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.util.element
+
+
+def remove_profile(
+    file: ifcopenshell.file,
+    profile: ifcopenshell.entity_instance,
+    should_remove_profile_def: bool = False,
+    should_remove_material: bool = False,
+) -> None:
+    """Removes a profile item from a profile set
+
+    Note that it is invalid to have zero items in a set, so you should leave
+    at least one profile to ensure a valid IFC dataset.
+
+    :param profile: The IfcMaterialProfile entity you want to remove
+    :param should_remove_profile_def: If true, profile defs with no users will be removed
+    :param should_remove_material: If true, materials with no users will be removed
+
+    Example:
+
+    .. code:: python
+
+        # First, let's create a material set.
+        material_set = ifcopenshell.api.material.add_material_set(model,
+            name="B1", set_type="IfcMaterialProfileSet")
+
+        # Create a steel material.
+        steel = ifcopenshell.api.material.add_material(model, name="ST01", category="steel")
+
+        # Create an I-beam profile curve. Notice how we name our profiles
+        # based on standardised steel profile names.
+        hea100 = file.create_entity(
+            "IfcIShapeProfileDef", ProfileName="HEA100", ProfileType="AREA",
+            OverallWidth=100, OverallDepth=96, WebThickness=5, FlangeThickness=8, FilletRadius=12,
+        )
+
+        # Define that steel material and cross section as a single profile item.
+        ifcopenshell.api.material.add_profile(model,
+            profile_set=material_set, material=steel, profile=hea100)
+
+        # Imagine a welded square along the length of the profile.
+        welded_square = ifcopenshell.api.profile.add_arbitrary_profile(model,
+            profile=[(.0025, .0025), (.0325, .0025), (.0325, -.0025), (.0025, -.0025), (.0025, .0025)])
+        weld_profile = ifcopenshell.api.material.add_profile(model,
+            profile_set=material_set, material=steel, profile=welded_square)
+
+        # Let's remove our welded square.
+        ifcopenshell.api.material.remove_profile(model, profile=weld_profile)
+    """
+
+    subelements = set()
+    for attribute in profile:
+        if isinstance(attribute, ifcopenshell.entity_instance):
+            subelements.add(attribute)
+    file.remove(profile)
+    for subelement in subelements:
+        if subelement.is_a("IfcMaterial") and not should_remove_material:
+            continue
+        elif subelement.is_a("IfcProfileDef") and not should_remove_profile_def:
+            continue
+        ifcopenshell.util.element.remove_deep2(file, subelement)