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Ucs

Anonymous

Ucs

Anonymous
No aplicable
Hi guys, am new to autocad. My question is I have a drawing but I want to change the ucs to a specific point on the drawing but also change the coords of the specific point can someone help.
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Respuestas (9)

imadHabash
Mentor
Mentor

Hi and welcome to AutoDesk Forum,

 

if i understand your issue right i suggest the follow :

  • UCSICON command = ORigin.
  • Click the ucs icon.
  • Click and drag the square origin grip to its new location.
  • NOW...The UCS origin (0,0,0) is redefined at the point that you specified.

Regards, 

Imad Habash

EESignature

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Anonymous
No aplicable
Hi thanks for that, so how do I change the ucs value (0,0,0) to a new value for that point
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berson.guillaume
Advocate
Advocate

Hi, by "change the ucs to a specific point" do you mean "changing the origin to a specific point" ?

----------
Head of Innovation - TT Géomètres Experts Paris
Autocad / Recap / Revit user
i7-9750H / RTX 2080
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Anonymous
No aplicable
I have a point on the drawing with a coords that I want to change but also have my usc origin at the same point.
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chriscowgill7373
Advisor
Advisor

A picture is worth 1000 words. Can you create some sort of a mockup showing what you are trying to do?.  the Ucs origin is always 0,0.  this cannot be changed. If you move the Ucs origin, it will still be 0,0 even if it is in a different location.


Christopher T. Cowgill, P.E.

AutoCAD Certified Professional
Civil 3D Certified Professional
Civil 3D 2022 on Windows 10

Please select the Accept as Solution button if my post solves your issue or answers your question.

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Kent1Cooper
Consultant
Consultant

@Anonymous wrote:
I have a point on the drawing with a coords that I want to change but also have my usc origin at the same point.

You can MOVE everything in the drawing from that known point to the coordinate location where you want that to be.  However, a UCS origin, as already mentioned, can't be anything other than 0,0,0 within itself [that's what "origin" means, after all].

 

But if it will suit your needs, you can set the SNAPBASE System Variable to that point, so that even though it's not 0,0,0, that point can serve as the origin for certain things -- positional Snap locations will be measured from there, in older versions Grid lines or dots will be spaced from there [not true in Acad2016 here, for some reason, though Help still describes it as for both the Snap and Grid origin], Hatch pattern origins will be generated from there [unless you specify a different origin in newer versions], etc.

 

If you want this for Ordinate Dimensions, you can draw them, and then select them and drag their origin-point grips from the origin when they were drawn to that location, and their text content will then show the X or Y distance measured from there.  But I haven't found a way to set an ordinate-origin location other than the current UCS's 0,0 for Ordinate Dimensions in the initial drawing of them.

Kent Cooper, AIA
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leeminardi
Mentor
Mentor

Why not just move the UCS by the negative values of the values you want for the current UCS location?

lee.minardi
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SeeMSixty7
Advisor
Advisor

I just recently posted a blog about UCS.

 

http://www.seemsixty7.com/blog/2017/04/25/cad-intermediate-what-is-ucs-for-anyway/

 

Hopefully it can help explain a little better and help you get to what you actually want to do.

 

Good luck,

 

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Anonymous
No aplicable

Do not move the UCS, move the object to its appropriate coordinates.  ALL objects should be placed at their appropriate coordinates so that EVERYTHING will be in the proper location when XREF'd.  XREF's are based on World UCS, moving the UCS to display specific coordinates menas the object will not reside in the proper locations when used as an XREF.  Manipulating the UCS is ONLY a temporary aid to constructing components.  Get used to working n absolute coordinates and it won't be an issue later.

 

EDIT:  

In order to MOVE the object(s), enter the MOVE command, select ALL, for a base point select the point you wish to reside at the given coordinates, and for the second point enter an asterisk (*) and then the coordinates.  The point you selected will be transformed to the coordinates you entered.

 

The asterisk indicates absolute "World" coordinates with or without DYNMODE active, while the @ symbol is relative to the last point selected.

 

 

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