IFC 4.3.2.20250327 (IFC4X3_ADD2) under development

7.10.3.3 IfcRelConnectsWithEccentricity

7.10.3.3.1 Semantic definition

The entity IfcRelConnectsWithEccentricity adds the definition of eccentricity to the connection between a structural member and a structural connection (representing either a node or support).

Use Definition

Point Connection ConnectionConstraint shall be of type IfcConnectionPointGeometry and shall refer to two instances of IfcVertexPoint.

Curve Connection ConnectionConstraint shall be of type IfcConnectionCurveGeometry and shall refer to two instances of IfcEdge or subtypes.

Surface Connection ConnectionConstraint shall be of type IfcConnectionSurfaceGeometry and shall refer to two instances of IfcFaceSurface.

7.10.3.3.2 Entity inheritance

7.10.3.3.3 Attributes

# Attribute Type Description
IfcRoot (4)
IfcRelConnectsStructuralMember (6)
Click to show 10 hidden inherited attributes
IfcRelConnectsWithEccentricity (1)
11 ConnectionConstraint IfcConnectionGeometry

The connection constraint explicitly states the eccentricity between a structural member and a structural connection by means of two topological objects (vertex and vertex, or edge and edge, or face and face).

Table 7.10.3.3.A

7.10.3.3.4 Concept usage

Concept Usage Description
IfcRoot (2)
Click to show 2 hidden inherited concepts
Table 7.10.3.3.B

7.10.3.3.5 Formal representation

ENTITY IfcRelConnectsWithEccentricity
SUBTYPE OF (IfcRelConnectsStructuralMember);
ConnectionConstraint : IfcConnectionGeometry;
END_ENTITY;

7.10.3.3.6 References