/// <summary>
/// Gets the dose at a volume for all structures in this constraint by merging their dvhs
/// </summary>
/// <param name="pi">the planning item containing the dose to be queried</param>
/// <returns>the dose value at the volume of this constraint</returns>
public DoseValue GetDoseAtVolume(PlanningItem pi)
{
var structures = StructureNames.Select(s => pi.GetStructure(s));
var doseAtVol = pi.GetDoseAtVolume(structures, Volume, VolumeType, ConstraintDose.GetPresentation());
return(doseAtVol);
}
/// <summary>
/// Merges cumulative DVHs into one DVH based on absolute volume
/// </summary>
/// <param name="pi">the planning item containing the dose to query</param>
/// <returns>the DVH as an array of DVHPoint values</returns>
public DVHPoint[] GetMergedDVH(PlanningItem pi)
{
var structures = GetStructures(pi);
var dvhs = structures.Select(s => pi.GetDVHCumulativeData(s, ConstraintDose.GetPresentation(),
VolumePresentation.AbsoluteCm3, 0.1));
return(dvhs.MergeDVHs());
}
public override ConstraintResult Constrain(PlanningItem pi)
{
var msg = string.Empty;
var passed = GetFailedResultType();
var structures = StructureNames.Select(s => pi.GetStructure(s));
var doseAtVol = pi.GetDoseAtVolume(structures, Volume, VolumeType, ConstraintDose.GetPresentation());
passed = PassingFunc(doseAtVol);
var stringUnit = VolumeType == VolumePresentation.AbsoluteCm3 ? "CC" : "%";
var value = $"{doseAtVol.GetDose(ConstraintDose.Unit).ToString("F3")} {ConstraintDose.UnitAsString}";
msg = $"Dose to {Volume} {stringUnit} of {StructureName} is {value}.";
return(new ConstraintResult(this, passed, msg, value));
}
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 min = dvhs.Min(d => d.MinDose);
var value = $"{min.GetDose(ConstraintDose.Unit).ToString("F3")} {ConstraintDose.UnitAsString}";
passed = min.GreaterThanOrEqualTo(ConstraintDose) ? ResultType.PASSED : GetFailedResultType();
msg = $"Minimum dose to {string.Join("/", StructureNames)} is {value}.";
return(new ConstraintResult(this, passed, msg, value));
}
