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AliAnalysisTaskEmcalEmbeddingHelper.h
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1 #ifndef ALIANALYSISTASKEMCALEMBEDDINGHELPER_H
2 #define ALIANALYSISTASKEMCALEMBEDDINGHELPER_H
3 
16 /* Copyright(c) 1998-2016, ALICE Experiment at CERN, All rights reserved. *
17  * See cxx source for full Copyright notice */
18 
19 class TString;
20 class TChain;
21 class TFile;
22 class AliVEvent;
23 class AliVHeader;
24 class AliGenPythiaEventHeader;
25 class AliEmcalList;
26 
27 #include <iosfwd>
28 #include <vector>
29 #include <string>
30 
31 #include <AliAnalysisTaskSE.h>
32 #include "THistManager.h"
33 
68  public:
69 
71  AliAnalysisTaskEmcalEmbeddingHelper(const char *name) ;
73 
74  void UserExec(Option_t *option) ;
76  void Terminate(Option_t *option) ;
77 
79 
84  AliVEvent* GetExternalEvent() const { return fExternalEvent ; }
85 
90  bool Initialize();
91 
92  // Get
93  Int_t GetPtHardBin() const { return fPtHardBin; }
94  Int_t GetNPtHardBins() const { return fNPtHardBins; }
95  Int_t GetAnchorRun() const { return fAnchorRun; }
96  TString GetTreeName() const { return fTreeName; }
99  TString GetFilePattern() const { return fFilePattern; }
103  bool GetCreateHistos() const { return fCreateHisto; }
104 
105  // Set
107  void SetPtHardBin(Int_t n) { fPtHardBin = n; }
111  void SetAnchorRun(Int_t r) { fAnchorRun = r; }
113  void SetESD(const char * treeName = "esdTree") { fTreeName = treeName; }
115  void SetAOD(const char * treeName = "aodTree") { fTreeName = treeName; }
124  void SetFilePattern(const char * pattern) { fFilePattern = pattern; }
135  void SetCreateHistos(bool b) { fCreateHisto = b; }
136  /* @} */
137 
142  UInt_t GetTriggerMask() const { return fTriggerMask; }
143  bool GetMCRejectOutliers() const { return fMCRejectOutliers; }
145  Double_t GetZVertexCut() const { return fZVertexCut; }
147 
148  void SetTriggerMask(UInt_t triggerMask) { fTriggerMask = triggerMask; }
151  void SetZVertexCut(Double_t zVertex) { fZVertexCut = zVertex; }
152  void SetMaxVertexDistance(Double_t distance) { fMaxVertexDist = distance; }
153  /* @} */
154 
159  AliVHeader * GetEventHeader() const { return fExternalHeader; }
160  AliGenPythiaEventHeader * GetPythiaHeader() const { return fPythiaHeader; }
161  double GetPythiaXSection() const { return fPythiaCrossSection; }
162  int GetPythiaTrials() const { return fPythiaTrials; }
163  double GetPythiaPtHard() const { return fPythiaPtHard; }
164  /* @} */
165 
172  std::string GetAutoConfigureBasePath() const { return fAutoConfigureBasePath; }
174  std::string GetAutoConfigureIdentifier() const { return fAutoConfigureIdentifier; }
175 
176  void SetAutoConfigurePtHardBins(bool configure = true) { fAutoConfigurePtHardBins = configure; }
177  void SetAutoConfigureBasePath(std::string path) { fAutoConfigureBasePath = path; }
179  void SetAutoConfigureIdentifier(std::string path) { fAutoConfigureIdentifier = path; }
180  /* @} */
181 
186  // AddTask
188 
189  // Printing
190  friend std::ostream & operator<<(std::ostream &in, const AliAnalysisTaskEmcalEmbeddingHelper &myTask);
191  void Print(Option_t* opt = "") const;
192  std::ostream & Print(std::ostream &in) const;
193  std::string toString(bool includeFileList = false) const;
194  /* @} */
195 
207  AliVEvent* InputEvent() const { return GetExternalEvent(); }
208 
209  protected:
210  bool GetFilenames() ;
212  std::string GenerateUniqueFileListFilename() const;
213  std::string RemoveTrailingSlashes(std::string filename) const;
215  void SetupEmbedding() ;
217  std::string DeterminePythiaXSecFilename(TString baseFileName, TString pythiaBaseFilename, bool testIfExists) const;
218  Bool_t GetNextEntry() ;
223  Bool_t InitEvent() ;
224  void InitTree() ;
225  bool PythiaInfoFromCrossSectionFile(std::string filename);
226 
232 
237 
244  bool fCreateHisto ;
245 
250 
255  std::vector <std::string> fFilenames ;
256  std::vector <std::string> fPythiaCrossSectionFilenames;
257  TFile *fExternalFile ;
267  AliVEvent *fExternalEvent ;
268  AliVHeader *fExternalHeader ;
269  AliGenPythiaEventHeader *fPythiaHeader ;
270 
275  double fPythiaPtHard ;
276 
278 
279  private:
282 
286 };
287 #endif
Bool_t fRandomEventNumberAccess
If true, it will start embedding from a random entry in the file rather than from the first...
Double_t fZVertexCut
Z vertex cut on embedded event.
const char * filename
Definition: TestFCM.C:1
void SetESD(const char *treeName="esdTree")
Set to embed from ESD.
double Double_t
Definition: External.C:58
Int_t fPtHardBin
ptHard bin for the given pythia production
bool fMCRejectOutliers
If true, MC outliers will be rejected.
double fPythiaCrossSection
! Pythia cross section for the current event (extracted from the pythia header).
void SetAnchorRun(Int_t r)
Sets the anchor run which will be added into the file pattern. Can also be omitted and set directly i...
Int_t fLowerEntry
! First entry of the current tree to be used for embedding
Int_t fAnchorRun
Anchor run for the given pythia production.
TString fFileListFilename
Name of the file list containing paths to files to embed.
int fPythiaTrialsFromFile
! Average number of trials extracted from a xsec file.
Bool_t fRandomFileAccess
If true, it will start embedding from a random file in the input files list.
Int_t fCurrentEntry
! Current entry in the current tree
TFile * fExternalFile
! External file used for embedding
Int_t fNPtHardBins
Total number of pt hard bins.
TChain * fChain
! External TChain (tree) containing the events available for embedding
bool fAutoConfigurePtHardBins
If true, attempt to auto configure pt hard bins. Only works on the LEGO train.
bool fInitializedConfiguration
Notes if the configuration has been initialized.
AliVEvent * GetExternalEvent() const
Retrieve the embedded event from the embedding helper.
AliVHeader * fExternalHeader
! Header of the current external event
void SetFilePattern(const char *pattern)
Sets the file pattern to select AliEn files. This pattern is used as input to the alien_find command...
AliGenPythiaEventHeader * fPythiaHeader
! Pythia header of the current external event
TString fInputFilename
Filename of input root files.
friend std::ostream & operator<<(std::ostream &in, const AliAnalysisTaskEmcalEmbeddingHelper &myTask)
std::string fAutoConfigureBasePath
The base path to the auto configuration (for example, "/alice/cern.ch/user/a/alitrain/") ...
int Int_t
Definition: External.C:63
unsigned int UInt_t
Definition: External.C:33
bool fInitializedEmbedding
! Notes where the TChain has been initialized for embedding
std::string toString(bool includeFileList=false) const
Implementation of task to embed external events.
UInt_t fMaxNumberOfFiles
! Max number of files that are in the TChain
Double_t fMaxVertexDist
Max distance between Z vertex of internal and embedded event.
AliVEvent * fExternalEvent
! Current external event available for embedding
std::vector< std::string > fPythiaCrossSectionFilenames
Paths to the pythia xsection files.
void SetRandomFileAccess(Bool_t b)
Randomly select the first file to embed from the file list. Continues sequentially afterwards...
TString fTreeName
Name of the ESD/AOD tree where the events are to be found.
void SetNPtHardBins(Int_t n)
Set the number of pt hard bins in the production to properly format the histograms.
Int_t fOffset
! Offset from fLowerEntry where the loop over the tree should start
bool fCreateHisto
If true, create QA histograms.
Enhanced TList-derived class that implements correct merging for pt_hard binned production.
Definition: AliEmcalList.h:25
bool fWrappedAroundTree
! Notes whether we have wrapped around the tree, which is important if the offset into the tree is no...
Double_t fPtHardJetPtRejectionFactor
Factor which the pt hard bin is multiplied by to compare against pythia header jets pt...
double fPythiaPtHard
! Pt hard of the current event (extracted from the pythia header).
void SetFileListFilename(const char *filename)
Set the path to a file containing the list of files to embed.
AliGenPythiaEventHeader * GetPythiaHeader() const
static AliAnalysisTaskEmcalEmbeddingHelper * AddTaskEmcalEmbeddingHelper()
void SetPtHardBin(Int_t n)
Set the pt hard bin which will be added into the file pattern. Can also be omitted and set directly i...
THistManager fHistManager
Manages access to all histograms.
bool fInitializedNewFile
! Notes where the entry indices have been initialized for a new tree in the chain ...
static AliAnalysisTaskEmcalEmbeddingHelper * fgInstance
! Global instance of this class
UInt_t fFileNumber
! File number corresponding to the current tree
Container class for histograms.
Definition: THistManager.h:99
std::string RemoveTrailingSlashes(std::string filename) const
AliAnalysisTaskEmcalEmbeddingHelper & operator=(const AliAnalysisTaskEmcalEmbeddingHelper &)
void SetCreateHistos(bool b)
Create QA histograms. These are necessary for proper scaling, so be careful disabling them! ...
const char Option_t
Definition: External.C:48
AliEmcalList * fOutput
! List which owns the output histograms to be saved
bool Bool_t
Definition: External.C:53
std::string fAutoConfigureIdentifier
How the auto configuration YAML file should be identified. (for example, "rehlersTrain") ...
std::string DeterminePythiaXSecFilename(TString baseFileName, TString pythiaBaseFilename, bool testIfExists) const
void SetStartingFileIndex(Int_t n)
Select the file ID to start embedding from.
void SetAOD(const char *treeName="aodTree")
Set to embed from AOD.
Int_t fUpperEntry
! Last entry of the current tree to be used for embedding
Int_t fFilenameIndex
Index of vector containing paths to files to embed.
double fPythiaCrossSectionFromFile
! Average pythia cross section extracted from a xsec file.
std::vector< std::string > fFilenames
Paths to the files to embed.
std::string fAutoConfigureTrainTypePath
The path associated with the train type (for example, "PWGJE/Jets_EMC_PbPb/")
TString fFilePattern
File pattern to select AliEn files using alien_find.
AliVEvent * InputEvent() const
SHOULD NOT BE USED! Use GetExternalEvent()! SHOULD NOT BE USED! Use GetExternalEvent()! Returns the e...
int fPythiaTrials
! Number of pythia trials for the current event (extracted from the pythia header).
Bool_t reject
static const AliAnalysisTaskEmcalEmbeddingHelper * GetInstance()