Used to update information on a previously scanned map rectangle. This functions, otherwise, the same as ScanRec.

You will use the top left corner coordinates and bottom right corner coordinates to scan an area in between (the same as ScanMap).

In the above example, you would scan the map from 0,0 (top left corner) to 799,799 (bottom right corner) which would be the entire map.

To scan a specific state, you can use the following coordinates:

ScriptInformational