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util functions to retrieve material profiles and material layers for an element

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This commit is contained in:
myoualid
2025-11-27 13:30:38 +01:00
parent a675365dfd
commit 5a4d60e08c
1 changed files with 39 additions and 0 deletions
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src/ifcopenshell-python/ifcopenshell/util/element.py
+39
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@@ -35,6 +35,8 @@ MATERIAL_TYPE = Literal[
"IfcMaterialList",
]
PrioritisedLayer = namedtuple("PrioritisedLayer", "priority material thickness")
PrioritisedProfile = namedtuple("PrioritisedProfile", "priority material profile")
def get_pset(
element: ifcopenshell.entity_instance,
@@ -1845,3 +1847,40 @@ def has_openings(element: ifcopenshell.entity_instance) -> bool:
:return: True if element has openings.
"""
return bool(next(get_openings(element), False))
def get_material_layers(element: ifcopenshell.entity_instance) -> list[PrioritisedLayer]:
"""
Retrieves all material layers assigned to an element.
:param element: The IFC element
:return: A list of IfcMaterialLayer entities
Example:
.. code:: python
element = ifcopenshell.by_type("IfcWall")[0]
material_layers = ifcopenshell.util.element.get_material_layers(element)
"""
material = ifcopenshell.util.element.get_material(element, should_skip_usage=True)
if not material or not material.is_a("IfcMaterialLayerSet"):
return []
return [PrioritisedLayer(getattr(layer, "Priority", 0) or 0, layer.Material, layer.LayerThickness) for layer in material.MaterialLayers]
def get_material_profiles(element: ifcopenshell.entity_instance) -> list[PrioritisedProfile]:
"""
Retrieves all material profiles assigned to an element.
:param element: The IFC element
:return: A list of IfcMaterialProfile entities
Example:
.. code:: python
element = ifcopenshell.by_type("IfcBeam")[0]
material_profiles = ifcopenshell.util.element.get_material_profiles(element)
"""
material = ifcopenshell.util.element.get_material(element, should_skip_usage=True)
if not material or not material.is_a("IfcMaterialProfileSet") :
return []
return [PrioritisedProfile(getattr(material_profile, "Priority", 0) or 0, material_profile.Material, material_profile.Profile) for material_profile in material.MaterialProfiles]