2011

Table Of Contents
Quick Reference
UCS
Manages user coordinate systems.
UCSICON
Controls the visibility and placement of the UCS icon.
UCSMAN
Manages defined user coordinate systems.
ERRNO
Displays the number of the appropriate error code when an AutoLISP function
call causes an error that AutoCAD detects.
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.
UCSYDIR
Stores the Y direction of the current UCS for the current viewport in the
current space.
Understand the User Coordinate System (UCS) | 565