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Setting the current user coordinate system

May 20, 2011

When you draw new objects, they are created in relation to the current coordinate system.


Set the current UCS

  1.   Choose Tools > Named UCS.

  2.   Select the desired UCS and press Set Current button.

  3.   Click OK button.

UCS toolbar \

Command line DDUCS


Commands Reference

UCS: Manages user coordinate systems

UCSICON: Manages user coordinate systems

UCSMAN: Manages defined user coordinate systems

System Variables Reference

ERRNO: Displays the number of the appropriate error code when an AutoLISP function call causes an error that ZWCAD 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

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

UCSICON: Displays the UCS icon for the current viewport using bitcode

UCSVP: Determines whether the UCS in active viewports remains fixed or changes to reflect the UCS of the currently active viewport  

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