4.1.2 Project Representation Context

A project representation context indicates the coordinate system orientation, direction of true north, precision, and other values that apply to all geometry within a project or project library.

Figure 4 illustrates an instance diagram.

Project Representation ContextIfcProjectIfcGeometricRepresentationContextIfcLabelIfcLabelIfcDimensionCountIfcAxis2Placement3DIfcCartesianPointIfcDirectionIfcDirectionIfcDirectionIfcGeometricRepresentationSubContextIfcPositiveRatioMeasureIfcGeometricProjectionEnumIfcLabel

Figure 4 — Project Representation Context

AISC Model View

Entity
IfcProjectR
R

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