Logo ROOT   6.19/01
Reference Guide
TNtupleD Class Reference

A simple TTree restricted to a list of double variables only.

Each variable goes to a separate branch.

A Ntuple is created via

TNtupleD(name,title,varlist,bufsize)

It is filled via:

Definition at line 28 of file TNtupleD.h.

Public Member Functions

 TNtupleD ()
 Default constructor for Ntuple. More...
 
 TNtupleD (const char *name, const char *title, const char *varlist, Int_t bufsize=32000)
 Create an Ntuple. More...
 
virtual ~TNtupleD ()
 Default destructor for an Ntuple. More...
 
virtual void Browse (TBrowser *b)
 Browse content. More...
 
virtual Int_t Fill (const Double_t *x)
 Fill a Ntuple with an array of floats. More...
 
virtual Int_t Fill (Double_t x0, Double_t x1, Double_t x2=0, Double_t x3=0, Double_t x4=0, Double_t x5=0, Double_t x6=0, Double_t x7=0, Double_t x8=0, Double_t x9=0, Double_t x10=0, Double_t x11=0, Double_t x12=0, Double_t x13=0, Double_t x14=0)
 Fill a Ntuple: Each Ntuple item is an argument. More...
 
Double_tGetArgs () const
 
virtual Int_t GetNvar () const
 
virtual Long64_t ReadStream (std::istream &inputstream, const char *branchDescriptor="", char delimiter=' ')
 Read from filename as many columns as variables in the ntuple the function returns the number of rows found in the file The second argument "branchDescriptor" is currently not used. More...
 
virtual void ResetBranchAddress (TBranch *)
 Reset the branch addresses to the internal fArgs array. More...
 
void ResetBranchAddresses ()
 Reset the branch addresses to the internal fArgs array. More...
 
- Public Member Functions inherited from TTree
 TTree ()
 Default constructor and I/O constructor. More...
 
 TTree (const char *name, const char *title, Int_t splitlevel=99, TDirectory *dir=gDirectory)
 Normal tree constructor. More...
 
 TTree (const TTree &tt)=delete
 
virtual ~TTree ()
 Destructor. More...
 
void AddAllocationCount (UInt_t count)
 
virtual Int_t AddBranchToCache (const char *bname, Bool_t subbranches=kFALSE)
 Add branch with name bname to the Tree cache. More...
 
virtual Int_t AddBranchToCache (TBranch *branch, Bool_t subbranches=kFALSE)
 Add branch b to the Tree cache. More...
 
void AddClone (TTree *)
 Add a cloned tree to our list of trees to be notified whenever we change our branch addresses or when we are deleted. More...
 
virtual TFriendElementAddFriend (const char *treename, const char *filename="")
 Add a TFriendElement to the list of friends. More...
 
virtual TFriendElementAddFriend (const char *treename, TFile *file)
 Add a TFriendElement to the list of friends. More...
 
virtual TFriendElementAddFriend (TTree *tree, const char *alias="", Bool_t warn=kFALSE)
 Add a TFriendElement to the list of friends. More...
 
virtual void AddTotBytes (Int_t tot)
 
virtual void AddZipBytes (Int_t zip)
 
virtual Long64_t AutoSave (Option_t *option="")
 AutoSave tree header every fAutoSave bytes. More...
 
template<class T >
TBranchBranch (const char *name, T *obj, Int_t bufsize=32000, Int_t splitlevel=99)
 Add a new branch, and infer the data type from the type of obj being passed. More...
 
template<class T >
TBranchBranch (const char *name, T **addobj, Int_t bufsize=32000, Int_t splitlevel=99)
 Add a new branch, and infer the data type from the array addobj being passed. More...
 
virtual Int_t Branch (TCollection *list, Int_t bufsize=32000, Int_t splitlevel=99, const char *name="")
 Create one branch for each element in the collection. More...
 
virtual Int_t Branch (TList *list, Int_t bufsize=32000, Int_t splitlevel=99)
 Deprecated function. Use next function instead. More...
 
virtual Int_t Branch (const char *folder, Int_t bufsize=32000, Int_t splitlevel=99)
 Create one branch for each element in the folder. More...
 
virtual TBranchBranch (const char *name, void *address, const char *leaflist, Int_t bufsize=32000)
 Create a new TTree Branch. More...
 
TBranchBranch (const char *name, char *address, const char *leaflist, Int_t bufsize=32000)
 
TBranchBranch (const char *name, Long_t address, const char *leaflist, Int_t bufsize=32000)
 
TBranchBranch (const char *name, int address, const char *leaflist, Int_t bufsize=32000)
 
virtual TBranchBranch (const char *name, const char *classname, void *addobj, Int_t bufsize=32000, Int_t splitlevel=99)
 Create a new branch with the object of class classname at address addobj. More...
 
template<class T >
TBranchBranch (const char *name, const char *classname, T *obj, Int_t bufsize=32000, Int_t splitlevel=99)
 
template<class T >
TBranchBranch (const char *name, const char *classname, T **addobj, Int_t bufsize=32000, Int_t splitlevel=99)
 
template<typename T , std::size_t N>
TBranchBranch (const char *name, std::array< T, N > *obj, Int_t bufsize=32000, Int_t splitlevel=99)
 
virtual TBranchBranchOld (const char *name, const char *classname, void *addobj, Int_t bufsize=32000, Int_t splitlevel=1)
 Create a new TTree BranchObject. More...
 
virtual TBranchBranchRef ()
 Build the optional branch supporting the TRefTable. More...
 
virtual TBranchBronch (const char *name, const char *classname, void *addobj, Int_t bufsize=32000, Int_t splitlevel=99)
 Create a new TTree BranchElement. More...
 
virtual Int_t BuildIndex (const char *majorname, const char *minorname="0")
 Build a Tree Index (default is TTreeIndex). More...
 
TStreamerInfoBuildStreamerInfo (TClass *cl, void *pointer=0, Bool_t canOptimize=kTRUE)
 Build StreamerInfo for class cl. More...
 
virtual TFileChangeFile (TFile *file)
 Called by TTree::Fill() when file has reached its maximum fgMaxTreeSize. More...
 
virtual TTreeCloneTree (Long64_t nentries=-1, Option_t *option="")
 Create a clone of this tree and copy nentries. More...
 
virtual void CopyAddresses (TTree *, Bool_t undo=kFALSE)
 Set branch addresses of passed tree equal to ours. More...
 
virtual Long64_t CopyEntries (TTree *tree, Long64_t nentries=-1, Option_t *option="")
 Copy nentries from given tree to this tree. More...
 
virtual TTreeCopyTree (const char *selection, Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0)
 Copy a tree with selection. More...
 
virtual TBasketCreateBasket (TBranch *)
 Create a basket for this tree and given branch. More...
 
Int_t Debug () const
 
virtual void Delete (Option_t *option="")
 Delete this tree from memory or/and disk. More...
 
virtual void DirectoryAutoAdd (TDirectory *)
 Called by TKey and TObject::Clone to automatically add us to a directory when we are read from a file. More...
 
virtual void Draw (Option_t *opt)
 Default Draw method for all objects. More...
 
virtual Long64_t Draw (const char *varexp, const TCut &selection, Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0)
 Draw expression varexp for specified entries. More...
 
virtual Long64_t Draw (const char *varexp, const char *selection, Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0)
 Draw expression varexp for specified entries. More...
 
virtual void DropBaskets ()
 Remove some baskets from memory. More...
 
virtual Int_t DropBranchFromCache (const char *bname, Bool_t subbranches=kFALSE)
 Remove the branch with name 'bname' from the Tree cache. More...
 
virtual Int_t DropBranchFromCache (TBranch *branch, Bool_t subbranches=kFALSE)
 Remove the branch b from the Tree cache. More...
 
virtual void DropBuffers (Int_t nbytes)
 Drop branch buffers to accommodate nbytes below MaxVirtualsize. More...
 
virtual TBranchFindBranch (const char *name)
 Return the branch that correspond to the path 'branchname', which can include the name of the tree or the omitted name of the parent branches. More...
 
virtual TLeafFindLeaf (const char *name)
 Find leaf.. More...
 
virtual Int_t Fit (const char *funcname, const char *varexp, const char *selection="", Option_t *option="", Option_t *goption="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0)
 Fit a projected item(s) from a tree. More...
 
virtual Int_t FlushBaskets (Bool_t create_cluster=true) const
 Write to disk all the basket that have not yet been individually written and create an event cluster boundary (by default). More...
 
virtual const char * GetAlias (const char *aliasName) const
 Returns the expanded value of the alias. Search in the friends if any. More...
 
UInt_t GetAllocationCount () const
 
virtual Long64_t GetAutoFlush () const
 
virtual Long64_t GetAutoSave () const
 
virtual TBranchGetBranch (const char *name)
 Return pointer to the branch with the given name in this tree or its friends. More...
 
virtual TBranchRefGetBranchRef () const
 
virtual Bool_t GetBranchStatus (const char *branchname) const
 Return status of branch with name branchname. More...
 
virtual Long64_t GetCacheSize () const
 
virtual Long64_t GetChainEntryNumber (Long64_t entry) const
 
virtual Long64_t GetChainOffset () const
 
virtual TClusterIterator GetClusterIterator (Long64_t firstentry)
 Return an iterator over the cluster of baskets starting at firstentry. More...
 
virtual Bool_t GetClusterPrefetch () const
 
TFileGetCurrentFile () const
 Return pointer to the current file. More...
 
Long64_t GetDebugMax () const
 
Long64_t GetDebugMin () const
 
Int_t GetDefaultEntryOffsetLen () const
 
TDirectoryGetDirectory () const
 
virtual Long64_t GetEntries () const
 
virtual Long64_t GetEntries (const char *selection)
 Return the number of entries matching the selection. More...
 
virtual Long64_t GetEntriesFast () const
 
virtual Long64_t GetEntriesFriend () const
 Return pointer to the 1st Leaf named name in any Branch of this Tree or any branch in the list of friend trees. More...
 
virtual Int_t GetEntry (Long64_t entry=0, Int_t getall=0)
 Read all branches of entry and return total number of bytes read. More...
 
virtual TEntryListGetEntryList ()
 Returns the entry list assigned to this tree. More...
 
virtual Long64_t GetEntryNumber (Long64_t entry) const
 Return entry number corresponding to entry. More...
 
virtual Long64_t GetEntryNumberWithBestIndex (Long64_t major, Long64_t minor=0) const
 Return entry number corresponding to major and minor number. More...
 
virtual Long64_t GetEntryNumberWithIndex (Long64_t major, Long64_t minor=0) const
 Return entry number corresponding to major and minor number. More...
 
virtual Int_t GetEntryWithIndex (Int_t major, Int_t minor=0)
 Read entry corresponding to major and minor number. More...
 
virtual Long64_t GetEstimate () const
 
Int_t GetEvent (Long64_t entry=0, Int_t getall=0)
 
TEventListGetEventList () const
 
virtual Int_t GetFileNumber () const
 
virtual TTreeGetFriend (const char *) const
 Return a pointer to the TTree friend whose name or alias is 'friendname. More...
 
virtual const char * GetFriendAlias (TTree *) const
 If the 'tree' is a friend, this method returns its alias name. More...
 
TH1GetHistogram ()
 
virtual Bool_t GetImplicitMT ()
 
virtual Int_tGetIndex ()
 
virtual Double_tGetIndexValues ()
 
ROOT::TIOFeatures GetIOFeatures () const
 Returns the current set of IO settings. More...
 
virtual TIteratorGetIteratorOnAllLeaves (Bool_t dir=kIterForward)
 Creates a new iterator that will go through all the leaves on the tree itself and its friend. More...
 
virtual TLeafGetLeaf (const char *branchname, const char *leafname)
 Return pointer to the 1st Leaf named name in any Branch of this Tree or any branch in the list of friend trees. More...
 
virtual TLeafGetLeaf (const char *name)
 Return pointer to first leaf named. More...
 
virtual TListGetListOfAliases () const
 
virtual TObjArrayGetListOfBranches ()
 
virtual TListGetListOfClones ()
 
virtual TListGetListOfFriends () const
 
virtual TObjArrayGetListOfLeaves ()
 
Int_t GetMakeClass () const
 
virtual Long64_t GetMaxEntryLoop () const
 
virtual Double_t GetMaximum (const char *columname)
 Return maximum of column with name columname. More...
 
virtual Long64_t GetMaxVirtualSize () const
 
virtual Double_t GetMinimum (const char *columname)
 Return minimum of column with name columname. More...
 
virtual Int_t GetNbranches ()
 
TObjectGetNotify () const
 
virtual Int_t GetPacketSize () const
 
virtual TVirtualPerfStatsGetPerfStats () const
 
TVirtualTreePlayerGetPlayer ()
 Load the TTreePlayer (if not already done). More...
 
TTreeCacheGetReadCache (TFile *file) const
 Find and return the TTreeCache registered with the file and which may contain branches for us. More...
 
TTreeCacheGetReadCache (TFile *file, Bool_t create)
 Find and return the TTreeCache registered with the file and which may contain branches for us. More...
 
virtual Long64_t GetReadEntry () const
 
virtual Long64_t GetReadEvent () const
 
virtual Int_t GetScanField () const
 
TTreeFormulaGetSelect ()
 
virtual Long64_t GetSelectedRows ()
 
Float_t GetTargetMemoryRatio () const
 
virtual Int_t GetTimerInterval () const
 
virtual Long64_t GetTotBytes () const
 
TBufferGetTransientBuffer (Int_t size)
 Returns the transient buffer currently used by this TTree for reading/writing baskets. More...
 
virtual TTreeGetTree () const
 
virtual TVirtualIndexGetTreeIndex () const
 
virtual Int_t GetTreeNumber () const
 
virtual Int_t GetUpdate () const
 
virtual TListGetUserInfo ()
 Return a pointer to the list containing user objects associated to this tree. More...
 
virtual Double_tGetV1 ()
 
virtual Double_tGetV2 ()
 
virtual Double_tGetV3 ()
 
virtual Double_tGetV4 ()
 
virtual Double_tGetVal (Int_t i)
 
TTreeFormulaGetVar (Int_t i)
 
TTreeFormulaGetVar1 ()
 
TTreeFormulaGetVar2 ()
 
TTreeFormulaGetVar3 ()
 
TTreeFormulaGetVar4 ()
 
virtual Double_tGetW ()
 
virtual Double_t GetWeight () const
 
virtual Long64_t GetZipBytes () const
 
virtual void IncrementTotalBuffers (Int_t nbytes)
 
Bool_t IsFolder () const
 Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...
 
virtual Int_t LoadBaskets (Long64_t maxmemory=2000000000)
 Read in memory all baskets from all branches up to the limit of maxmemory bytes. More...
 
virtual Long64_t LoadTree (Long64_t entry)
 Set current entry. More...
 
virtual Long64_t LoadTreeFriend (Long64_t entry, TTree *T)
 Load entry on behalf of our master tree, we may use an index. More...
 
virtual Int_t MakeClass (const char *classname=0, Option_t *option="")
 Generate a skeleton analysis class for this tree. More...
 
virtual Int_t MakeCode (const char *filename=0)
 Generate a skeleton function for this tree. More...
 
virtual Int_t MakeProxy (const char *classname, const char *macrofilename=0, const char *cutfilename=0, const char *option=0, Int_t maxUnrolling=3)
 Generate a skeleton analysis class for this Tree using TBranchProxy. More...
 
virtual Int_t MakeSelector (const char *selector=0, Option_t *option="")
 Generate skeleton selector class for this tree. More...
 
Bool_t MemoryFull (Int_t nbytes)
 Check if adding nbytes to memory we are still below MaxVirtualsize. More...
 
virtual Long64_t Merge (TCollection *list, Option_t *option="")
 Merge the trees in the TList into this tree. More...
 
virtual Long64_t Merge (TCollection *list, TFileMergeInfo *info)
 Merge the trees in the TList into this tree. More...
 
virtual Bool_t Notify ()
 Function called when loading a new class library. More...
 
TTreeoperator= (const TTree &tt)=delete
 
virtual void OptimizeBaskets (ULong64_t maxMemory=10000000, Float_t minComp=1.1, Option_t *option="")
 This function may be called after having filled some entries in a Tree. More...
 
TPrincipalPrincipal (const char *varexp="", const char *selection="", Option_t *option="np", Long64_t nentries=kMaxEntries, Long64_t firstentry=0)
 Interface to the Principal Components Analysis class. More...
 
virtual void Print (Option_t *option="") const
 Print a summary of the tree contents. More...
 
virtual void PrintCacheStats (Option_t *option="") const
 Print statistics about the TreeCache for this tree. More...
 
virtual Long64_t Process (const char *filename, Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0)
 Process this tree executing the TSelector code in the specified filename. More...
 
virtual Long64_t Process (TSelector *selector, Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0)
 Process this tree executing the code in the specified selector. More...
 
virtual Long64_t Project (const char *hname, const char *varexp, const char *selection="", Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0)
 Make a projection of a tree using selections. More...
 
virtual TSQLResultQuery (const char *varexp="", const char *selection="", Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0)
 Loop over entries and return a TSQLResult object containing entries following selection. More...
 
virtual Long64_t ReadFile (const char *filename, const char *branchDescriptor="", char delimiter=' ')
 Create or simply read branches from filename. More...
 
virtual void RecursiveRemove (TObject *obj)
 Make sure that obj (which is being deleted or will soon be) is no longer referenced by this TTree. More...
 
virtual void Refresh ()
 Refresh contents of this tree and its branches from the current status on disk. More...
 
virtual void RemoveFriend (TTree *)
 Remove a friend from the list of friends. More...
 
virtual void Reset (Option_t *option="")
 Reset baskets, buffers and entries count in all branches and leaves. More...
 
virtual void ResetAfterMerge (TFileMergeInfo *)
 Resets the state of this TTree after a merge (keep the customization but forget the data). More...
 
virtual Long64_t Scan (const char *varexp="", const char *selection="", Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0)
 Loop over tree entries and print entries passing selection. More...
 
virtual Bool_t SetAlias (const char *aliasName, const char *aliasFormula)
 Set a tree variable alias. More...
 
virtual void SetAutoFlush (Long64_t autof=-30000000)
 This function may be called at the start of a program to change the default value for fAutoFlush. More...
 
virtual void SetAutoSave (Long64_t autos=-300000000)
 This function may be called at the start of a program to change the default value for fAutoSave (and for SetAutoSave) is -300000000, ie 300 MBytes. More...
 
virtual void SetBasketSize (const char *bname, Int_t buffsize=16000)
 Set a branch's basket size. More...
 
virtual Int_t SetBranchAddress (const char *bname, void *add, TBranch **ptr=0)
 Change branch address, dealing with clone trees properly. More...
 
virtual Int_t SetBranchAddress (const char *bname, void *add, TClass *realClass, EDataType datatype, Bool_t isptr)
 Verify the validity of the type of addr before calling SetBranchAddress. More...
 
virtual Int_t SetBranchAddress (const char *bname, void *add, TBranch **ptr, TClass *realClass, EDataType datatype, Bool_t isptr)
 Verify the validity of the type of addr before calling SetBranchAddress. More...
 
template<class T >
Int_t SetBranchAddress (const char *bname, T **add, TBranch **ptr=0)
 
template<class T >
Int_t SetBranchAddress (const char *bname, T *add, TBranch **ptr=0)
 
virtual void SetBranchStatus (const char *bname, Bool_t status=1, UInt_t *found=0)
 Set branch status to Process or DoNotProcess. More...
 
virtual Int_t SetCacheEntryRange (Long64_t first, Long64_t last)
 interface to TTreeCache to set the cache entry range More...
 
virtual void SetCacheLearnEntries (Int_t n=10)
 Interface to TTreeCache to set the number of entries for the learning phase. More...
 
virtual Int_t SetCacheSize (Long64_t cachesize=-1)
 Set maximum size of the file cache . More...
 
virtual void SetChainOffset (Long64_t offset=0)
 
virtual void SetCircular (Long64_t maxEntries)
 Enable/Disable circularity for this tree. More...
 
virtual void SetClusterPrefetch (Bool_t enabled)
 
virtual void SetDebug (Int_t level=1, Long64_t min=0, Long64_t max=9999999)
 Set the debug level and the debug range. More...
 
virtual void SetDefaultEntryOffsetLen (Int_t newdefault, Bool_t updateExisting=kFALSE)
 Update the default value for the branch's fEntryOffsetLen. More...
 
virtual void SetDirectory (TDirectory *dir)
 Change the tree's directory. More...
 
virtual Long64_t SetEntries (Long64_t n=-1)
 Change number of entries in the tree. More...
 
virtual void SetEntryList (TEntryList *list, Option_t *opt="")
 Set an EntryList. More...
 
virtual void SetEstimate (Long64_t nentries=1000000)
 Set number of entries to estimate variable limits. More...
 
virtual void SetEventList (TEventList *list)
 This function transfroms the given TEventList into a TEntryList The new TEntryList is owned by the TTree and gets deleted when the tree is deleted. More...
 
virtual void SetFileNumber (Int_t number=0)
 Set fFileNumber to number. More...
 
virtual void SetImplicitMT (Bool_t enabled)
 
ROOT::TIOFeatures SetIOFeatures (const ROOT::TIOFeatures &)
 Provide the end-user with the ability to enable/disable various experimental IO features for this TTree. More...
 
virtual void SetMakeClass (Int_t make)
 Set all the branches in this TTree to be in decomposed object mode (also known as MakeClass mode). More...
 
virtual void SetMaxEntryLoop (Long64_t maxev=kMaxEntries)
 
virtual void SetMaxVirtualSize (Long64_t size=0)
 
virtual void SetName (const char *name)
 Change the name of this tree. More...
 
virtual void SetNotify (TObject *obj)
 Sets the address of the object to be notified when the tree is loaded. More...
 
virtual void SetObject (const char *name, const char *title)
 Change the name and title of this tree. More...
 
virtual void SetParallelUnzip (Bool_t opt=kTRUE, Float_t RelSize=-1)
 Enable or disable parallel unzipping of Tree buffers. More...
 
virtual void SetPerfStats (TVirtualPerfStats *perf)
 Set perf stats. More...
 
virtual void SetScanField (Int_t n=50)
 
void SetTargetMemoryRatio (Float_t ratio)
 
virtual void SetTimerInterval (Int_t msec=333)
 
virtual void SetTreeIndex (TVirtualIndex *index)
 The current TreeIndex is replaced by the new index. More...
 
virtual void SetUpdate (Int_t freq=0)
 
virtual void SetWeight (Double_t w=1, Option_t *option="")
 Set tree weight. More...
 
virtual void Show (Long64_t entry=-1, Int_t lenmax=20)
 Print values of all active leaves for entry. More...
 
virtual void StartViewer ()
 Start the TTreeViewer on this tree. More...
 
virtual Int_t StopCacheLearningPhase ()
 Stop the cache learning phase. More...
 
virtual Int_t UnbinnedFit (const char *funcname, const char *varexp, const char *selection="", Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0)
 Unbinned fit of one or more variable(s) from a tree. More...
 
void UseCurrentStyle ()
 Replace current attributes by current style. More...
 
virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
 Write this object to the current directory. More...
 
virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
 Write this object to the current directory. More...
 
- Public Member Functions inherited from TNamed
 TNamed ()
 
 TNamed (const char *name, const char *title)
 
 TNamed (const TString &name, const TString &title)
 
 TNamed (const TNamed &named)
 TNamed copy ctor. More...
 
virtual ~TNamed ()
 TNamed destructor. More...
 
virtual void Clear (Option_t *option="")
 Set name and title to empty strings (""). More...
 
virtual TObjectClone (const char *newname="") const
 Make a clone of an object using the Streamer facility. More...
 
virtual Int_t Compare (const TObject *obj) const
 Compare two TNamed objects. More...
 
virtual void Copy (TObject &named) const
 Copy this to obj. More...
 
virtual void FillBuffer (char *&buffer)
 Encode TNamed into output buffer. More...
 
virtual const char * GetName () const
 Returns name of object. More...
 
virtual const char * GetTitle () const
 Returns title of object. More...
 
virtual ULong_t Hash () const
 Return hash value for this object. More...
 
virtual Bool_t IsSortable () const
 
virtual void ls (Option_t *option="") const
 List TNamed name and title. More...
 
TNamedoperator= (const TNamed &rhs)
 TNamed assignment operator. More...
 
virtual void SetNameTitle (const char *name, const char *title)
 Set all the TNamed parameters (name and title). More...
 
virtual void SetTitle (const char *title="")
 Set the title of the TNamed. More...
 
virtual Int_t Sizeof () const
 Return size of the TNamed part of the TObject. More...
 
- Public Member Functions inherited from TObject
 TObject ()
 TObject constructor. More...
 
 TObject (const TObject &object)
 TObject copy ctor. More...
 
virtual ~TObject ()
 TObject destructor. More...
 
void AbstractMethod (const char *method) const
 Use this method to implement an "abstract" method that you don't want to leave purely abstract. More...
 
virtual void AppendPad (Option_t *option="")
 Append graphics object to current pad. More...
 
ULong_t CheckedHash ()
 Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object. More...
 
virtual const char * ClassName () const
 Returns name of class to which the object belongs. More...
 
virtual Int_t DistancetoPrimitive (Int_t px, Int_t py)
 Computes distance from point (px,py) to the object. More...
 
virtual void DrawClass () const
 Draw class inheritance tree of the class to which this object belongs. More...
 
virtual TObjectDrawClone (Option_t *option="") const
 Draw a clone of this object in the current selected pad for instance with: gROOT->SetSelectedPad(gPad). More...
 
virtual void Dump () const
 Dump contents of object on stdout. More...
 
virtual void Error (const char *method, const char *msgfmt,...) const
 Issue error message. More...
 
virtual void Execute (const char *method, const char *params, Int_t *error=0)
 Execute method on this object with the given parameter string, e.g. More...
 
virtual void Execute (TMethod *method, TObjArray *params, Int_t *error=0)
 Execute method on this object with parameters stored in the TObjArray. More...
 
virtual void ExecuteEvent (Int_t event, Int_t px, Int_t py)
 Execute action corresponding to an event at (px,py). More...
 
virtual void Fatal (const char *method, const char *msgfmt,...) const
 Issue fatal error message. More...
 
virtual TObjectFindObject (const char *name) const
 Must be redefined in derived classes. More...
 
virtual TObjectFindObject (const TObject *obj) const
 Must be redefined in derived classes. More...
 
virtual Option_tGetDrawOption () const
 Get option used by the graphics system to draw this object. More...
 
virtual const char * GetIconName () const
 Returns mime type name of object. More...
 
virtual char * GetObjectInfo (Int_t px, Int_t py) const
 Returns string containing info about the object at position (px,py). More...
 
virtual Option_tGetOption () const
 
virtual UInt_t GetUniqueID () const
 Return the unique object id. More...
 
virtual Bool_t HandleTimer (TTimer *timer)
 Execute action in response of a timer timing out. More...
 
Bool_t HasInconsistentHash () const
 Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e. More...
 
virtual void Info (const char *method, const char *msgfmt,...) const
 Issue info message. More...
 
virtual Bool_t InheritsFrom (const char *classname) const
 Returns kTRUE if object inherits from class "classname". More...
 
virtual Bool_t InheritsFrom (const TClass *cl) const
 Returns kTRUE if object inherits from TClass cl. More...
 
virtual void Inspect () const
 Dump contents of this object in a graphics canvas. More...
 
void InvertBit (UInt_t f)
 
virtual Bool_t IsEqual (const TObject *obj) const
 Default equal comparison (objects are equal if they have the same address in memory). More...
 
R__ALWAYS_INLINE Bool_t IsOnHeap () const
 
R__ALWAYS_INLINE Bool_t IsZombie () const
 
void MayNotUse (const char *method) const
 Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary). More...
 
void Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
 Use this method to declare a method obsolete. More...
 
void operator delete (void *ptr)
 Operator delete. More...
 
void operator delete[] (void *ptr)
 Operator delete []. More...
 
voidoperator new (size_t sz)
 
voidoperator new (size_t sz, void *vp)
 
voidoperator new[] (size_t sz)
 
voidoperator new[] (size_t sz, void *vp)
 
TObjectoperator= (const TObject &rhs)
 TObject assignment operator. More...
 
virtual void Paint (Option_t *option="")
 This method must be overridden if a class wants to paint itself. More...
 
virtual void Pop ()
 Pop on object drawn in a pad to the top of the display list. More...
 
virtual Int_t Read (const char *name)
 Read contents of object with specified name from the current directory. More...
 
void ResetBit (UInt_t f)
 
virtual void SaveAs (const char *filename="", Option_t *option="") const
 Save this object in the file specified by filename. More...
 
virtual void SavePrimitive (std::ostream &out, Option_t *option="")
 Save a primitive as a C++ statement(s) on output stream "out". More...
 
void SetBit (UInt_t f, Bool_t set)
 Set or unset the user status bits as specified in f. More...
 
void SetBit (UInt_t f)
 
virtual void SetDrawOption (Option_t *option="")
 Set drawing option for object. More...
 
virtual void SetUniqueID (UInt_t uid)
 Set the unique object id. More...
 
virtual void SysError (const char *method, const char *msgfmt,...) const
 Issue system error message. More...
 
R__ALWAYS_INLINE Bool_t TestBit (UInt_t f) const
 
Int_t TestBits (UInt_t f) const
 
virtual void Warning (const char *method, const char *msgfmt,...) const
 Issue warning message. More...
 
- Public Member Functions inherited from TAttLine
 TAttLine ()
 AttLine default constructor. More...
 
 TAttLine (Color_t lcolor, Style_t lstyle, Width_t lwidth)
 AttLine normal constructor. More...
 
virtual ~TAttLine ()
 AttLine destructor. More...
 
void Copy (TAttLine &attline) const
 Copy this line attributes to a new TAttLine. More...
 
Int_t DistancetoLine (Int_t px, Int_t py, Double_t xp1, Double_t yp1, Double_t xp2, Double_t yp2)
 Compute distance from point px,py to a line. More...
 
virtual Color_t GetLineColor () const
 Return the line color. More...
 
virtual Style_t GetLineStyle () const
 Return the line style. More...
 
virtual Width_t GetLineWidth () const
 Return the line width. More...
 
virtual void Modify ()
 Change current line attributes if necessary. More...
 
virtual void ResetAttLine (Option_t *option="")
 Reset this line attributes to default values. More...
 
virtual void SaveLineAttributes (std::ostream &out, const char *name, Int_t coldef=1, Int_t stydef=1, Int_t widdef=1)
 Save line attributes as C++ statement(s) on output stream out. More...
 
virtual void SetLineAttributes ()
 Invoke the DialogCanvas Line attributes. More...
 
virtual void SetLineColor (Color_t lcolor)
 Set the line color. More...
 
virtual void SetLineColorAlpha (Color_t lcolor, Float_t lalpha)
 Set a transparent line color. More...
 
virtual void SetLineStyle (Style_t lstyle)
 Set the line style. More...
 
virtual void SetLineWidth (Width_t lwidth)
 Set the line width. More...
 
- Public Member Functions inherited from TAttFill
 TAttFill ()
 AttFill default constructor. More...
 
 TAttFill (Color_t fcolor, Style_t fstyle)
 AttFill normal constructor. More...
 
virtual ~TAttFill ()
 AttFill destructor. More...
 
void Copy (TAttFill &attfill) const
 Copy this fill attributes to a new TAttFill. More...
 
virtual Color_t GetFillColor () const
 Return the fill area color. More...
 
virtual Style_t GetFillStyle () const
 Return the fill area style. More...
 
virtual Bool_t IsTransparent () const
 
virtual void Modify ()
 Change current fill area attributes if necessary. More...
 
virtual void ResetAttFill (Option_t *option="")
 Reset this fill attributes to default values. More...
 
virtual void SaveFillAttributes (std::ostream &out, const char *name, Int_t coldef=1, Int_t stydef=1001)
 Save fill attributes as C++ statement(s) on output stream out. More...
 
virtual void SetFillAttributes ()
 Invoke the DialogCanvas Fill attributes. More...
 
virtual void SetFillColor (Color_t fcolor)
 Set the fill area color. More...
 
virtual void SetFillColorAlpha (Color_t fcolor, Float_t falpha)
 Set a transparent fill color. More...
 
virtual void SetFillStyle (Style_t fstyle)
 Set the fill area style. More...
 
- Public Member Functions inherited from TAttMarker
 TAttMarker ()
 TAttMarker default constructor. More...
 
 TAttMarker (Color_t color, Style_t style, Size_t msize)
 TAttMarker normal constructor. More...
 
virtual ~TAttMarker ()
 TAttMarker destructor. More...
 
void Copy (TAttMarker &attmarker) const
 Copy this marker attributes to a new TAttMarker. More...
 
virtual Color_t GetMarkerColor () const
 Return the marker color. More...
 
virtual Size_t GetMarkerSize () const
 Return the marker size. More...
 
virtual Style_t GetMarkerStyle () const
 Return the marker style. More...
 
virtual void Modify ()
 Change current marker attributes if necessary. More...
 
virtual void ResetAttMarker (Option_t *toption="")
 Reset this marker attributes to the default values. More...
 
virtual void SaveMarkerAttributes (std::ostream &out, const char *name, Int_t coldef=1, Int_t stydef=1, Int_t sizdef=1)
 Save line attributes as C++ statement(s) on output stream out. More...
 
virtual void SetMarkerAttributes ()
 Invoke the DialogCanvas Marker attributes. More...
 
virtual void SetMarkerColor (Color_t mcolor=1)
 Set the marker color. More...
 
virtual void SetMarkerColorAlpha (Color_t mcolor, Float_t malpha)
 Set a transparent marker color. More...
 
virtual void SetMarkerSize (Size_t msize=1)
 Set the marker size. More...
 
virtual void SetMarkerStyle (Style_t mstyle=1)
 Set the marker style. More...
 

Protected Member Functions

virtual Int_t Fill ()
 Fill a Ntuple with current values in fArgs. More...
 
- Protected Member Functions inherited from TTree
virtual TBranchBranchImp (const char *branchname, const char *classname, TClass *ptrClass, void *addobj, Int_t bufsize, Int_t splitlevel)
 Same as TTree::Branch() with added check that addobj matches className. More...
 
virtual TBranchBranchImp (const char *branchname, TClass *ptrClass, void *addobj, Int_t bufsize, Int_t splitlevel)
 Same as TTree::Branch but automatic detection of the class name. More...
 
virtual TBranchBranchImpArr (const char *branchname, EDataType datatype, std::size_t N, void *addobj, Int_t bufsize, Int_t splitlevel)
 
virtual TBranchBranchImpRef (const char *branchname, const char *classname, TClass *ptrClass, void *addobj, Int_t bufsize, Int_t splitlevel)
 Same as TTree::Branch but automatic detection of the class name. More...
 
virtual TBranchBranchImpRef (const char *branchname, TClass *ptrClass, EDataType datatype, void *addobj, Int_t bufsize, Int_t splitlevel)
 Same as TTree::Branch but automatic detection of the class name. More...
 
virtual TBranchBronchExec (const char *name, const char *classname, void *addobj, Bool_t isptrptr, Int_t bufsize, Int_t splitlevel)
 Helper function implementing TTree::Bronch and TTree::Branch(const char *name, T &obj);. More...
 
virtual Int_t CheckBranchAddressType (TBranch *branch, TClass *ptrClass, EDataType datatype, Bool_t ptr)
 Check whether or not the address described by the last 3 parameters matches the content of the branch. More...
 
Long64_t GetCacheAutoSize (Bool_t withDefault=kFALSE) const
 Used for automatic sizing of the cache. More...
 
virtual TLeafGetLeafImpl (const char *branchname, const char *leafname)
 Return pointer to the 1st Leaf named name in any Branch of this Tree or any branch in the list of friend trees. More...
 
char GetNewlineValue (std::istream &inputStream)
 Determine which newline this file is using. More...
 
void ImportClusterRanges (TTree *fromtree)
 Appends the cluster range information stored in 'fromtree' to this tree, including the value of fAutoFlush. More...
 
virtual void KeepCircular ()
 Keep a maximum of fMaxEntries in memory. More...
 
void MoveReadCache (TFile *src, TDirectory *dir)
 Move a cache from a file to the current file in dir. More...
 
Int_t SetBranchAddressImp (TBranch *branch, void *addr, TBranch **ptr)
 Change branch address, dealing with clone trees properly. More...
 
Int_t SetCacheSizeAux (Bool_t autocache=kTRUE, Long64_t cacheSize=0)
 Set the size of the file cache and create it if possible. More...
 
- Protected Member Functions inherited from TObject
virtual void DoError (int level, const char *location, const char *fmt, va_list va) const
 Interface to ErrorHandler (protected). More...
 
void MakeZombie ()
 

Protected Attributes

Double_tfArgs
 ! [fNvar] Array of variables More...
 
Int_t fNvar
 Number of columns. More...
 
- Protected Attributes inherited from TTree
TListfAliases
 List of aliases for expressions based on the tree branches. More...
 
std::atomic< UInt_tfAllocationCount {0}
 indicates basket should be resized to exact memory usage, but causes significant More...
 
Long64_t fAutoFlush
 Auto-flush tree when fAutoFlush entries written or -fAutoFlush (compressed) bytes produced. More...
 
Long64_t fAutoSave
 Autosave tree when fAutoSave entries written or -fAutoSave (compressed) bytes produced. More...
 
TObjArray fBranches
 List of Branches. More...
 
TBranchReffBranchRef
 Branch supporting the TRefTable (if any) More...
 
Bool_t fCacheDoAutoInit
 ! true if cache auto creation or resize check is needed More...
 
Bool_t fCacheDoClusterPrefetch
 ! true if cache is prefetching whole clusters More...
 
Long64_t fCacheSize
 ! Maximum size of file buffers More...
 
Bool_t fCacheUserSet
 ! true if the cache setting was explicitly given by user More...
 
Long64_t fChainOffset
 ! Offset of 1st entry of this Tree in a TChain More...
 
TListfClones
 ! List of cloned trees which share our addresses More...
 
Long64_tfClusterRangeEnd
 [fNClusterRange] Last entry of a cluster range. More...
 
Long64_tfClusterSize
 [fNClusterRange] Number of entries in each cluster for a given range. More...
 
Int_t fDebug
 ! Debug level More...
 
Long64_t fDebugMax
 ! Last entry number to debug More...
 
Long64_t fDebugMin
 ! First entry number to debug More...
 
Int_t fDefaultEntryOffsetLen
 Initial Length of fEntryOffset table in the basket buffers. More...
 
TDirectoryfDirectory
 ! Pointer to directory holding this tree More...
 
Long64_t fEntries
 Number of entries. More...
 
TEntryListfEntryList
 ! Pointer to event selection list (if one) More...
 
Long64_t fEstimate
 Number of entries to estimate histogram limits. More...
 
TEventListfEventList
 ! Pointer to event selection list (if one) More...
 
Int_t fFileNumber
 ! current file number (if file extensions) More...
 
Long64_t fFlushedBytes
 Number of auto-flushed bytes. More...
 
UInt_t fFriendLockStatus
 ! Record which method is locking the friend recursion More...
 
TListfFriends
 pointer to list of friend elements More...
 
Bool_t fIMTEnabled
 ! true if implicit multi-threading is enabled for this tree More...
 
TArrayI fIndex
 Index of sorted values. More...
 
TArrayD fIndexValues
 Sorted index values. More...
 
TIOFeatures fIOFeatures {0}
 IO features to define for newly-written baskets and branches. More...
 
TObjArray fLeaves
 Direct pointers to individual branch leaves. More...
 
Int_t fMakeClass
 ! not zero when processing code generated by MakeClass More...
 
Int_t fMaxClusterRange
 ! Memory allocated for the cluster range. More...
 
Long64_t fMaxEntries
 Maximum number of entries in case of circular buffers. More...
 
Long64_t fMaxEntryLoop
 Maximum number of entries to process. More...
 
Long64_t fMaxVirtualSize
 Maximum total size of buffers kept in memory. More...
 
Int_t fNClusterRange
 Number of Cluster range in addition to the one defined by 'AutoFlush'. More...
 
UInt_t fNEntriesSinceSorting
 ! Number of entries processed since the last re-sorting of branches More...
 
Int_t fNfill
 ! Local for EntryLoop More...
 
TObjectfNotify
 ! Object to be notified when loading a Tree More...
 
Int_t fPacketSize
 ! Number of entries in one packet for parallel root More...
 
TVirtualPerfStatsfPerfStats
 ! pointer to the current perf stats object More...
 
TVirtualTreePlayerfPlayer
 ! Pointer to current Tree player More...
 
Long64_t fReadEntry
 ! Number of the entry being processed More...
 
Long64_t fSavedBytes
 Number of autosaved bytes. More...
 
Int_t fScanField
 Number of runs before prompting in Scan. More...
 
std::vector< TBranch * > fSeqBranches
 ! Branches to be processed sequentially when IMT is on More...
 
std::vector< std::pair< Long64_t, TBranch * > > fSortedBranches
 ! Branches to be processed in parallel when IMT is on, sorted by average task time More...
 
Float_t fTargetMemoryRatio {1.1f}
 ! Ratio for memory usage in uncompressed buffers versus actual occupancy. More...
 
Int_t fTimerInterval
 Timer interval in milliseconds. More...
 
std::atomic< Long64_tfTotalBuffers
 ! Total number of bytes in branch buffers More...
 
Long64_t fTotBytes
 Total number of bytes in all branches before compression. More...
 
TBufferfTransientBuffer
 ! Pointer to the current transient buffer. More...
 
TVirtualIndexfTreeIndex
 Pointer to the tree Index (if any) More...
 
Int_t fUpdate
 Update frequency for EntryLoop. More...
 
TListfUserInfo
 pointer to a list of user objects associated to this Tree More...
 
Double_t fWeight
 Tree weight (see TTree::SetWeight) More...
 
Long64_t fZipBytes
 Total number of bytes in all branches after compression. More...
 
- Protected Attributes inherited from TNamed
TString fName
 
TString fTitle
 
- Protected Attributes inherited from TAttLine
Color_t fLineColor
 Line color. More...
 
Style_t fLineStyle
 Line style. More...
 
Width_t fLineWidth
 Line width. More...
 
- Protected Attributes inherited from TAttFill
Color_t fFillColor
 Fill area color. More...
 
Style_t fFillStyle
 Fill area style. More...
 
- Protected Attributes inherited from TAttMarker
Color_t fMarkerColor
 Marker color. More...
 
Size_t fMarkerSize
 Marker size. More...
 
Style_t fMarkerStyle
 Marker style. More...
 

Private Member Functions

 TNtupleD (const TNtupleD &)
 
TNtupleDoperator= (const TNtupleD &)
 

Additional Inherited Members

- Public Types inherited from TTree
enum  { kSplitCollectionOfPointers = 100 }
 
enum  ESetBranchAddressStatus {
  kMissingBranch = -5, kInternalError = -4, kMissingCompiledCollectionProxy = -3, kMismatch = -2,
  kClassMismatch = -1, kMatch = 0, kMatchConversion = 1, kMatchConversionCollection = 2,
  kMakeClass = 3, kVoidPtr = 4, kNoCheck = 5
}
 
enum  EStatusBits { kForceRead = BIT(11), kCircular = BIT(12), kOnlyFlushAtCluster = BIT(14) }
 
- Public Types inherited from TObject
enum  {
  kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kInconsistent = 0x08000000,
  kBitMask = 0x00ffffff
}
 
enum  { kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) }
 
enum  EDeprecatedStatusBits { kObjInCanvas = BIT(3) }
 
enum  EStatusBits {
  kCanDelete = BIT(0), kMustCleanup = BIT(3), kIsReferenced = BIT(4), kHasUUID = BIT(5),
  kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13)
}
 
- Static Public Member Functions inherited from TTree
static Int_t GetBranchStyle ()
 Static function returning the current branch style. More...
 
static Long64_t GetMaxTreeSize ()
 Static function which returns the tree file size limit in bytes. More...
 
static TTreeMergeTrees (TList *list, Option_t *option="")
 Static function merging the trees in the TList into a new tree. More...
 
static void SetBranchStyle (Int_t style=1)
 Set the current branch style. More...
 
static void SetMaxTreeSize (Long64_t maxsize=100000000000LL)
 Set the maximum size in bytes of a Tree file (static function). More...
 
- Static Public Member Functions inherited from TObject
static Long_t GetDtorOnly ()
 Return destructor only flag. More...
 
static Bool_t GetObjectStat ()
 Get status of object stat flag. More...
 
static void SetDtorOnly (void *obj)
 Set destructor only flag. More...
 
static void SetObjectStat (Bool_t stat)
 Turn on/off tracking of objects in the TObjectTable. More...
 
- Static Public Member Functions inherited from TAttMarker
static Width_t GetMarkerLineWidth (Style_t style)
 Internal helper function that returns the line width of the given marker style (0 = filled marker) More...
 
static Style_t GetMarkerStyleBase (Style_t style)
 Internal helper function that returns the corresponding marker style with line width 1 for the given style. More...
 
- Static Public Attributes inherited from TTree
static constexpr Long64_t kMaxEntries = TVirtualTreePlayer::kMaxEntries
 
- Protected Types inherited from TTree
enum  ELockStatusBits {
  kFindBranch = BIT(0), kFindLeaf = BIT(1), kGetAlias = BIT(2), kGetBranch = BIT(3),
  kGetEntry = BIT(4), kGetEntryWithIndex = BIT(5), kGetFriend = BIT(6), kGetFriendAlias = BIT(7),
  kGetLeaf = BIT(8), kLoadTree = BIT(9), kPrint = BIT(10), kRemoveFriend = BIT(11),
  kSetBranchStatus = BIT(12)
}
 
- Static Protected Attributes inherited from TTree
static Int_t fgBranchStyle = 1
 Old/New branch style. More...
 
static Long64_t fgMaxTreeSize = 100000000000LL
 Maximum size of a file containing a Tree. More...
 

#include <TNtupleD.h>

Inheritance diagram for TNtupleD:
[legend]

Constructor & Destructor Documentation

◆ TNtupleD() [1/3]

TNtupleD::TNtupleD ( const TNtupleD )
private

◆ TNtupleD() [2/3]

TNtupleD::TNtupleD ( )

Default constructor for Ntuple.

Definition at line 44 of file TNtupleD.cxx.

◆ TNtupleD() [3/3]

TNtupleD::TNtupleD ( const char *  name,
const char *  title,
const char *  varlist,
Int_t  bufsize = 32000 
)

Create an Ntuple.

The parameter varlist describes the list of the ntuple variables separated by a colon:

Example: x:y:z:energy

For each variable in the list a separate branch is created.

NOTE:

  • Use TTree to create branches with variables of different data types.
  • Use TTree when the number of branches is large (> 100).

Definition at line 64 of file TNtupleD.cxx.

◆ ~TNtupleD()

TNtupleD::~TNtupleD ( )
virtual

Default destructor for an Ntuple.

Definition at line 103 of file TNtupleD.cxx.

Member Function Documentation

◆ Browse()

void TNtupleD::Browse ( TBrowser b)
virtual

Browse content.

Reimplemented from TTree.

Definition at line 138 of file TNtupleD.cxx.

◆ Fill() [1/3]

Int_t TNtupleD::Fill ( )
protectedvirtual

Fill a Ntuple with current values in fArgs.

Note that this function is protected. Currently called only by TChain::Merge

Reimplemented from TTree.

Definition at line 149 of file TNtupleD.cxx.

◆ Fill() [2/3]

Int_t TNtupleD::Fill ( const Double_t x)
virtual

Fill a Ntuple with an array of floats.

Definition at line 157 of file TNtupleD.cxx.

◆ Fill() [3/3]

Int_t TNtupleD::Fill ( Double_t  x0,
Double_t  x1,
Double_t  x2 = 0,
Double_t  x3 = 0,
Double_t  x4 = 0,
Double_t  x5 = 0,
Double_t  x6 = 0,
Double_t  x7 = 0,
Double_t  x8 = 0,
Double_t  x9 = 0,
Double_t  x10 = 0,
Double_t  x11 = 0,
Double_t  x12 = 0,
Double_t  x13 = 0,
Double_t  x14 = 0 
)
virtual

Fill a Ntuple: Each Ntuple item is an argument.

Definition at line 170 of file TNtupleD.cxx.

◆ GetArgs()

Double_t* TNtupleD::GetArgs ( ) const
inline

Definition at line 53 of file TNtupleD.h.

◆ GetNvar()

virtual Int_t TNtupleD::GetNvar ( ) const
inlinevirtual

Definition at line 52 of file TNtupleD.h.

◆ operator=()

TNtupleD& TNtupleD::operator= ( const TNtupleD )
private

◆ ReadStream()

Long64_t TNtupleD::ReadStream ( std::istream &  inputStream,
const char *  branchDescriptor = "",
char  delimiter = ' ' 
)
virtual

Read from filename as many columns as variables in the ntuple the function returns the number of rows found in the file The second argument "branchDescriptor" is currently not used.

Lines in the input file starting with "#" are ignored.

Reimplemented from TTree.

Definition at line 199 of file TNtupleD.cxx.

◆ ResetBranchAddress()

void TNtupleD::ResetBranchAddress ( TBranch branch)
virtual

Reset the branch addresses to the internal fArgs array.

Use this method when the addresses were changed via calls to SetBranchAddress().

Reimplemented from TTree.

Definition at line 113 of file TNtupleD.cxx.

◆ ResetBranchAddresses()

void TNtupleD::ResetBranchAddresses ( )
virtual

Reset the branch addresses to the internal fArgs array.

Use this method when the addresses were changed via calls to SetBranchAddress().

Reimplemented from TTree.

Definition at line 127 of file TNtupleD.cxx.

Member Data Documentation

◆ fArgs

Double_t* TNtupleD::fArgs
protected

! [fNvar] Array of variables

Definition at line 32 of file TNtupleD.h.

◆ fNvar

Int_t TNtupleD::fNvar
protected

Number of columns.

Definition at line 31 of file TNtupleD.h.

Libraries for TNtupleD:
[legend]

The documentation for this class was generated from the following files: