public IfcSIUnit(IfcUnitEnum unitType, IfcSIPrefix prefix, IfcSIUnitName name)
{
Dimensions = new IfcDimensionalExponents();
Dimensions.IsDerived = true;
UnitType = unitType;
Prefix = prefix;
Name = name;
}
public IfcSIUnit(IfcUnitEnum unitType, IfcSIPrefix prefix, IfcSIUnitName name)
{
Dimensions = new IfcDimensionalExponents();
Dimensions.IsDerived = true;
UnitType = unitType;
Prefix = prefix;
Name = name;
}
public SIUnit(IfcStore model, IfcSIUnitName name, IfcSIPrefix prefix, IfcUnitEnum unitType)
{
ifcSiUnit = model.Instances.New <IfcSIUnit>(p =>
{
p.Name = name;
p.Prefix = prefix;
p.UnitType = unitType;
});
this.name = name;
this.prefix = prefix;
this.unitType = unitType;
}
private static void SetConversionUnitsParameters(IModel model, IfcConversionBasedUnit unit, IfcLabel name,
IfcRatioMeasure ratio, IfcUnitEnum unitType, IfcSIUnitName siUnitName,
IfcSIPrefix? siUnitPrefix, IfcDimensionalExponents dimensions)
{
unit.Name = name;
unit.ConversionFactor = model.Instances.New<IfcMeasureWithUnit>();
unit.ConversionFactor.ValueComponent = ratio;
unit.ConversionFactor.UnitComponent = model.Instances.New<IfcSIUnit>(s =>
{
s.UnitType = unitType;
s.Name = siUnitName;
s.Prefix = siUnitPrefix;
});
unit.Dimensions = dimensions;
}
public static void SetOrChangeSIUnit(this IfcUnitAssignment ua, IfcUnitEnum unitType, IfcSIUnitName siUnitName,
IfcSIPrefix? siUnitPrefix)
{
IModel model = ua.ModelOf;
IfcSIUnit si = ua.Units.OfType<IfcSIUnit>().FirstOrDefault(u => u.UnitType == unitType);
if (si != null)
{
si.Prefix = siUnitPrefix;
si.Name = siUnitName;
}
else
{
ua.Units.Add(model.Instances.New<IfcSIUnit>(s =>
{
s.UnitType = unitType;
s.Name = siUnitName;
s.Prefix = siUnitPrefix;
}));
}
}
/// <summary>
/// Sets the Length Unit to be SIUnit and SIPrefix, returns false if the units are not SI
/// </summary>
/// <param name = "ua"></param>
/// <param name = "siUnitName"></param>
/// <param name = "siPrefix"></param>
/// <returns></returns>
public static bool SetSILengthUnits(this IfcUnitAssignment ua, IfcSIUnitName siUnitName, IfcSIPrefix? siPrefix)
{
IfcSIUnit si = ua.Units.OfType<IfcSIUnit>().FirstOrDefault(u => u.UnitType == IfcUnitEnum.LENGTHUNIT);
if (si != null)
{
si.Prefix = siPrefix;
si.Name = siUnitName;
return true;
}
else
return false;
}
public static void SetOrChangeSIUnit(this IfcProject ifcProject, IfcUnitEnum unitType, IfcSIUnitName siUnitName,
IfcSIPrefix? siUnitPrefix)
{
IModel model = ifcProject.ModelOf;
if (ifcProject.UnitsInContext == null)
{
ifcProject.UnitsInContext = model.Instances.New<IfcUnitAssignment>();
}
IfcUnitAssignment unitsAssignment = ifcProject.UnitsInContext;
unitsAssignment.SetOrChangeSIUnit(unitType, siUnitName, siUnitPrefix);
}
public IfcSIUnit(IfcDimensionalExponents dimensions, IfcUnitEnum unitType, IfcSIPrefix prefix, IfcSIUnitName name) : base(dimensions, unitType)
{
Prefix = prefix;
Name = name;
}
/// <summary>
/// Sets SI unit or change it if it exists. It does not affect any physical
/// values in the model, it just changes their meaning.
/// </summary>
/// <param name="UnitType">Enumeration of unit types</param>
/// <param name="siUnitName">Enumeration of base SI unit names</param>
/// <param name="siUnitPrefix">Enumeration of SI units prefixes</param>
public void SetOrChangeSIUnit(IfcUnitEnum UnitType, IfcSIUnitName siUnitName, IfcSIPrefix? siUnitPrefix)
{
((IfcProject)Model.IfcProject).SetOrChangeSIUnit(UnitType, siUnitName, siUnitPrefix);
}
public IfcSIUnit(DatabaseIfc m, IfcUnitEnum unitEnum, IfcSIPrefix pref, IfcSIUnitName name) : base(m, unitEnum, false) { mPrefix = pref; mName = name; }