public static DoseValue Divide(this DoseValue numerator, DoseValue denominator)
{
var sameUnit = denominator.GetDose(numerator.Unit);
var mathOp = numerator.Dose / sameUnit;
return(new DoseValue(mathOp, numerator.Unit));
}
public static DoseValue Multiply(this DoseValue val, DoseValue val2)
{
var sameUnit = val2.GetDose(val.Unit);
var mathOp = val.Dose * sameUnit;
return(new DoseValue(mathOp, val.Unit));
}
public override ConstraintResult Constrain(PlanningItem pi)
{
var msg = string.Empty;
var passed = GetFailedResultType();
var dvhs = GetStructures(pi)
.Select(s => pi.GetDVHCumulativeData(s, ConstraintDose.GetPresentation(),
VolumePresentation.AbsoluteCm3, 0.01));
var meanValue = dvhs.Average(d => d.MeanDose.GetDose(ConstraintDose.Unit));
var mean = new DoseValue(meanValue, ConstraintDose.Unit);
var value = $"{mean.GetDose(ConstraintDose.Unit).ToString("F3")} {ConstraintDose.UnitAsString}";
passed = mean.GreaterThanOrEqualTo(ConstraintDose) ? ResultType.PASSED : GetFailedResultType();
msg = $"Mean dose to {string.Join("/", StructureNames)} is {value}.";
return(new ConstraintResult(this, passed, msg, value));
}
/// <summary>
/// Forces the units to be centigray. Used for quick comparison
/// </summary>
/// <param name="dv">the dose value</param>
/// <returns>dose in units of centigray</returns>
public static double GetDoseCGy(this DoseValue dv)
{
return(dv.GetDose(DoseValue.DoseUnit.cGy));
}
/// <summary>
/// Converts the dose to the unit requested. It cannot convert from % to abs dose. Will return NaN if asked
/// </summary>
/// <param name="dv">the dose value to be converted</param>
/// <param name="unit">the unit desired for the returned dose</param>
/// <returns>the dose in the desired units</returns>
public static DoseValue ConvertUnits(this DoseValue dv, DoseValue.DoseUnit unit)
{
var dose = dv.GetDose(unit);
return(new DoseValue(dose, unit));
}