The automatic ‘Centreline’ capability on Revit dimensions can be really annoying when they pop up unexpectedly. But when you actually need them it is very useful to be able to just change a property of the dimension family to make the CL symbol appear.
I have seen people just placing many instances of two little pieces of overlapping text, one being C, the other L – all because they didn’t know about this feature. That is criminal! And its a nightmare when dimensions need to be adjusted.
Mirrored Centreline Dimension Symbols
What happens when you mirror the elements and dimension? In most situations, Revit handles it perfectly well, because the CL is a symbol family, and Revit automatically corrects the symbol orientation. However, there is one situation where it does not work:
- If the dimension is in a linked Revit file that has been mirrored – normally you would not see the annotation in the linked file, but if you set the view properties for that link to be ‘By…