TChain

class TChain : public TTree

    public:

                              TChain(const char* name, const char* title)
                              TChain()
                      virtual ~TChain()
                virtual Int_t Add(TChain* chain)
                virtual Int_t Add(const char* name, Int_t nentries = kBigNumber)
                virtual Int_t AddFile(const char* name, Int_t nentries)
      virtual TFriendElement* AddFriend(TTree* chain, const char* alias, Bool_t warn = kFALSE)
      virtual TFriendElement* AddFriend(const char* chainname, TFile* dummy)
      virtual TFriendElement* AddFriend(const char* chainname, const char* dummy)
                 virtual void Browse(TBrowser* b)
                 virtual void CanDeleteRefs(Bool_t flag = kTRUE)
               static TClass* Class()
                 virtual void CreatePackets()
                 virtual void Draw(Option_t* opt)
                virtual Int_t Draw(const char* varexp, const char* selection, Option_t* option, Int_t nentries = kBigNumber, Int_t firstentry = 0)
                virtual Int_t Draw(const char* varexp, const TCut& selection, Option_t* option, Int_t nentries = kBigNumber, Int_t firstentry = 0)
                virtual Int_t Fill()
          virtual const char* GetAlias(const char* aliasName) const
             virtual TBranch* GetBranch(const char* name)
                virtual Int_t GetChainEntryNumber(Int_t entry) const
             virtual Double_t GetEntries() const
                virtual Int_t GetEntry(Int_t entry = 0, Int_t getall = 0)
                       TFile* GetFile() const
               virtual TLeaf* GetLeaf(const char* name)
           virtual TObjArray* GetListOfBranches()
                   TObjArray* GetListOfFiles() const
           virtual TObjArray* GetListOfLeaves()
             virtual Double_t GetMaximum(const char* columname)
             virtual Double_t GetMinimum(const char* columname)
                virtual Int_t GetNbranches()
                        Int_t GetNtrees() const
                       TList* GetStatus() const
               virtual TTree* GetTree() const
                virtual Int_t GetTreeNumber() const
                       Int_t* GetTreeOffset() const
                        Int_t GetTreeOffsetLen() const
             virtual Double_t GetWeight() const
              virtual TClass* IsA() const
                virtual Int_t LoadTree(Int_t entry)
                 virtual void Loop(Option_t* option, Int_t nentries = kBigNumber, Int_t firstentry = 0)
                 virtual void ls(Option_t* option) const
                virtual Int_t Merge(const char* name)
                virtual Int_t Merge(TFile* file, Int_t basketsize, Option_t* option)
                 virtual void Print(Option_t* option) const
                virtual Int_t Process(TSelector* selector, Option_t* option, Int_t nentries = kBigNumber, Int_t firstentry = 0)
                virtual Int_t Process(const char* filename, Option_t* option, Int_t nentries = kBigNumber, Int_t firstentry = 0)
                 virtual void Reset(Option_t* option)
                 virtual void SetAutoDelete(Bool_t autodel = kTRUE)
                 virtual void SetBranchAddress(const char* bname, void* add)
                 virtual void SetBranchStatus(const char* bname, Bool_t status = 1)
                 virtual void SetDirectory(TDirectory* dir)
                 virtual void SetMakeClass(Int_t make)
                 virtual void SetPacketSize(Int_t size = 100)
                 virtual void SetWeight(Double_t w = 1, Option_t* option)
                 virtual void ShowMembers(TMemberInspector& insp, char* parent)
                 virtual void Streamer(TBuffer& b)
                         void StreamerNVirtual(TBuffer& b)
                 virtual void UseCache(Int_t maxCacheSize = 10, Int_t pageSize = TCache::kDfltPageSize)

Data Members

    protected:

           Int_t fTreeOffsetLen  Current size of fTreeOffset array
           Int_t fNtrees         Number of Trees
           Int_t fTreeNumber     ! Current Tree number in fTreeOffset table
          Int_t* fTreeOffset     [fTreeOffsetLen]Array of variables
           Int_t fMaxCacheSize   ! Max cache size passed to TFile's
           Int_t fPageSize       ! Cache page size passed to TFile's
          Bool_t fCanDeleteRefs  ! if true, TProcessIDs are deleted when closing a file
          TTree* fTree           ! Pointer to current tree
          TFile* fFile           ! Pointer to current file
      TObjArray* fFiles          ->  List of file names containing the Trees
          TList* fStatus         ->  List of active/inactive branches

    public:

      static const enum TChain:: kGlobalWeight  
      static const enum TChain:: kAutoDelete    
      static const enum TChain:: kBigNumber     

Class Description