UCS

Function

Defines or modifies the current user coordinate system. You can use the UCS to create a system for entering coordinates and planes and for viewing drawings. This command defines the UCS in three-dimensional space.

Procedure

World: Reverts to the drawings original UCS definition

Previous: Reverts to the previous UCS definition

Entity: Defines a new UCS origin based on a selected entity

View: Defines a new UCS based on the x,y plane parallel to your screen

Origin: Defines a new UCS origin by specifying a new point

3 Points: Defines a new UCS origin based on the direction of its x- and y-axes