I recently noticed that in LO2026, when dimensioning on an orthographic viewport that is either a sectional plan or vertical section for a detail. The dimension I am given in LO seem to be the 3D distance point to point within the 3D model, rather than the 2D projection that I typically want when dimensioning. Is there a new setting for this I don’t know about? My work around is to cut and paste the dimensions which strips the dependency to the model.
Interesting, I have not seen this. You are sure the viewport is set to a “standard” view? This can be checked in the sketchup model window from within layout. If the camera is off by even 1˚ dimensions can snap to 3D points.
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Have you double clicked on a viewport? That overrides the scene settings and if you orbited even 1 degree or less as Riley mentioned, it will cause the issues you’re experiencing. If you share the file we could check what’s the problem.
Attached are the .skp and .layout files exhibiting the dimension 3D versus 2D Projection behavior.
dimensions.layout (11.1 MB)
dimension test.skp (3.1 MB)
You can choose manually the scale if the automatic scale doesn’t work.
In Layout, under SketchUp Model, Camera, Standard Views drop down menu “ (none)” is selected. If you change to “ Left” it dimensions as expected for me.
Which is what @endlessfix was suggesting
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As others have noted - you are not in a standard view, so likely there is a small bit of orbiting that happened (even if you can’t see it). If you update the camera in SKP to ‘left’ then update the scene and save it should behave as expected. Or you can do it from LO as @fxcutting suggests… but I would fix in in SKP and be careful when setting up scenes.
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Thanks for the feedback. I usually setup my sections scenes with a right click on the section cut and “Align view” option. That is how I initially created that scene in my overall model. I just paired it down to the minimum for this forum. After trying to recreate that section, you are right. somehow the camera is not quite on the section view. This is the first time I’ve ever seen this behavior so I’m not sure how I ended up moving the view of the scene slightly off the section cut’s aligned view. Note you do not have to have the camera on a standard view to work with projected dimensions. An orthographic view that is aligned to a section cut can be in any three dimensionally angled plane that you like, and the projected dimensions should still work. See attached example.
rotated cube dim test.skp (290.3 KB)
dimensions-cube.layout (293.9 KB)
