ISO 10303-214:2010(E)
A Drawing_assignment is a mechanism to associate a Drawing with the object that is presented on the Drawing.
The data associated with a Drawing_assignment are the following:
The associated_drawing specifies the Drawing that is associated with the object.
See drawing_assignment to drawing for the application assertion.
The is_describing specifies the object that is associated with the Drawing.
EXAMPLE An example for assigning a Drawing to an Item_version is the case, when two Mating_definition objects belonging to the same Item_version but to different mating trees are shown and annotated in one Drawing for the purpose of giving additional information, e.g., for handling operations.
See drawing_assignment to complex_product, drawing_assignment to design_constraint, drawing_assignment to design_discipline_item_definition, drawing_assignment to item_definition_instance_relationship, drawing_assignment to item_definition_relationship, drawing_assignment to item_instance, drawing_assignment to item_instance_relationship, drawing_assignment to item_version, drawing_assignment to process_operation_definition, drawing_assignment to process_operation_occurrence, drawing_assignment to process_plan, drawing_assignment to product_class, drawing_assignment to specification, and drawing_assignment to specification_category for the application assertions.
There shall be exactly one object that the Drawing_assignment is_describing.
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