public static double NTCP(Structure structure, PlanSetup plan, VMMetric metric, bool useRapPlanEstimate)
{
MyDVHData StdDVH = new MyDVHData();
StdDVH.LoadDVH(structure, plan, DoseValuePresentation.Absolute, VolumePresentation.AbsoluteCm3, useRapPlanEstimate);
if (StdDVH.CurveData == null)
{
//missing upper or lower dvh estimate
return(0);
}
//Convert DHV to direct
MyDVHData.DVHPoint[] dirDVH = new MyDVHData.DVHPoint[StdDVH.CurveData.Count()];
dirDVH[dirDVH.Count() - 1] = new MyDVHData.DVHPoint
{
Dose = StdDVH.CurveData[StdDVH.CurveData.Count() - 1].Dose,
Volume = StdDVH.CurveData[StdDVH.CurveData.Count() - 1].Volume
};
for (int i = 0; i < StdDVH.CurveData.Count() - 1; i++)
{
dirDVH[i] = new MyDVHData.DVHPoint
{
Dose = StdDVH.CurveData[i].Dose,
Volume = StdDVH.CurveData[i].Volume - StdDVH.CurveData[i + 1].Volume
};
}
//Biocorrect DVH
foreach (var point in dirDVH)
{
point.Dose = BioDose.bioCorrectEQD2(point.Dose, plan, structure, metric.NTCPParameters.AlphaBeta);
}
double EUD_a = 1.0 / metric.NTCPParameters.LKBn;
double sum_bEUD = 0;
for (int i = 0; i < dirDVH.Count(); i++)
{
double tEUD = (dirDVH[i].Volume / (structure.Volume)) * Math.Pow(dirDVH[i].Dose, EUD_a);
sum_bEUD = sum_bEUD + tEUD;
}
double gEUD = Math.Pow(sum_bEUD, metric.NTCPParameters.LKBn);
//NORMSDIST((gEUD-lkb_d50)/(lkb_m*lkb_d50))
double NTCPOPER = (gEUD - metric.NTCPParameters.LKBD50) / (metric.NTCPParameters.LKBm * metric.NTCPParameters.LKBD50);
if (NTCPOPER > 4.89)//ANYTHING OVER THIS RESULTS IN AN NTCP OF 100%, BUT CAN GIVE THE STATS PACKAGE AN ERROR
{
NTCPOPER = 4.89;
}
return(100 * Statistics.NormSDist(NTCPOPER));
}
public static double DMax(Structure structure, PlanSetup plan, VMMetric metric, bool useRapPlanEstimate)
{
MyDVHData cumDVH = new MyDVHData();
cumDVH.LoadDVH(structure, plan, DoseValuePresentation.Absolute, VolumePresentation.AbsoluteCm3, useRapPlanEstimate);
if (cumDVH != null)
{
return(cumDVH.MaxDose);
}
else
{
return(0);
}
}
private static double GetVolumeWithDose(Structure structure, PlanSetup plan, double dose, DoseValuePresentation dosePresentation, VolumePresentation volPresentation, VMMetric metric, bool useRapPlanEstimate)
{
double volume = 0;
MyDVHData dvh = new MyDVHData();
dvh.LoadDVH(structure, plan, dosePresentation, volPresentation, useRapPlanEstimate);
if (dvh != null)
{
if (dvh.CurveData == null)
{
//missing upper or lower dvh estimate
return(0);
}
MyDVHData.DVHPoint[] points = dvh.CurveData;
for (int i = 0; i < points.Count(); i++)
{
if (points[i].Dose > dose)
{
if (i == 0)
{
volume = points[0].Volume;
break;
}
//interpolate volume
volume = points[i - 1].Volume + (points[i].Volume - points[i - 1].Volume) *
(dose - points[i - 1].Dose) / (points[i].Dose - points[i - 1].Dose);
break;
}
}
return(volume);
}
else
{
return(0);
}
}
