@@ -7,18 +7,18 @@ When IFC models are verified, their values need to be converted to the default u
77The following table lists the measures that need to be converted, along with the metadata to support the conversion process.
88A full list of IFC Defined types can be found in the IFC documentation.
99
10- The order of dimensional exponent units is ` (m, Kg , s, A, K, mol, cd) ` .
10+ The order of dimensional exponent units is ` (m, kg , s, A, K, mol, cd) ` .
1111
1212| Ifc Defined Type name | Physical Quantity description | Unit | Unit Symbol | Default display | Dimensional exponents | Unit enumeration | IfcSIUnitName enumerations |
1313| --------------------------------------------- | --------------------------------------- | ------------ | ----------- | --------------- | ----------------------- | ---------------------------------------------------------- | -------------------------------------------------- |
14- | IFCABSORBEDDOSEMEASURE | Absorbed radioactivity dose | gray | Gy | J / Kg | (2, 0, -2, 0, 0, 0, 0) | IfcUnitEnum.ABSORBEDDOSEUNIT | IfcSIUnitName.GRAY |
14+ | IFCABSORBEDDOSEMEASURE | Absorbed radioactivity dose | gray | Gy | J / kg | (2, 0, -2, 0, 0, 0, 0) | IfcUnitEnum.ABSORBEDDOSEUNIT | IfcSIUnitName.GRAY |
1515| IFCACCELERATIONMEASURE | Acceleration | | | m / s2 | (1, 0, -2, 0, 0, 0, 0) | IfcDerivedUnitEnum.ACCELERATIONUNIT | |
1616| IFCAMOUNTOFSUBSTANCEMEASURE | Amount of substance | mole | mol | mol | (0, 0, 0, 0, 0, 1, 0) | IfcUnitEnum.AMOUNTOFSUBSTANCEUNIT | IfcSIUnitName.MOLE |
1717| IFCANGULARVELOCITYMEASURE | Angular velocity | | | rad / s | (0, 0, -1, 0, 0, 0, 0) | IfcDerivedUnitEnum.ANGULARVELOCITYUNIT | |
18- | IFCAREADENSITYMEASURE | Area density | | | Kg / m2 | (-2, 1, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.AREADENSITYUNIT | |
18+ | IFCAREADENSITYMEASURE | Area density | | | kg / m2 | (-2, 1, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.AREADENSITYUNIT | |
1919| IFCAREAMEASURE | Area | square meter | | m2 | (2, 0, 0, 0, 0, 0, 0) | IfcUnitEnum.AREAUNIT | IfcSIUnitName.SQUARE_METRE |
2020| IFCCURVATUREMEASURE | Curvature | | | rad / m | (-1, 0, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.CURVATUREUNIT | |
21- | IFCDOSEEQUIVALENTMEASURE | Dose equivalent | sievert | Sv | J / Kg | (2, 0, -2, 0, 0, 0, 0) | IfcUnitEnum.DOSEEQUIVALENTUNIT | IfcSIUnitName.SIEVERT |
21+ | IFCDOSEEQUIVALENTMEASURE | Dose equivalent | sievert | Sv | J / kg | (2, 0, -2, 0, 0, 0, 0) | IfcUnitEnum.DOSEEQUIVALENTUNIT | IfcSIUnitName.SIEVERT |
2222| IFCDYNAMICVISCOSITYMEASURE | Dynamic viscosity | | | Pa s | (-1, 1, -1, 0, 0, 0, 0) | IfcDerivedUnitEnum.DYNAMICVISCOSITYUNIT | |
2323| IFCELECTRICCAPACITANCEMEASURE | Electric capacitance | farad | F | F | (-2, 1, 4, 1, 0, 0, 0) | IfcUnitEnum.ELECTRICCAPACITANCEUNIT | IfcSIUnitName.FARAD |
2424| IFCELECTRICCHARGEMEASURE | Electric charge | coulomb | C | C | (0, 0, 1, 1, 0, 0, 0) | IfcUnitEnum.ELECTRICCHARGEUNIT | IfcSIUnitName.COULOMB |
@@ -35,7 +35,7 @@ The order of dimensional exponent units is `(m, Kg, s, A, K, mol, cd)`.
3535| IFCINDUCTANCEMEASURE | Inductance | henry | H | Wb / A | (2, 1, -2, -2, 0, 0, 0) | IfcUnitEnum.INDUCTANCEUNIT | IfcSIUnitName.HENRY |
3636| IFCINTEGERCOUNTRATEMEASURE | Count rate | | | 1 / s | (0, 0, -1, 0, 0, 0, 0) | IfcDerivedUnitEnum.INTEGERCOUNTRATEUNIT | |
3737| IFCIONCONCENTRATIONMEASURE | Ion concentration measure | | | mol / m3 | (-3, 1, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.IONCONCENTRATIONUNIT | |
38- | IFCISOTHERMALMOISTURECAPACITYMEASURE | Iso thermal moisture capacity | | | m3 / Kg | (3, -1, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.ISOTHERMALMOISTURECAPACITYUNIT | |
38+ | IFCISOTHERMALMOISTURECAPACITYMEASURE | Iso thermal moisture capacity | | | m3 / kg | (3, -1, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.ISOTHERMALMOISTURECAPACITYUNIT | |
3939| IFCKINEMATICVISCOSITYMEASURE | Kinematic viscosity | | | m2 / s | (2, 0, -1, 0, 0, 0, 0) | IfcDerivedUnitEnum.KINEMATICVISCOSITYUNIT | |
4040| IFCLENGTHMEASURE | Length | meter | m | m | (1, 0, 0, 0, 0, 0, 0) | IfcUnitEnum.LENGTHUNIT | IfcSIUnitName.METRE |
4141| IFCLINEARFORCEMEASURE | Linear force | | | N / m | (0, 1, -2, 0, 0, 0, 0) | IfcDerivedUnitEnum.LINEARFORCEUNIT | |
@@ -47,16 +47,16 @@ The order of dimensional exponent units is `(m, Kg, s, A, K, mol, cd)`.
4747| IFCLUMINOUSINTENSITYMEASURE | Luminous intensity | candela | cd | cd | (0, 0, 0, 0, 0, 0, 1) | IfcUnitEnum.LUMINOUSINTENSITYUNIT | IfcSIUnitName.CANDELA |
4848| IFCMAGNETICFLUXDENSITYMEASURE | Magnetic flux density | tesla | T | Wb / m2 | (0, 1, -2, -1, 0, 0, 0) | IfcUnitEnum.MAGNETICFLUXDENSITYUNIT | IfcSIUnitName.TESLA |
4949| IFCMAGNETICFLUXMEASURE | Magnetic flux | weber | Wb | Wb | (2, 1, -2, -1, 0, 0, 0) | IfcDerivedUnitEnum.MAGNETICFLUXUNIT | IfcSIUnitName.WEBER |
50- | IFCMASSDENSITYMEASURE | Mass density | | | Kg / m3 | (-3, 1, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.MASSDENSITYUNIT | |
51- | IFCMASSFLOWRATEMEASURE | Mass flow rate | | | Kg / s | (0, 1, -1, 0, 0, 0, 0) | IfcDerivedUnitEnum.MASSFLOWRATEUNIT | |
52- | IFCMASSMEASURE | Mass | kilogram | Kg | Kg | (0, 1, 0, 0, 0, 0, 0) | IfcUnitEnum.MASSUNIT | IfcSIUnitName.GRAM |
53- | IFCMASSPERLENGTHMEASURE | Mass per length | | | Kg / m | (-1, 1, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.MASSPERLENGTHUNIT | |
50+ | IFCMASSDENSITYMEASURE | Mass density | | | kg / m3 | (-3, 1, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.MASSDENSITYUNIT | |
51+ | IFCMASSFLOWRATEMEASURE | Mass flow rate | | | kg / s | (0, 1, -1, 0, 0, 0, 0) | IfcDerivedUnitEnum.MASSFLOWRATEUNIT | |
52+ | IFCMASSMEASURE | Mass | kilogram | kg | kg | (0, 1, 0, 0, 0, 0, 0) | IfcUnitEnum.MASSUNIT | IfcSIUnitName.GRAM |
53+ | IFCMASSPERLENGTHMEASURE | Mass per length | | | kg / m | (-1, 1, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.MASSPERLENGTHUNIT | |
5454| IFCMODULUSOFELASTICITYMEASURE | Modulus of elasticity | | | N / m2 | (-1, 1, -2, 0, 0, 0, 0) | IfcDerivedUnitEnum.MODULUSOFELASTICITYUNIT | |
5555| IFCMODULUSOFLINEARSUBGRADEREACTIONMEASURE | Modulus of linear subgrade reaction | | | N / m2 | (-1, 1, -2, 0, 0, 0, 0) | IfcDerivedUnitEnum.MODULUSOFLINEARSUBGRADEREACTIONUNIT | |
5656| IFCMODULUSOFROTATIONALSUBGRADEREACTIONMEASURE | Modulus of rotational subgrade reaction | | | N m / m rad | (1, 1, -2, 0, 0, 0, 0) | IfcDerivedUnitEnum.MODULUSOFROTATIONALSUBGRADEREACTIONUNIT | |
5757| IFCMODULUSOFSUBGRADEREACTIONMEASURE | Modulus of subgrade reaction | | | N / m3 | (-2, 1, -2, 0, 0, 0, 0) | IfcDerivedUnitEnum.MODULUSOFSUBGRADEREACTIONUNIT | |
5858| IFCMOISTUREDIFFUSIVITYMEASURE | Moisture diffusivity | | | m3 / s | (3, 0, -1, 0, 0, 0, 0) | IfcDerivedUnitEnum.MOISTUREDIFFUSIVITYUNIT | |
59- | IFCMOLECULARWEIGHTMEASURE | Molecular weight | | | Kg / mol | (0, 1, 0, 0, 0, -1, 0) | IfcDerivedUnitEnum.MOLECULARWEIGHTUNIT | |
59+ | IFCMOLECULARWEIGHTMEASURE | Molecular weight | | | kg / mol | (0, 1, 0, 0, 0, -1, 0) | IfcDerivedUnitEnum.MOLECULARWEIGHTUNIT | |
6060| IFCMOMENTOFINERTIAMEASURE | Moment of inertia | | | m4 | (4, 0, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.MOMENTOFINERTIAUNIT | |
6161| IFCNONNEGATIVELENGTHMEASURE | Non negative length | meter | m | m | (1, 0, 0, 0, 0, 0, 0) | IfcUnitEnum.LENGTHUNIT | IfcSIUnitName.METRE |
6262| IFCPHMEASURE | pH | | pH | pH | (0, 0, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.PHUNIT | |
@@ -68,7 +68,7 @@ The order of dimensional exponent units is `(m, Kg, s, A, K, mol, cd)`.
6868| IFCPRESSUREMEASURE | Pressure | pascal | Pa | Pa | (-1, 1, -2, 0, 0, 0, 0) | IfcUnitEnum.PRESSUREUNIT | IfcSIUnitName.PASCAL |
6969| IFCRADIOACTIVITYMEASURE | Radio activity | becquerel | Bq | Bq | (0, 0, -1, 0, 0, 0, 0) | IfcUnitEnum.RADIOACTIVITYUNIT | IfcSIUnitName.BECQUEREL |
7070| IFCROTATIONALFREQUENCYMEASURE | Rotational frequency | hertz | Hz | Hz | (0, 0, -1, 0, 0, 0, 0) | IfcDerivedUnitEnum.ROTATIONALFREQUENCYUNIT | IfcSIUnitName.HERTZ |
71- | IFCROTATIONALMASSMEASURE | Rotational mass | | | Kg m2 | (2, 1, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.ROTATIONALMASSUNIT | |
71+ | IFCROTATIONALMASSMEASURE | Rotational mass | | | kg m2 | (2, 1, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.ROTATIONALMASSUNIT | |
7272| IFCROTATIONALSTIFFNESSMEASURE | Rotational stiffness | | | N m / rad | (2, 1, -2, 0, 0, 0, 0) | IfcDerivedUnitEnum.ROTATIONALSTIFFNESSUNIT | |
7373| IFCSECTIONALAREAINTEGRALMEASURE | Sectional area integral | | | m5 | (5, 0, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.SECTIONALAREAINTEGRALUNIT | |
7474| IFCSECTIONMODULUSMEASURE | Section modulus | | | m3 | (3, 0, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.SECTIONMODULUSUNIT | |
@@ -78,7 +78,7 @@ The order of dimensional exponent units is `(m, Kg, s, A, K, mol, cd)`.
7878| IFCSOUNDPOWERMEASURE | Sound power | decibel | db | db | (0, 0, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.SOUNDPOWERUNIT | |
7979| IFCSOUNDPRESSURELEVELMEASURE | Sound pressure level | decibel | db | db | (0, 0, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.SOUNDPRESSURELEVELUNIT | |
8080| IFCSOUNDPRESSUREMEASURE | Sound pressure | decibel | db | db | (0, 0, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.SOUNDPRESSUREUNIT | |
81- | IFCSPECIFICHEATCAPACITYMEASURE | Specific heat capacity | | | J / Kg K | (2, 0, -2, 0, -1, 0, 0) | IfcDerivedUnitEnum.SPECIFICHEATCAPACITYUNIT | |
81+ | IFCSPECIFICHEATCAPACITYMEASURE | Specific heat capacity | | | J / kg K | (2, 0, -2, 0, -1, 0, 0) | IfcDerivedUnitEnum.SPECIFICHEATCAPACITYUNIT | |
8282| IFCTEMPERATUREGRADIENTMEASURE | Temperature gradient | | | K / m | (-1, 0, 0, 0, 1, 0, 0) | IfcDerivedUnitEnum.TEMPERATUREGRADIENTUNIT | |
8383| IFCTEMPERATURERATEOFCHANGEMEASURE | Temperature rate of change | | | K / s | (0, 0, -1, 0, 1, 0, 0) | IfcDerivedUnitEnum.TEMPERATURERATEOFCHANGEUNIT | |
8484| IFCTHERMALADMITTANCEMEASURE | Thermal admittance | | | W / m2 K | (0, 1, -3, 0, -1, 0, 0) | IfcDerivedUnitEnum.THERMALADMITTANCEUNIT | |
@@ -89,7 +89,7 @@ The order of dimensional exponent units is `(m, Kg, s, A, K, mol, cd)`.
8989| IFCTHERMODYNAMICTEMPERATUREMEASURE | Temperature | kelvin | °K | °K | (0, 0, 0, 0, 1, 0, 0) | IfcUnitEnum.THERMODYNAMICTEMPERATUREUNIT | IfcSIUnitName.KELVIN, IfcSIUnitName.DEGREE_CELSIUS |
9090| IFCTIMEMEASURE | Time | second | s | s | (0, 0, 1, 0, 0, 0, 0) | IfcUnitEnum.TIMEUNIT | IfcSIUnitName.SECOND |
9191| IFCTORQUEMEASURE | Torque | | | N m | (2, 1, -2, 0, 0, 0, 0) | IfcDerivedUnitEnum.TORQUEUNIT | |
92- | IFCVAPORPERMEABILITYMEASURE | Vapor permeability | | | Kg / s m Pa | (0, 0, 1, 0, 0, 0, 0) | IfcDerivedUnitEnum.VAPORPERMEABILITYUNIT | |
92+ | IFCVAPORPERMEABILITYMEASURE | Vapor permeability | | | kg / s m Pa | (0, 0, 1, 0, 0, 0, 0) | IfcDerivedUnitEnum.VAPORPERMEABILITYUNIT | |
9393| IFCVOLUMEMEASURE | Volume | cubic meter | | m3 | (3, 0, 0, 0, 0, 0, 0) | IfcUnitEnum.VOLUMEUNIT | IfcSIUnitName.CUBIC_METRE |
9494| IFCVOLUMETRICFLOWRATEMEASURE | Volumetric flow rate | | | m3 / s | (3, 0, -1, 0, 0, 0, 0) | IfcDerivedUnitEnum.VOLUMETRICFLOWRATEUNIT | |
9595| IFCWARPINGCONSTANTMEASURE | Warping constant | | | m6 | (6, 0, 0, 0, 0, 0, 0) | IfcDerivedUnitEnum.WARPINGCONSTANTUNIT | |
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