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U
Reverses the most recent operation
Standard toolbar:
Shortcut menu:
With no commands active and no objects selected, right-click
in the drawing area and click Undo.
Command line:
u
You can enter
u
as many times as you wish, backing up one step at a time,
until the drawing is as it was when you began the current editing session.
When an operation cannot be undone, the command name is displayed but
no action is performed. Operations external to the current drawing, such as
plotting or writing to a file, cannot be undone.
If you changed modes or used transparent commands during a command,
their effects are undone, along with the effects of the main command.
You can also press CTRL + Z to undo.
The U command is equivalent to entering
undo 1
.
UCS
Manages user coordinate systems
UCS toolbar:
Tools menu: New UCS
Command line:
ucs
Enter an option [New/Move/Orthographic/“Prev” on page
1227/Restore/Save/Del/Apply/?—List UCSs/World] <World>:
New
Defines a new coordinate system by one of six methods.
Specify origin of new UCS or [ZAxis/3point/OBject/Face/View/X/Y/Z] <0,0,0>:
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Содержание AUTOCAD 2006
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Страница 1244: ...Undo Reverses the most recent change made by TRIM 1220 Chapter 21 ...
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Страница 1354: ...Zoom Window Zooms to display an area specified by a rectangular window 1330 Chapter 26 ...
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