ISO 10303-214:2010(E)

Figure — Arrowleft Figure — Clause 4 Figure — Arrowright

4.2.287 Item_instance_relationship

An Item_instance_relationship is a relationship between two Item_instance objects.

Except if specified in a specialization of this object, this relationship does not involve inheritance of data between the two related objects .

Each Item_instance_relationship is a General_item_instance_relationship, a Same_time_machining_relationship, or a Replaced_usage_relationship.

The data associated with an Item_instance_relationship are the following:

4.2.287.1 related

The related specifies the second of the two objects related by the Item_instance_relationship.

NOTE The semantics of this attribute are defined by the specializations of Item_instance_relationship.

See item_instance_relationship to item_instance for the application assertion.

4.2.287.2 relating

The relating specifies the first of the two objects related by the Item_instance_relationship.

NOTE The semantics of this attribute are defined by the specializations of Item_instance_relationship.

See item_instance_relationship to item_instance for the application assertion.

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