AutoCAD 2007/2008/2009

AutoCAD 2007/2008/2009

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Valued Contributor
asutton
Posts: 52
Registered: ‎06-13-2006
Message 1 of 7 (448 Views)

Zoom in, UCS icon flips around.

448 Views, 6 Replies
03-02-2008 10:11 PM
I'm working in an Architectural drawing in Model Space using ACAD 2008 SP1. When I zoom in past a certain point, which isn't very far, the UCS icon changes to a horizontal line with an 'X' at the right end.

It is similar to if you were to rotate the UCS -90 degrees except it doesn't show the Z-axis or the circle at the left end. Zoom out and it is fine. It is the same result if you zoom-window or scroll-zoom.

If you type PLAN whilst zoomed it it simply zooms to extents so I would say it isn't flipping the UCS. I also have Dynamic UCS turned off. There are no 3d objects, or any items with a Z coordinate in this drawing or any XREFs.

This has me beat, can someone shed any light? It is annoying because it makes it hard to trim/extend.

I've attached a screen shot, to give an idea of the zoom level, the distance between the orange and yellow line is 90mm.

Cheers, Adam.
*Dean Saadallah
Message 2 of 7 (448 Views)

Re: Zoom in, UCS icon flips around.

03-03-2008 04:50 AM in reply to: asutton
INSERT the problem file into your template file, 99% of the time the problem
is truly exposed and easily fixed.

--
Dean Saadallah
http://LTisACAD.blogspot.com
Add-on products for LT
http://www.pendean.com/lt
--
Valued Contributor
asutton
Posts: 52
Registered: ‎06-13-2006
Message 3 of 7 (448 Views)

Re: Zoom in, UCS icon flips around.

03-03-2008 01:29 PM in reply to: asutton
No luck, it still does it.

It does not do this far any other drawings I've come across, and I've been using 2008 on this computer in this configuration since late last year.
*Dean Saadallah
Message 4 of 7 (448 Views)

Re: Zoom in, UCS icon flips around.

03-03-2008 01:33 PM in reply to: asutton
Delete most content, leaving a few, and post the file here with notes
demonstration the problem. If you can...

--
Dean Saadallah
http://LTisACAD.blogspot.com
Add-on products for LT
http://www.pendean.com/lt
--
Valued Contributor
asutton
Posts: 52
Registered: ‎06-13-2006
Message 5 of 7 (448 Views)

Re: Zoom in, UCS icon flips around.

03-03-2008 01:42 PM in reply to: asutton
Zoom in on the centre of the blue circle at the intersection of the 2 walls. Watch the UCS Icon as you zoom in.
Active Member
AECivil
Posts: 6
Registered: ‎03-18-2004
Message 6 of 7 (448 Views)

Re: Zoom in, UCS icon flips around.

04-28-2010 11:01 AM in reply to: asutton
I know that this is an old thread, but we recently found this problem occurring in our drawing. It seemed that the coordinate system was very large (i.e. real world coordinates in millimeters). Once we moved the detail to lower coordinates (i.e. closer to 0,0), the problem seemed to go away. Hope this helps someone!
Distinguished Contributor
dvertz
Posts: 164
Registered: ‎07-08-2007
Message 7 of 7 (311 Views)

Re: Zoom in, UCS icon flips around.

11-28-2012 06:44 AM in reply to: asutton

Super old thread. None-the-less, AECivil's solution was the answer for us. Thanks.

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