IFC in Blender + BonsaiBIM bearbeiten und warum es manchmal nötig sein kann

import ifcopenshell

# Open IFC model
model = ifcopenshell.open("projekt.ifc")

# Function to get a value from a Pset
def get_pset_value(element, pset_name, prop_name):
    for definition in element.IsDefinedBy:
        if definition.RelatingPropertyDefinition.is_a("IfcPropertySet"):
            pset = definition.RelatingPropertyDefinition
            if pset.Name == pset_name:
                for prop in pset.HasProperties:
                    if prop.Name == prop_name:
                        value = getattr(prop, "NominalValue", None)
                        if value:
                            return value.wrappedValue
    return None

# Function to get a value from Qto_WallBaseQuantities
def get_quantity_value(element, quantity_name):
    for definition in element.IsDefinedBy:
        if definition.RelatingPropertyDefinition.is_a("IfcElementQuantity"):
            quantity_set = definition.RelatingPropertyDefinition
            if quantity_set.Name == "Qto_WallBaseQuantities":
                for qty in quantity_set.Quantities:
                    if qty.Name == quantity_name:
                        return getattr(qty, "LengthValue", None)
    return None

# Process all walls
walls = model.by_type("IfcWall")
for wall in walls:
    is_external = get_pset_value(wall, "Pset_WallCommon", "IsExternal")
    width_m = get_quantity_value(wall, "Width")
    width_cm = round(width_m * 100) if width_m else 0

    if is_external is True:
        wall.Name = f"AW_{width_cm}"
    elif is_external is False:
        wall.Name = f"IW_{width_cm}"
    else:
        wall.Name = f"Wall_{width_cm}"

# Save modified IFC
model.write("projekt_bereinigt.ifc")
print("IfcWall names have been updated")