An IfcVector is a geometric representation item having both a magnitude and direction. The magnitude of the vector is solely defined by the Magnitude attribute and the direction is solely defined by the Orientation attribute.
|LayerAssignment||SET [0:1] OF IfcPresentationLayerAssignment FOR AssignedItems||
Assignment of the representation item to a single or multiple layer(s). The LayerAssignments can override a LayerAssignments of the IfcRepresentation it is used within the list of Items.
|StyledByItem||SET [0:1] OF IfcStyledItem FOR Item||
Reference to the IfcStyledItem that provides presentation information to the representation, e.g. a curve style, including colour and thickness to a geometric curve.
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The direction of the vector.
The magnitude of the vector. All vectors of Magnitude 0.0 are regarded as equal in value regardless of the orientation attribute.
This attribute is formally derived.
The space dimensionality of this class, it is derived from Orientation
The magnitude shall be positive or zero.
ENTITY IfcVector SUBTYPE OF (IfcGeometricRepresentationItem); Orientation : IfcDirection; Magnitude : IfcLengthMeasure; DERIVE Dim : IfcDimensionCount := Orientation.Dim; WHERE MagGreaterOrEqualZero : Magnitude >= 0.0; END_ENTITY;