The Pan buttonDropDown allows you to pan across the map by dragging. The Pan buttonDropDown appears in two parts: the image part and the text part with a drop-down arrow. You can click the image to directly implement the corresponding action, or the text to select a specific command from list.
Pan
Click Pan, or click the text part of the Pan buttonDropDown to display the drop-down list, then click Pan. The mouse pointer turns to
in the map window.
- Hold down the left mouse button and drag to move the map with the mouse pointer. When you release the left mouse button, the map will be refreshed.
- White areas may exist during the pan operation because the map is not instantly refreshed. For each pan operation, the map is refreshed after you release the left mouse button.
- To instantly refresh the map during the pan operations, please use the Instant Pan command.
Except for clicking the Pan button, you can also press the A key on the keyboard to switch to pan mode.
Realtime Pan
Click Pan buttonDropDown to display the drop-down list, then click Realtime Pan. The mouse pointer turns to
in the map window.
- Hold down the left mouse button and drag to move the map with the mouse pointer. The map will be instantly refreshed when you are panning the map.
Global Pan
Global Pan refers to the world experience when browsing the world map for the east and west hemisphere seamless pan, to achieve a plane in the world to browse the map with the sphere to browse the map of the same experience. When click Global Pan, and the range of the world map displayed is not limited to the -180 to +180 longitude, as the mouse moves, it changes.
This feature is mainly used for some special scenes that need to cross the east and west hemisphere. Such as the design of global navigation or aviation routes, cross-field measurements of the distance between the eastern and western hemispheres. Click the Pan drop-down button in the Browse group of the Map tab and select the Global Pan option to turn on the feature.
Global Pan has some requirements for the map of reference coordinate system. There are currently two types of coordinate systems that support global pan: WGS 1984 and World Mercator.
Table 1: WGS 1984 Geographic Coordinate System
Parameter Name |Parameter Value
---|---
Datum | DWGS1984
Spheroid | WGS1984
Semi-major Axis | 6378137
Flattening | 0.00335281066474748
Table 2: World Mercator Projection Coordinate System
Parameter Name |Parameter Value
---|---
Datum | DWGS1984
Spheroid | WGS1984
Semi-major Axis | 6378137
Flattening | 0.00335281066474748
Geographic Coordinate System | GCSWGS1984
Projection Mode | Mercator
Central Meridian | 0
Central Parallel | 0
Standard Parallel 1 | 0
Standard Parallel 2 | 0
Offset X | 0
Offset Y | 0
Scale Factor | 0.9996
Azimuth | 0
Longitude of Point 1 | 0
Longitude of Point 2 | 0