Adding a protection against division by zero in Fcn1();

[u/mrichter/AliRoot.git] / MUON / AliMUONTriggerDisplay.h

diff --git a/MUON/AliMUONTriggerDisplay.h b/MUON/AliMUONTriggerDisplay.h
index 750fe4b337daeba6fdfbe2ee1a889a5ca9749162..0401b06f1805b8e1ca9b1c51518318a3aa9d6089 100644 (file)
--- a/MUON/AliMUONTriggerDisplay.h
+++ b/MUON/AliMUONTriggerDisplay.h
@@ -5,7 +5,7 @@
 
 // $Id$
 
-/// \ingroup rec
+/// \ingroup calib
 /// \class AliMUONTriggerDisplay
 /// \brief Converts histograms as a function of strip/board/slat number in human readable histograms
 ///
@@ -17,23 +17,27 @@
 
 class TArrayD;
 class TString;
+class TGraph;
 
 class AliMUONTriggerDisplay: public TObject {
 
 public:
   AliMUONTriggerDisplay();
   virtual ~AliMUONTriggerDisplay();
-
+  
+  /// Display element inidices (strip,board,slat)
   enum EDisplayType {
     kDisplayStrips,    ///< Draw strips
     kDisplayBoards,    ///< Draw boards
     kDisplaySlats      ///< Draw slats
   };
 
+  /// Display options inidices
   enum EDisplayOption {
     kDefaultDisplay,   ///< Default display
     kNumbered,         ///< Histogram filled with board numbers
-    kShowZeroes        ///< Displays strip/board/slat content even if it is 0
+    kShowZeroes,       ///< Displays strip/board/slat content even if it is 0
+    kNormalizeToArea   ///< Draw input histo divided by element area
   };
 
   TH2* GetEmptyDisplayHisto(TString displayHistoName, EDisplayType displayType,
@@ -47,23 +51,32 @@ public:
                           EDisplayType displayType, Int_t cathode,
                           Int_t chamber=11, TString displayHistoTitle="",
                           EDisplayOption displayOpt=kDefaultDisplay);
+
+  TH2* GetDisplayHistogram(TGraph* inputGraph, TString displayHistoName,
+                          EDisplayType displayType, Int_t cathode,
+                          Int_t chamber=11, TString displayHistoTitle="",
+                          EDisplayOption displayOpt=kDefaultDisplay);
   
   Bool_t FillDisplayHistogram(TH1* inputHisto, TH2* displayHisto,
                              EDisplayType displayType, Int_t cathode,
                              Int_t chamber=11,EDisplayOption displayOpt=kDefaultDisplay);
   
+  Bool_t FillDisplayHistogram(TGraph* inputGraph, TH2* displayHisto,
+                             EDisplayType displayType, Int_t cathode,
+                             Int_t chamber=11,EDisplayOption displayOpt=kDefaultDisplay);
+  
 private:
   Bool_t AddSortedPoint(Float_t currVal, TArrayD& position, const Float_t kResetValue);
   /// Return index
   Int_t GetIndex(Int_t chamber, Int_t cathode) { return 2*chamber + cathode;}
 
-  Bool_t InitOrDisplayTriggerInfo(TH1* inoutHisto, TH2* displayHisto,
+  Bool_t InitOrDisplayTriggerInfo(TObject* inputHisto, TH2* displayHisto,
                                  EDisplayType displayType,
                                  Int_t cathode, Int_t chamber,
                                  TString displayHistoName, TString displayHistoTitle,
                                  EDisplayOption displayOpt=kDefaultDisplay);
 
-  void FillBins(TH1* inputHisto, TH2* displayHisto,
+  void FillBins(TObject* inputHisto, TH2* displayHisto,
                Int_t iElement1, Int_t iElement2,
                Float_t x1, Float_t x2, Float_t y1, Float_t y2,
                const Float_t kShiftX, const Float_t kShiftY,