New class AliPHOSCpvPreprocessor.

diff --git a/PHOS/AliPHOSCpvPreprocessor.cxx b/PHOS/AliPHOSCpvPreprocessor.cxx
new file mode 100644 (file)
index 0000000..127f751
--- /dev/null
+++ b/PHOS/AliPHOSCpvPreprocessor.cxx
@@ -0,0 +1,168 @@
+/**************************************************************************
+ * Copyright(c) 1998-2008, ALICE Experiment at CERN, All rights reserved. *
+ *                                                                        *
+ * Author: The ALICE Off-line Project.                                    *
+ * Contributors are mentioned in the code where appropriate.              *
+ *                                                                        *
+ * Permission to use, copy, modify and distribute this software and its   *
+ * 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.                  *
+ **************************************************************************/
+
+
+///////////////////////////////////////////////////////////////////////////////
+// CPV Preprocessor class. It runs by Shuttle at the end of the run,
+// calculates calibration coefficients and dead/bad channels
+// to be posted in OCDB.
+//
+// Author: Boris Polichtchouk, 25 January 2008
+///////////////////////////////////////////////////////////////////////////////
+
+#include "AliPHOSCpvPreprocessor.h"
+#include "AliLog.h"
+#include "AliCDBMetaData.h"
+#include "AliPHOSCpvCalibData.h"
+#include "TFile.h"
+#include "TH1.h"
+#include "TMap.h"
+#include "TRandom.h"
+#include "TKey.h"
+#include "TList.h"
+#include "TObjString.h"
+
+ClassImp(AliPHOSCpvPreprocessor)
+
+//_______________________________________________________________________________________
+AliPHOSCpvPreprocessor::AliPHOSCpvPreprocessor() :
+AliPreprocessor("CPV",0)
+{
+  //default constructor
+}
+
+//_______________________________________________________________________________________
+AliPHOSCpvPreprocessor::AliPHOSCpvPreprocessor(AliShuttleInterface* shuttle):
+AliPreprocessor("CPV",shuttle)
+{
+  // Constructor
+}
+
+//_______________________________________________________________________________________
+UInt_t AliPHOSCpvPreprocessor::Process(TMap* /*valueSet*/)
+{
+  // process data retrieved by the Shuttle
+
+  // The fileName with the histograms which have been produced by
+  // AliPHOSCpvDAs.
+  // It is a responsibility of the SHUTTLE framework to form the fileName.
+  
+  TString runType = GetRunType();
+  Log(Form("Run type: %s",runType.Data()));
+
+  gRandom->SetSeed(0); //the seed is set to the current  machine clock!
+  AliPHOSCpvCalibData calibData;
+
+  TList* list = GetFileSources(kDAQ, "AMPLITUDES");
+  if(!list) {
+    Log("Sources list not found, exit.");
+    return 1;
+  }
+
+  TIter iter(list);
+  TObjString *source;
+  
+  while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
+    AliInfo(Form("found source %s", source->String().Data()));
+
+    TString fileName = GetFile(kDAQ, "AMPLITUDES", source->GetName());
+    AliInfo(Form("Got filename: %s",fileName.Data()));
+
+    TFile f(fileName);
+
+    if(!f.IsOpen()) {
+      Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
+      return 1;
+    }
+
+    const Int_t nMod=5;   // 1:5 modules
+    const Int_t nCol=56;  // 1:56 columns in each CPV module (along the global Z axis)
+    const Int_t nRow=128; // 1:128 rows in each CPV module
+
+    Double_t coeff;
+    char hnam[80];
+    TH1F* histo=0;
+    
+    //Get the reference histogram
+    //(author: Gustavo Conesa Balbastre)
+
+    TList * keylist = f.GetListOfKeys();
+    Int_t nkeys   = f.GetNkeys();
+    Bool_t ok = kFALSE;
+    TKey  *key;
+    TString refHistoName= "";
+    Int_t ikey = 0;
+    Int_t counter = 0;
+    TH1F* hRef = 0;
+    
+    //Check if the file contains any histogram
+    
+    if(nkeys< 2){
+      Log(Form("Not enough histograms (%d) for calibration.",nkeys));
+      return 1;
+    }
+
+    while(!ok){
+      ikey = gRandom->Integer(nkeys);
+      key = (TKey*)keylist->At(ikey);
+      refHistoName = key->GetName();
+      hRef = (TH1F*)f.Get(refHistoName);
+      counter++;
+      // Check if the reference histogram has too little statistics
+      if(hRef->GetEntries()>2) ok=kTRUE;
+      if(!ok && counter >= nkeys){
+       Log("No histogram with enough statistics for reference.");
+       return 1;
+      }
+    }
+    
+    Log(Form("reference histogram %s, %.1f entries, mean=%.3f, rms=%.3f.",
+            hRef->GetName(),hRef->GetEntries(),
+            hRef->GetMean(),hRef->GetRMS()));
+
+    Double_t refMean=hRef->GetMean();
+    
+    // Calculates relative calibration coefficients for all non-zero channels
+    
+    for(Int_t mod=0; mod<nMod; mod++) {
+      for(Int_t col=0; col<nCol; col++) {
+       for(Int_t row=0; row<nRow; row++) {
+         sprintf(hnam,"%d_%d_%d",mod,row,col); // mod_X_Z
+         histo = (TH1F*)f.Get(hnam);
+         //TODO: dead channels exclusion!
+         if(histo) {
+           coeff = histo->GetMean()/refMean;
+           if(coeff>0)
+             calibData.SetADCchannelCpv(mod+1,col+1,row+1,1./coeff);
+           AliInfo(Form("mod %d col %d row %d  coeff %f\n",mod,col,row,coeff));
+         }
+       }
+      }
+    }
+    
+    f.Close();
+  }
+  
+  //Store CPV calibration data
+  
+  AliCDBMetaData cpvMetaData;
+  Bool_t cpvOK = Store("Calib", "CpvGainPedestals", &calibData, &cpvMetaData);
+
+  if(cpvOK) return 0;
+  else
+    return 1;
+
+}
+

diff --git a/PHOS/AliPHOSCpvPreprocessor.h b/PHOS/AliPHOSCpvPreprocessor.h
new file mode 100644 (file)
index 0000000..eec5b89
--- /dev/null
+++ b/PHOS/AliPHOSCpvPreprocessor.h
@@ -0,0 +1,27 @@
+#ifndef ALIPHOSCPVPREPROCESSOR_H
+#define ALIPHOSCPVPREPROCESSOR_H
+/* Copyright(c) 1998-2008, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice                               */
+
+///////////////////////////////////////////////////////////////////////////////
+// Class AliPHOSCpvPreprocessor - CPV preprocessor.
+///////////////////////////////////////////////////////////////////////////////
+
+
+#include "AliPreprocessor.h"
+
+class AliPHOSCpvPreprocessor : public AliPreprocessor {
+public:
+
+  AliPHOSCpvPreprocessor();
+  AliPHOSCpvPreprocessor(AliShuttleInterface* shuttle);
+
+protected:
+
+  virtual UInt_t Process(TMap* valueSet);
+
+  ClassDef(AliPHOSCpvPreprocessor,1);
+
+};
+
+#endif

diff --git a/PHOS/PHOSshuttleLinkDef.h b/PHOS/PHOSshuttleLinkDef.h
index eefb9bd4a60988ab526edac37dd045d9df7df797..6190212853df8517035960eec2ee9a78c7f17bd3 100644 (file)
--- a/PHOS/PHOSshuttleLinkDef.h
+++ b/PHOS/PHOSshuttleLinkDef.h
@@ -7,5 +7,7 @@
 #pragma link C++ class AliPHOSCalibHistoProducer+;
 #pragma link C++ class AliPHOSPreprocessor+;
 #pragma link C++ class AliPHOSDA1+;
+#pragma link C++ class AliPHOSCpvDA1+;
+#pragma link C++ class AliPHOSCpvPreprocessor+;
 
 #endif

diff --git a/PHOS/libPHOSshuttle.pkg b/PHOS/libPHOSshuttle.pkg
index 502adabc86a1d13ee312bdb524234232dc006e67..6525043bff7137eed94b3683f14795a94a3609c1 100644 (file)
--- a/PHOS/libPHOSshuttle.pkg
+++ b/PHOS/libPHOSshuttle.pkg
@@ -1,6 +1,8 @@
 SRCS          =  AliPHOSCalibHistoProducer.cxx \
                  AliPHOSPreprocessor.cxx \
-                AliPHOSDA1.cxx
+                AliPHOSDA1.cxx \
+                AliPHOSCpvDA1.cxx \
+                AliPHOSCpvPreprocessor.cxx
 
 HDRS:= $(SRCS:.cxx=.h)