G4TrajectoryEncounteredVolumeFilter.cc

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// $Id: G4TrajectoryEncounteredVolumeFilter.cc 95107 2016-01-26 12:41:11Z allison $
//
// Filter trajectories according to encountered volume name. Only registered 
// volumes will pass the filter.
//
// John Allison, Feb 2016
//
#include "G4TrajectoryEncounteredVolumeFilter.hh"
#include "G4TransportationManager.hh"
#include "G4VTrajectoryPoint.hh"
#include "G4AttValue.hh"
#include "G4RichTrajectory.hh"

G4TrajectoryEncounteredVolumeFilter::G4TrajectoryEncounteredVolumeFilter(const G4String& name)
  :G4SmartFilter<G4VTrajectory>(name)
{}

G4TrajectoryEncounteredVolumeFilter::~G4TrajectoryEncounteredVolumeFilter() {}

bool
G4TrajectoryEncounteredVolumeFilter::Evaluate(const G4VTrajectory& traj) const
{
  try
  {
    const G4RichTrajectory& richTrajectory = dynamic_cast<const G4RichTrajectory&>(traj);

    for (const auto& pvname: fVolumes) {
      for (G4int iPoint = 0; iPoint < richTrajectory.GetPointEntries(); iPoint++) {
        G4VTrajectoryPoint* point = richTrajectory.GetPoint(iPoint);
        if (!point) continue;
        std::vector<G4AttValue>* attValues = point->CreateAttValues();
        std::vector<G4AttValue>::const_iterator iAtt;
        for (iAtt = attValues->begin(); iAtt != attValues->end(); ++iAtt) {
          if (iAtt->GetName() == "PostVPath" &&
              iAtt->GetValue().contains(pvname)) break;
        }
        if (iAtt != attValues->end()) {  // Required value found
          return true;  // First found pvname determines selection.
        }
      }
    }
    return false;
  }

  catch (const std::bad_cast&)
  {
    G4ExceptionDescription ed;
    ed << "Requires G4RichTrajectory - \"/vis/scene/add/trajectories rich\"";
    G4Exception
    ("G4TrajectoryEncounteredVolumeFilter::Evaluate(const G4VTrajectory& traj)",
     "modeling0126",
     JustWarning, ed);
    return false;
  }
}

void
G4TrajectoryEncounteredVolumeFilter::Add(const G4String& volume)
{
  fVolumes.push_back(volume);
}

void
G4TrajectoryEncounteredVolumeFilter::Print(std::ostream& ostr) const
{
  ostr<<"Volume names registered: "<<G4endl;
  std::vector<G4String>::const_iterator iter = fVolumes.begin();
  
  while (iter != fVolumes.end()) {
    ostr<<*iter<<G4endl;    
    iter++;
  }
}

void 
G4TrajectoryEncounteredVolumeFilter::Clear()
{
  // Clear volume vector
  fVolumes.clear();
}