An OccurrenceOrUsageViewItem2D specifies the representation of an OccurrenceOrUsage in a 2DDrawing.

General Information

Attribute Value
Owner geo_2d
Applied Stereotype
Base Classifier ExtendableElement
Is Abstract false
Derived Classifiers


Name Type Mult. Description Owning Classifier
identification String 1

Specifies a unique identification of the OccurrenceOrUsageViewItem2D. The identification is guaranteed to be unique within the BuildingBlockSpecification2D.

aliasId AliasIdentification 0..*

Specifies additional identifiers for the OccurrenceOrUsageViewItem2D.

gridSquare String 0..1

Specifies the grid square in which the OccurrenceOrUsageViewItem2D is placed (e.g. E/40).


Outgoing Relations

Type Role Mult. Mult. Description
Transformation2D orientation 0..1 1 Specifies the orientation of the view item.
OccurrenceOrUsage occurrenceOrUsage 0..* 0..*

Specifies the OccurrenceOrUsages which are represented by the view item.

Important: To use one OccurenceOrUsageViewItem for multiple OccurrenceOrUsages is only valid, if the referenced items are true alternatives to each other. That means, they must have an identical placement, the geometrical models used for each item must be substitutable and the item must be mutually exclusive to each other.

Incoming Relations

Type Mult. Role Mult. Description
BuildingBlockSpecification2D 1 placedElementViewItem 0..* Specifies the view items for OccurrenceOrUsages on a BuildingBlockSpecification2D.