/// <summary>
/// Create the unit directly from the specfied dimension based on the unit system given.
/// </summary>
/// <param name="dimension"></param>
public static Unit DiscoverUnit(QuantityDimension dimension, string unitSystem)
{
List <Unit> SubUnits = new List <Unit>();
if (dimension.Currency.Exponent != 0)
{
Unit u = new Currency.Coin();
u.UnitExponent = dimension.Currency.Exponent;
u.UnitDimension = new QuantityDimension {
Currency = new DimensionDescriptors.CurrencyDescriptor(dimension.Currency.Exponent)
};
SubUnits.Add(u);
}
if (dimension.Mass.Exponent != 0)
{
Type UnitType = Unit.GetDefaultUnitTypeOf(typeof(Mass <>), unitSystem);
Unit u = (Unit)Activator.CreateInstance(UnitType);
u.UnitExponent = dimension.Mass.Exponent;
u.UnitDimension = new QuantityDimension(dimension.Mass.Exponent, 0, 0);
SubUnits.Add(u);
}
if (dimension.Length.Exponent != 0)
{
Type UnitType = Unit.GetDefaultUnitTypeOf(typeof(Length <>), unitSystem);
Unit u = (Unit)Activator.CreateInstance(UnitType);
u.UnitExponent = dimension.Length.Exponent;
u.UnitDimension = new QuantityDimension()
{
Length = dimension.Length
};
SubUnits.Add(u);
}
if (dimension.Time.Exponent != 0)
{
Type UnitType = Unit.GetDefaultUnitTypeOf(typeof(Time <>), unitSystem);
Unit u = (Unit)Activator.CreateInstance(UnitType);
u.UnitExponent = dimension.Time.Exponent;
u.UnitDimension = new QuantityDimension()
{
Time = dimension.Time
};
SubUnits.Add(u);
}
if (dimension.Temperature.Exponent != 0)
{
Type UnitType = Unit.GetDefaultUnitTypeOf(typeof(Temperature <>), unitSystem);
Unit u = (Unit)Activator.CreateInstance(UnitType);
u.UnitExponent = dimension.Temperature.Exponent;
u.UnitDimension = new QuantityDimension()
{
Temperature = dimension.Temperature
};
SubUnits.Add(u);
}
if (dimension.LuminousIntensity.Exponent != 0)
{
Type UnitType = Unit.GetDefaultUnitTypeOf(typeof(LuminousIntensity <>), unitSystem);
Unit u = (Unit)Activator.CreateInstance(UnitType);
u.UnitExponent = dimension.LuminousIntensity.Exponent;
u.UnitDimension = new QuantityDimension()
{
LuminousIntensity = dimension.LuminousIntensity
};
SubUnits.Add(u);
}
if (dimension.AmountOfSubstance.Exponent != 0)
{
Type UnitType = Unit.GetDefaultUnitTypeOf(typeof(AmountOfSubstance <>), unitSystem);
Unit u = (Unit)Activator.CreateInstance(UnitType);
u.UnitExponent = dimension.AmountOfSubstance.Exponent;
u.UnitDimension = new QuantityDimension(0, 0, 0, 0, 0, dimension.AmountOfSubstance.Exponent, 0);
SubUnits.Add(u);
}
if (dimension.ElectricCurrent.Exponent != 0)
{
Type UnitType = Unit.GetDefaultUnitTypeOf(typeof(ElectricalCurrent <>), unitSystem);
Unit u = (Unit)Activator.CreateInstance(UnitType);
u.UnitExponent = dimension.ElectricCurrent.Exponent;
u.UnitDimension = new QuantityDimension()
{
ElectricCurrent = dimension.ElectricCurrent
};
SubUnits.Add(u);
}
if (dimension.Currency.Exponent != 0)
{
Unit u = new Currency.Coin();
u.UnitExponent = dimension.Currency.Exponent;
u.UnitDimension = u.UnitDimension * dimension.Currency.Exponent;
SubUnits.Add(u);
}
if (dimension.Digital.Exponent != 0)
{
Unit u = new Digital.Bit();
u.UnitExponent = dimension.Digital.Exponent;
u.UnitDimension = u.UnitDimension * dimension.Digital.Exponent;
SubUnits.Add(u);
}
Unit un = null;
try
{
Type qType = QuantityDimension.QuantityTypeFrom(dimension);
un = new Unit(qType, SubUnits.ToArray());
}
catch (QuantityNotFoundException)
{
un = new Unit(null, SubUnits.ToArray());
}
return(un);
}
/// <summary>
/// Construct a unit based on the quantity type in SI Base units.
/// Any Dimensionless quantity will return in its unit.
/// </summary>
/// <param name="quantityType"></param>
public Unit(Type quantityType)
{
SubUnits = new List <Unit>();
//try direct mapping first to get the unit
Type InnerUnitType = Unit.GetDefaultSIUnitTypeOf(quantityType);
if (InnerUnitType == null)
{
QuantityDimension dimension = QuantityDimension.DimensionFrom(quantityType);
if (dimension.Mass.Exponent != 0)
{
Unit u = new Metric.SI.Gram();
u.UnitExponent = dimension.Mass.Exponent;
u.UnitDimension = u.UnitDimension * dimension.Mass.Exponent;
SubUnits.Add(u);
}
if (dimension.Length.Exponent != 0)
{
Unit u = new Metric.SI.Metre();
u.UnitExponent = dimension.Length.Exponent;
u.UnitDimension = u.UnitDimension * dimension.Length.Exponent;
SubUnits.Add(u);
}
if (dimension.Time.Exponent != 0)
{
Unit u = new Shared.Second();
u.UnitExponent = dimension.Time.Exponent;
u.UnitDimension = u.UnitDimension * dimension.Time.Exponent;
SubUnits.Add(u);
}
if (dimension.Temperature.Exponent != 0)
{
Unit u = new Metric.SI.Kelvin();
u.UnitExponent = dimension.Temperature.Exponent;
u.UnitDimension = u.UnitDimension * dimension.Temperature.Exponent;
SubUnits.Add(u);
}
if (dimension.LuminousIntensity.Exponent != 0)
{
Unit u = new Metric.SI.Candela();
u.UnitExponent = dimension.LuminousIntensity.Exponent;
u.UnitDimension = u.UnitDimension * dimension.LuminousIntensity.Exponent;
SubUnits.Add(u);
}
if (dimension.AmountOfSubstance.Exponent != 0)
{
Unit u = new Metric.SI.Mole();
u.UnitExponent = dimension.AmountOfSubstance.Exponent;
u.UnitDimension = u.UnitDimension * dimension.AmountOfSubstance.Exponent;
SubUnits.Add(u);
}
if (dimension.ElectricCurrent.Exponent != 0)
{
Unit u = new Metric.SI.Ampere();
u.UnitExponent = dimension.ElectricCurrent.Exponent;
u.UnitDimension = u.UnitDimension * dimension.ElectricCurrent.Exponent;
SubUnits.Add(u);
}
if (dimension.Currency.Exponent != 0)
{
Unit u = new Currency.Coin();
u.UnitExponent = dimension.Currency.Exponent;
u.UnitDimension = u.UnitDimension * dimension.Currency.Exponent;
SubUnits.Add(u);
}
if (dimension.Digital.Exponent != 0)
{
Unit u = new Digital.Bit();
u.UnitExponent = dimension.Digital.Exponent;
u.UnitDimension = u.UnitDimension * dimension.Digital.Exponent;
SubUnits.Add(u);
}
}
else
{
//subclass of AnyQuantity
//use direct mapping with the exponent of the quantity
Unit un = (Unit)Activator.CreateInstance(InnerUnitType);
SubUnits.Add(un);
}
this._Symbol = GenerateUnitSymbolFromSubBaseUnits();
this._IsDefaultUnit = true;
//the quantity may be derived quantity which shouldn't be referenced :check here.
this._QuantityType = quantityType;
_UnitDimension = QuantityDimension.DimensionFrom(this._QuantityType);
this._IsBaseUnit = false;
}