Subject: Defining a user coordinate system
To define a UCS, you can use any of the following methods:
• Specify a new origin and points on the positive x- and y-axes.
• Specify a new origin and point on the positive z-axis.
• Align the UCS with its z-axis parallel to the current viewing direction.
• Align the UCS xy plane perpendicular to the current view.
When you define a new UCS, the UCS icon changes to indicate the origin and orientation of the new UCS.
CADdirect"> 1 Do one of the following to choose User Coordinate Systems ():
• On the ribbon, choose Draw > User Coordinate Systems or choose
• On the menu, choose Tools > User Coordinate Systems > Select a Predefined UCS.
• On the UCS toolbar, click the Select a Predefined UCS tool.
• Type setucs and then press Enter.
2 In the User Coordinate Systems dialog box, click Explore UCSs.
4 In the prompt box, choose 3 Point.
5 Select the new origin.
6 Select a point on the positive x-axis.
7 Select a point in the positive y direction.
8 In the Explorer - Coordinate Systems element, type the name for the new UCS, and then close the dialog box.
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