First Commit

2026-05-31 10:17:09 +07:00
commit 17a9c69379
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+# IfcOpenShell - IFC toolkit and geometry engine
+# Copyright (C) 2021 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 remove_filling(file: ifcopenshell.file, element: ifcopenshell.entity_instance) -> None:
+    """Remove a filling relationship
+
+    If an element is filling an opening, this removes the relationship such
+    that the opening and element both still exist, but the element no longer
+    fills the opening.
+
+    :param element: The element filling an opening.
+    :return: None
+
+    Example:
+
+    .. code:: python
+
+        # Create a wall
+        wall = ifcopenshell.api.root.create_entity(model, ifc_class="IfcWall")
+
+        # Create an opening, such as for a service penetration with fire and
+        # acoustic requirements.
+        opening = ifcopenshell.api.root.create_entity(model, ifc_class="IfcOpeningElement")
+
+        # Create a door
+        door = ifcopenshell.api.root.create_entity(model, ifc_class="IfcDoor")
+
+        # The door will now fill the opening.
+        ifcopenshell.api.feature.add_filling(model, opening=opening, element=door)
+
+        # Not anymore!
+        ifcopenshell.api.feature.remove_filling(model, element=door)
+    """
+    for rel in file.by_type("IfcRelFillsElement"):
+        if rel.RelatedBuildingElement == element:
+            history = rel.OwnerHistory
+            file.remove(rel)
+            if history:
+                ifcopenshell.util.element.remove_deep2(file, history)
+            break