New version of SPD raw-data reconstruction. The format now correponds to the actual...

[u/mrichter/AliRoot.git] / MUON / AliMUONGMSSubprocessor.cxx

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 * Author: The ALICE Off-line Project.                                    *
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// $Id$
//
// Class AliMUONGMSSubprocessor
// -----------------------------
// The shuttle subprocessor for GMS data
// Author: Ivana Hrivnacova, IPN Orsay
// 16/09/2006

#include "AliMUONGMSSubprocessor.h"
#include "AliMUONPreprocessor.h"

#include "AliCDBMetaData.h"
#include "AliLog.h"

#include <TTimeStamp.h>
#include <TFile.h>
#include <TClonesArray.h>
#include <Riostream.h>

ClassImp(AliMUONGMSSubprocessor)

const Int_t    AliMUONGMSSubprocessor::fgkSystem = AliPreprocessor::kDAQ;
const TString  AliMUONGMSSubprocessor::fgkDataId = "GMS";
const TString  AliMUONGMSSubprocessor::fgkMatrixArrayName = "GMSarray";

//______________________________________________________________________________________________
AliMUONGMSSubprocessor::AliMUONGMSSubprocessor(AliMUONPreprocessor* master) 
  : AliMUONVSubprocessor(master, "GMS", "Upload GMS matrices to OCDB"),
    fTransformer(true)
{
/// Constructor
  fTransformer.ReadGeometryData("volpath.dat", "transform.dat");
}

//______________________________________________________________________________________________
AliMUONGMSSubprocessor::~AliMUONGMSSubprocessor()
{
/// Destructor
}

//______________________________________________________________________________________________
UInt_t AliMUONGMSSubprocessor::Process(TMap* /*dcsAliasMap*/)
{
/// Convert TGeoHMatrix to AliAlignObjMatrix and fill them into AliTestDataDCS object

  const char* fileName 
    = Master()->GetFile(fgkSystem, fgkDataId, fgkDataId);
  if ( ! fileName) {
    AliErrorStream() << "File not found" << endl;
    return 1;
  }  

  // Open root file
  TFile f(fileName);
  
  // Get array with matrices
  TClonesArray* array = (TClonesArray*)f.Get(fgkMatrixArrayName);
  if ( ! array ) {
    AliErrorStream() << "TClonesArray with not found in file " 
       << fileName << endl;
    return 1;
  }  
  
  // Convert matrices into Alice alignment objects
  for (Int_t i=0; i<array->GetEntriesFast(); i++ ) {
    TGeoHMatrix* matrix = (TGeoHMatrix*)array->At(i);
    fTransformer.AddMisAlignModule(matrix->GetUniqueID(), *matrix);
  }  
  TObject* data = const_cast< TClonesArray*>(fTransformer.GetMisAlignmentData());
  
  //Now we have to store the final CDB file
  AliCDBMetaData metaData;
  metaData.SetBeamPeriod(0);
  metaData.SetResponsible("");
  metaData.SetComment("This preprocessor fills GMS alignment objects.");

  UInt_t result = Master()->Store("SHUTTLE", "GMS", data, &metaData, 0, 0);

  // Clear MisAlignArray in transformer
  fTransformer.ClearMisAlignmentData();

  return result;
}