* Add new Token in Target.{hh,cc}

   + Token NBLAYERS is used to slow down the beam in the target from the
     entrance to the beam interaction point

Inputs/DetectorConfiguration/gaspardTestSpheric.detector

@@ -13,6 +13,7 @@ Target
 	ANGLE= 0
 	RADIUS=	12
 	MATERIAL= CD2
+	NBLAYERS= 50
 	X= 0
 	Y= 0
 	Z= 0

NPSimulation/include/Target.hh

@@ -11,7 +11,7 @@
  * Original Author: Adrien MATTA  contact address: matta@ipno.in2p3.fr       *
  *                                                                           *
  * Creation Date  : January 2009                                             *
- * Last update    : 16/09/2009                                               *
+ * Last update    : 06/11/2009                                               *
  *---------------------------------------------------------------------------*
  * Decription:                                                               *
  *  This class describe Cryogenic and standard Target. Derived from VDetector*
@@ -22,6 +22,8 @@
  *                                                                           *
  *  + 16/09/2009: Add support for positioning the target with an angle with  *
  *                respect to the beam (N. de Sereville)                      *
+ *  + 06/11/2009: Add new Token NBLAYERS defining the number of steps used   *
+ *                to slow down the beam in the target (N. de Sereville)      *
  *                                                                           *
  *****************************************************************************/
 // C++ headers
@@ -86,6 +88,7 @@ public:
    G4double    GetTargetX()		{return m_TargetX;}
    G4double    GetTargetY()		{return m_TargetY;}
    G4double    GetTargetZ()		{return m_TargetZ;}
+   G4int       GetTargetNbLayers()	{return m_TargetNbLayers;}
 
 
 private:
@@ -97,6 +100,7 @@ private:
    G4double    m_TargetRadius;
    G4double    m_TargetAngle;
    G4Material* m_TargetMaterial;
+   G4int       m_TargetNbLayers;
 
    // For Cryo Target
    G4double    m_TargetTemperature;

NPSimulation/src/EventGeneratorTransfert.cc

@@ -396,7 +396,7 @@ void EventGeneratorTransfert::GenerateEvent(G4Event* anEvent , G4ParticleGun* pa
    G4double IncidentBeamEnergy = RandGauss::shoot(NominalBeamEnergy, m_BeamEnergySpread / 2.35);
    // Slowing down the beam to the interaction layer in the target
    // Number of Layers
-   const G4int NbLayers = 50;
+   G4int NbLayers = m_Target->GetTargetNbLayers();
    G4EmCalculator emCalculator;
    for (G4int i = 0; i < NbLayers; i++) {
 //      G4double dedx = emCalculator.GetDEDX(IncidentBeamEnergy, BeamName, m_Target->GetTargetMaterial());

NPSimulation/src/Target.cc

@@ -9,7 +9,7 @@
  * Original Author: Adrien MATTA  contact address: matta@ipno.in2p3.fr       *
  *                                                                           *
  * Creation Date  : January 2009                                             *
- * Last update    : 16/09/2009                                               *
+ * Last update    : 06/11/2009                                               *
  *---------------------------------------------------------------------------*
  * Decription:                                                               *
  *  This class describe Cryogenic and standard Target. Derived from VDetector*
@@ -21,6 +21,8 @@
  *  + 16/09/2009: Add support for positioning the target with an angle with  *
  *                respect to the beam (N. de Sereville)                      *
  *  + 16/09/2009: Add CH2 material for targets (N. de Sereville)             *
+ *  + 06/11/2009: Add new Token NBLAYERS defining the number of steps used   *
+ *                to slow down the beam in the target (N. de Sereville)      *
  *                                                                           *
  *****************************************************************************/
 // C++ header
@@ -57,6 +59,7 @@ Target::Target()
    m_WindowsThickness   = 0   ;
    m_TargetTemperature  = 0   ;
    m_TargetPressure  	= 0   ;
+   m_TargetNbLayers      = 50;	// Number of steps by default
 }
 
 G4Material* Target::GetMaterialFromLibrary(G4String MaterialName, G4double Temperature, G4double Pressure)
@@ -209,6 +212,7 @@ void Target::ReadConfiguration(string Path)
    bool check_X = false ;
    bool check_Y = false ;
    bool check_Z = false ;
+   bool check_NbLayers = false;
 
    bool check_Temperature = false ;
    bool check_Pressure = false ;
@@ -283,6 +287,13 @@ void Target::ReadConfiguration(string Path)
 	            cout  << m_TargetZ / mm << " )" << endl ;           
 	         }
 
+	        else if (DataBuffer.compare(0, 9, "NBLAYERS=") == 0) {
+	        	check_NbLayers = true ;
+	            ConfigFile >> DataBuffer;
+	            m_TargetNbLayers = atoi(DataBuffer.c_str());
+	            cout  << "Number of steps for slowing down the beam in target: " << m_TargetNbLayers << endl;
+	         }
+
 	        ///////////////////////////////////////////////////
 			//	If no Beam Token and no comment, toggle out
 	         else 
@@ -370,6 +381,13 @@ void Target::ReadConfiguration(string Path)
 	            cout << m_TargetZ / mm << " )" << endl ;
 	         }
 
+	        else if (DataBuffer.compare(0, 9, "NBLAYERS=") == 0) {
+	        	check_NbLayers = true ;
+	            ConfigFile >> DataBuffer;
+	            m_TargetNbLayers = atoi(DataBuffer.c_str());
+	            cout  << "Number of steps for slowing down the beam in target: " << m_TargetNbLayers << endl;
+	         }
+
 	        ///////////////////////////////////////////////////
 			//	If no Beam Token and no comment, toggle out
 	         else