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If Grid and Snap mode are turned on, they align temporarily to the dynamic
UCS. The limits of the grid display are set automatically.
You can temporarily turn off the dynamic UCS by pressing Fn-F6 or Shift-Z
while moving the pointer over a face.
NOTE The dynamic UCS is available only while a command is active.
Control the Display of the User Coordinate System
Icon
The user coordinate system icon (UCS icon) helps you visualize the current
orientation of the UCS. Several versions of this icon are available, and you
can change its size, location, and color.
To indicate the location and orientation of the UCS, the UCS icon is displayed
either at the UCS origin point or in the lower-left corner of the current
viewport.
You can choose a 2D or 3D style of the icon to represent the UCS when
working in 2D environment. Shaded style of icon is displayed to represent
the UCS in the 3D environment.
Use the UCSICON command to choose between displaying the 2D or the 3D
UCS icon. The shaded UCS icon is displayed for a shaded 3D view. To indicate
the origin and orientation of the UCS, you can display the UCS icon at the
UCS origin point using the UCSICON command.
The UCS Icon and Multiple Viewports
If you have multiple viewports, each viewport displays its own UCS icon.
Display and Hide the UCS Icon
In some circumstances, you might need to hide the UCS icon. With the
UCSICON command, you can turn off the UCS icon in a single viewport or
all viewports. Each layout also provides a UCS icon in paper space.
154 | Chapter 6 Create and Modify Objects