`ifcopenshell.util.constraint`¶

Module Contents¶

ifcopenshell.util.constraint.get_constrained_elements(constraint: ifcopenshell.entity_instance) → set[ifcopenshell.entity_instance]¶

Retrieves the elements constrained by a constraint.

Parameters:: product (ifcopenshell.entity_instance) – The IFC element.
Returns:: Set of elements constrained by a constrant.
Return type:: set[ifcopenshell.entity_instance]

ifcopenshell.util.constraint.get_constraints(product: ifcopenshell.entity_instance) → list[ifcopenshell.entity_instance]¶

Retrieves the constraints assigned to the product.

Parameters:: product (ifcopenshell.entity_instance) – The IFC element.
Returns:: List of assigned constraints.
Return type:: list[ifcopenshell.entity_instance]

ifcopenshell.util.constraint.get_metric_constraints(resource: ifcopenshell.entity_instance, attribute) → list[ifcopenshell.entity_instance] | None¶

ifcopenshell.util.constraint.get_metric_reference(metric: ifcopenshell.entity_instance, is_deep=True)¶

ifcopenshell.util.constraint.get_metrics(constraint: ifcopenshell.entity_instance) → list[ifcopenshell.entity_instance]¶

Retrieves the list of nested constraints for a IfcObjective constraint.

Parameters:: product (ifcopenshell.entity_instance) – IfcObjective constraint.
Returns:: List of nested constraints.
Return type:: list[ifcopenshell.entity_instance]

ifcopenshell.util.constraint.is_attribute_locked(product: ifcopenshell.entity_instance, attribute) → bool¶

ifcopenshell.util.constraint.is_hard_constraint(metric: ifcopenshell.entity_instance) → bool¶