class description - source file - inheritance tree

class TNtupleD : public TTree

virtual Int_t Fill() public:
TNtupleD TNtupleD() TNtupleD TNtupleD(const char* name, const char* title, const char* varlist, Int_t bufsize = 32000) virtual void ~TNtupleD() virtual void Browse(TBrowser* b) static TClass* Class() virtual Int_t Fill(const Double_t* x) 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) Double_t* GetArgs() const virtual Int_t GetNvar() const virtual TClass* IsA() const void ResetBranchAddresses() virtual void ShowMembers(TMemberInspector& insp, char* parent) virtual void Streamer(TBuffer& b) void StreamerNVirtual(TBuffer& b)

Data Members

Int_t fNvar Number of columns Double_t* fArgs ! [fNvar] Array of variables

Class Description

 A simple tree restricted to a list of double variables only.         
 Each variable goes to a separate branch.                             
  A Ntuple is created via                                             
  It is filled via:                                                   
     TNtupleD::Fill(*x)  or                                           

TNtupleD(): TTree()
*-*-*-*-*-*Default constructor for Ntuple*-*-*-*-*-*-*-*-*-*-*-*-*-*
*-*        ==============================

TNtupleD(const char *name, const char *title, const char *varlist, Int_t bufsize) :TTree(name,title)
*-*-*-*-*-*-*-*-*-*-*-*-*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.

       Use TTree to create branches with variables of different data types.

*-*-*-*-*-*Default destructor for an Ntuple*-*-*-*-*-*-*-*-*-*-*-*
*-*        ================================

void ResetBranchAddresses()
 Reset the branch addresses to the internal fArgs array. Use this
 method when the addresses were changed via calls to SetBranchAddress().

void Browse(TBrowser *b)

Int_t Fill()
*-*-*-*-*-*-*-*-*Fill a Ntuple with current values in fArgs*-*-*-*-*-*-*
*-*              ==========================================
 Note that this function is protected.
 Currently called only by TChain::Merge

Int_t Fill(const Double_t *x)
*-*-*-*-*-*-*-*-*Fill a Ntuple with an array of floats*-*-*-*-*-*-*-*-*-*
*-*              =====================================

Int_t Fill(Double_t x0,Double_t x1,Double_t x2,Double_t x3,Double_t x4 ,Double_t x5,Double_t x6,Double_t x7,Double_t x8,Double_t x9 ,Double_t x10,Double_t x11,Double_t x12,Double_t x13,Double_t x14)
*-*-*-*-*-*-*-*-*Fill a Ntuple: Each Ntuple item is an argument*-*-*-*-*-*-*
*-*              ==============================================

void Streamer(TBuffer &b)
*-*-*-*-*-*-*-*-*Stream a class object*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*-*              =========================================

Inline Functions

              Int_t GetNvar() const
          Double_t* GetArgs() const
            TClass* Class()
            TClass* IsA() const
               void ShowMembers(TMemberInspector& insp, char* parent)
               void StreamerNVirtual(TBuffer& b)

Author: Rene Brun 12/08/2001
Last update: root/tree:$Name: $:$Id: TNtupleD.cxx,v 1.1 2001/08/12 09:00:10 brun Exp $
Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *

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