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[u/mrichter/AliRoot.git] / STEER / AliRecoParam.cxx

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 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
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 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
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 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/


///////////////////////////////////////////////////////////////////////////////
//                                                                           //
// ALICE Reconstruction parameterization:                                    //
//                                                                           //
//                                                                           //
// Base Class for Detector reconstruction parameters                         //
// Revision: cvetan.cheshkov@cern.ch 12/06/2008                              //
// Its structure has been revised and it is interfaced to AliEventInfo.      //
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

#include "TObjArray.h"
#include "TMath.h"
#include "AliDetectorRecoParam.h"

#include "AliLog.h"
#include "AliRecoParam.h"
#include "AliRunInfo.h"
#include "AliEventInfo.h"

ClassImp(AliRecoParam)

TString AliRecoParam::fkgEventSpecieName[] = {"Default", "LowMultiplicity", "HighMultiplicity", "Cosmic", "Calibration", "Unknown"} ; 

AliRecoParam::AliRecoParam(): 
  TObject(),
  fEventSpecie(kDefault)
{
  // Default constructor
  // ...
  for(Int_t iDet = 0; iDet < kNDetectors; iDet++)
    fDetRecoParams[iDet] = NULL;
  for(Int_t iSpecie = 0; iSpecie < kNSpecies; iSpecie++) {
    for(Int_t iDet = 0; iDet < kNDetectors; iDet++) {
      fDetRecoParamsIndex[iSpecie][iDet] = -1;
    }
  }
}

AliRecoParam::AliRecoParam(const AliRecoParam& par) :
  TObject(),
  fEventSpecie(par.fEventSpecie)
{
  // copy constructor
  for(Int_t iDet = 0; iDet < kNDetectors; iDet++) {
    if (par.fDetRecoParams[iDet])
      fDetRecoParams[iDet] = (TObjArray*)(par.fDetRecoParams[iDet]->Clone());
    else
      fDetRecoParams[iDet] = NULL;
  }
  for(Int_t iSpecie = 0; iSpecie < kNSpecies; iSpecie++) {
    for(Int_t iDet = 0; iDet < kNDetectors; iDet++) {
      fDetRecoParamsIndex[iSpecie][iDet] = par.fDetRecoParamsIndex[iSpecie][iDet];
    }
  }
}

//_____________________________________________________________________________
AliRecoParam& AliRecoParam::operator = (const AliRecoParam& par)
{
  // assignment operator

  if(&par == this) return *this;

  this->~AliRecoParam();
  new(this) AliRecoParam(par);
  return *this;
}

AliRecoParam::~AliRecoParam(){
  // Destructor
  // ...
  // Delete the array with the reco-param objects
  for(Int_t iDet = 0; iDet < kNDetectors; iDet++) {
    if (fDetRecoParams[iDet]){
      fDetRecoParams[iDet]->Delete();
      delete fDetRecoParams[iDet];
    }
  }
}

Int_t AliRecoParam::AConvert(EventSpecie_t es)
{
  //Converts EventSpecie_t  into int
  return static_cast<Int_t>(TMath::Log2(es)) ; 
  
}

AliRecoParam::EventSpecie_t AliRecoParam::Convert(Int_t ies)
{
  //Converts int into EventSpecie_t
  AliRecoParam::EventSpecie_t es = AliRecoParam::kDefault ; 
  
  Int_t i = (Int_t)TMath::Power(2, ies) ; 
  
  if ( i == AliRecoParam::kLowMult) 
    es = kLowMult ; 
  else if ( i == AliRecoParam::kHighMult) 
    es = kHighMult ;   
  else if ( i == AliRecoParam::kCosmic) 
    es = kCosmic ;   
  else if ( i == AliRecoParam::kCalib) 
    es = kCalib ;   
  
  return es ;   
}

void  AliRecoParam::Print(Option_t *option) const {
  //
  // Print reconstruction setup
  //
  for(Int_t iDet = 0; iDet < kNDetectors; iDet++) {
    if (fDetRecoParams[iDet]){
      printf("AliDetectorRecoParam objects for detector %d:\n",iDet); 
      Int_t nparam = fDetRecoParams[iDet]->GetEntriesFast();
      for (Int_t iparam=0; iparam<nparam; iparam++){
	AliDetectorRecoParam * param = (AliDetectorRecoParam *)fDetRecoParams[iDet]->At(iparam);
	if (!param) continue;
	param->Print(option);
      }
    }
    else {
      printf("No AliDetectorRecoParam objects specified for detector %d\n",iDet); 
    }
  }
}

void AliRecoParam::SetEventSpecie(const AliRunInfo *runInfo, const AliEventInfo &evInfo)
{
  // To be implemented
  // Here we return always kDefault!!

  fEventSpecie = kDefault;

  if (strcmp(runInfo->GetRunType(),"PHYSICS")) {
    // Not a physics run, the event specie is set to kCalib
    fEventSpecie = kCalib;
    return;
  }

  if (strcmp(runInfo->GetLHCState(),"STABLE_BEAMS") == 0) {
    // In case of stable beams
//    if ((strcmp(runInfo->GetBeamType(),"A-A") == 0) ||
//	(strcmp(runInfo->GetBeamType(),"A-") == 0) ||
//	(strcmp(runInfo->GetBeamType(),"-A") == 0)) {
      // Heavy ion run (any beam tha is not pp, the event specie is set to kHighMult
      fEventSpecie = kHighMult;
//    }
//    else 
    if ((strcmp(runInfo->GetBeamType(),"p-p") == 0) ||
	     (strcmp(runInfo->GetBeamType(),"p-") == 0) ||
	     (strcmp(runInfo->GetBeamType(),"-p") == 0) ||
	     (strcmp(runInfo->GetBeamType(),"P-P") == 0) ||
	     (strcmp(runInfo->GetBeamType(),"P-") == 0) ||
	     (strcmp(runInfo->GetBeamType(),"-P") == 0)) {
      // Proton run, the event specie is set to kLowMult
      fEventSpecie = kLowMult;
    }
    else if (strcmp(runInfo->GetBeamType(),"-") == 0) {
      // No beams, we assume cosmic data
      fEventSpecie = kCosmic;
    }
    else if (strcmp(runInfo->GetBeamType(),"UNKNOWN") == 0) {
      // No LHC beam information is available, we the default
      // event specie
      fEventSpecie = kDefault;
    }

    // Now we look into the trigger type in order to decide
    // on the remaining cases (cosmic event within LHC run,
    // high-mult event based on high-mult SPD trigger
    // within p-p run, laser triggers within physics run,
    // special DAQ events considered as calibration etc...)
    if (evInfo.GetEventType() != 7) {
      // START_OF_*, END_OF_*, CALIBRATION etc events
      fEventSpecie = kCalib;
    }

    TString triggerClasses = evInfo.GetTriggerClasses();
    TObjArray* trClassArray = triggerClasses.Tokenize(" ");
    Int_t nTrClasses = trClassArray->GetEntriesFast();
    Bool_t cosmicTrigger = kFALSE,
      laserTrigger = kFALSE,
      highMultTrigger = kFALSE,
      otherTrigger = kFALSE;
    for( Int_t i=0; i<nTrClasses; ++i ) {
      TString trClass = ((TObjString*)trClassArray->At(i))->String();
      if (trClass.BeginsWith("C0A") ||
	  trClass.BeginsWith("C0SC") ||
	  trClass.BeginsWith("C0OC")) {
      // ACORDE/SPD/TOF cosmic trigger, so we have cosmic event
      // not always true, but we don't have a better idea...
	cosmicTrigger = kTRUE;
      }
      else if (trClass.BeginsWith("C0LSR")) {
	// Laser trigger
	laserTrigger = kTRUE;
      }
      else if (trClass.BeginsWith("C0SH")) {
	// High-multiplicity SPD trugger
	// Have to add other high-mult triggers here...
	highMultTrigger = kTRUE;
      }
      else {
	otherTrigger = kTRUE;
      }
    }

    if (laserTrigger) {
      fEventSpecie = kCalib;
      return;
    }
    if (cosmicTrigger && !highMultTrigger && !otherTrigger) {
      fEventSpecie = kCosmic;
      return;
    }
    if (highMultTrigger) {
      fEventSpecie = kHighMult;
      return;
    }

    // Here we have to add if we have other cases
    // and also HLT info if any...
  }
}

const AliDetectorRecoParam *AliRecoParam::GetDetRecoParam(Int_t iDet) const
{
  // Return AliDetectorRecoParam object for a given detector
  // according to the event specie provided as an argument
  if ( iDet >= kNDetectors) return NULL;
  if (!fDetRecoParams[iDet]) return NULL;
  if (fDetRecoParams[iDet]->GetEntries() == 0) return NULL;

  for(Int_t iBit = 0; iBit < kNSpecies; iBit++) {
    if (fEventSpecie & (1 << iBit)) {
      if (fDetRecoParamsIndex[iBit][iDet] >= 0)
	return (AliDetectorRecoParam *)fDetRecoParams[iDet]->At(fDetRecoParamsIndex[iBit][iDet]);
      else
	return (AliDetectorRecoParam *)fDetRecoParams[iDet]->At(fDetRecoParamsIndex[0][iDet]);
    }
  }

  // Default one
  AliError(Form("Invalid event specie: %d!",fEventSpecie));
  return (AliDetectorRecoParam *)fDetRecoParams[iDet]->At(fDetRecoParamsIndex[0][iDet]);
}

void  AliRecoParam::AddDetRecoParam(Int_t iDet, AliDetectorRecoParam* param)
{
  // Add an instance of reco params object into
  // the fDetRecoParams for detector iDet
  // Updates the fDetRecoParams index
  if (!fDetRecoParams[iDet]) fDetRecoParams[iDet] = new TObjArray;
  fDetRecoParams[iDet]->AddLast(param);
  Int_t index = fDetRecoParams[iDet]->GetLast();

  // Index
  Int_t specie = param->GetEventSpecie();
  for(Int_t iBit = 0; iBit < kNSpecies; iBit++) {
    if (specie & (1 << iBit)) {
      fDetRecoParamsIndex[iBit][iDet] = index;
    }
  }
}

Bool_t AliRecoParam::AddDetRecoParamArray(Int_t iDet, TObjArray* parArray)
{
  // Add an array of reconstruction parameter objects
  // for a given detector
  // Basic check on the consistency of the array
  Bool_t defaultFound = kFALSE;
  for(Int_t i = 0; i < parArray->GetEntriesFast(); i++) {
    AliDetectorRecoParam *par = (AliDetectorRecoParam*)parArray->At(i);
    if (!par) continue;
    if (par->IsDefault()) defaultFound = kTRUE;

    Int_t specie = par->GetEventSpecie();
    for(Int_t iBit = 0; iBit < kNSpecies; iBit++) {
      if (specie & (1 << iBit)) {
	fDetRecoParamsIndex[iBit][iDet] = i;
      }
    }
 }
   
  fDetRecoParams[iDet] = parArray;

  return defaultFound;
}

const char*  AliRecoParam::PrintEventSpecie() const
{
  // Print the current
  // event specie
  switch (fEventSpecie) {
  case kDefault:
    return fkgEventSpecieName[0].Data() ;
    break;
  case kLowMult:
    return fkgEventSpecieName[1].Data() ;
    break;
  case kHighMult:
    return fkgEventSpecieName[2].Data() ;
    break;
  case kCosmic:
    return fkgEventSpecieName[3].Data() ;
    break;
  case kCalib:
    return fkgEventSpecieName[4].Data() ;
    break;
  default:
    return fkgEventSpecieName[5].Data() ;
    break;
  }
}

const char * AliRecoParam::GetEventSpecieName(EventSpecie_t es)
{
  switch (es) {
    case kDefault:
      return fkgEventSpecieName[0].Data() ;
      break;
    case kLowMult:
      return fkgEventSpecieName[1].Data() ;
      break;
    case kHighMult:
      return fkgEventSpecieName[2].Data() ;
      break;
    case kCosmic:
      return fkgEventSpecieName[3].Data() ;
      break;
    case kCalib:
      return fkgEventSpecieName[4].Data() ;
      break;
    default:
      return fkgEventSpecieName[5].Data() ;
      break;
  }
}

const char * AliRecoParam::GetEventSpecieName(Int_t esIndex)
{
  if ( esIndex >= 0 && esIndex < kNSpecies) 
    return fkgEventSpecieName[esIndex].Data() ;
  else 
    return fkgEventSpecieName[kNSpecies].Data() ;
}