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° | Undo | - | Undo changes |
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| | | Command | | Argument | | Datatype | | Default | | Min | | Max | |
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| Format: | | Undo | Steps = Number of steps to undo |
| INT | | 1 | | - |
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| Python: | | This command is mainly for internal use. It is not available in Python. | | ||||||||||
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| Menu: | | Edit > Undo | | ||||||||||
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| Keys: | | <Ctrl>+<U> - Undo the last edit step <Ctrl>+<Z> - As above, to match other applications | | ||||||||||
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| Related: | | Redo, UndoLevels | | ||||||||||
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| Required: | |  | |
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The Undo command reverses the specified number of editing steps.
Undo and Redo
only affect changes to the soup and the way it is visualized
(i.e. commands in the menus File, Edit
, View and Effects
). For other commands, Undo/Redo
makes little sense (e.g. changing the window size). Molecular dynamics simulations can also not be
'undone'.
The number of Undo-levels can be changed
, setting it to 0 significantly speeds up the handling of extremely large protein structures.
Commands run by a macro
cannot be undone to maximize the macro speed.
Example:
Undo 3
Undo the last three edit steps.