HistoManager.cc

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// $Id: HistoManager.cc 73005 2013-08-15 08:14:21Z gcosmo $
//
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#include "HistoManager.hh"
#include "HistoMessenger.hh"
#include "G4UnitsTable.hh"

#ifdef G4ANALYSIS_USE
#include "AIDA/AIDA.h"
#endif

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HistoManager::HistoManager()
#ifdef G4ANALYSIS_USE
:af(0),tree(0),factoryOn(false)
#endif
{
#ifdef G4ANALYSIS_USE
  // Creating the analysis factory
  af = AIDA_createAnalysisFactory();
  if(!af) {
    G4cout << " HistoManager::HistoManager() :" 
           << " problem creating the AIDA analysis factory."
           << G4endl;
  }  
#endif
 
  fileName[0] = "Pol01.aida";
  fileType    = "xml";
  fileOption  = "";  
  // histograms
  for (G4int k=0; k<MaxHisto; k++) {
    histo[k] = 0;
    exist[k] = false;
    Unit[k]  = 1.0;
    Width[k] = 1.0;
  }

  histoMessenger = new HistoMessenger(this);
}

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HistoManager::~HistoManager()
{
  delete histoMessenger;
  
#ifdef G4ANALYSIS_USE  
  delete af;
#endif   
}

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void HistoManager::book()
{
#ifdef G4ANALYSIS_USE
  if(!af) return;

  // Creating a tree mapped to an aida file.
  if (fileName[0].find(".")==G4String::npos) {
    fileName[1] = fileName[0] + "." + fileType;  
  }
  else {
    fileName[1] = fileName[0];    
  }
  
  G4bool readOnly  = false;
  G4bool createNew = true;
  AIDA::ITreeFactory* tf  = af->createTreeFactory();
  tree = tf->create(fileName[1], fileType, readOnly, createNew, fileOption);
  delete tf;
  if(!tree) {
    G4cout << "HistoManager::book() :" 
           << " problem creating the AIDA tree with "
           << " storeName = " << fileName[1]
           << " storeType = " << fileType
           << " readOnly = "  << readOnly
           << " createNew = " << createNew
           << " options = "   << fileOption
           << G4endl;
    return;
  }
  
  // Creating a histogram factory, whose histograms will be handled by the tree
  AIDA::IHistogramFactory*  hf = af->createHistogramFactory(*tree);

  // create selected histograms
  for (G4int k=0; k<MaxHisto; k++) {
    if (exist[k]) {
      histo[k] = hf->createHistogram1D( Label[k], Title[k],
                                                  Nbins[k], Vmin[k], Vmax[k]);
      factoryOn = true;
    }
  }
  delete hf;  
  if(factoryOn) 
      G4cout << "\n----> Histogram Tree is opened " << fileName[1] << G4endl;
#endif
}

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void HistoManager::save()
{
#ifdef G4ANALYSIS_USE
  if (factoryOn) {
    tree->commit();       // Writing the histograms to the file
    tree->close();        // and closing the tree (and the file)
    G4cout << "\n----> Histogram Tree is saved in " << fileName[1] << G4endl;

    delete tree;
    tree = 0;
    factoryOn = false;
  }
#endif
}

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void HistoManager::FillHistos(const G4String & particleName,
                              G4double kinEnergy, G4double costheta, 
                              G4double phi,
                              G4double longitudinalPolarization)
{
  G4int id=1;
  if (particleName=="gamma") id=1;
  else if (particleName=="e-") id=5;
  else if (particleName=="e+") id=9;
  else return;

  if (costheta>=1.) costheta=.99999999;
  if (costheta<-1.) costheta=-1.;
  FillHisto(id,kinEnergy);
  FillHisto(id+1,costheta);
  FillHisto(id+2,phi);
  FillHisto(id+3,longitudinalPolarization);
}

void HistoManager::FillHisto(G4int ih, G4double e, G4double weight)
{
  if (ih > MaxHisto) {
    G4cout << "---> warning from HistoManager::FillHisto() : histo " << ih
           << "does not exist; e= " << e << " w= " << weight << G4endl;
    return;
  }
#ifdef G4ANALYSIS_USE
  if(exist[ih]) histo[ih]->fill(e/Unit[ih], weight);
#endif
}

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void HistoManager::SetHisto(G4int ih, G4int nbins, G4double valmin, 
                            G4double valmax, const G4String& unit)
{
  if (ih > MaxHisto) {
    G4cout << "---> warning from HistoManager::SetHisto() : histo " << ih
           << "does not exist" << G4endl;
    return;
  }
  
  const G4String id[] = { "0", "1", "2", "3", "4", "5", 
                          "6", "7", "8", "9", "10", "11", "12"};
  const G4String title[] = 
                { "dummy",                                          //0
                  "Gamma Energy distribution",                      //1
                  "Gamma Cos(Theta) distribution",                  //2
                  "Gamma Phi angular distribution",                 //3
                  "Gamma longitudinal Polarization",                //4
                  "Electron Energy distribution",                   //5
                  "Electron Cos(Theta) distribution",               //6
                  "Electron Phi angular distribution",              //7
                  "Electron longitudinal Polarization",             //8
                  "Positron Energy distribution",                   //9
                  "Positron Cos(Theta) distribution",               //10
                  "Positron Phi angular distribution",              //11
                  "Positron longitudinal Polarization"              //12
                 };


  G4String titl = title[ih];
  G4double vmin = valmin, vmax = valmax;
  Unit[ih] = 1.;

  if (unit != "none") {
    titl = title[ih] + " (" + unit + ")";
    Unit[ih] = G4UnitDefinition::GetValueOf(unit);
    vmin = valmin/Unit[ih]; vmax = valmax/Unit[ih];
  }

  exist[ih] = true;
  Label[ih] = id[ih];
  Title[ih] = titl;
  Nbins[ih] = nbins;
  Vmin[ih]  = vmin;
  Vmax[ih]  = vmax;
  Width[ih] = (valmax-valmin)/nbins;

  G4cout << "----> SetHisto " << ih << ": " << titl << ";  "
         << nbins << " bins from "
         << vmin << " " << unit << " to " << vmax << " " << unit << G4endl;

}

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void HistoManager::RemoveHisto(G4int ih)
{
 if (ih > MaxHisto) {
    G4cout << "---> warning from HistoManager::RemoveHisto() : histo " << ih
           << "does not exist" << G4endl;
    return;
  }

  histo[ih] = 0;  exist[ih] = false;
}

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