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Filter by Family Instance

Overview​

The instance filter (FamilyInstanceFilter()) is used to find elements that are instances of family symbols. This filter allows one to remove unmatched items before they are unpacked.

Example​

  1. Apply the filter: 
    FamInstanc = UnwrapElement(IN[0])
    Filter = FamilyInstanceFilter(doc, FamInstanc.GetTypeId())
    family_instances = FilteredElementCollector(doc).WherePasses(Filter).ToElements()