// @(#)root/tree:$Name: $:$Id: TTree.h,v 1.24 2001/02/02 16:35:23 brun Exp $ // Author: Rene Brun 12/01/96 /************************************************************************* * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. * * All rights reserved. * * * * For the licensing terms see $ROOTSYS/LICENSE. * * For the list of contributors see $ROOTSYS/README/CREDITS. * *************************************************************************/ #ifndef ROOT_TTree #define ROOT_TTree ////////////////////////////////////////////////////////////////////////// // // // TTree // // // // A TTree object is a list of TBranch. // // To Create a TTree object one must: // // - Create the TTree header via the TTree constructor // // - Call the TBranch constructor for every branch. // // // // To Fill this object, use member function Fill with no parameters. // // The Fill function loops on all defined TBranch. // // // ////////////////////////////////////////////////////////////////////////// #ifndef ROOT_TNamed #include "TNamed.h" #endif #ifndef ROOT_TObjArray #include "TObjArray.h" #endif #ifndef ROOT_TClonesArray #include "TClonesArray.h" #endif #ifndef ROOT_TAttLine #include "TAttLine.h" #endif #ifndef ROOT_TAttFill #include "TAttFill.h" #endif #ifndef ROOT_TAttMarker #include "TAttMarker.h" #endif #ifndef ROOT_TBranch #include "TBranch.h" #endif #ifndef ROOT_TCut #include "TCut.h" #endif #ifndef ROOT_TArrayD #include "TArrayD.h" #endif #ifndef ROOT_TArrayI #include "TArrayI.h" #endif #ifndef ROOT_TVirtualTreePlayer #include "TVirtualTreePlayer.h" #endif class TBrowser; class TFile; class TDirectory; class TLeaf; class TH1; class TTreeFormula; class TPolyMarker; class TEventList; class TSQLResult; class TSelector; class TPrincipal; class TTree : public TNamed, public TAttLine, public TAttFill, public TAttMarker { protected: Stat_t fEntries; // Number of entries Stat_t fTotBytes; // Total number of bytes in all branches before compression Stat_t fZipBytes; // Total number of bytes in all branches after compression Stat_t fSavedBytes; // Number of autosaved bytes Int_t fTimerInterval; // Timer interval in milliseconds Int_t fScanField; // Number of runs before prompting in Scan Int_t fUpdate; // Update frequency for EntryLoop Int_t fMaxEntryLoop; // Maximum number of entries to process Int_t fMaxVirtualSize; // Maximum total size of buffers kept in memory Int_t fAutoSave; // Autosave tree when fAutoSave bytes produced Int_t fEstimate; // Number of entries to estimate histogram limits Int_t fChainOffset; //! Offset of 1st entry of this Tree in a TChain Int_t fReadEntry; //! Number of the entry being processed Int_t fTotalBuffers; //! Total number of bytes in branch buffers Int_t fPacketSize; //! Number of entries in one packet for parallel root Int_t fNfill; //! Local for EntryLoop TDirectory *fDirectory; //! Pointer to directory holding this tree TObjArray fBranches; // List of Branches TObjArray fLeaves; // Direct pointers to individual branch leaves TEventList *fEventList; //! Pointer to event selection list (if one) TArrayD fIndexValues; // Sorted index values TArrayI fIndex; // Index of sorted values TVirtualTreePlayer *fPlayer; //! Pointer to current Tree player protected: const char *GetNameByIndex(TString &varexp, Int_t *index,Int_t colindex) const; virtual void MakeIndex(TString &varexp, Int_t *index); public: // TTree status bits enum { kForceRead = BIT(11) }; TTree(); TTree(const char *name, const char *title, Int_t maxvirtualsize=0); virtual ~TTree(); virtual void AddTotBytes(Int_t tot) {fTotBytes += tot;} virtual void AddZipBytes(Int_t zip) {fZipBytes += zip;} virtual void AutoSave(); virtual Int_t Branch(TList *list, Int_t bufsize=32000); virtual TBranch *Branch(const char *name, void *address, const char *leaflist, Int_t bufsize=32000); virtual TBranch *Branch(const char *name, void *clonesaddress, Int_t bufsize=32000, Int_t splitlevel=1); virtual TBranch *Branch(const char *name, const char *classname, void *addobj, Int_t bufsize=32000, Int_t splitlevel=1); virtual TBranch *Bronch(const char *name, const char *classname, void *addobj, Int_t bufsize=32000, Int_t splitlevel=1); virtual void Browse(TBrowser *b); virtual void BuildIndex(const char *majorname, const char *minorname); TStreamerInfo *BuildStreamerInfo(TClass *cl, void *pointer=0); virtual TTree *CloneTree(Int_t nentries=-1, Option_t *option=""); virtual Int_t CopyEntries(TTree *tree, Int_t nentries=-1); virtual TTree *CopyTree(const char *selection, Option_t *option="" ,Int_t nentries=1000000000, Int_t firstentry=0); virtual void Delete(Option_t *option=""); // *MENU* virtual void Draw(Option_t *opt); virtual Int_t Draw(const char *varexp, TCut selection, Option_t *option="" ,Int_t nentries=1000000000, Int_t firstentry=0); virtual Int_t Draw(const char *varexp, const char *selection, Option_t *option="" ,Int_t nentries=1000000000, Int_t firstentry=0); // *MENU* virtual void DropBuffers(Int_t nbytes); virtual Int_t Fill(); virtual Int_t Fit(const char *funcname ,const char *varexp, const char *selection="",Option_t *option="" ,Option_t *goption="" ,Int_t nentries=1000000000, Int_t firstentry=0); // *MENU* virtual TBranch *GetBranch(const char *name); virtual Int_t GetChainEntryNumber(Int_t entry) const {return entry;} virtual Int_t GetChainOffset() const { return fChainOffset; } TFile *GetCurrentFile() const; TDirectory *GetDirectory() const {return fDirectory;} virtual Stat_t GetEntries() const {return fEntries;} virtual Int_t GetEstimate() const { return fEstimate; } virtual Int_t GetEntry(Int_t entry=0, Int_t getall=0); Int_t GetEvent(Int_t entry=0, Int_t getall=0) {return GetEntry(entry,getall);} virtual Int_t GetEntryWithIndex(Int_t major, Int_t minor); virtual Int_t GetEntryNumberWithBestIndex(Int_t major, Int_t minor) const; virtual Int_t GetEntryNumberWithIndex(Int_t major, Int_t minor) const; TEventList *GetEventList() const {return fEventList;} virtual Int_t GetEntryNumber(Int_t entry) const; TH1 *GetHistogram() {return GetPlayer()->GetHistogram();} virtual Int_t *GetIndex() {return &fIndex.fArray[0];} virtual Double_t *GetIndexValues() {return &fIndexValues.fArray[0];} virtual TLeaf *GetLeaf(const char *name); virtual TObjArray *GetListOfBranches() {return &fBranches;} virtual TObjArray *GetListOfLeaves() {return &fLeaves;} virtual Int_t GetMaxEntryLoop() const {return fMaxEntryLoop;} virtual Double_t GetMaximum(const char *columname); virtual Double_t GetMinimum(const char *columname); virtual Int_t GetMaxVirtualSize() const {return fMaxVirtualSize;} virtual Int_t GetNbranches() {return fBranches.GetEntriesFast();} TVirtualTreePlayer *GetPlayer(); virtual Int_t GetPacketSize() const {return fPacketSize;} virtual Int_t GetReadEntry() const {return fReadEntry;} virtual Int_t GetReadEvent() const {return fReadEntry;} virtual Int_t GetScanField() const {return fScanField;} TTreeFormula *GetSelect() {return GetPlayer()->GetSelect();} virtual Int_t GetSelectedRows() {return GetPlayer()->GetSelectedRows();} virtual Int_t GetTimerInterval() const {return fTimerInterval;} virtual TTree *GetTree() const {return (TTree*)this;} virtual Int_t GetUpdate() const {return fUpdate;} virtual Int_t GetTreeNumber() const {return 0;} TTreeFormula *GetVar1() {return GetPlayer()->GetVar1();} TTreeFormula *GetVar2() {return GetPlayer()->GetVar2();} TTreeFormula *GetVar3() {return GetPlayer()->GetVar3();} TTreeFormula *GetVar4() {return GetPlayer()->GetVar4();} virtual Double_t *GetV1() {return GetPlayer()->GetV1();} virtual Double_t *GetV2() {return GetPlayer()->GetV2();} virtual Double_t *GetV3() {return GetPlayer()->GetV3();} virtual Double_t *GetW() {return GetPlayer()->GetW();} virtual Stat_t GetTotBytes() const {return fTotBytes;} virtual Stat_t GetZipBytes() const {return fZipBytes;} virtual void IncrementTotalBuffers(Int_t nbytes) {fTotalBuffers += nbytes;} Bool_t IsFolder() const {return kTRUE;} virtual Int_t LoadTree(Int_t entry); virtual void Loop(Option_t *option="",Int_t nentries=1000000000, Int_t firstentry=0); // *MENU* virtual Int_t MakeClass(const char *classname=0,Option_t *option=""); virtual Int_t MakeCode(const char *filename=0); virtual Int_t MakeSelector(const char *selector=0); Bool_t MemoryFull(Int_t nbytes); TPrincipal *Principal(const char *varexp="", const char *selection="", Option_t *option="np" ,Int_t nentries=1000000000, Int_t firstentry=0); virtual void Print(Option_t *option="") const; // *MENU* virtual Int_t Process(const char *filename,Option_t *option="", Int_t nentries=1000000000, Int_t firstentry=0); // *MENU* virtual Int_t Process(TSelector *selector, Option_t *option="", Int_t nentries=1000000000, Int_t firstentry=0); virtual Int_t Project(const char *hname, const char *varexp, const char *selection="", Option_t *option="" ,Int_t nentries=1000000000, Int_t firstentry=0); virtual TSQLResult *Query(const char *varexp="", const char *selection="", Option_t *option="" ,Int_t nentries=1000000000, Int_t firstentry=0); virtual void Reset(Option_t *option=""); virtual Int_t Scan(const char *varexp="", const char *selection="", Option_t *option="" ,Int_t nentries=1000000000, Int_t firstentry=0); // *MENU* virtual void SetAutoSave(Int_t autos=10000000) {fAutoSave=autos;} virtual void SetBasketSize(const char *bname,Int_t buffsize=16000); virtual void SetBranchAddress(const char *bname,void *add); virtual void SetBranchStatus(const char *bname,Bool_t status=1); virtual void SetChainOffset(Int_t offset=0) {fChainOffset=offset;} virtual void SetDirectory(TDirectory *dir); virtual void SetEstimate(Int_t nentries=10000); virtual void SetEventList(TEventList *list) {fEventList = list;} virtual void SetMaxEntryLoop(Int_t maxev=1000000000) {fMaxEntryLoop = maxev;} // *MENU* virtual void SetMaxVirtualSize(Int_t size=0) {fMaxVirtualSize = size;} // *MENU* virtual void SetName(const char *name); // *MENU* virtual void SetObject(const char *name, const char *title); virtual void SetScanField(Int_t n=50) {fScanField = n;} // *MENU* virtual void SetTimerInterval(Int_t msec=333) {fTimerInterval=msec;} virtual void SetUpdate(Int_t freq=0) {fUpdate = freq;} virtual void Show(Int_t entry=-1); virtual void StartViewer(); // *MENU* virtual Int_t UnbinnedFit(const char *funcname ,const char *varexp, const char *selection="",Option_t *option="" ,Int_t nentries=1000000000, Int_t firstentry=0); void UseCurrentStyle(); ClassDef(TTree,5) //Tree descriptor (the main ROOT I/O class) }; inline void TTree::Draw(Option_t *opt) { Draw(opt, "", "", 1000000000, 0); } #endif