81 lines
3.3 KiB
Python
81 lines
3.3 KiB
Python
# IfcOpenShell - IFC toolkit and geometry engine
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# Copyright (C) 2021 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.util.element
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def remove_profile(
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file: ifcopenshell.file,
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profile: ifcopenshell.entity_instance,
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should_remove_profile_def: bool = False,
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should_remove_material: bool = False,
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) -> None:
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"""Removes a profile item from a profile set
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Note that it is invalid to have zero items in a set, so you should leave
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at least one profile to ensure a valid IFC dataset.
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:param profile: The IfcMaterialProfile entity you want to remove
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:param should_remove_profile_def: If true, profile defs with no users will be removed
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:param should_remove_material: If true, materials with no users will be removed
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Example:
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.. code:: python
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# First, let's create a material set.
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material_set = ifcopenshell.api.material.add_material_set(model,
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name="B1", set_type="IfcMaterialProfileSet")
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# Create a steel material.
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steel = ifcopenshell.api.material.add_material(model, name="ST01", category="steel")
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# Create an I-beam profile curve. Notice how we name our profiles
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# based on standardised steel profile names.
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hea100 = file.create_entity(
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"IfcIShapeProfileDef", ProfileName="HEA100", ProfileType="AREA",
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OverallWidth=100, OverallDepth=96, WebThickness=5, FlangeThickness=8, FilletRadius=12,
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)
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# Define that steel material and cross section as a single profile item.
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ifcopenshell.api.material.add_profile(model,
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profile_set=material_set, material=steel, profile=hea100)
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# Imagine a welded square along the length of the profile.
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welded_square = ifcopenshell.api.profile.add_arbitrary_profile(model,
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profile=[(.0025, .0025), (.0325, .0025), (.0325, -.0025), (.0025, -.0025), (.0025, .0025)])
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weld_profile = ifcopenshell.api.material.add_profile(model,
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profile_set=material_set, material=steel, profile=welded_square)
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# Let's remove our welded square.
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ifcopenshell.api.material.remove_profile(model, profile=weld_profile)
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"""
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subelements = set()
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for attribute in profile:
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if isinstance(attribute, ifcopenshell.entity_instance):
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subelements.add(attribute)
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file.remove(profile)
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for subelement in subelements:
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if subelement.is_a("IfcMaterial") and not should_remove_material:
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continue
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elif subelement.is_a("IfcProfileDef") and not should_remove_profile_def:
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continue
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ifcopenshell.util.element.remove_deep2(file, subelement)
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