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IfcOpenShell/src/ifcopenshell-python/test/api/geometry/test_disconnect_path.py
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2025-12-19 18:53:14 +05:00

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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.api.geometry
import ifcopenshell.api.root
import test.bootstrap
class TestDisconnectPath(test.bootstrap.IFC4):
def test_disconnecting_a_path(self):
wall1 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
wall2 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
ifcopenshell.api.geometry.connect_path(self.file, relating_element=wall1, related_element=wall2)
ifcopenshell.api.geometry.disconnect_path(self.file, relating_element=wall1, related_element=wall2)
assert not self.file.by_type("IfcRelConnectsPathElements")
def test_disconnecting_by_connection_type(self):
wall1 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
wall2 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
ifcopenshell.api.geometry.connect_path(
self.file,
relating_element=wall1,
related_element=wall2,
relating_connection="ATSTART",
related_connection="ATEND",
)
ifcopenshell.api.geometry.disconnect_path(self.file, element=wall1, connection_type="ATEND")
assert self.file.by_type("IfcRelConnectsPathElements")
ifcopenshell.api.geometry.disconnect_path(self.file, element=wall1, connection_type="ATSTART")
assert not self.file.by_type("IfcRelConnectsPathElements")
ifcopenshell.api.geometry.connect_path(
self.file,
relating_element=wall1,
related_element=wall2,
relating_connection="ATSTART",
related_connection="ATEND",
)
ifcopenshell.api.geometry.disconnect_path(self.file, element=wall2, connection_type="ATEND")
assert not self.file.by_type("IfcRelConnectsPathElements")
def test_doing_nothing_if_there_is_no_connection(self):
wall1 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
wall2 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
total_elements = len([e for e in self.file])
ifcopenshell.api.geometry.disconnect_path(self.file, relating_element=wall1, related_element=wall2)
assert len([e for e in self.file]) == total_elements
def test_that_order_matters(self):
wall1 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
wall2 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
ifcopenshell.api.geometry.connect_path(self.file, relating_element=wall1, related_element=wall2)
total_elements = len([e for e in self.file])
ifcopenshell.api.geometry.disconnect_path(self.file, relating_element=wall2, related_element=wall1)
assert len([e for e in self.file]) == total_elements
class TestDisconnectPathIFC2X3(test.bootstrap.IFC2X3, TestDisconnectPath):
pass