Posts Tagged:Revit Formulas

Revit Families 402 – Greater Than or Equal To

by Tim Alatorre

As discussed in “Revit Families 103 – Formula Basics” there is no native function in Revit for Greater Than or Equal to (>=) and it’s brother Less Than or Equal to (<=). That’s no problem. With the basic conditional statements we can recreate them.   Greater Than or Equal to (>=) What we want to…

Revit Families 401 – Data Validation

by Tim Alatorre

As I mentioned in a follow up comment to Revit Families 103 – Formula Basics, Revit still doesn’t allow you to do data validation on values or formulas in families or on table data. Still, you can build some functionality into your families to ensure that a value never exceeds a specified range or create warnings for the user of your…