Import Geant4 11.0.0 source tree

2021-12-10 14:46:44 +01:00
parent 6399a014b6
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+//
+// ********************************************************************
+// * License and Disclaimer                                           *
+// *                                                                  *
+// * The  Geant4 software  is  copyright of the Copyright Holders  of *
+// * the Geant4 Collaboration.  It is provided  under  the terms  and *
+// * conditions of the Geant4 Software License,  included in the file *
+// * LICENSE and available at  http://cern.ch/geant4/license .  These *
+// * include a list of copyright holders.                             *
+// *                                                                  *
+// * Neither the authors of this software system, nor their employing *
+// * institutes,nor the agencies providing financial support for this *
+// * work  make  any representation or  warranty, express or implied, *
+// * regarding  this  software system or assume any liability for its *
+// * use.  Please see the license in the file  LICENSE  and URL above *
+// * for the full disclaimer and the limitation of liability.         *
+// *                                                                  *
+// * This  code  implementation is the result of  the  scientific and *
+// * technical work of the GEANT4 collaboration.                      *
+// * By using,  copying,  modifying or  distributing the software (or *
+// * any work based  on the software)  you  agree  to acknowledge its *
+// * use  in  resulting  scientific  publications,  and indicate your *
+// * acceptance of all terms of the Geant4 Software license.          *
+// ********************************************************************
+//
+//
+/// \file DriftChamberSD.cc
+/// \brief Implementation of the B5::DriftChamber class
+
+#include "DriftChamberSD.hh"
+#include "DriftChamberHit.hh"
+
+#include "G4HCofThisEvent.hh"
+#include "G4TouchableHistory.hh"
+#include "G4Track.hh"
+#include "G4Step.hh"
+#include "G4SDManager.hh"
+#include "G4ios.hh"
+
+namespace B5
+{
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+DriftChamberSD::DriftChamberSD(G4String name)
+: G4VSensitiveDetector(name)
+{
+  collectionName.insert("driftChamberColl");
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+DriftChamberSD::~DriftChamberSD()
+{}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+void DriftChamberSD::Initialize(G4HCofThisEvent* hce)
+{
+  fHitsCollection
+    = new DriftChamberHitsCollection(SensitiveDetectorName,collectionName[0]);
+
+  if (fHCID<0) {
+     fHCID = G4SDManager::GetSDMpointer()->GetCollectionID(fHitsCollection);
+  }
+  hce->AddHitsCollection(fHCID,fHitsCollection);
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+G4bool DriftChamberSD::ProcessHits(G4Step* step, G4TouchableHistory*)
+{
+  auto charge = step->GetTrack()->GetDefinition()->GetPDGCharge();
+  if (charge==0.) return true;
+
+  auto preStepPoint = step->GetPreStepPoint();
+
+  auto touchable = step->GetPreStepPoint()->GetTouchable();
+  auto motherPhysical = touchable->GetVolume(1); // mother
+  auto copyNo = motherPhysical->GetCopyNo();
+
+  auto worldPos = preStepPoint->GetPosition();
+  auto localPos
+    = touchable->GetHistory()->GetTopTransform().TransformPoint(worldPos);
+
+  auto hit = new DriftChamberHit(copyNo);
+  hit->SetWorldPos(worldPos);
+  hit->SetLocalPos(localPos);
+  hit->SetTime(preStepPoint->GetGlobalTime());
+
+  fHitsCollection->insert(hit);
+
+  return true;
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+}