IfcAnnotationOccurrence

Definition from ISO/CD 10303-46:1992: The annotation occurrence entity is a geometric representation item which has style for presentation. This entity shall be used for annotation purposes only.

> NOTE Corresponding STEP name: annotation_occurrence. Please refer to ISO/IS 10303-46:1994 for the final definition of the formal standard.

Definition from IAI: The IfcAnnotationOccurrence, and its subtypes, shall only be used within a material or paper space dependent representation (note: paper space is not yet supported within this IFC release). Styled geometric representation items within model space shall use IfcStyledItem as the instance to link geometric representation items to style information.

> HISTORY New entity in Release IFC2x Edition 2.

EXPRESS specification:

ENTITY IfcAnnotationOccurrence
ABSTRACT SUPERTYPE OF | (ONEOF(IfcAnnotationTextOccurrence, IfcAnnotationSymbolOccurrence, IfcAnnotationCurveOccurrence, IfcAnnotationFillAreaOccurrence, IfcAnnotationSurfaceOccurrence))
SUBTYPE OF ( | IfcStyledItem);
END_ENTITY;

Inheritance graph

ENTITY IfcAnnotationOccurrence;
ENTITY IfcRepresentationItem;
INVERSE
LayerAssignments | : | SET OF IfcPresentationLayerAssignment FOR AssignedItems;
StyledByItem | : | SET [0:1] OF IfcStyledItem FOR Item;
ENTITY IfcStyledItem;
Item | : | OPTIONAL IfcRepresentationItem;
Styles | : | SET [1:?] OF IfcPresentationStyleAssignment;
Name | : | OPTIONAL IfcLabel;
ENTITY IfcAnnotationOccurrence;
END_ENTITY;