/// <summary>
/// Aligns beam isocenter to within the nearest mm.
/// </summary>
/// <param name="beam">beam in which isocenter will be set</param>
/// <param name="str">the structure in which the center will be used</param>
public static void AlignToStructureCenter(this IonBeam beam, Structure str)
{
var beamParams = beam.GetEditableParameters();
var rounded = new VVector(Math.Round(str.CenterPoint.x), Math.Round(str.CenterPoint.x), Math.Round(str.CenterPoint.x));
beamParams.Isocenter = rounded;
beam.ApplyParameters(beamParams);
}
/// <summary>
/// Aligns beam isocenter to within the nearest mm to structure midpoint (not "weighted" center).
/// </summary>
/// <param name="beam">beam in which isocenter will be set</param>
/// <param name="str">the structure in which the center will be used</param>
public static void AlignToStructureMidpoint(this IonBeam beam, Structure str)
{
var beamParams = beam.GetEditableParameters();
var midpoint = str.GetMidpoint();
var rounded = new VVector(Math.Round(midpoint.x), Math.Round(midpoint.y), Math.Round(midpoint.z));
beamParams.Isocenter = rounded;
beam.ApplyParameters(beamParams);
}