Posts Tagged:Revit Families

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 102 – Revit Experts don’t Use Locks

by Tim Alatorre

In May I published my picks for Best Revit Blogs on the Web. Coming in at number 2 was The Revit Kid and Jeff’s Lock Noob Classic Thong. I still try to read everything Jeff writes but I thought I might stir up a little controversy and make the argument that, contrary to what the…



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…



Revit Families 103 – Formula Basics

by Tim Alatorre

  Update: 4/12/11 for Revit 2012 and added more examples. I love formulas, they let you do some really fun things. The formula I mentioned in my last post calculates the overall width of a family taking into account if the family has one or two loops toggled to be visible. Formulas let you create…