So I've got something very strange going on. I've got 2 file: one "facade" project (File A) with curtain walls, one structure model (File B) with the facade model linked into.
When dimensioning the facade in the structure model, the dimensions don't always align properly and the length isn't correct. Oddly enough I've found in the facade model is does this also but at different locations. And it only occurs at the end of a wall. If I make a continous dimension, the lengths are correct.
Neither model is rotated in any way. (Project north = True north). The view itself isn't rotated either (no scope boxes).
Situation 1: dimension in facade model correct, in structural model wrong.
Situation 2: dimension in facade model is wrong, in structural model the dimension is correct. If I isolate the wall in File A, I can dimension correctly. (Unfortunatly you can't isolate elements in linked files)
Gelöst! Gehe zur Lösung
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It looks to be snapping to something that you cant see. Its hard to troubleshoot without having the file. What happens when you hit tab while placing the dimension? That should let you start to dig deeper into the link when adding dimensions. I remember something similar at my last firm and if i remember correctly it was something to do with annotation nested into a family and the dimension snapping to it. The dimension would also be off. You would have to hit tab to make the dimension snap to the geometry instead and all was good.
I'm snapping to the grid lines themselves (statusbar image 1).
The facade is made up of 2 curtain walls: one in front of the other (glazing + stone finish/insulation).
If I hide the front curtain wall (stone) I can dimension the grid lines I need. So the problem resides in the fact that there seems to be 2 grid lines on top of each other, which is causing Revit to act weird.
I guess my best option is to put eacht type of curtain wall in a different workset so I can turn on/off the visiblity in my Main Model. And be sure I'm dimensioning the correct grid line.
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