public static double GetVolumeAtDose(this PlanningItem pitem, Structure structure, DoseValue dose, VolumePresentation requestedVolumePresentation)
{
if (pitem is PlanSetup)
{
return(((PlanSetup)pitem).GetVolumeAtDose(structure, dose, requestedVolumePresentation));
}
else
{
DVHData dvh = pitem.GetDVHCumulativeData(structure, DoseValuePresentation.Absolute, requestedVolumePresentation, 0.001);
return(DvhExtensions.VolumeAtDose(dvh, dose.Dose));
}
}
public static double GetVolumeAtDose(this PlanningItem pitem, Structure structure, DoseValue dose, VolumePresentation requestedVolumePresentation)
{
if (pitem is PlanSetup)
{
//try catch statement to switch dose units to system presentation. Otherwise exception "Dose Units do not match to system settings
try
{
return(((PlanSetup)pitem).GetVolumeAtDose(structure, dose, requestedVolumePresentation));
}
catch
{
if (dose.Unit.CompareTo(DoseValue.DoseUnit.cGy) == 0)
{
return(((PlanSetup)pitem).GetVolumeAtDose(structure, new DoseValue(dose.Dose / 100, DoseValue.DoseUnit.Gy), requestedVolumePresentation));
}
else if (dose.Unit.CompareTo(DoseValue.DoseUnit.Gy) == 0)
{
return(((PlanSetup)pitem).GetVolumeAtDose(structure, new DoseValue(dose.Dose * 100, DoseValue.DoseUnit.cGy), requestedVolumePresentation));
}
else
{
return(((PlanSetup)pitem).GetVolumeAtDose(structure, dose, requestedVolumePresentation));
}
}
}
else
{
DVHData dvh = pitem.GetDVHCumulativeData(structure, DoseValuePresentation.Absolute, requestedVolumePresentation, 0.001);
//convert dose unit to system unit: otherwise false output without warning
try
{
((PlanSum)pitem).PlanSetups.First().GetVolumeAtDose(structure, dose, requestedVolumePresentation);
return(DvhExtensions.VolumeAtDose(dvh, dose.Dose));
}
catch
{
if (dose.Unit.CompareTo(DoseValue.DoseUnit.cGy) == 0)
{
return(DvhExtensions.VolumeAtDose(dvh, dose.Dose / 100));
}
else if (dose.Unit.CompareTo(DoseValue.DoseUnit.Gy) == 0)
{
return(DvhExtensions.VolumeAtDose(dvh, dose.Dose * 100));
}
else
{
return(DvhExtensions.VolumeAtDose(dvh, dose.Dose));
}
}
}
}
public DVHViewModel(Patient pat, PlanningItem pItem, Course course, StructureSet ss, User user)
{
//patient information
_contextInfo = new ContextInformation
{
SelectedPatient = pat,
SelectedPlanningItem = pItem,
SelectedCourse = course,
SelectedStructureSet = pItem is PlanSetup ? ss : (pItem as PlanSum).StructureSet,
CurrentUser = user
};
_plans = new ObservableCollection <PlanInformation>();
//add plans to be displayed
if (pItem is PlanSetup)
{
PlanSumDoseVisibility = Visibility.Hidden;
_plans.Add(new PlanInformation(pItem as PlanSetup));
}
else //plan sum, so add all plans in it
{
PlanSumDoseVisibility = Visibility.Visible;
DoseValue tempPlanSumTotalDose = new DoseValue(0, SelectedPlanningItem.Dose.DoseMax3D.Unit);
foreach (PlanSetup plan in (pItem as PlanSum).PlanSetups)
{
_plans.Add(new PlanInformation(plan));
tempPlanSumTotalDose = DvhExtensions.AddDoseValues(tempPlanSumTotalDose, plan.TotalDose);
}
_planSumTotalDose = tempPlanSumTotalDose;
_planSumTotalDoseText = tempPlanSumTotalDose.Dose.ToString();
}
//protocol selection dropdowns
_categories = ConstraintList.GetCategories();
_protocols = ConstraintList.GetProtocols();
_selectedCategory = _categories.First();
//DVH
PlotModel = CreatePlotModel();
DVHStructures = GetContouredStructures();
//constraints table
DVHTable = new ObservableCollection <DVHTableRow>();
//misc
Username = _contextInfo.CurrentUser.Id;
}
public static double GetVolumeAtDose(this PlanningItem pitem, Structure structure, DoseValue dose, VolumePresentation requestedVolumePresentation, DoseValue?planSumRx = null)
{
//Get units that the dose is represented in within Eclipse but can't call that function if it's requesting % for a plan sum, so if that's the case it must be set manually
DoseValue.DoseUnit systemUnits = DoseValue.DoseUnit.Percent;
if (dose.Unit != DoseValue.DoseUnit.Percent)
{
systemUnits = pitem.GetDVHCumulativeData(structure, dose.Unit == DoseValue.DoseUnit.Percent ? DoseValuePresentation.Relative : DoseValuePresentation.Absolute, VolumePresentation.Relative, 1).MeanDose.Unit;
}
//When calling GetVolumeAtDose, the dose must be in the same units as the system is set to
//If "dose" is in %, they should be equal, but we will convert them if they are not equal to each other
if (dose.Unit != systemUnits)
{
if (dose.Unit == DoseValue.DoseUnit.cGy && systemUnits == DoseValue.DoseUnit.Gy)
{
dose = new DoseValue(dose.Dose / 100.0, DoseValue.DoseUnit.Gy);
}
else if (dose.Unit == DoseValue.DoseUnit.Gy && systemUnits == DoseValue.DoseUnit.cGy)
{
dose = new DoseValue(dose.Dose * 100.0, DoseValue.DoseUnit.cGy);
}
else
{
MessageBox.Show(String.Format("There was an error converting {0}, with units of {1} into the units used by Eclipse, {2}\n\nExpected values were cGy and Gy", dose.ToString(), dose.Unit.ToString(), systemUnits.ToString()), String.Format("Error during calculation of V{0}", dose.ToString()), MessageBoxButton.OK, MessageBoxImage.Warning);
}
}
//Now functions can be called as normal
if (pitem is PlanSetup)
{
return(((PlanSetup)pitem).GetVolumeAtDose(structure, dose, requestedVolumePresentation));
}
else
{
DVHData dvh = pitem.GetDVHCumulativeData(structure, DoseValuePresentation.Absolute, requestedVolumePresentation, 0.001);
if (dose.Unit == DoseValue.DoseUnit.Percent)
{
//MessageBox.Show(String.Format("Only absolute dose is supported for Plan Sums. A prescription dose of {1} will be assumed to convert the V{0} for {2} into a percentage.", dosecGy.ToString(), planSumRx.ToString(), structure.Id), String.Format("Error during calculation of V{0}", dosecGy.ToString()), MessageBoxButton.OK, MessageBoxImage.Warning);
return(DvhExtensions.VolumeAtDose(dvh, dose.Dose, planSumRx));
}
else
{
return(DvhExtensions.VolumeAtDose(dvh, dose.Dose));
}
}
}
public static DoseValue GetDoseAtVolume(this PlanningItem pitem, Structure structure, double volume, VolumePresentation volumePresentation, DoseValuePresentation requestedDosePresentation)
{
if (pitem is PlanSetup)
{
return(((PlanSetup)pitem).GetDoseAtVolume(structure, volume, volumePresentation, requestedDosePresentation));
}
else
{
if (requestedDosePresentation != DoseValuePresentation.Absolute)
{
throw new ApplicationException("Only absolute dose supported for Plan Sums");
}
DVHData dvh = pitem.GetDVHCumulativeData(structure, DoseValuePresentation.Absolute, volumePresentation, 0.001);
return(DvhExtensions.DoseAtVolume(dvh, volume));
}
}
public static DoseValue GetDoseAtVolume(this PlanningItem pitem, Structure structure, double volume, VolumePresentation volumePresentation, DoseValuePresentation requestedDosePresentation, DoseValue?planSumRx = null)
{
if (pitem is PlanSetup)
{
return(((PlanSetup)pitem).GetDoseAtVolume(structure, volume, volumePresentation, requestedDosePresentation));
}
else
{
DVHData dvh = pitem.GetDVHCumulativeData(structure, DoseValuePresentation.Absolute, volumePresentation, 0.001);
if (requestedDosePresentation != DoseValuePresentation.Absolute)
{
//MessageBox.Show(String.Format("Only absolute dose is supported for Plan Sums. A prescription dose of {1} will be assumed to convert the D{0}% for {2} into a percentage.", volume, planSumRx.ToString(), structure.Id), String.Format("Error during calculation of D{0}%", volume), MessageBoxButton.OK, MessageBoxImage.Warning);
return(DvhExtensions.DoseAtVolume(dvh, volume, planSumRx));
}
else
{
return(DvhExtensions.DoseAtVolume(dvh, volume));
}
}
}
//---------------------------------------------------------------------------------------------
void UpdateDvhLookup()
{
if (m_closing || SelectedStructure == null)
{
return;
}
bool doseAbsolute = m_absDoseCheckbox.IsChecked.Value;
bool volAbsolute = m_absVolCheckbox.IsChecked.Value;
m_volumeAtDoseResultLabel.Content = "";
m_doseAtVolumeResultLabel.Content = "";
m_resultVolumeAtDose.Content = "";
m_resultDoseAtVolume.Content = "";
m_structureVolume.Text = "";
double inputVolume = Double.NaN;
if (m_volumeTextBox.Text != null)
{
Double.TryParse(m_volumeTextBox.Text, out inputVolume);
}
double inputDose = Double.NaN;
if (m_doseTextBox.Text != null)
{
Double.TryParse(m_doseTextBox.Text, out inputDose);
}
DoseValuePresentation dosePres = doseAbsolute ? DoseValuePresentation.Absolute : DoseValuePresentation.Relative;
VolumePresentation volPres = volAbsolute ? VolumePresentation.AbsoluteCm3 : VolumePresentation.Relative;
DVHData dvhData = SelectedPlanningItem.GetDVHCumulativeData(SelectedStructure, dosePres, volPres, s_binWidth);
m_structureVolume.Text = dvhData.Volume.ToString("F5");
if (SelectedPlanningItem != null && SelectedPlanningItem.Dose != null && SelectedStructure != null)
{
if (!Double.IsNaN(inputVolume))
{
DoseValue val = SelectedPlanningItem.GetDoseAtVolume(SelectedStructure, inputVolume, volPres, dosePres);
DoseValue controlVal = DvhExtensions.DoseAtVolume(dvhData, inputVolume);
double err = Math.Abs((val.Dose - controlVal.Dose) / val.Dose);
if (err > 0.001)
{
MessageBox.Show("Value : " + val.ToString() + " Control Val : " + controlVal.ToString());
}
m_resultDoseAtVolume.Content = val.ToString();
string doseAtVolumeResultType = volAbsolute ? "cm3 D(" : "% D(";
doseAtVolumeResultType += inputVolume.ToString("F1") + (volAbsolute ? "cm3" : "%") + ") =";
m_doseAtVolumeResultLabel.Content = doseAtVolumeResultType;
}
if (!Double.IsNaN(inputDose))
{
DoseValue.DoseUnit doseUnit = dvhData.MaxDose.Unit;
double vol = SelectedPlanningItem.GetVolumeAtDose(SelectedStructure, new DoseValue(inputDose, doseUnit), volPres);
double controlVal = DvhExtensions.VolumeAtDose(dvhData, inputDose);
double err = Math.Abs((vol - controlVal) / vol);
if (err > 0.001)
{
MessageBox.Show("Value : " + vol.ToString("F3") + " Control Val : " + controlVal.ToString("F3"));
}
m_resultVolumeAtDose.Content = vol.ToString("F5") + (volAbsolute ? "cm3" : "%");
string volumeAtDoseResultType = doseUnit.ToString() + " V(";
volumeAtDoseResultType += inputDose.ToString("F1") + doseUnit.ToString() + " ) =";
m_volumeAtDoseResultLabel.Content = volumeAtDoseResultType;
}
}
}
