Filters

The Filters tab dictates exactly which elements from your Revit model make it into your final Vellum schedule.

If you are accustomed to native Revit, you likely know the frustrations of its filtering system: a hard limit of exactly eight rules, rigid and unforgiving logic, and a clunky interface that requires constant scrolling. Vellum removes all of these limitations, providing a fast, readable, and unlimited interface for paring down your data.

Adding a Filter

Creating a filter in Vellum is a simple three-step process: Column → Operator → Value.

Try adding a new filter or removing the active ones in the interactive demo below:

filter_alt

Filters

Add Filter

LevelFamily TypeFire RatingWidthHeightComments

EqualsNot EqualsContainsGreater Than (>)Less Than (<)Is EmptyNot Empty

Add Filter

Active Filters (2)

filter_alt

Levelequals"Level 1"

delete

filter_alt

Fire Ratingnot empty

delete

The Logic Operators

Vellum includes all standard Revit evaluation parameters, plus several highly requested quality-of-life additions:

• Equals / Not Equals: Exact string or numerical matching.
• Contains: Perfect for finding partial matches (e.g., finding all Family Types that contain the word “Solid”).
• Greater Than / Less Than: Numerical evaluations (e.g., Area > 100).
• Is Empty / Not Empty: An incredibly fast way to find elements missing crucial data. In Revit, you have to write clumsy logic like “Does Not Equal <blank>”. In Vellum, simply select Is Empty to instantly highlight unassigned parameters.

Best Practices

• No Limits: Unlike Revit, Vellum does not cap your filters. Add as many logic gates as you need to isolate your exact dataset.
• Filter by Hidden Columns: You do not have to visually show a column on your schedule canvas to filter by it. You can load a column into the Content Drawer, set up your filter rules, and then click the “Eye” icon to hide the column from the final export.
• Advanced “OR” Logic: Need complex filtering, like “Show me Doors on Level 1 OR Level 2”? Vellum’s basic logic tab operates on an “AND” basis to mimic Revit. To build advanced “OR” logic or relational database queries, you can push your filter criteria into the Nodes Studio.