G4PhysicalVolumeSearchScene.cc

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// 
// John Allison  10th August 1998.
// An artificial scene to find physical volumes.

#include "G4PhysicalVolumeSearchScene.hh"

#include "G4VSolid.hh"
#include "G4Vector3D.hh"
#include "G4PhysicalVolumeModel.hh"

G4PhysicalVolumeSearchScene::G4PhysicalVolumeSearchScene
(G4PhysicalVolumeModel* pPVModel,
 const G4String& requiredPhysicalVolumeName,
 G4int requiredCopyNo,
 G4int verbosity):
  fpPVModel                     (pPVModel),
  fRequiredPhysicalVolumeName   (requiredPhysicalVolumeName),
  fRequiredCopyNo               (requiredCopyNo),
  fFoundDepth                   (0),
  fpFoundPV                     (0),
  fVerbosity                    (verbosity),
  fMultipleOccurrence           (false)
{}

G4PhysicalVolumeSearchScene::~G4PhysicalVolumeSearchScene () {}

void G4PhysicalVolumeSearchScene::ProcessVolume (const G4VSolid&) {

  G4VPhysicalVolume* pCurrentPV = fpPVModel->GetCurrentPV();

  /**************************************************
  G4cout << "Required volume: \"" << fRequiredPhysicalVolumeName
   << "\", copy no. " << fRequiredCopyNo << G4endl;
  G4cout << "PhysicalVolume:  \"" << pCurrentPV -> GetName ()
   << "\", copy no. " << pCurrentPV -> GetCopyNo () << G4endl;
  *******************************************/

  const G4String& name = fpPVModel->GetCurrentPV() -> GetName ();
  if (name.length() == fRequiredPhysicalVolumeName.length()) {
    if (fRequiredPhysicalVolumeName == name) {
      
      typedef G4PhysicalVolumeModel::G4PhysicalVolumeNodeID PVNodeID;
      typedef std::vector<PVNodeID> PVPath;
      const PVPath& fullPVPath = fpPVModel->GetFullPVPath();
      G4int currentDepth = fpPVModel->GetCurrentDepth();      
      if ((fRequiredCopyNo             < 0 ||  // I.e., ignore negative request.
           fRequiredCopyNo             == pCurrentPV -> GetCopyNo ())) {
        // Current policy - take first one found!!
        if (!fpFoundPV) {  // i.e., if not already found.
          fFoundFullPVPath           = fullPVPath;
          fFoundDepth                = currentDepth;
          fpFoundPV                  = pCurrentPV;
          fFoundObjectTransformation = *fpCurrentObjectTransformation;
        }
        else {
          if (!fMultipleOccurrence && fVerbosity > 0) {
            fMultipleOccurrence = true;
            G4cout << "G4PhysicalVolumeSearchScene::FindVolume:"
            << "\n  Required volume \""
            << fRequiredPhysicalVolumeName
            << "\"";
            if (fRequiredCopyNo >= 0) {
              G4cout << ", copy no. " << fRequiredCopyNo << ",";
            }
            G4cout << " found more than once."
            "\n  This function is not smart enough to distinguish identical"
            "\n  physical volumes which have different parentage.  It is"
            "\n  tricky to specify in general.  This function gives you access"
            "\n  to the first occurrence only."
            << G4endl;
          }
        }
      }
    }
  }
}