Package for the SPD FO-uniformity-scan DA.

[u/mrichter/AliRoot.git] / ITS / AliITSOnlineSPDfoAnalyzer.h

diff --git a/ITS/AliITSOnlineSPDfoAnalyzer.h b/ITS/AliITSOnlineSPDfoAnalyzer.h
new file mode 100644 (file)
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+++ b/ITS/AliITSOnlineSPDfoAnalyzer.h
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+#ifndef ALIITSONLINESPDFOANALYZER_H
+#define ALIITSONLINESPDFOANALYZER_H
+/* Copyright(c) 2008-2010, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice                               */
+
+/* $Id$ */
+////////////////////////////////////////////////////////////////
+// Author: A. Mastroserio                                     // 
+// This class is used within the detector algorithm framework //
+// to analyze FO scan data. It intends to find the best DAC   //
+// values to get the best FO trigger efficiency               //
+////////////////////////////////////////////////////////////////
+
+class THnSparse;
+class TObject;
+class TArrayI;
+class AliITSOnlineSPDfo;
+class AliITSOnlineSPDfoInfo;
+
+class AliITSOnlineSPDfoAnalyzer {
+  
+ public:
+  AliITSOnlineSPDfoAnalyzer(const TString fileName,  Bool_t readFromGridFile=kFALSE);
+  AliITSOnlineSPDfoAnalyzer(const AliITSOnlineSPDfoAnalyzer& foan);
+  ~AliITSOnlineSPDfoAnalyzer();
+  
+  AliITSOnlineSPDfoAnalyzer& operator=(const AliITSOnlineSPDfoAnalyzer& handle);
+  
+  void       Init(Bool_t readFromGridFile=kFALSE);     
+  
+  enum {kNqualityFlags=3};
+  
+  void ReadParamsFromLocation(const Char_t* dirName);
+  Int_t IsSelected(Float_t eff) const;                  // selection quality (0 = best, 1 tight, 2 loose)
+  Int_t Select(const AliITSOnlineSPDfoChip *chip) const;
+  void WriteToFile(TString outputfile);
+  Bool_t IsExisting(TArrayI dacs,Int_t hs, Int_t chip) const;
+  Bool_t CorrectPreVTHChioce(const TH1D *h,Int_t &bin) const;
+  
+  // SETTERS
+  void SetGeneralThresholds(Float_t thre[3]); 
+  void SetParam(const Char_t *pname, const Char_t *pval);
+  void SetNdimensions();
+  void BuildTHnSparse(Int_t ihs, Int_t ichip);
+  void Process();
+  void CheckResults(TString filename, Int_t hs, Int_t ichip, Int_t iqual) const;
+  
+  // GETTERS
+  void GetCanvases(const THnSparse *hn, Int_t ihs, Int_t ichip,Int_t iqual) const;
+  TArrayI ChooseDACValues(Int_t ihs, Int_t ichip) const;
+  TArrayI GetCentralDACS(Int_t qualityflag, Int_t hs, Int_t chip, const TH1D *hd) const;
+  AliITSOnlineSPDfo * GetFOHandler() const {return fFOHandler;}
+  
+ private:
+  TString fFileName;
+  Int_t fNdims; // number of dimensions of the histogram (= #DACs in the scan)
+  Int_t *fNbins; //[fNdims]  
+  Double_t *fXmin; //[fNdims]
+  Double_t *fXmax; //[fNdims]  
+  AliITSOnlineSPDfo *fFOHandler;
+  Float_t fGeneralThresholds[3];
+  THnSparse *fNh[3][6][10];      // N-dim histo per chip per half sector per quality flag [0= exact, 1 = within 0.01, 2 = within 0.05]
+  Bool_t fHighOccupancyCheck;
+};
+
+#endif