ISO 10303-214:2010(E)
An Activity_relationship is a relationship between two Activity objects.
The data associated with an Activity_relationship are the following:
The description specifies additional information about the Activity_relationship.
See activity_relationship to multi_language_string for the application assertion.
The description need not be specified for a particular Activity_relationship.
If present, there shall be exactly one object that defines the description for an Activity_relationship.
The related specifies the second of the two Activity objects related by an Activity_relationship.
NOTE The semantics of this attribute are defined by the attribute relation_type.
See activity_relationship to activity for the application assertion.
The relating specifies the first of the two Activity objects related by an Activity_relationship.
NOTE The semantics of this attribute are defined by the attribute relation_type.
See activity_relationship to activity for the application assertion.
The relation_type specifies the meaning of the relationship.
Where applicable the following values shall be used:
EXAMPLE An Activity that is controlled by a Work_order with work order type 'manufacturing release' may be derived from (is based on) another Activity controlled by another Work_order with 'work_order_type' 'design release'.
NOTE The criteria for 'simultaneity' and in particular the allowed delay between two Activity objects declared simultaneous, are user-dependent.
© ISO 2010 — All rights reserved