ifcopenshell.api.cost.edit_cost_item_quantity

Module Contents

ifcopenshell.api.cost.edit_cost_item_quantity.edit_cost_item_quantity(file, physical_quantity=None, attributes=None) None

Edits the attributes of an IfcPhysicalQuantity

For more information about the attributes and data types of an IfcPhysicalQuantity, consult the IFC documentation.

Parameters:
  • physical_quantity (ifcopenshell.entity_instance) – The IfcPhysicalQuantity entity you want to edit

  • attributes (dict, optional) – a dictionary of attribute names and values.

Returns:

None

Return type:

None

Example:

schedule = ifcopenshell.api.run("cost.add_cost_schedule", model)
item = ifcopenshell.api.run("cost.add_cost_item", model, cost_schedule=schedule)

# This cost item will have a unit cost of 5 and a volume of 3
value = ifcopenshell.api.run("cost.add_cost_value", model, parent=item)
ifcopenshell.api.run("cost.edit_cost_value", model, cost_value=value,
    attributes={"AppliedValue": 5.0})
quantity = ifcopenshell.api.run("cost.add_cost_item_quantity", model,
    cost_item=item, ifc_class="IfcQuantityVolume")
ifcopenshell.api.run("cost.edit_cost_item_quantity", model,
    physical_quantity=quantity, "attributes": {"VolumeValue": 3.0})