Hey guys, having some trouble with creating a door family in Revit 2013. What I am trying to do is to use a reporting parameter for wall thickness so I can ultimately create a parameter (that references the wall thickness reporting parameter) for overall frame depth. The goal is to use the "round" operator in a formula to create a schedulable parameter for frame depth.
For instance. in a 4-7/8" wall, the standard frame size would be 5-3/4". This is a frame projection of 7/16" per side. However in a different wall thickness, this same frame projection won't give a nice even number for the frame depth. Thus, the reason I am trying to use the round command in a formula to round up to nearest 1/4".
I have the formula working nicely, but for some reason when I load the family into a project the reporting parameter for wall thickness isn't flexing with project wall geometry. I tried dimensioning to the wall faces in the family first, which works in the family but doesn't flex in the project. When I try dimensioning to the exterior and interior reference planes in the family, I get error messages about the reporting parameter not allowed to reference anything but host components in order to be used in a formula. I cannot figure out where I am going wrong.
To summarize:
Where do you dimension to in the family in order to properly utilize an instance reporting parameter for wall type?
Secondarily, can you guys think of an easier/cleaner way to create a rounded (nearest 1/4" inch) frame depth parameter for the schedule? I am not sure my solution is the best and would be open to better ideas. My intention was to have this parameter NOT flex the geometry, but if it can be, all the better.
Thanks in advance.