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Reference Guide
ProofNtuple.h
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1 /// \file
2 /// \ingroup tutorial_proofntuple
3 ///
4 /// Selector to fill a simple ntuple
5 ///
6 /// \macro_code
7 ///
8 /// \author Gerardo Ganis (gerardo.ganis@cern.ch)
9 
10 #ifndef ProofNtuple_h
11 #define ProofNtuple_h
12 
13 #include <TSelector.h>
14 
15 class TFile;
16 class TProofOutputFile;
17 class TNtuple;
18 class TRandom3;
19 
20 class ProofNtuple : public TSelector {
21 public :
22 
23  // Specific members
24  TFile *fFile;
25  TProofOutputFile *fProofFile; // For optimized merging of the ntuple
26  TNtuple *fNtp;
27  TNtuple *fNtp2; // To test double TTree in the same file
28  TRandom3 *fRandom;
29  Bool_t fPlotNtuple;
30  TNtuple *fNtpRndm; // Ntuple with random numbers
31 
32  ProofNtuple() : fFile(0), fProofFile(0), fNtp(0), fNtp2(0), fRandom(0), fPlotNtuple(kTRUE), fNtpRndm(0) { }
33  virtual ~ProofNtuple();
34  virtual Int_t Version() const { return 2; }
35  virtual void Begin(TTree *tree);
36  virtual void SlaveBegin(TTree *tree);
37  virtual Bool_t Process(Long64_t entry);
38  virtual void SetOption(const char *option) { fOption = option; }
39  virtual void SetObject(TObject *obj) { fObject = obj; }
40  virtual void SetInputList(TList *input) { fInput = input; }
41  virtual TList *GetOutputList() const { return fOutput; }
42  virtual void SlaveTerminate();
43  virtual void Terminate();
44 
45  void PlotNtuple(TNtuple *, const char *);
46 
47  ClassDef(ProofNtuple,0);
48 };
49 
50 #endif
Random number generator class based on M.
Definition: TRandom3.h:27
TSelectorList * fOutput
! List of objects created during processing
Definition: TSelector.h:44
long long Long64_t
Definition: RtypesCore.h:69
A ROOT file is a suite of consecutive data records (TKey instances) with a well defined format...
Definition: TFile.h:46
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
virtual void SetInputList(TList *input)
Definition: TSelector.h:68
#define ClassDef(name, id)
Definition: Rtypes.h:320
virtual void Begin(TTree *)
Definition: TSelector.h:56
A doubly linked list.
Definition: TList.h:44
virtual int Version() const
Definition: TSelector.h:54
A simple TTree restricted to a list of float variables only.
Definition: TNtuple.h:28
virtual void SlaveBegin(TTree *)
Definition: TSelector.h:57
Class to steer the merging of files produced on the workers.
virtual void Terminate()
Definition: TSelector.h:73
virtual void SlaveTerminate()
Definition: TSelector.h:72
virtual Bool_t Process(Long64_t)
Definition: TSelector.cxx:330
virtual void SetObject(TObject *obj)
Definition: TSelector.h:67
virtual void SetOption(const char *option)
Definition: TSelector.h:66
Mother of all ROOT objects.
Definition: TObject.h:37
Definition: tree.py:1
A TTree object has a header with a name and a title.
Definition: TTree.h:70
A TSelector object is used by the TTree::Draw, TTree::Scan, TTree::Process to navigate in a TTree and...
Definition: TSelector.h:33
const Bool_t kTRUE
Definition: RtypesCore.h:87
virtual TList * GetOutputList() const
Definition: TSelector.h:71