def deleteallinstances(family):
matchlist = []
try:
symbolidset = family.GetFamilySymbolIds()
for symid in symbolidset:
for faminstance in DB.FilteredElementCollector(revit.doc)\
.WherePasses(
DB.FamilyInstanceFilter(revit.doc,
symid))\
.ToElements():
matchlist.append(faminstance.Id)
except Exception:
raise Exception
for elid in matchlist:
revit.doc.Delete(elid)
def delete_all_instances(target_family):
family_instances = []
try:
symbol_ids = target_family.GetFamilySymbolIds()
for symbol_id in symbol_ids:
for family_instance in DB.FilteredElementCollector(revit.doc)\
.WherePasses(
DB.FamilyInstanceFilter(
revit.doc,
symbol_id))\
.ToElements():
family_instances.append(family_instance.Id)
except Exception:
raise Exception
for element_id in family_instances:
revit.doc.Delete(element_id)
selection = revit.get_selection()
for el in selection:
try:
# allow to select Type (FamilySymbol) from ProjectBrowser
if isinstance(el, DB.FamilySymbol):
symbol = el
else:
symbol = el.Symbol
family = symbol.Family
# do not collect element of the same family twice
if family.Id in families_checked:
continue
families_checked.append(family.Id)
symbolIdSet = family.GetFamilySymbolIds()
for symid in symbolIdSet:
cl = DB.FilteredElementCollector(revit.doc)\
.WherePasses(DB.FamilyInstanceFilter(revit.doc, symid))\
.ToElements()
for el in cl:
matchlist.append(el.Id)
except Exception:
continue
selSet = []
for elid in matchlist:
selSet.append(elid)
selection.set_to(selSet)
revit.uidoc.RefreshActiveView()