Note: There is a newer version of this specification see VEC 2.1.0

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

Other End This End General
Role Type Mult. Agg. Unique Ordered Mult. Description
orientation Transformation2D 0..1 Y Y N 1 Specifies the orientation of the view item.
occurrenceOrUsage OccurrenceOrUsage 0..* N Y N 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

This End Other End General
Role Mult. Agg. Unique Ordered Type Mult. Description
placedElementViewItem 0..* Y Y N BuildingBlockSpecification2D 1 Specifies the view items for OccurrenceOrUsages on a BuildingBlockSpecification2D.