2012

Table Of Contents
System Variables
PUCSBASE
Stores the name of the UCS that defines the origin and orientation of
orthographic UCS settings in paper space only.
UCSFOLLOW
Generates a plan view whenever you change from one UCS to another.
UCSNAME
Stores the name of the current coordinate system for the current viewport
in the current space.
UCSORG
Stores the origin point of the current coordinate system for the current
viewport in the current space.
UCSORTHO
Determines whether the related orthographic UCS setting is restored
automatically when an orthographic view is restored.
UCSXDIR
Stores the X direction of the current UCS for the current viewport in the
current space.
UCSVP
Determines whether the UCS in viewports remains fixed or changes to reflect
the UCS of the current viewport.
UCSYDIR
Stores the Y direction of the current UCS for the current viewport in the
current space.
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.
462 | Chapter 16 Use Precision Tools