/// <summary>
/// Returns the sum of the volumes across the input structures at a given input dose
/// </summary>
/// <param name="pi">the current planning item</param>
/// <param name="ss">the structures to query</param>
/// <param name="dv">the dose value to query</param>
/// <param name="vPres">the volume presentation to return</param>
/// <returns>the volume at the requested presentation</returns>
public static double GetVolumeAtDose(this PlanningItem pi, IEnumerable <Structure> ss, DoseValue dv,
VolumePresentation vPres)
{
dv = dv.ConvertToSystemUnits(pi);
var vol = ss.Sum(s => pi.GetVolumeAtDose(s, dv, VolumePresentation.AbsoluteCm3));
return(vPres == VolumePresentation.AbsoluteCm3 ? vol : vol / ss.Sum(s => s.Volume) * 100);
}
/// <summary>
/// Returns the volume of the input structure at a given input dose
/// </summary>
/// <param name="pi">the current planning item</param>
/// <param name="s">the structure to query</param>
/// <param name="dv">the dose value to query</param>
/// <param name="vPres">the volume presentation to return</param>
/// <returns>the volume at the requested presentation</returns>
public static double GetVolumeAtDose(this PlanningItem pi, Structure s, DoseValue dv, VolumePresentation vPres)
{
dv = dv.ConvertToSystemUnits(pi);
var dPres = dv.GetPresentation();
var dvhCurve = pi.GetComplexDVH(new List <Structure> {
s
}, vPres, dPres);
return(dvhCurve.GetVolumeAtDose(dv));
}
