Geant4 LXR

Cross-Referencing   Geant4
Geant4/particles/management/src/G4DecayTableMessenger.cc

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  //
  // G4DecayTableMessenger class implementation
  //
  // Author: H.Kurashige, 13 June 1997
  //---------------------------------------------------------------------
  
  #include "G4DecayTableMessenger.hh"
  
  #include "G4DecayTable.hh"
  #include "G4ParticleDefinition.hh"
  #include "G4ParticleTable.hh"
  #include "G4UIcmdWithADouble.hh"
  #include "G4UIcmdWithAnInteger.hh"
  #include "G4UIcmdWithoutParameter.hh"
  #include "G4UIdirectory.hh"
  #include "G4UImanager.hh"
  #include "G4VDecayChannel.hh"
  #include "G4ios.hh"  // Include from 'system'
  
  #include <iomanip>  // Include from 'system'
  
  G4DecayTableMessenger::G4DecayTableMessenger(G4ParticleTable* pTable) : theParticleTable(pTable)
  {
    if (theParticleTable == nullptr) {
      theParticleTable = G4ParticleTable::GetParticleTable();
    }
    currentParticle = nullptr;
  
    // Command /particle/property/decay/
    thisDirectory = new G4UIdirectory("/particle/property/decay/");
    thisDirectory->SetGuidance("Decay Table control commands.");
  
    // Command /particle/property/decay/select
    selectCmd = new G4UIcmdWithAnInteger("/particle/property/decay/select", this);
    selectCmd->SetGuidance("Enter index of decay mode.");
    selectCmd->SetParameterName("mode", true);
    selectCmd->SetDefaultValue(0);
    selectCmd->SetRange("mode >=0");
    currentChannel = nullptr;
  
    // Command /particle/property/decay/dump
    dumpCmd = new G4UIcmdWithoutParameter("/particle/property/decay/dump", this);
    dumpCmd->SetGuidance("Dump decay mode information.");
  
    // Command /particle/property/decay/br
    brCmd = new G4UIcmdWithADouble("/particle/property/decay/br", this);
    brCmd->SetGuidance("Set branching ratio. [0< BR <1.0]");
    brCmd->SetParameterName("br", false);
    brCmd->SetRange("(br >=0.0) && (br <=1.0)");
  }
  
  G4DecayTableMessenger::~G4DecayTableMessenger()
  {
    delete dumpCmd;
    delete selectCmd;
    delete brCmd;
    delete thisDirectory;
  }
  
  void G4DecayTableMessenger::SetNewValue(G4UIcommand* command, G4String newValue)
  {
    if (SetCurrentParticle() == nullptr) {
      G4cout << "Particle is not selected yet !! Command ignored." << G4endl;
      return;
    }
    if (currentDecayTable == nullptr) {
      G4cout << "The particle has no decay table !! Command ignored." << G4endl;
      return;
    }
  
    if (command == dumpCmd) {
      // Command /particle/property/decay/dump
      currentDecayTable->DumpInfo();
    }
    else if (command == selectCmd) {
     // Command /particle/property/decay/select
     G4int index = selectCmd->GetNewIntValue(newValue);
     currentChannel = currentDecayTable->GetDecayChannel(index);
     if (currentChannel == nullptr) {
       G4cout << "Invalid index. Command ignored." << G4endl;
     }
     else {
       idxCurrentChannel = index;
     }
   }
   else {
     if (currentChannel == nullptr) {
       G4cout << "Select a decay channel. Command ignored." << G4endl;
       return;
     }
     if (command == brCmd) {
       // Command /particle/property/decay/br
       G4double br = brCmd->GetNewDoubleValue(newValue);
       if ((br < 0.0) || (br > 1.0)) {
         G4cout << "Invalid brancing ratio. Command ignored." << G4endl;
       }
       else {
         currentChannel->SetBR(br);
       }
     }
   }
 }
 
 G4ParticleDefinition* G4DecayTableMessenger::SetCurrentParticle()
 {
   // set currentParticle pointer
   // get particle name by asking G4ParticleMessenger via UImanager
 
   G4String particleName = G4UImanager::GetUIpointer()->GetCurrentStringValue("/particle/select");
 
   if (currentParticle != nullptr) {
     // check whether selection is changed
     if (currentParticle->GetParticleName() != particleName) {
       currentParticle = theParticleTable->FindParticle(particleName);
       idxCurrentChannel = -1;
       currentDecayTable = nullptr;
     }
     else {
       // no change
       return currentParticle;
     }
   }
   else {
     currentParticle = theParticleTable->FindParticle(particleName);
     idxCurrentChannel = -1;
     currentDecayTable = nullptr;
   }
 
   if (currentParticle != nullptr) {
     currentDecayTable = currentParticle->GetDecayTable();
     if ((currentDecayTable != nullptr) && (idxCurrentChannel > 0)) {
       currentChannel = currentDecayTable->GetDecayChannel(idxCurrentChannel);
     }
     else {
       idxCurrentChannel = -1;
       currentChannel = nullptr;
     }
   }
 
   return currentParticle;
 }
 
 G4String G4DecayTableMessenger::GetCurrentValue(G4UIcommand* command)
 {
   G4String returnValue(1, '\0');
 
   if (SetCurrentParticle() == nullptr) {
     // no particle is selected. return null
     return returnValue;
   }
 
   if (command == selectCmd) {
     // Command /particle/property/decay/select
     returnValue = selectCmd->ConvertToString(idxCurrentChannel);
   }
   else if (command == brCmd) {
     if (currentChannel != nullptr) {
       returnValue = brCmd->ConvertToString(currentChannel->GetBR());
     }
   }
   return returnValue;
 }