Undo command lets you undo modifications of points. Processing steps that can be undone include:
•Manual classification steps
•Automatic classification steps
•Macro actions applied to loaded points
•Smoothen points and thin points commands
•Adjust to geoid command
•Changes to line numbering
•Automatic detection of wires
More than one action can be undone by using the command several times or by using the From list command. The number of actions for undo is determined in Undo and backup category of TerraScan Settings.