mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-09 09:21:46 +00:00
Bruno Postle
17eaef778a
IfcRelConnectsPathElements has an optional ConnectionGeometry attribute for recording the geometric cut-plane between adjacent elements, but there was no way to set it via the API. Generated with the assistance of an AI coding tool.
165 lines
8.5 KiB
Python
165 lines
8.5 KiB
Python
# IfcOpenShell - IFC toolkit and geometry engine
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# Copyright (C) 2022 Dion Moult <dion@thinkmoult.com>
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#
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# This file is part of IfcOpenShell.
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#
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# IfcOpenShell is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# IfcOpenShell is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with IfcOpenShell. If not, see <http://www.gnu.org/licenses/>.
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import ifcopenshell.api.geometry
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import ifcopenshell.api.root
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import test.bootstrap
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class TestConnectPath(test.bootstrap.IFC4):
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def test_connecting_a_path(self):
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wall1 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall2 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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rel = self.connect_path(wall1, wall2, "ATSTART", "ATEND", description="MITRE")
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assert rel.is_a("IfcRelConnectsPathElements")
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assert rel.RelatingElement == wall1
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assert rel.RelatedElement == wall2
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assert rel.RelatingConnectionType == "ATSTART"
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assert rel.RelatedConnectionType == "ATEND"
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assert rel.Description == "MITRE"
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def test_storing_connection_geometry(self):
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wall1 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall2 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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geometry = self.file.create_entity("IfcConnectionPointGeometry")
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rel = ifcopenshell.api.geometry.connect_path(
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self.file,
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relating_element=wall1,
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related_element=wall2,
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connection_geometry=geometry,
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)
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assert rel.ConnectionGeometry == geometry
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def test_doing_nothing_if_the_element_is_already_connected(self):
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wall1 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall2 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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self.connect_path(wall1, wall2)
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total_elements = len([e for e in self.file])
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self.connect_path(wall1, wall2)
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assert len([e for e in self.file]) == total_elements
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def test_updating_the_connection_type_if_already_connected(self):
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wall1 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall2 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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ifcopenshell.api.geometry.connect_path(self.file, relating_element=wall1, related_element=wall2)
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total_elements = len([e for e in self.file])
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rel = self.connect_path(wall1, wall2, "ATSTART")
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assert rel.RelatingConnectionType == "ATSTART"
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assert rel.RelatedConnectionType == "NOTDEFINED"
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def test_preventing_cyclical_connections(self):
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wall1 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall2 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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ifcopenshell.api.geometry.connect_path(self.file, relating_element=wall1, related_element=wall2)
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total_elements = len([e for e in self.file])
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ifcopenshell.api.geometry.connect_path(self.file, relating_element=wall2, related_element=wall1)
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assert len([e for e in self.file]) == total_elements
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def test_a_relating_element_can_have_multiple_path_connections(self):
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wall1 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall2 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall3 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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rel1 = self.connect_path(wall1, wall2, "ATPATH", "ATEND")
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rel2 = self.connect_path(wall1, wall3, "ATPATH", "ATSTART")
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assert len(self.file.by_type("IfcRelConnectsPathElements")) == 2
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assert rel1.RelatingElement == wall1
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assert rel1.RelatedElement == wall2
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assert rel1.RelatingConnectionType == "ATPATH"
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assert rel1.RelatedConnectionType == "ATEND"
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assert rel2.RelatingElement == wall1
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assert rel2.RelatedElement == wall3
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assert rel2.RelatingConnectionType == "ATPATH"
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assert rel2.RelatedConnectionType == "ATSTART"
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def test_a_element_can_only_have_up_to_one_start_or_end_connections(self):
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wall1 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall2 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall3 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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rel1 = self.connect_path(wall1, wall2, "ATSTART", "ATEND")
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rel2 = self.connect_path(wall1, wall3, "ATEND", "ATSTART")
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assert len(self.file.by_type("IfcRelConnectsPathElements")) == 2
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self.file = ifcopenshell.file()
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wall1 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall2 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall3 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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rel1 = self.connect_path(wall1, wall2, "ATSTART", "ATEND")
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rel2 = self.connect_path(wall1, wall3, "ATSTART", "ATSTART")
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assert len(self.file.by_type("IfcRelConnectsPathElements")) == 1
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self.file = ifcopenshell.file()
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wall1 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall2 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall3 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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rel1 = self.connect_path(wall1, wall2, "ATEND", "ATEND")
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rel2 = self.connect_path(wall1, wall3, "ATEND", "ATSTART")
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assert len(self.file.by_type("IfcRelConnectsPathElements")) == 1
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self.file = ifcopenshell.file()
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wall1 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall2 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall3 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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rel1 = self.connect_path(wall1, wall2, "ATPATH", "ATEND")
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rel2 = self.connect_path(wall1, wall3, "ATPATH", "ATSTART")
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assert len(self.file.by_type("IfcRelConnectsPathElements")) == 2
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self.file = ifcopenshell.file()
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wall1 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall2 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall3 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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rel1 = self.connect_path(wall2, wall1, "ATPATH", "ATEND")
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rel2 = self.connect_path(wall3, wall1, "ATPATH", "ATSTART")
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assert len(self.file.by_type("IfcRelConnectsPathElements")) == 2
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self.file = ifcopenshell.file()
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wall1 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall2 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall3 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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rel1 = self.connect_path(wall2, wall1, "ATPATH", "ATSTART")
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rel2 = self.connect_path(wall3, wall1, "ATPATH", "ATSTART")
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assert len(self.file.by_type("IfcRelConnectsPathElements")) == 1
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self.file = ifcopenshell.file()
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wall1 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall2 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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wall3 = ifcopenshell.api.root.create_entity(self.file, ifc_class="IfcWall")
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rel1 = self.connect_path(wall2, wall1, "ATPATH", "ATEND")
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rel2 = self.connect_path(wall3, wall1, "ATPATH", "ATEND")
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assert len(self.file.by_type("IfcRelConnectsPathElements")) == 1
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def connect_path(
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self,
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relating_element,
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related_element,
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relating_connection="NOTDEFINED",
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related_connection="NOTDEFINED",
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description=None,
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):
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return ifcopenshell.api.geometry.connect_path(
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self.file,
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relating_element=relating_element,
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related_element=related_element,
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relating_connection=relating_connection,
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related_connection=related_connection,
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description=description,
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)
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class TestConnectPathIFC2X3(test.bootstrap.IFC2X3, TestConnectPath):
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pass
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