Hey Everyone,
I have been trying to create a Relative Elevation Level Head that has a prefix of + or - depending on whether the elevation is greater than, equal to, or less than 0'. Typically we have 100' as "zero" so I created a formula label in the Level Head family that takes the elevation and substracts 100' which worked fine. I want to now create a visibility parameter that either shows a + or - prefix label depending on the elevation but running into issues when trying to use a yes/no formula. A simple solution would be to duplicate the family and have one be + and the other - but would prefer to have just one family. I've tried several formulas but not sure if they aren't working because the true "Elevation" parameter is a shared and therefore a project parameter can't link to it. Is this possible?
Attached are some images below to see what I've been trying. One problem might be that there is already a project parameter within the family called "Elevation" that doesn't have any value associated that I can find, so do I need to create another "Relative Elevation" parameter that somehow ties to the shared "Elevation" parameter? Having the main yes/no formula under the "Minus" formula made the most sense to me so I don't have to deal with a >=0 which I know Revit doesn't like. My Boolean expression should work but I could be wrong too so any help is greatly appreciated.
This formula is wrong because 1 > 0 and 0 < 1 is the same expression. And on top of that you don't need them, change it to just: = Elevation > 0
@MaceNovak wrote:
Hey Everyone,
I have been trying to create a Relative Elevation Level Head that has a prefix of + or - depending on whether the elevation is greater than, equal to, or less than 0'. Typically we have 100' as "zero"
Can you simply have Survey Point @-100' and Project Base Point @ 0' so that you can have Level Types read either 0 or 100'?
And format the Units.
You know, I read your post a few times, and I'm still unclear what you are trying to do. Must be Friday.
Is this just about plus or minus sign? If so, why? Plus/Minus is automatically included.
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