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Tuesday, July 2, 2013

Revit Tip - Family Categories and Visibility

Here is a little tip to keep in mind when using or building families.  If the entire family always shows in a floor plan view (even if the elements that are visible are above your cut plane) you might want to check out the families category.

A perfect example is the default Autodesk "Ladder" family in the specialty equipment category.  When you place the family you will always see the railings at the top of the ladder even though they are far above your cut plane:

This has to do with the category of the family... Specific family categories do not allow you to adjust their visibility based on a cut plane. Notice the "(If category permits)" below.

Who has the almighty power to decide which categories "permit" this action?  I have no idea... In the example above, the "Specialty Equipment" category does not permit it!  But if you are having trouble with your families visibility you may have to change it's category... Which can be kind of lame!