# 8.11.3.6 IfcDimensionalExponents

## 8.11.3.6.1 Semantic definition

## 8.11.3.6.2 Entity inheritance

## 8.11.3.6.3 Attributes

# | Attribute | Type | Description |
---|---|---|---|

IfcDimensionalExponents (7) | |||

1 | LengthExponent | INTEGER |
The power of the length base quantity. |

2 | MassExponent | INTEGER |
The power of the mass base quantity. |

3 | TimeExponent | INTEGER |
The power of the time base quantity. |

4 | ElectricCurrentExponent | INTEGER |
The power of the electric current base quantity. |

5 | ThermodynamicTemperatureExponent | INTEGER |
The power of the thermodynamic temperature base quantity. |

6 | AmountOfSubstanceExponent | INTEGER |
The power of the amount of substance base quantity. |

7 | LuminousIntensityExponent | INTEGER |
The power of the luminous intensity base quantity. |

## 8.11.3.6.4 Examples

## 8.11.3.6.5 Formal representation

```
ENTITY IfcDimensionalExponents;
LengthExponent : INTEGER;
MassExponent : INTEGER;
TimeExponent : INTEGER;
ElectricCurrentExponent : INTEGER;
ThermodynamicTemperatureExponent : INTEGER;
AmountOfSubstanceExponent : INTEGER;
LuminousIntensityExponent : INTEGER;
END_ENTITY;
```