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Experimental proposed deep removal. See #1812.

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This commit is contained in:
Dion Moult
2021-10-20 11:44:09 +11:00
parent 8fdbe30dc5
commit 52062bc7e8
1 changed files with 17 additions and 0 deletions
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src/ifcopenshell-python/ifcopenshell/util/element.py
+17
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@@ -136,6 +136,23 @@ def remove_deep(ifc_file, element):
ifc_file.unbatch()
def remove_deep2(ifc_file, element):
# Experimental remove deep proposal. No batch for now until this is more certain. See #1812.
# ifc_file.batch()
to_delete = set()
subgraph = list(ifc_file.traverse(element, breadth_first=True))
subgraph_set = set(subgraph)
subelement_queue = ifc_file.traverse(element, max_levels=1)
while subelement_queue:
subelement = subelement_queue.pop(0)
if subelement.id() and len(set(ifc_file.get_inverse(subelement)) - subgraph_set) == 0:
to_delete.add(subelement)
subelement_queue.extend(ifc_file.traverse(subelement, max_levels=1)[1:])
for subelement in to_delete:
ifc_file.remove(subelement)
# ifc_file.unbatch()
def copy(ifc_file, element):
new = ifc_file.create_entity(element.is_a())
for i, attribute in enumerate(element):