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Dimensions

IfcNamedUnit

ID:318903
GUID:-
Type:SUBJECT
Version:22
Version date:2013-02-22
Status:DRAFT
Owner:IFD-Nederland

Names

en-INIfcNamedUnit
nl-NLIfcNamedUnit

Description

Interaction

    Properties

    • UnitType
      • Dimension 1
        • : ABSORBEDDOSEUNIT
        • : AMOUNTOFSUBSTANCEUNIT
        • : AREAUNIT
        • : DOSEEQUIVALENTUNIT
        • : ELECTRICCAPACITANCEUNIT
        • : ELECTRICCHARGEUNIT
        • : ELECTRICCONDUCTANCEUNIT
        • : ELECTRICCURRENTUNIT
        • : ELECTRICRESISTANCEUNIT
        • : ELECTRICVOLTAGEUNIT
        • : ENERGYUNIT
        • : FORCEUNIT
        • : FREQUENCYUNIT
        • : ILLUMINANCEUNIT
        • : INDUCTANCEUNIT
        • : LENGTHUNIT
        • : LUMINOUSFLUXUNIT
        • : LUMINOUSINTENSITYUNIT
        • : MAGNETICFLUXDENSITYUNIT
        • : MAGNETICFLUXUNIT
        • : MASSUNIT
        • : PLANEANGLEUNIT
        • : POWERUNIT
        • : PRESSUREUNIT
        • : RADIOACTIVITYUNIT
        • : SOLIDANGLEUNIT
        • : THERMODYNAMICTEMPERATUREUNIT
        • : TIMEUNIT
        • : VOLUMEUNIT
        • : USERDEFINED

    References

    IfcNamedUnit

    Definition from ISO/CD 10303-41:1992: A named unit is a unit quantity associated with the word, or group of words, by which the unit is identified.

    EXPRESS specification:
    ENTITY IfcNamedUnit
    ABSTRACT SUPERTYPE OF (ONEOF(IfcContextDependentUnit, IfcConversionBasedUnit, IfcSIUnit));
    Dimensions: IfcDimensionalExponents;
    UnitType: IfcUnitEnum;
    WHERE
    WR1: IfcCorrectDimensions (SELF.UnitType, SELF.Dimensions);
    END_ENTITY;

    Attribute definitions:
    Dimensions: The dimensional exponents of the SI base units by which the named unit is defined.
    UnitType: The type of the unit.

    Formal Propositions:
    WR1: Correct dimensions of the unit are established through the function IfcCorrectDimensions.


    [IFC 2x3 TC1]