IFC 4.3.0.1 (IFC4X3) development

5.4.4.32 Pset_Uncertainty

5.4.4.32.1 Semantic definition

Property set capturing the geometric uncertainty regarding measurements including how the way that uncertainty was assessed.

5.4.4.32.2 Applicable entities

5.4.4.32.3 Properties

Name Property Type Data Type Description
UncertaintyBasis IfcPropertyEnumeratedValue PEnum_UncertaintyBasis

Indication of the basis of the uncertainty

UncertaintyDescription IfcPropertySingleValue IfcText

General description of the uncertainty associated to the element or feature, its source and implications.

HorizontalUncertainty IfcPropertySingleValue IfcPositiveLengthMeasure

Indicative (95%-100%) range diameter associated to the vertical shape and position in X, if different to the linear uncertainty.

LinearUncertainty IfcPropertySingleValue IfcPositiveLengthMeasure

Indicative (95%-100%) range diameter associated to the overall shape and position in XYZ.

OrthogonalUncertainty IfcPropertySingleValue IfcPositiveLengthMeasure

Indicative (95%-100%) range diameter associated to the horizontal shape and position in Y, if different to the horizontal uncertainty.

VerticalUncertainty IfcPropertySingleValue IfcPositiveLengthMeasure

Indicative (95%-100%) range diameter associated to the vertical shape and position in Z, if different to the linear uncertainty.

Table 5.4.4.32.A

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5.4.4.32.4 Changelog

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