Import Geant4 0.0.0 source tree

2016-06-01 15:25:35 +02:00
parent 54d6b71f95
commit b97f8d0df7
3237 changed files with 807095 additions and 0 deletions
@@ -0,0 +1,133 @@
+// This code implementation is the intellectual property of
+// the RD44 GEANT4 collaboration.
+//
+// By copying, distributing or modifying the Program (or any work
+// based on the Program) you indicate your acceptance of this statement,
+// and all its terms.
+//
+// $Id: ExN05PiModel.cc,v 2.3 1998/09/07 15:12:32 mora Exp $
+// GEANT4 tag $Name: geant4-00 $
+//
+#include "ExN05PiModel.hh"
+
+#include "G4PionMinus.hh"
+#include "G4PionPlus.hh"
+#include "G4Gamma.hh"
+
+ExN05PiModel::ExN05PiModel(G4Envelope *anEnvelope) :
+  G4VFastSimulationModel("ExN05PiModel",anEnvelope)
+{;}
+
+ExN05PiModel::~ExN05PiModel()
+{;}
+
+G4bool ExN05PiModel::IsApplicable(const G4ParticleDefinition& particleType)
+{
+  return
+    &particleType == G4PionMinus::PionMinusDefinition() ||
+    &particleType == G4PionPlus::PionPlusDefinition();
+}
+
+G4bool ExN05PiModel::ModelTrigger(const G4FastTrack& fastTrack) {
+  //-------------------------------------------------------------
+  // UserTrigger() method: method which has to decide if
+  // the parameterisation has to be applied.
+  // Here ModelTrigger() asks the user (ie you) a 0/1 answer.
+  //
+  // Note that quantities like the local/global position/direction etc..
+  // are available at this level via the fastTrack parameter (allowing 
+  // to check distance from boundaries, see below  to allow the decision)
+  //--------------------------------------------------------------
+  G4cout << "\nExN05PiModel::ModelTrigger() called:" << endl;
+  G4cout <<   "--------------------------------" << endl;
+  G4cout << "(particle is a " << fastTrack.GetPrimaryTrack()->
+    GetDefinition()->GetParticleName() << " )\n" << endl;
+
+  // -- Examples of available informations:
+
+  // -- position:
+  G4cout << "         Track position: " <<
+    fastTrack.GetPrimaryTrack()->GetPosition()  << "(global coord.)"   <<
+    fastTrack.GetPrimaryTrackLocalPosition()  << "(in envelope coord.)" 
+       << endl;
+
+  // -- direction:
+  G4cout << "         Track direction:"       <<
+    fastTrack.GetPrimaryTrack()->GetMomentum().unit() << 
+    "(global coord.)"      <<
+    fastTrack.GetPrimaryTrackLocalDirection() << "(in envelope coord.)" << 
+    endl;
+
+  return true;
+}
+
+void ExN05PiModel::DoIt(const G4FastTrack& fastTrack, 
+		     G4FastStep& fastStep)
+  //--------------------------------------------------
+  //
+  // User method to code the parameterisation properly
+  // said.
+  //
+  //--------------------------------------------------
+{
+
+  //------------------------------------------------
+  // The primary track continues along its direction.
+  // One secondary (a photon) is added:
+  //------------------------------------------------
+  G4cout << "      Pion `model' applied\n" << endl;
+
+  //------------------------------
+  // Primary:
+  //    idem as in "DefaultModel":
+  //
+  //------------------------------
+  G4ThreeVector position;
+  G4double distance;
+  distance = fastTrack.GetEnvelopeSolid()->
+    DistanceToOut(fastTrack.GetPrimaryTrackLocalPosition(),
+		  fastTrack.GetPrimaryTrackLocalDirection());
+  position = fastTrack.GetPrimaryTrackLocalPosition() + 
+    distance*fastTrack.GetPrimaryTrackLocalDirection();
+
+  // -- set final position:
+  fastStep.SetPrimaryTrackFinalPosition(position);
+
+  //---------------------------
+  // Secondary:
+  //   Adds one "secondary":
+  //
+  //---------------------------
+  // -- First, user has to say how many secondaries will be created:
+  fastStep.SetNumberOfSecondaryTracks(1);
+
+  //------------------------
+  // -- Build the secondary:
+  //------------------------
+  // -- direction:
+  G4ParticleMomentum direction(fastTrack.GetPrimaryTrackLocalDirection());
+  direction.setZ(direction.z()*0.5);
+  direction.setY(direction.y()+direction.z()*0.1);
+  direction = direction.unit(); // necessary ?
+
+  // -- dynamics (Note that many constructors exists for G4DynamicParticle
+  // -- see prototype/particle+matter/particles/management/include/G4DynamicParticle.hh)
+  G4DynamicParticle dynamique(G4Gamma::GammaDefinition(),
+			      direction,
+			      fastTrack.GetPrimaryTrack()->
+			      GetKineticEnergy()/2.);
+  // -- position:
+  G4double Dist;
+  Dist = fastTrack.GetEnvelopeSolid()->
+    DistanceToOut(fastTrack.GetPrimaryTrackLocalPosition(),
+		  direction);
+  G4ThreeVector posi;
+  posi = fastTrack.GetPrimaryTrackLocalPosition() + Dist*direction;
+  
+  //------------------------------------
+  //-- Creation of the secondary Track:
+  //------------------------------------
+  fastStep.CreateSecondaryTrack(dynamique, posi, 
+		       fastTrack.GetPrimaryTrack()->GetGlobalTime());
+
+}