Import Geant4 0.0.0 source tree

2016-06-01 15:25:35 +02:00
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+// 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: G4PrimaryTransformer.cc,v 2.2 1998/10/10 10:51:25 asaim Exp $
+// GEANT4 tag $Name: geant4-00 $
+//
+
+#include "G4PrimaryTransformer.hh"
+#include "G4Event.hh"
+#include "G4PrimaryVertex.hh"
+#include "G4ParticleDefinition.hh"
+#include "G4DynamicParticle.hh"
+#include "G4Track.hh"
+#include "G4ThreeVector.hh"
+#include "G4DecayProducts.hh"
+#include "G4ios.hh"
+
+G4PrimaryTransformer::G4PrimaryTransformer()
+:verboseLevel(0)
+{
+  particleTable = G4ParticleTable::GetParticleTable();
+}
+
+G4PrimaryTransformer::~G4PrimaryTransformer()
+{;}
+    
+G4TrackVector* G4PrimaryTransformer::GimmePrimaries(G4Event* anEvent)
+{
+  TV.clearAndDestroy();
+  G4int n_vertex = anEvent->GetNumberOfPrimaryVertex();
+  if(n_vertex==0) return NULL; 
+  for( int i=0; i<n_vertex; i++ )
+  { GenerateTracks( anEvent->GetPrimaryVertex(i) ); }
+  return &TV;
+}
+
+void G4PrimaryTransformer::GenerateTracks(G4PrimaryVertex* primaryVertex)
+{
+  G4double X0 = primaryVertex->GetX0();
+  G4double Y0 = primaryVertex->GetY0();
+  G4double Z0 = primaryVertex->GetZ0();
+  G4double T0 = primaryVertex->GetT0();
+
+#ifdef G4VERBOSE
+  if(verboseLevel>1)
+  { 
+    G4cout << "G4PrimaryTransformer::PrimaryVertex ("
+           << X0 / mm << "(mm),"
+           << Y0 / mm << "(mm),"
+           << Z0 / mm << "(mm),"
+           << T0 / nanosecond << "(nsec))" << endl;
+  }
+#endif
+
+  G4PrimaryParticle* primaryParticle = primaryVertex->GetPrimary();
+  while( primaryParticle != NULL )
+  {
+    GenerateSingleTrack( primaryParticle, X0, Y0, Z0, T0 );
+    primaryParticle = primaryParticle->GetNext();
+  }
+}
+
+void G4PrimaryTransformer::GenerateSingleTrack
+     (G4PrimaryParticle* primaryParticle,
+      G4double x0,G4double y0,G4double z0,G4double t0)
+{
+  G4ParticleDefinition* partDef = GetDefinition(primaryParticle);
+  if((!partDef)||partDef->IsShortLived())
+  // The particle is not defined in GEANT4, check daughters
+  {
+#ifdef G4VERBOSE
+    if(verboseLevel>2)
+    {
+      G4cout << "Primary particle (PDGcode " << primaryParticle->GetPDGcode()
+             << ") --- Ignored" << endl;
+    }
+#endif 
+    G4PrimaryParticle* daughter = primaryParticle->GetDaughter();
+    while(daughter)
+    {
+      GenerateSingleTrack(daughter,x0,y0,z0,t0);
+      daughter = daughter->GetNext();
+    }
+  }
+
+  // The particle is defined in GEANT4
+  else
+  {
+    // Create G4DynamicParticle object
+#ifdef G4VERBOSE
+    if(verboseLevel>1)
+    {
+      G4cout << "Primary particle (" << partDef->GetParticleName()
+             << ") --- Transfered with momentum " << primaryParticle->GetMomentum()
+             << endl;
+    }
+#endif
+    G4DynamicParticle* DP = 
+      new G4DynamicParticle(partDef,primaryParticle->GetMomentum());
+    DP->SetPolarization(primaryParticle->GetPolX(),
+                        primaryParticle->GetPolY(),
+                        primaryParticle->GetPolZ());
+    // Set decay products to the DynamicParticle
+    SetDecayProducts( primaryParticle, DP );
+    // Create G4Track object
+    G4Track* track = new G4Track(DP,t0,G4ThreeVector(x0,y0,z0));
+    // Set parentID to 0 as a primary particle
+    track->SetParentID(0);
+    // Store it to G4TrackVector
+    TV.insert( track );
+  }
+}
+
+void G4PrimaryTransformer::SetDecayProducts
+      (G4PrimaryParticle* mother, G4DynamicParticle* motherDP)
+{
+  G4PrimaryParticle* daughter = mother->GetDaughter();
+  if(!daughter) return;
+  G4DecayProducts* decayProducts = motherDP->GetPreAssignedDecayProducts();
+  if(!decayProducts)
+  {
+    decayProducts = new G4DecayProducts(*motherDP);
+    motherDP->SetPreAssignedDecayProducts(decayProducts);
+  }
+  while(daughter)
+  {
+    G4ParticleDefinition* partDef = GetDefinition(daughter);
+    if(!partDef) 
+    { 
+#ifdef G4VERBOSE
+      if(verboseLevel>2)
+      {
+        G4cout << " >> Decay product (PDGcode " << daughter->GetPDGcode()
+               << ") --- Ignored" << endl;
+      }
+#endif 
+      SetDecayProducts(daughter,motherDP);
+    }
+    else
+    {
+#ifdef G4VERBOSE
+      if(verboseLevel>1)
+      {
+        G4cout << " >> Decay product (" << partDef->GetParticleName()
+               << ") --- Attached with momentum " << daughter->GetMomentum()
+               << endl;
+      }
+#endif
+      G4DynamicParticle*DP 
+        = new G4DynamicParticle(partDef,daughter->GetMomentum());
+      decayProducts->PushProducts(DP);
+      SetDecayProducts(daughter,DP);
+    }
+    daughter = daughter->GetNext();
+  }
+}
+
+
+
+