Nothing on the command line other than "Regenerating model." It shows the correct location for a split second and then goes off to another location. It is definetly related to having the UCS set to View, because it works fine if the UCS is set to World.
If you want. You can check the AutoCAD discussion group and see if basic AutoCAD has the same problem. Then you'd know if it was connected to Civil 3D of not.
Thanks. How do you get text / labels to be horizontal then? Labels in paperspace?
While editing the Civil 3D label style, on the General tab set Orientation to View. This will cause the labels' rotation angle to always match the viewport, even if you have applied a twist.
If you're working with AutoCAD text, using a text style that is Annotative allows you to apply a setting Match text orientation to layout, which makes text and mtext work the same as described above.
Thanks for the tip Tim.... I went looking for this and my bad I said 'label' but I was thinking multi-leaders. Is there a similar setting for them? Did see it. (Of course it is 11:30 at night)
This is a C3D (12 & 13), UCS bug. I just went into plain AutoCAD and tried the DView Twist/UCS commands and switching between Layout 1 and Model Space tabs works as expected. (You are returned to the view you had when you left.)
I've also opened up a new, blank C3D file moved away from 0,0 (10000,10000) and drew a line at a 10deg rotation. Did a DView Twist (-10deg) and changed the UCS to View. When you change tabs from Layout 1 and back to Model, the window center will move off to the location it would be if there wasn't a DView, Twist applied (located 10 degrees from where it should be in this case). If you only apply the DView Twist the window returns to the correct location.
(I moved away from the origin to exagerate the effect)
It might be a bug. It might be connected with something to do with sheet set manager. I don't know. I'd suggest opening a Support Request to see what the PTB say. Or if you're reseller sold you Gold Support, just call Autodesk.
Which DWT are you using? I just tested these exact steps and do not get the view shift you describe. Can you post the test drawing?
Here is an example file (the original is pretty large @ 4MB) in C3D 2013. If you switch to the Layout 1 tab and back to Model you will see the change in the view. You can do a Zoom, Previous command and it will take you back to the view you had originally. (At least it is doing this on my station).
I already submitted a Support Request but it looks like they have it logged for the fix list. I have figured out that using View->Previous works too. Not a big problem, just annoying.
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