ISO 10303-214:2010(E)

Figure — Arrowleft Figure — Clause 4 Figure — Arrowright

4.2.237 General_item_definition_instance_relationship

A General_item_definition_instance_relationship is a relationship between a Design_discipline_item_definition and an Item_instance whose meaning is defined by the attribute 'relation_type'.

EXAMPLE The relationship between the definition (Design_discipline_item_definition) of a rubber gasket and the instances (Item_instance) of the doors the gasket is used for, is an example for a General_item_definition_instance_relationship. In this case the relationship gives information that the length of the gasket depends on the actual shape of each door.

A General_item_definition_instance_relationship is a type of Item_definition_instance_relationship.

The data associated with a General_item_definition_instance_relationship are the following:

4.2.237.1 description

The description specifies additional information about the General_item_definition_instance_relationship.

See general_item_definition_instance_relationship to multi_language_string for the application assertion.

The description need not be specified for a particular General_item_definition_instance_relationship.

If present, there shall be exactly one object that defines the description for a General_item_definition_instance_relationship.

4.2.237.2 relation_type

The relation_type specifies the meaning of the relationship.



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