Files
2026-05-31 10:17:09 +07:00

56 lines
2.3 KiB
Python

# IfcOpenShell - IFC toolkit and geometry engine
# Copyright (C) 2022 Dion Moult <dion@thinkmoult.com>
#
# This file is part of IfcOpenShell.
#
# IfcOpenShell is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# IfcOpenShell is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with IfcOpenShell. If not, see <http://www.gnu.org/licenses/>.
import ifcopenshell
import ifcopenshell.util.element
def disconnect_element(
file: ifcopenshell.file,
relating_element: ifcopenshell.entity_instance,
related_element: ifcopenshell.entity_instance,
) -> None:
# TODO: arguments relating_element, related_element probably
# should be renamed to element1, element2
# as api call doesn't really treat them as "relating" and "related"
# and just purging all connections between them
incompatible_connections = []
for rel in relating_element.ConnectedTo:
if rel.is_a() == "IfcRelConnectsElements" and rel.RelatedElement == related_element:
incompatible_connections.append(rel)
for rel in relating_element.ConnectedFrom:
if rel.is_a() == "IfcRelConnectsElements" and rel.RelatingElement == related_element:
incompatible_connections.append(rel)
for rel in related_element.ConnectedTo:
if rel.is_a() == "IfcRelConnectsElements" and rel.RelatedElement == relating_element:
incompatible_connections.append(rel)
for rel in related_element.ConnectedFrom:
if rel.is_a() == "IfcRelConnectsElements" and rel.RelatingElement == relating_element:
incompatible_connections.append(rel)
if incompatible_connections:
for connection in set(incompatible_connections):
history = connection.OwnerHistory
file.remove(connection)
if history:
ifcopenshell.util.element.remove_deep2(file, history)