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This feature can save you a great deal of time and is easy to toggle on and off. AutoCAD allows you to create a UCS on the fly using the Dynamic UCS feature. Setting up a UCS takes a bit of effort and can be distracting if you need to create one just to draw an object on the side of a 3D object. To use a saved UCS, open the UCS dialog box and then select the saved UCS from the list and click Set Current. The UCS dialog box closes and the UCS is saved in the drawing. The Unnamed UCS is renamed with the name entered. Type a new name for the UCS and press Enter. Right-click Unnamed and select Rename from the shortcut menu.Īn in-place editor is displayed that allows you to change the UCSs name.Ĥ. The Unnamed UCS is the current UCS in the drawing and is listed at the very top of the list.ģ. In the UCS dialog box, select Unnamed in the UCSs list. Saving a custom UCS with the UCS dialog box.Ģ. The following procedure uses the Tools menu to start the UCSMAN command and save a custom UCS. The UCS dialog box lets you save and restore named UCSs on the Named UCSs tab, customize the distance between the xy plane of the six orthographic coordinate systems (top, bottom, front, back, left, and right) on the Orthographic UCSs tab, and control some of the save and display settings for UCSs on the Settings tab. To save a UCS that you created, you use the UCSMAN command which displays the UCS dialog box (see Figure 2-8). If you find yourself going back to a particular UCS to create or edit objects, you might consider saving the UCS for future use.
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View: Creates a new UCS by rotating the xy plane to being perpendicular to your current viewing direction.ģ Point: Allows you to specify a new origin for the UCS and designate the positive direction for both the x and y axes. World: Changes the UCS to match the world coordinate system.įace: Allows you to align the UCS to the face of a 3D solid. For more information on using the UCS options, refer to AutoCAD’s online Help system. After the option is specified, follow the command prompts at the command line or the dynamic input tooltip. Used options of the UCS command to get you started. The New UCS submenu offers a total of 11 possible selections, but AutoCAD provides a few that are not available from the submenu and are only available at the command line. To make it easy to create a new UCS, AutoCAD offers a number of options that can be selected from the Tools menu under the New UCS submenu. The user coordinate system can be changed through the use of the UCS command. After you specify a new UCS, you can decide to save it for future use by giving it a name. When you want to create a new UCS, you have some options as to how you want to create it, such as by selecting three points in the drawing to indicate origin, positive x, and positive y, or selecting an object. By relocating the origin and direction of the coordinate system, you are able to draw the object as if you were on the xy plane.ĪutoCAD offers a variety of different ways to create and save custom UCSs for future use. For example, you can draw an object on the xy plane and then move/rotate the object into place, but that would take some effort. By altering the coordinate system, you can draw objects going in different directions or on the sides of other objects.
#DIFFERENTIATE BETWEEN UCS AND WCS IN AUTOCAD HOW TO#
When working in 3D, it becomes very important to know how to properly work with the coordinate system. When you are drawing in 2D, you don’t worry too much about altering the coordinate system. The coordinate system in AutoCAD is very powerful and can be mysterious at times. Using the Coordinate System for 3D Drawing To change the display of the UCS icon, display the Options dialog box, select the 3D Modeling tab, and uncheck the options as desired under the Display UCS Icon section. This option is only available in AutoCAD, and not AutoCAD LT. If the UCS can’t be displayed at the origin, AutoCAD places it in the lower-left corner of the drawing window.ĭisplay the UCS icon in 2D or 3D visual styles: You can control whether the UCS icon is displayed when the model is being viewed with a 2D The UCS icon at the origin of the drawing by choosing View Display UCS Icon Origin. Hide/Show the UCS icon: You can toggle the display of the UCS icon by choosing View Display UCS Icon On.ĭisplay the UCS icon at the origin: You can toggle the display of You can control where and if the UCS icon is displayed on-screen by using the following options. Changing the appearance of the UCS icon with the UCS Icon dialog box.