IfcProjectionCurve

Definition from IAI: A projection curve is an annotated curve within a dimension that points to a point of the product shape that is measured.

> NOTE: The IfcProjectionCurve is an entity that had been adopted from ISO 10303, Industrial automation systems and integration—Product data representation and exchange, Part 101: Integrated application resources: Draughting.

> NOTE Corresponding STEP name: projection_curve. Please refer to ISO/IS 10303-101:1994 page 18 for the final definition of the formal standard.

> HISTORY New entity in Release IFC2x 2nd Edition.

EXPRESS specification:

ENTITY IfcProjectionCurve
SUBTYPE OF ( | IfcAnnotationCurveOccurrence);
END_ENTITY;

Inheritance graph

ENTITY IfcProjectionCurve;
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;
ENTITY IfcAnnotationCurveOccurrence;
ENTITY IfcProjectionCurve;
END_ENTITY;