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// $Id: ExN06PrimaryGeneratorMessenger.cc,v 1.3 2006/06/29 17:54:29 gunter Exp $
// GEANT4 tag $Name: geant4-09-04-beta-01 $
//
// 

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#include "ExN06PrimaryGeneratorMessenger.hh"

#include "ExN06PrimaryGeneratorAction.hh"
#include "G4UIdirectory.hh"
#include "G4UIcmdWithADoubleAndUnit.hh"

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ExN06PrimaryGeneratorMessenger::ExN06PrimaryGeneratorMessenger(
                                          ExN06PrimaryGeneratorAction* ExN06Gun)
:ExN06Action(ExN06Gun)
{
  gunDir = new G4UIdirectory("/N06/gun/");
  gunDir->SetGuidance("PrimaryGenerator control");
   
  polarCmd = new G4UIcmdWithADoubleAndUnit("/N06/gun/optPhotonPolar",this);
  polarCmd->SetGuidance("Set linear polarization");
  polarCmd->SetGuidance("  angle w.r.t. (k,n) plane");
  polarCmd->SetParameterName("angle",true);
  polarCmd->SetUnitCategory("Angle");  
  polarCmd->SetDefaultValue(-360.0);
  polarCmd->SetDefaultUnit("deg");
  polarCmd->AvailableForStates(G4State_Idle);
}

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ExN06PrimaryGeneratorMessenger::~ExN06PrimaryGeneratorMessenger()
{
  delete polarCmd;
  delete gunDir;
}

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void ExN06PrimaryGeneratorMessenger::SetNewValue(
                                        G4UIcommand* command, G4String newValue)
{ 
  if( command == polarCmd ) {
      G4double angle = polarCmd->GetNewDoubleValue(newValue);
      if ( angle == -360.0*deg ) {
         ExN06Action->SetOptPhotonPolar();
      } else {
         ExN06Action->SetOptPhotonPolar(angle);
      }
  }
}

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