern and western hemispheres, etc.

Global Pan has certain requirements for the map's reference coordinate system. Currently, the coordinate systems that support Global Pan are as follows: WGS 1984 in the geographic coordinate system and World Mercator in the projected coordinate system.

Click the Pan drop-down button in the Map tab Browse group and select the Global Pan option to enable this function. After enabling Global Pan, the displayed longitude range of the world map bounds is not limited to -180 to +180; the start and end range changes as the mouse pans.