Logo ROOT   6.16/01
Reference Guide
TProfile2D.h
Go to the documentation of this file.
1// @(#)root/hist:$Id$
2// Author: Rene Brun 16/04/2000
3
4/*************************************************************************
5 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
6 * All rights reserved. *
7 * *
8 * For the licensing terms see $ROOTSYS/LICENSE. *
9 * For the list of contributors see $ROOTSYS/README/CREDITS. *
10 *************************************************************************/
11
12#ifndef ROOT_TProfile2D
13#define ROOT_TProfile2D
14
15
16//////////////////////////////////////////////////////////////////////////
17// //
18// TProfile2D //
19// //
20// Profile2D histogram class. //
21// //
22//////////////////////////////////////////////////////////////////////////
23
24#include "TH2.h"
25#include "TProfile.h"
26
27class TProfile2D : public TH2D {
28
29public:
30 friend class TProfileHelper;
31
32protected:
33 TArrayD fBinEntries; //number of entries per bin
34 EErrorType fErrorMode; //Option to compute errors
35 Double_t fZmin; //Lower limit in Z (if set)
36 Double_t fZmax; //Upper limit in Z (if set)
37 Bool_t fScaling; //!True when TProfile2D::Scale is called
38 Double_t fTsumwz; //Total Sum of weight*Z
39 Double_t fTsumwz2; //Total Sum of weight*Z*Z
40 TArrayD fBinSumw2; //Array of sum of squares of weights per bin
41 static Bool_t fgApproximate; //bin error approximation option
42
43 virtual Int_t BufferFill(Double_t, Double_t) {return -2;} //may not use
44 virtual Int_t BufferFill(Double_t, Double_t, Double_t) {return -2;} //may not use
46
47 // helper methods for the Merge unification in TProfileHelper
48 void SetBins(const Int_t* nbins, const Double_t* range) { SetBins(nbins[0], range[0], range[1],
49 nbins[1], range[2], range[3]); };
50 Int_t Fill(const Double_t* v) { return Fill(v[0], v[1], v[2], v[3]); };
51
52 virtual TProfile *DoProfile(bool onX, const char *name, Int_t firstbin, Int_t lastbin, Option_t *option) const;
53
54 using TH2::Fill;
55 Int_t Fill(Double_t, Double_t) {return TH2::Fill(0); } //MayNotUse
56
57 virtual Double_t RetrieveBinContent(Int_t bin) const { return (fBinEntries.fArray[bin] > 0) ? fArray[bin]/fBinEntries.fArray[bin] : 0; }
58 //virtual void UpdateBinContent(Int_t bin, Double_t content);
59 virtual Double_t GetBinErrorSqUnchecked(Int_t bin) const { Double_t err = GetBinError(bin); return err*err; }
60
61private:
63 Double_t *GetB2() {return (fBinSumw2.fN ? &fBinSumw2.fArray[0] : 0 ); }
64 Double_t *GetW() {return &fArray[0];}
65 Double_t *GetW2() {return &fSumw2.fArray[0];}
67 { MayNotUse("SetBins(Int_t, Double_t, Double_t"); }
68 void SetBins(Int_t, const Double_t*)
69 { MayNotUse("SetBins(Int_t, const Double_t*"); }
71 { MayNotUse("SetBins(Int_t, Double_t, Double_t, Int_t, Double_t, Double_t, Int_t, Double_t, Double_t"); }
72 void SetBins(Int_t, const Double_t *, Int_t, const Double_t *, Int_t, const Double_t *)
73 { MayNotUse("SetBins(Int_t, const Double_t*, Int_t, const Double_t*, Int_t, const Double_t*"); }
74
75public:
76 TProfile2D();
77 TProfile2D(const char *name,const char *title,Int_t nbinsx,Double_t xlow,Double_t xup
78 ,Int_t nbinsy,Double_t ylow,Double_t yup
79 ,Double_t zlow, Double_t zup,Option_t *option="");
80 TProfile2D(const char *name,const char *title,Int_t nbinsx,Double_t xlow,Double_t xup
81 ,Int_t nbinsy,Double_t ylow,Double_t yup,Option_t *option="");
82 TProfile2D(const char *name,const char *title,Int_t nbinsx,const Double_t *xbins
83 ,Int_t nbinsy,Double_t ylow,Double_t yup,Option_t *option="");
84 TProfile2D(const char *name,const char *title,Int_t nbinsx,Double_t xlow,Double_t xup
85 ,Int_t nbinsy,const Double_t *ybins,Option_t *option="");
86 TProfile2D(const char *name,const char *title,Int_t nbinsx,const Double_t *xbins
87 ,Int_t nbinsy,const Double_t *ybins,Option_t *option="");
88 TProfile2D(const TProfile2D &profile);
89 virtual ~TProfile2D();
90 virtual Bool_t Add(TF1 *h1, Double_t c1=1, Option_t *option="");
91 virtual Bool_t Add(const TH1 *h1, Double_t c1=1);
92 virtual Bool_t Add(const TH1 *h1, const TH1 *h2, Double_t c1=1, Double_t c2=1); // *MENU*
93 static void Approximate(Bool_t approx=kTRUE);
94 void BuildOptions(Double_t zmin, Double_t zmax, Option_t *option);
95 virtual Int_t BufferEmpty(Int_t action=0);
96 virtual void Copy(TObject &hnew) const;
97 virtual Bool_t Divide(TF1 *h1, Double_t c1=1);
98 virtual Bool_t Divide(const TH1 *h1);
99 virtual Bool_t Divide(const TH1 *h1, const TH1 *h2, Double_t c1=1, Double_t c2=1, Option_t *option=""); // *MENU*
100 virtual void ExtendAxis(Double_t x, TAxis *axis);
102 virtual Int_t Fill(Double_t x, const char *namey, Double_t z);
103 virtual Int_t Fill(const char *namex, Double_t y, Double_t z);
104 virtual Int_t Fill(const char *namex, const char *namey, Double_t z);
105 virtual Int_t Fill(Double_t x, Double_t y, Double_t z, Double_t w);
106 virtual Double_t GetBinContent(Int_t bin) const;
107 virtual Double_t GetBinContent(Int_t binx, Int_t biny) const {return GetBinContent(GetBin(binx,biny));}
108 virtual Double_t GetBinContent(Int_t binx, Int_t biny, Int_t) const {return GetBinContent(GetBin(binx,biny));}
109 virtual Double_t GetBinError(Int_t bin) const;
110 virtual Double_t GetBinError(Int_t binx, Int_t biny) const {return GetBinError(GetBin(binx,biny));}
111 virtual Double_t GetBinError(Int_t binx, Int_t biny, Int_t) const {return GetBinError(GetBin(binx,biny));}
112 virtual Double_t GetBinEntries(Int_t bin) const;
114 virtual TArrayD *GetBinSumw2() {return &fBinSumw2;}
115 virtual const TArrayD *GetBinSumw2() const {return &fBinSumw2;}
116 Option_t *GetErrorOption() const;
117 virtual void GetStats(Double_t *stats) const;
118 virtual Double_t GetZmin() const {return fZmin;}
119 virtual Double_t GetZmax() const {return fZmax;}
120 virtual void LabelsDeflate(Option_t *axis="X");
121 virtual void LabelsInflate(Option_t *axis="X");
122 virtual void LabelsOption(Option_t *option="h", Option_t *axis="X");
123 virtual Long64_t Merge(TCollection *list);
124 virtual Bool_t Multiply(TF1 *h1, Double_t c1=1);
125 virtual Bool_t Multiply(const TH1 *h1);
126 virtual Bool_t Multiply(const TH1 *h1, const TH1 *h2, Double_t c1=1, Double_t c2=1, Option_t *option=""); // *MENU*
127 TH2D *ProjectionXY(const char *name="_pxy", Option_t *option="e") const;
128 TProfile *ProfileX(const char *name="_pfx", Int_t firstybin=0, Int_t lastybin=-1, Option_t *option="") const; // *MENU*
129 TProfile *ProfileY(const char *name="_pfy", Int_t firstxbin=0, Int_t lastxbin=-1, Option_t *option="") const; // *MENU*
130 virtual void PutStats(Double_t *stats);
131 virtual void Reset(Option_t *option="");
132 virtual TProfile2D *Rebin2D(Int_t nxgroup=2, Int_t nygroup=2, const char *newname="");
133 virtual TProfile2D *RebinX(Int_t ngroup=2, const char *newname="");
134 virtual TProfile2D *RebinY(Int_t ngroup=2, const char *newname="");
135 virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
136 virtual void Scale(Double_t c1=1, Option_t *option="");
137 virtual void SetBinEntries(Int_t bin, Double_t w);
138 virtual void SetBins(Int_t nbinsx, Double_t xmin, Double_t xmax, Int_t nbinsy, Double_t ymin, Double_t ymax);
139 virtual void SetBins(Int_t nx, const Double_t *xBins, Int_t ny, const Double_t *yBins);
140 virtual void SetBinsLength(Int_t n=-1);
141 virtual void SetBuffer(Int_t buffersize, Option_t *option="");
142 virtual void SetErrorOption(Option_t *option=""); // *MENU*
143 virtual void Sumw2(Bool_t flag = kTRUE);
145
146 ClassDef(TProfile2D,8) //Profile2D histogram class
147};
148
149#endif
SVector< double, 2 > v
Definition: Dict.h:5
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
double Double_t
Definition: RtypesCore.h:55
long long Long64_t
Definition: RtypesCore.h:69
const Bool_t kTRUE
Definition: RtypesCore.h:87
const char Option_t
Definition: RtypesCore.h:62
#define ClassDef(name, id)
Definition: Rtypes.h:324
float xmin
Definition: THbookFile.cxx:93
float ymin
Definition: THbookFile.cxx:93
float xmax
Definition: THbookFile.cxx:93
float ymax
Definition: THbookFile.cxx:93
EErrorType
Definition: TProfile.h:28
Array of doubles (64 bits per element).
Definition: TArrayD.h:27
Double_t * fArray
Definition: TArrayD.h:30
void Reset()
Definition: TArrayD.h:47
Int_t fN
Definition: TArray.h:38
Int_t GetSize() const
Definition: TArray.h:47
Class to manage histogram axis.
Definition: TAxis.h:30
Collection abstract base class.
Definition: TCollection.h:63
1-Dim function class
Definition: TF1.h:211
The TH1 histogram class.
Definition: TH1.h:56
TArrayD fSumw2
Array of sum of squares of weights.
Definition: TH1.h:101
2-D histogram with a double per channel (see TH1 documentation)}
Definition: TH2.h:291
Int_t Fill(Double_t)
Invalid Fill method.
Definition: TH2.cxx:292
virtual Int_t GetBin(Int_t binx, Int_t biny, Int_t binz=0) const
Return Global bin number corresponding to binx,y,z.
Definition: TH2.cxx:981
Mother of all ROOT objects.
Definition: TObject.h:37
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 clas...
Definition: TObject.cxx:933
Profile2D histograms are used to display the mean value of Z and its RMS for each cell in X,...
Definition: TProfile2D.h:27
virtual Double_t GetBinError(Int_t bin) const
Return bin error of a Profile2D histogram.
Definition: TProfile2D.cxx:829
virtual TProfile2D * RebinX(Int_t ngroup=2, const char *newname="")
Rebin only the X axis.
virtual ~TProfile2D()
Default destructor for Profile2D histograms.
Definition: TProfile2D.cxx:82
Double_t fTsumwz
True when TProfile2D::Scale is called.
Definition: TProfile2D.h:38
void SetBins(Int_t, Double_t, Double_t)
Redefine x axis parameters.
Definition: TProfile2D.h:66
virtual void GetStats(Double_t *stats) const
Fill the array stats from the contents of this profile.
Definition: TProfile2D.cxx:864
Int_t Fill(const Double_t *v)
Definition: TProfile2D.h:50
virtual Double_t GetBinContent(Int_t binx, Int_t biny) const
Definition: TProfile2D.h:107
TH2D * ProjectionXY(const char *name="_pxy", Option_t *option="e") const
Project this profile2D into a 2-D histogram along X,Y.
virtual Bool_t Divide(TF1 *h1, Double_t c1=1)
Performs the operation: this = this/(c1*f1) .
Definition: TProfile2D.cxx:392
virtual Double_t GetBinError(Int_t binx, Int_t biny) const
Definition: TProfile2D.h:110
virtual Double_t GetBinContent(Int_t binx, Int_t biny, Int_t) const
Definition: TProfile2D.h:108
static void Approximate(Bool_t approx=kTRUE)
Static function, set the fgApproximate flag.
Definition: TProfile2D.cxx:254
virtual const TArrayD * GetBinSumw2() const
Definition: TProfile2D.h:115
EErrorType fErrorMode
Definition: TProfile2D.h:34
Double_t fZmin
Definition: TProfile2D.h:35
virtual Double_t GetBinError(Int_t binx, Int_t biny, Int_t) const
Definition: TProfile2D.h:111
Double_t * GetW2()
Definition: TProfile2D.h:65
virtual void SetBuffer(Int_t buffersize, Option_t *option="")
Set the buffer size in units of 8 bytes (double).
virtual void Copy(TObject &hnew) const
Copy a Profile2D histogram to a new profile2D histogram.
Definition: TProfile2D.cxx:363
Bool_t fScaling
Definition: TProfile2D.h:37
virtual Double_t GetBinEffectiveEntries(Int_t bin)
Return bin effective entries for a weighted filled Profile histogram.
Definition: TProfile2D.cxx:806
Option_t * GetErrorOption() const
Return option to compute profile2D errors.
Definition: TProfile2D.cxx:837
TArrayD fBinSumw2
Definition: TProfile2D.h:40
virtual void Scale(Double_t c1=1, Option_t *option="")
Multiply this profile2D by a constant c1.
virtual TProfile * DoProfile(bool onX, const char *name, Int_t firstbin, Int_t lastbin, Option_t *option) const
Implementation of ProfileX or ProfileY for a TProfile2D.
virtual Int_t BufferFill(Double_t, Double_t)
accumulate arguments in buffer.
Definition: TProfile2D.h:43
virtual void LabelsDeflate(Option_t *axis="X")
Reduce the number of bins for this axis to the number of bins having a label.
Definition: TProfile2D.cxx:924
Double_t * GetB2()
Definition: TProfile2D.h:63
TProfile * ProfileY(const char *name="_pfy", Int_t firstxbin=0, Int_t lastxbin=-1, Option_t *option="") const
Project a 2-D histogram into a profile histogram along X.
virtual Double_t GetBinContent(Int_t bin) const
Return bin content of a Profile2D histogram.
Definition: TProfile2D.cxx:777
void SetBins(Int_t, const Double_t *)
Redefine x axis parameters with variable bin sizes.
Definition: TProfile2D.h:68
Double_t * GetW()
Definition: TProfile2D.h:64
virtual void SetBinEntries(Int_t bin, Double_t w)
Set the number of entries in bin.
TProfile * ProfileX(const char *name="_pfx", Int_t firstybin=0, Int_t lastybin=-1, Option_t *option="") const
Project a 2-D histogram into a profile histogram along X.
TProfile2D()
Default constructor for Profile2D histograms.
Definition: TProfile2D.cxx:72
Int_t Fill(Double_t, Double_t)
Increment cell defined by x,y by 1.
Definition: TProfile2D.h:55
TArrayD fBinEntries
Definition: TProfile2D.h:33
void SetBins(const Int_t *nbins, const Double_t *range)
Definition: TProfile2D.h:48
virtual void Sumw2(Bool_t flag=kTRUE)
Create/Delete structure to store sum of squares of weights per bin.
virtual Bool_t Multiply(TF1 *h1, Double_t c1=1)
Performs the operation: this = this*c1*f1.
virtual Int_t BufferFill(Double_t, Double_t, Double_t)
accumulate arguments in buffer.
Definition: TProfile2D.h:44
virtual void LabelsInflate(Option_t *axis="X")
Double the number of bins for axis.
Definition: TProfile2D.cxx:934
virtual void PutStats(Double_t *stats)
Replace current statistics with the values in array stats.
static Bool_t fgApproximate
Definition: TProfile2D.h:41
virtual Double_t GetBinEntries(Int_t bin) const
Return bin entries of a Profile2D histogram.
Definition: TProfile2D.cxx:790
virtual Long64_t Merge(TCollection *list)
Merge all histograms in the collection in this histogram.
virtual void ExtendAxis(Double_t x, TAxis *axis)
Profile histogram is resized along axis such that x is in the axis range.
virtual TProfile2D * Rebin2D(Int_t nxgroup=2, Int_t nygroup=2, const char *newname="")
Rebin this histogram grouping nxgroup/nygroup bins along the xaxis/yaxis together.
virtual Int_t BufferEmpty(Int_t action=0)
Fill histogram with all entries in the buffer.
Definition: TProfile2D.cxx:268
virtual TProfile2D * RebinY(Int_t ngroup=2, const char *newname="")
Rebin only the Y axis.
Double_t fZmax
Definition: TProfile2D.h:36
void BuildOptions(Double_t zmin, Double_t zmax, Option_t *option)
Set Profile2D histogram structure and options.
Definition: TProfile2D.cxx:173
virtual Bool_t Add(TF1 *h1, Double_t c1=1, Option_t *option="")
Performs the operation: this = this + c1*f1 .
Definition: TProfile2D.cxx:198
Double_t fTsumwz2
Definition: TProfile2D.h:39
void SetBins(Int_t, const Double_t *, Int_t, const Double_t *, Int_t, const Double_t *)
Redefine x, y and z axis parameters with variable bin sizes.
Definition: TProfile2D.h:72
virtual Double_t GetBinErrorSqUnchecked(Int_t bin) const
Definition: TProfile2D.h:59
virtual TArrayD * GetBinSumw2()
Definition: TProfile2D.h:114
void SetBins(Int_t, Double_t, Double_t, Int_t, Double_t, Double_t, Int_t, Double_t, Double_t)
Redefine x, y and z axis parameters.
Definition: TProfile2D.h:70
virtual Double_t RetrieveBinContent(Int_t bin) const
Raw retrieval of bin content on internal data structure see convention for numbering bins in TH1::Get...
Definition: TProfile2D.h:57
Double_t GetNumberOfBins()
Definition: TProfile2D.h:144
Double_t * GetB()
Definition: TProfile2D.h:62
virtual void SetErrorOption(Option_t *option="")
Set option to compute profile2D errors.
virtual void LabelsOption(Option_t *option="h", Option_t *axis="X")
Set option(s) to draw axis with labels.
Definition: TProfile2D.cxx:952
virtual Double_t GetZmax() const
Definition: TProfile2D.h:119
virtual void SetBinsLength(Int_t n=-1)
Set total number of bins including under/overflow.
virtual Double_t GetZmin() const
Definition: TProfile2D.h:118
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save primitive as a C++ statement(s) on output stream out.
Profile Histogram.
Definition: TProfile.h:32
return c1
Definition: legend1.C:41
Double_t y[n]
Definition: legend1.C:17
Double_t x[n]
Definition: legend1.C:17
const Int_t n
Definition: legend1.C:16
TH1F * h1
Definition: legend1.C:5
return c2
Definition: legend2.C:14