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ifcopenshell.util.element.get_element_mass_density

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Move it from Blender qto calculator as this method can be generally useful
This commit is contained in:
Andrej730
2025-03-14 12:16:03 +05:00
parent 1de67ffd9c
commit 86ebc968e5
2 changed files with 53 additions and 43 deletions
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src/bonsai/bonsai/bim/module/qto/calculator.py
+1 -43
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@@ -580,49 +580,7 @@ def get_obj_mass_density(obj: bpy.types.Object) -> Union[float, None]:
"""Calculate object mass density based on Pset_MaterialCommon.MassDensity."""
entity = tool.Ifc.get_entity(obj)
assert entity
material = ifcopenshell.util.element.get_material(entity)
if material is None:
return
if (
material.is_a("IfcMaterialLayerSet")
or material.is_a("IfcMaterialProfileSet")
or material.is_a("IfcMaterialConstituentSet")
):
return
if material.is_a("IfcMaterial"):
material_mass_density = ifcopenshell.util.element.get_pset(material, "Pset_MaterialCommon", "MassDensity")
return material_mass_density
if material.is_a("IfcMaterialLayerSetUsage"):
material_layers = material.ForLayerSet.MaterialLayers
densities = []
thicknesses = []
obj_mass_density = 0
for material_layer in material_layers:
material_mass_density = ifcopenshell.util.element.get_pset(
material_layer.Material, "Pset_MaterialCommon", "MassDensity"
)
if material_mass_density is None:
return
densities.append(material_mass_density)
thickness = material_layer.LayerThickness
thicknesses.append(thickness)
obj_mass_density = obj_mass_density + (material_mass_density * thickness)
total_thickness = sum(thicknesses)
obj_mass_density = obj_mass_density / total_thickness
return obj_mass_density
if material.is_a("IfcMaterialProfileSetUsage"):
material_profiles = material.ForProfileSet.MaterialProfiles
if len(material_profiles) == 1:
material_mass_density = ifcopenshell.util.element.get_pset(
material_profiles[0].Material, "Pset_MaterialCommon", "MassDensity"
)
return material_mass_density
else:
return
return ifcopenshell.util.element.get_element_mass_density(entity)
def get_opening_type(opening: bpy.types.Object, obj: bpy.types.Object) -> Literal["OPENING", "RECESS"]: