updated dndeta analysis

[u/mrichter/AliRoot.git] / PWG0 / AliPWG0Helper.h

diff --git a/PWG0/AliPWG0Helper.h b/PWG0/AliPWG0Helper.h
index b07d6c2d400f9906d888dd5ea65fe1aab9a53586..de29b5bf26dd68b8b22b23b651f7c3dd3bae7d4a 100644 (file)
--- a/PWG0/AliPWG0Helper.h
+++ b/PWG0/AliPWG0Helper.h
@@ -4,27 +4,60 @@
 #define ALIPWG0HELPER_H
 
 #include <TObject.h>
-
-#include <AliHeader.h>
+#include <AliTriggerAnalysis.h>
 
 // static helper functions
 
-class AliESD;
+class AliESDEvent;
+class AliESDVertex;
 class TParticle;
+class TH1;
+class TH2;
 class TH3;
+class AliHeader;
+class AliGenEventHeader;
+class AliStack;
+class TTree;
+class AliOfflineTrigger;
+class AliMultiplicity;
 
 class AliPWG0Helper : public TObject
 {
   public:
-    static Bool_t IsEventTriggered(AliESD* aEsd);
-    static Bool_t IsVertexReconstructed(AliESD* aEsd);
+    enum AnalysisMode { kInvalid = -1, kSPD = 0x1, kTPC = 0x2, kTPCITS = 0x4, kFieldOn = 0x8, kSPDOnlyL0 = 0x10 };
+    // in case we want to use bitmaps...
+    enum MCProcessType { kInvalidProcess = -1, kND = 0x1, kDD = 0x2, kSD = 0x4, kOnePart = 0x8 };
+    enum DiffTreatment { kMCFlags = 0, kUA5Cuts = 1, kE710Cuts, kALICEHadronLevel };
+
+    static const AliESDVertex* GetVertex(const AliESDEvent* aEsd, AnalysisMode analysisMethod, Bool_t debug = kFALSE);
+    static Bool_t TestVertex(const AliESDVertex* vertex, AnalysisMode analysisMode, Bool_t debug = kFALSE);
+    
     static Bool_t IsPrimaryCharged(TParticle* aParticle, Int_t aTotalPrimaries, Bool_t adebug = kFALSE);
 
-    static void CreateProjections(TH3* hist);
-    static void CreateDividedProjections(TH3* hist, TH3* hist2, const char* axis = 0, Bool_t putErrors = kFALSE);
+    static MCProcessType GetEventProcessType(AliESDEvent* esd, AliHeader* header, AliStack* stack, DiffTreatment diffTreatment);
+    static MCProcessType GetEventProcessType(AliHeader* aHeader, Bool_t adebug = kFALSE);
+    static MCProcessType GetPythiaEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug = kFALSE);
+    static MCProcessType GetDPMjetEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug = kFALSE);
+    static Int_t GetLastProcessType() { return fgLastProcessType; }
+
+    static TParticle* FindPrimaryMother(AliStack* stack, Int_t label);
+    static Int_t FindPrimaryMotherLabel(AliStack* stack, Int_t label);
+
+    static void CreateProjections(TH3* hist, Bool_t save = kFALSE);
+    static void CreateDividedProjections(TH3* hist, TH3* hist2, const char* axis = 0, Bool_t putErrors = kFALSE, Bool_t save = kFALSE);
     static const char* GetAxisTitle(TH3* hist, const char axis);
+
+    static void NormalizeToBinWidth(TH1* hist);
+    static void NormalizeToBinWidth(TH2* hist);
+
+    static void PrintConf(AnalysisMode analysisMode, AliTriggerAnalysis::Trigger trigger, DiffTreatment diffTreatment);
+    
+    static Double_t Rapidity(Double_t pt, Double_t pz, Double_t m);
+    static Bool_t IsHadronLevelSingleDiffractive(AliStack* stack, Float_t cms, Float_t xiMin, Float_t xiMax);
     
   protected:
+    static Int_t fgLastProcessType;    // stores the raw value of the last process type extracted
+ 
     ClassDef(AliPWG0Helper, 0)
 
   private: