/// <summary>
/// set the second unit, used for time duration units
/// </summary>
private void SetSecondUnit()
{
if (_secondUnit == null)
{
_secondUnit = Model.Instances.New<IfcSIUnit>(si =>
{
si.UnitType = IfcUnitEnum.TIMEUNIT;
si.Prefix = null;
si.Name = IfcSIUnitName.SECOND;
});
}
if (_dimensionalExponents == null)
{
_dimensionalExponents = Model.Instances.New<IfcDimensionalExponents>(de =>
{
de.LengthExponent = 1;
de.MassExponent = 1;
de.TimeExponent = 1;
de.ElectricCurrentExponent = 1;
de.ThermodynamicTemperatureExponent = 1;
de.AmountOfSubstanceExponent = 1;
de.LuminousIntensityExponent = 1;
});
}
}
public void Reset()
{
Contacts.Clear();
_ifcConversionBasedUnitYear = null;
_ifcConversionBasedUnitMonth = null;
_ifcConversionBasedUnitWeek = null;
_secondUnit = null;
_dimensionalExponents = null;
WorkBook = null;
}