 |
ROOT 6.12/07 Reference Guide |
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ROOT 6.12/07 Reference Guide |
A simple TTree restricted to a list of float variables only.
Each variable goes to a separate branch.
A Ntuple is created via
It is filled via:
Public Member Functions | |
| TNtuple () | |
| Default constructor for Ntuple. More... | |
| TNtuple (const char *name, const char *title, const char *varlist, Int_t bufsize=32000) | |
| Create an Ntuple. More... | |
| virtual | ~TNtuple () |
| Default destructor for an Ntuple. More... | |
| virtual void | Browse (TBrowser *b) |
| Browse content of the ntuple. More... | |
| virtual TTree * | CloneTree (Long64_t nentries=-1, Option_t *option="") |
| Create a clone of this tree and copy nentries. More... | |
| virtual Int_t | Fill (const Float_t *x) |
| Fill a Ntuple with an array of floats. More... | |
| Int_t | Fill (Int_t x0) |
| Int_t | Fill (Double_t x0) |
| virtual Int_t | Fill (Float_t x0, Float_t x1=0, Float_t x2=0, Float_t x3=0, Float_t x4=0, Float_t x5=0, Float_t x6=0, Float_t x7=0, Float_t x8=0, Float_t x9=0, Float_t x10=0, Float_t x11=0, Float_t x12=0, Float_t x13=0, Float_t x14=0) |
| Fill a Ntuple: Each Ntuple item is an argument. More... | |
| Float_t * | GetArgs () 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... | |
| 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 TFriendElement * | AddFriend (const char *treename, const char *filename="") |
| Add a TFriendElement to the list of friends. More... | |
| virtual TFriendElement * | AddFriend (const char *treename, TFile *file) |
| Add a TFriendElement to the list of friends. More... | |
| virtual TFriendElement * | AddFriend (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... | |
| 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 TBranch * | Branch (const char *name, void *address, const char *leaflist, Int_t bufsize=32000) |
| Create a new TTree Branch. More... | |
| TBranch * | Branch (const char *name, char *address, const char *leaflist, Int_t bufsize=32000) |
| TBranch * | Branch (const char *name, Long_t address, const char *leaflist, Int_t bufsize=32000) |
| TBranch * | Branch (const char *name, int address, const char *leaflist, Int_t bufsize=32000) |
| virtual TBranch * | Branch (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 > | |
| TBranch * | Branch (const char *name, const char *classname, T *obj, Int_t bufsize=32000, Int_t splitlevel=99) |
| template<class T > | |
| TBranch * | Branch (const char *name, const char *classname, T **addobj, Int_t bufsize=32000, Int_t splitlevel=99) |
| template<class T > | |
| TBranch * | Branch (const char *name, T **addobj, Int_t bufsize=32000, Int_t splitlevel=99) |
| template<class T > | |
| TBranch * | Branch (const char *name, T *obj, Int_t bufsize=32000, Int_t splitlevel=99) |
| virtual TBranch * | BranchOld (const char *name, const char *classname, void *addobj, Int_t bufsize=32000, Int_t splitlevel=1) |
| Create a new TTree BranchObject. More... | |
| virtual TBranch * | BranchRef () |
| Build the optional branch supporting the TRefTable. More... | |
| virtual TBranch * | Bronch (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... | |
| TStreamerInfo * | BuildStreamerInfo (TClass *cl, void *pointer=0, Bool_t canOptimize=kTRUE) |
| Build StreamerInfo for class cl. More... | |
| virtual TFile * | ChangeFile (TFile *file) |
| Called by TTree::Fill() when file has reached its maximum fgMaxTreeSize. 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 TTree * | CopyTree (const char *selection, Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0) |
| Copy a tree with selection. More... | |
| virtual TBasket * | CreateBasket (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 TBranch * | FindBranch (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 TLeaf * | FindLeaf (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 () const |
| Write to disk all the basket that have not yet been individually written. More... | |
| virtual const char * | GetAlias (const char *aliasName) const |
| Returns the expanded value of the alias. Search in the friends if any. More... | |
| virtual Long64_t | GetAutoFlush () const |
| virtual Long64_t | GetAutoSave () const |
| virtual TBranch * | GetBranch (const char *name) |
| Return pointer to the branch with the given name in this tree or its friends. More... | |
| virtual TBranchRef * | GetBranchRef () 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 |
| TFile * | GetCurrentFile () const |
| Return pointer to the current file. More... | |
| Long64_t | GetDebugMax () const |
| Long64_t | GetDebugMin () const |
| Int_t | GetDefaultEntryOffsetLen () const |
| TDirectory * | GetDirectory () 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 TEntryList * | GetEntryList () |
| Returns the entry list, set 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) |
| TEventList * | GetEventList () const |
| virtual Int_t | GetFileNumber () const |
| virtual TTree * | GetFriend (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... | |
| TH1 * | GetHistogram () |
| virtual Bool_t | GetImplicitMT () |
| virtual Int_t * | GetIndex () |
| virtual Double_t * | GetIndexValues () |
| ROOT::TIOFeatures | GetIOFeatures () const |
| Returns the current set of IO settings. More... | |
| virtual TIterator * | GetIteratorOnAllLeaves (Bool_t dir=kIterForward) |
| Creates a new iterator that will go through all the leaves on the tree itself and its friend. More... | |
| virtual TLeaf * | GetLeaf (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 TLeaf * | GetLeaf (const char *name) |
| 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 TList * | GetListOfAliases () const |
| virtual TObjArray * | GetListOfBranches () |
| virtual TList * | GetListOfClones () |
| virtual TList * | GetListOfFriends () const |
| virtual TObjArray * | GetListOfLeaves () |
| 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 () |
| TObject * | GetNotify () const |
| virtual Int_t | GetPacketSize () const |
| virtual TVirtualPerfStats * | GetPerfStats () const |
| TVirtualTreePlayer * | GetPlayer () |
| Load the TTreePlayer (if not already done). More... | |
| virtual Long64_t | GetReadEntry () const |
| virtual Long64_t | GetReadEvent () const |
| virtual Int_t | GetScanField () const |
| TTreeFormula * | GetSelect () |
| virtual Long64_t | GetSelectedRows () |
| virtual Int_t | GetTimerInterval () const |
| virtual Long64_t | GetTotBytes () const |
| TBuffer * | GetTransientBuffer (Int_t size) |
| Returns the transient buffer currently used by this TTree for reading/writing baskets. More... | |
| virtual TTree * | GetTree () const |
| virtual TVirtualIndex * | GetTreeIndex () const |
| virtual Int_t | GetTreeNumber () const |
| virtual Int_t | GetUpdate () const |
| virtual TList * | GetUserInfo () |
| Return a pointer to the list containing user objects associated to this tree. More... | |
| virtual Double_t * | GetV1 () |
| virtual Double_t * | GetV2 () |
| virtual Double_t * | GetV3 () |
| virtual Double_t * | GetV4 () |
| virtual Double_t * | GetVal (Int_t i) |
| TTreeFormula * | GetVar (Int_t i) |
| TTreeFormula * | GetVar1 () |
| TTreeFormula * | GetVar2 () |
| TTreeFormula * | GetVar3 () |
| TTreeFormula * | GetVar4 () |
| virtual Double_t * | GetW () |
| 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... | |
| TTree & | operator= (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... | |
| TPrincipal * | Principal (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 TSQLResult * | Query (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) |
| 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 TObject * | Clone (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... | |
| TNamed & | operator= (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 () |
| Checked and record whether for 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 TObject * | DrawClone (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 TObject * | FindObject (const char *name) const |
| Must be redefined in derived classes. More... | |
| virtual TObject * | FindObject (const TObject *obj) const |
| Must be redefined in derived classes. More... | |
| virtual Option_t * | GetDrawOption () 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_t * | GetOption () 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... | |
| void * | operator new (size_t sz) |
| void * | operator new (size_t sz, void *vp) |
| void * | operator new[] (size_t sz) |
| void * | operator new[] (size_t sz, void *vp) |
| TObject & | operator= (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 TBranch * | BranchImp (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 TBranch * | BranchImp (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 TBranch * | BranchImpRef (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 TBranch * | BranchImpRef (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 TBranch * | BronchExec (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 TLeaf * | GetLeafImpl (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... | |
| TTreeCache * | GetReadCache (TFile *file, Bool_t create=kFALSE) |
| Find and return the TTreeCache registered with the file and which may contain branches for us. 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 | |
| Float_t * | fArgs |
| ! [fNvar] Array of variables More... | |
| Int_t | fNvar |
| Number of columns. More... | |
| Protected Attributes inherited from TTree | |
| TList * | fAliases |
| List of aliases for expressions based on the tree branches. 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... | |
| TBranchRef * | fBranchRef |
| 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... | |
| TList * | fClones |
| ! List of cloned trees which share our addresses More... | |
| Long64_t * | fClusterRangeEnd |
| [fNClusterRange] Last entry of a cluster range. More... | |
| Long64_t * | fClusterSize |
| [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... | |
| TDirectory * | fDirectory |
| ! Pointer to directory holding this tree More... | |
| Long64_t | fEntries |
| Number of entries. More... | |
| TEntryList * | fEntryList |
| ! Pointer to event selection list (if one) More... | |
| Long64_t | fEstimate |
| Number of entries to estimate histogram limits. More... | |
| TEventList * | fEventList |
| ! 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... | |
| TList * | fFriends |
| 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... | |
| TObject * | fNotify |
| ! Object to be notified when loading a Tree More... | |
| Int_t | fPacketSize |
| ! Number of entries in one packet for parallel root More... | |
| TVirtualPerfStats * | fPerfStats |
| ! pointer to the current perf stats object More... | |
| TVirtualTreePlayer * | fPlayer |
| ! 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... | |
| Int_t | fTimerInterval |
| Timer interval in milliseconds. More... | |
| std::atomic< Long64_t > | fTotalBuffers |
| ! Total number of bytes in branch buffers More... | |
| Long64_t | fTotBytes |
| Total number of bytes in all branches before compression. More... | |
| TBuffer * | fTransientBuffer |
| ! Pointer to the current transient buffer. More... | |
| TVirtualIndex * | fTreeIndex |
| Pointer to the tree Index (if any) More... | |
| Int_t | fUpdate |
| Update frequency for EntryLoop. More... | |
| TList * | fUserInfo |
| 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 | |
| TNtuple (const TNtuple &) | |
| TNtuple & | operator= (const TNtuple &) |
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) } |
| 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 TTree * | MergeTrees (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 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 <TNtuple.h>
|
private |
| TNtuple::TNtuple | ( | ) |
Default constructor for Ntuple.
Definition at line 47 of file TNtuple.cxx.
| TNtuple::TNtuple | ( | 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:
Definition at line 67 of file TNtuple.cxx.
|
virtual |
Default destructor for an Ntuple.
Definition at line 104 of file TNtuple.cxx.
Create a clone of this tree and copy nentries.
By default copy all entries. Note that only active branches are copied. The compression level of the cloned tree is set to the destination file's compression level.
See TTree::CloneTree for more details.
Reimplemented from TTree.
Definition at line 120 of file TNtuple.cxx.
|
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 170 of file TNtuple.cxx.
Fill a Ntuple with an array of floats.
Definition at line 178 of file TNtuple.cxx.
|
virtual |
Fill a Ntuple: Each Ntuple item is an argument.
Definition at line 192 of file TNtuple.cxx.
|
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 221 of file TNtuple.cxx.
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 134 of file TNtuple.cxx.
|
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 148 of file TNtuple.cxx.
|
protected |
ROOT 6.12/07 - Reference Guide Generated on Sat Sep 29 2018 23:44:11 (GVA Time) using Doxygen 1.8.13.