ifcopenshell.api.control.unassign_control

Module Contents

ifcopenshell.api.control.unassign_control.unassign_control(file: ifcopenshell.file, relating_control: ifcopenshell.entity_instance, related_objects: list[ifcopenshell.entity_instance]) → None

Unassigns a planning control or constraint to an object

Parameters:

• relating_control – The IfcControl entity that is creating the control or constraint

• related_objects – The list IfcObjectDefinitions that is being controlled

Returns:

None

Example:

# Let's relate a cost item and a product
wall = ifcopenshell.api.root.create_entity(model, ifc_class="IfcWall")
schedule = ifcopenshell.api.cost.add_cost_schedule(model)
cost_item = ifcopenshell.api.cost.add_cost_item(model,
    cost_schedule=schedule)
ifcopenshell.api.control.assign_control(model,
    relating_control=cost_item, related_objects=[wall])

# And now let's change our mind
ifcopenshell.api.control.unassign_control(model,
    relating_control=cost_item, related_objects=[wall])