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Reference Guide
TH2.h
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1// @(#)root/hist:$Id$
2// Author: Rene Brun 26/12/94
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_TH2
13#define ROOT_TH2
14
15
16//////////////////////////////////////////////////////////////////////////
17// //
18// TH2 //
19// //
20// 2-Dim histogram base class. //
21// //
22//////////////////////////////////////////////////////////////////////////
23
24#include "TH1.h"
25#include "TMatrixFBasefwd.h"
26#include "TMatrixDBasefwd.h"
27
28class TProfile;
29
30class TH2 : public TH1 {
31
32protected:
33 Double_t fScalefactor; //Scale factor
34 Double_t fTsumwy; //Total Sum of weight*Y
35 Double_t fTsumwy2; //Total Sum of weight*Y*Y
36 Double_t fTsumwxy; //Total Sum of weight*X*Y
37
38 TH2();
39 TH2(const char *name,const char *title,Int_t nbinsx,Double_t xlow,Double_t xup
40 ,Int_t nbinsy,Double_t ylow,Double_t yup);
41 TH2(const char *name,const char *title,Int_t nbinsx,const Double_t *xbins
42 ,Int_t nbinsy,Double_t ylow,Double_t yup);
43 TH2(const char *name,const char *title,Int_t nbinsx,Double_t xlow,Double_t xup
44 ,Int_t nbinsy,const Double_t *ybins);
45 TH2(const char *name,const char *title,Int_t nbinsx,const Double_t *xbins
46 ,Int_t nbinsy,const Double_t *ybins);
47 TH2(const char *name,const char *title,Int_t nbinsx,const Float_t *xbins
48 ,Int_t nbinsy,const Float_t *ybins);
49
51 virtual TH1D *DoProjection(bool onX, const char *name, Int_t firstbin, Int_t lastbin, Option_t *option) const;
52 virtual TProfile *DoProfile(bool onX, const char *name, Int_t firstbin, Int_t lastbin, Option_t *option) const;
53 virtual TH1D *DoQuantiles(bool onX, const char *name, Double_t prob) const;
54 virtual void DoFitSlices(bool onX, TF1 *f1, Int_t firstbin, Int_t lastbin, Int_t cut, Option_t *option, TObjArray* arr);
55
56 Int_t BufferFill(Double_t, Double_t) {return -2;} //may not use
57 Int_t Fill(Double_t); //MayNotUse
58 Int_t Fill(const char*, Double_t) { return Fill(0);} //MayNotUse
59
60private:
61
62 TH2(const TH2&);
63 TH2& operator=(const TH2&); // Not implemented
64
65public:
66 virtual ~TH2();
67 virtual Int_t BufferEmpty(Int_t action=0);
68 virtual void Copy(TObject &hnew) const;
69 virtual Int_t Fill(Double_t x, Double_t y);
70 virtual Int_t Fill(Double_t x, Double_t y, Double_t w);
71 virtual Int_t Fill(Double_t x, const char *namey, Double_t w);
72 virtual Int_t Fill(const char *namex, Double_t y, Double_t w);
73 virtual Int_t Fill(const char *namex, const char *namey, Double_t w);
74 virtual void FillN(Int_t, const Double_t *, const Double_t *, Int_t) {;} //MayNotUse
75 virtual void FillN(Int_t ntimes, const Double_t *x, const Double_t *y, const Double_t *w, Int_t stride=1);
76 virtual void FillRandom(const char *fname, Int_t ntimes=5000);
77 virtual void FillRandom(TH1 *h, Int_t ntimes=5000);
78 virtual Int_t FindFirstBinAbove(Double_t threshold=0, Int_t axis=1) const;
79 virtual Int_t FindLastBinAbove (Double_t threshold=0, Int_t axis=1) const;
80 virtual void FitSlicesX(TF1 *f1=0,Int_t firstybin=0, Int_t lastybin=-1, Int_t cut=0, Option_t *option="QNR", TObjArray* arr = 0);
81 virtual void FitSlicesY(TF1 *f1=0,Int_t firstxbin=0, Int_t lastxbin=-1, Int_t cut=0, Option_t *option="QNR", TObjArray* arr = 0);
82 virtual Int_t GetBin(Int_t binx, Int_t biny, Int_t binz = 0) const;
83 virtual Double_t GetBinWithContent2(Double_t c, Int_t &binx, Int_t &biny, Int_t firstxbin=1, Int_t lastxbin=-1,Int_t firstybin=1, Int_t lastybin=-1, Double_t maxdiff=0) const;
84 virtual Double_t GetBinContent(Int_t bin) const { return TH1::GetBinContent(bin); }
85 virtual Double_t GetBinContent(Int_t binx, Int_t biny) const { return TH1::GetBinContent( GetBin(binx, biny) ); }
86 virtual Double_t GetBinContent(Int_t binx, Int_t biny, Int_t) const { return TH1::GetBinContent( GetBin(binx, biny) ); }
89 virtual Double_t GetBinErrorLow(Int_t binx, Int_t biny) { return TH1::GetBinErrorLow( GetBin(binx, biny) ); }
90 virtual Double_t GetBinErrorUp(Int_t binx, Int_t biny) { return TH1::GetBinErrorUp( GetBin(binx, biny) ); }
91 virtual Double_t GetCorrelationFactor(Int_t axis1=1,Int_t axis2=2) const;
92 virtual Double_t GetCovariance(Int_t axis1=1,Int_t axis2=2) const;
93 virtual void GetRandom2(Double_t &x, Double_t &y);
94 virtual void GetStats(Double_t *stats) const;
95 virtual Double_t Integral(Option_t *option="") const;
96 //virtual Double_t Integral(Int_t, Int_t, Option_t * ="") const {return 0;}
97 using TH1::Integral;
98 virtual Double_t Integral(Int_t binx1, Int_t binx2, Int_t biny1, Int_t biny2, Option_t *option="") const;
99 virtual Double_t Integral(Int_t, Int_t, Int_t, Int_t, Int_t, Int_t, Option_t * ="") const {return 0;}
101 virtual Double_t IntegralAndError(Int_t binx1, Int_t binx2, Int_t biny1, Int_t biny2, Double_t & err, Option_t *option="") const;
105 virtual Double_t KolmogorovTest(const TH1 *h2, Option_t *option="") const;
106 virtual TH2 *RebinX(Int_t ngroup=2, const char *newname=""); // *MENU*
107 virtual TH2 *RebinY(Int_t ngroup=2, const char *newname=""); // *MENU*
108 virtual TH2 *Rebin(Int_t ngroup=2, const char*newname="", const Double_t *xbins=0); // re-implementation of the TH1 function using RebinX
109 virtual TH2 *Rebin2D(Int_t nxgroup=2, Int_t nygroup=2, const char *newname=""); // *MENU*
110 TProfile *ProfileX(const char *name="_pfx", Int_t firstybin=1, Int_t lastybin=-1, Option_t *option="") const; // *MENU*
111 TProfile *ProfileY(const char *name="_pfy", Int_t firstxbin=1, Int_t lastxbin=-1, Option_t *option="") const; // *MENU*
112 TH1D *ProjectionX(const char *name="_px", Int_t firstybin=0, Int_t lastybin=-1, Option_t *option="") const; // *MENU*
113 TH1D *ProjectionY(const char *name="_py", Int_t firstxbin=0, Int_t lastxbin=-1, Option_t *option="") const; // *MENU*
114 virtual void PutStats(Double_t *stats);
115 TH1D *QuantilesX(Double_t prob = 0.5, const char * name = "_qx" ) const;
116 TH1D *QuantilesY(Double_t prob = 0.5, const char * name = "_qy" ) const;
117 virtual void Reset(Option_t *option="");
118 virtual void SetBinContent(Int_t bin, Double_t content);
119 virtual void SetBinContent(Int_t binx, Int_t biny, Double_t content) { SetBinContent(GetBin(binx, biny), content); }
120 virtual void SetBinContent(Int_t binx, Int_t biny, Int_t, Double_t content) { SetBinContent(GetBin(binx, biny), content); }
121 virtual void SetShowProjectionX(Int_t nbins=1); // *MENU*
122 virtual void SetShowProjectionY(Int_t nbins=1); // *MENU*
123 virtual TH1 *ShowBackground(Int_t niter=20, Option_t *option="same");
124 virtual Int_t ShowPeaks(Double_t sigma=2, Option_t *option="", Double_t threshold=0.05); // *MENU*
125 virtual void Smooth(Int_t ntimes=1, Option_t *option=""); // *MENU*
126
127 ClassDef(TH2,5) //2-Dim histogram base class
128};
129
130
131//______________________________________________________________________________
132
133class TH2C : public TH2, public TArrayC {
134
135public:
136 TH2C();
137 TH2C(const char *name,const char *title,Int_t nbinsx,Double_t xlow,Double_t xup
138 ,Int_t nbinsy,Double_t ylow,Double_t yup);
139 TH2C(const char *name,const char *title,Int_t nbinsx,const Double_t *xbins
140 ,Int_t nbinsy,Double_t ylow,Double_t yup);
141 TH2C(const char *name,const char *title,Int_t nbinsx,Double_t xlow,Double_t xup
142 ,Int_t nbinsy,const Double_t *ybins);
143 TH2C(const char *name,const char *title,Int_t nbinsx,const Double_t *xbins
144 ,Int_t nbinsy,const Double_t *ybins);
145 TH2C(const char *name,const char *title,Int_t nbinsx,const Float_t *xbins
146 ,Int_t nbinsy,const Float_t *ybins);
147 TH2C(const TH2C &h2c);
148 virtual ~TH2C();
149 virtual void AddBinContent(Int_t bin);
150 virtual void AddBinContent(Int_t bin, Double_t w);
151 virtual void Copy(TObject &hnew) const;
152 virtual void Reset(Option_t *option="");
153 virtual void SetBinsLength(Int_t n=-1);
154 TH2C& operator=(const TH2C &h1);
155 friend TH2C operator*(Float_t c1, TH2C &h1);
156 friend TH2C operator*(TH2C &h1, Float_t c1) {return operator*(c1,h1);}
157 friend TH2C operator+(TH2C &h1, TH2C &h2);
158 friend TH2C operator-(TH2C &h1, TH2C &h2);
159 friend TH2C operator*(TH2C &h1, TH2C &h2);
160 friend TH2C operator/(TH2C &h1, TH2C &h2);
161
162protected:
163 virtual Double_t RetrieveBinContent(Int_t bin) const { return Double_t (fArray[bin]); }
164 virtual void UpdateBinContent(Int_t bin, Double_t content) { fArray[bin] = Char_t (content); }
165
166 ClassDef(TH2C,4) //2-Dim histograms (one char per channel)
167};
168
169
170//______________________________________________________________________________
171
172class TH2S : public TH2, public TArrayS {
173
174public:
175 TH2S();
176 TH2S(const char *name,const char *title,Int_t nbinsx,Double_t xlow,Double_t xup
177 ,Int_t nbinsy,Double_t ylow,Double_t yup);
178 TH2S(const char *name,const char *title,Int_t nbinsx,const Double_t *xbins
179 ,Int_t nbinsy,Double_t ylow,Double_t yup);
180 TH2S(const char *name,const char *title,Int_t nbinsx,Double_t xlow,Double_t xup
181 ,Int_t nbinsy,const Double_t *ybins);
182 TH2S(const char *name,const char *title,Int_t nbinsx,const Double_t *xbins
183 ,Int_t nbinsy,const Double_t *ybins);
184 TH2S(const char *name,const char *title,Int_t nbinsx,const Float_t *xbins
185 ,Int_t nbinsy,const Float_t *ybins);
186 TH2S(const TH2S &h2s);
187 virtual ~TH2S();
188 virtual void AddBinContent(Int_t bin);
189 virtual void AddBinContent(Int_t bin, Double_t w);
190 virtual void Copy(TObject &hnew) const;
191 virtual void Reset(Option_t *option="");
192 virtual void SetBinsLength(Int_t n=-1);
193 TH2S& operator=(const TH2S &h1);
194 friend TH2S operator*(Float_t c1, TH2S &h1);
195 friend TH2S operator*(TH2S &h1, Float_t c1) {return operator*(c1,h1);}
196 friend TH2S operator+(TH2S &h1, TH2S &h2);
197 friend TH2S operator-(TH2S &h1, TH2S &h2);
198 friend TH2S operator*(TH2S &h1, TH2S &h2);
199 friend TH2S operator/(TH2S &h1, TH2S &h2);
200
201protected:
202 virtual Double_t RetrieveBinContent(Int_t bin) const { return Double_t (fArray[bin]); }
203 virtual void UpdateBinContent(Int_t bin, Double_t content) { fArray[bin] = Short_t (content); }
204
205 ClassDef(TH2S,4) //2-Dim histograms (one short per channel)
206};
207
208
209//______________________________________________________________________________
210
211class TH2I : public TH2, public TArrayI {
212
213public:
214 TH2I();
215 TH2I(const char *name,const char *title,Int_t nbinsx,Double_t xlow,Double_t xup
216 ,Int_t nbinsy,Double_t ylow,Double_t yup);
217 TH2I(const char *name,const char *title,Int_t nbinsx,const Double_t *xbins
218 ,Int_t nbinsy,Double_t ylow,Double_t yup);
219 TH2I(const char *name,const char *title,Int_t nbinsx,Double_t xlow,Double_t xup
220 ,Int_t nbinsy,const Double_t *ybins);
221 TH2I(const char *name,const char *title,Int_t nbinsx,const Double_t *xbins
222 ,Int_t nbinsy,const Double_t *ybins);
223 TH2I(const char *name,const char *title,Int_t nbinsx,const Float_t *xbins
224 ,Int_t nbinsy,const Float_t *ybins);
225 TH2I(const TH2I &h2i);
226 virtual ~TH2I();
227 virtual void AddBinContent(Int_t bin);
228 virtual void AddBinContent(Int_t bin, Double_t w);
229 virtual void Copy(TObject &hnew) const;
230 virtual void Reset(Option_t *option="");
231 virtual void SetBinsLength(Int_t n=-1);
232 TH2I& operator=(const TH2I &h1);
233 friend TH2I operator*(Float_t c1, TH2I &h1);
234 friend TH2I operator*(TH2I &h1, Float_t c1) {return operator*(c1,h1);}
235 friend TH2I operator+(TH2I &h1, TH2I &h2);
236 friend TH2I operator-(TH2I &h1, TH2I &h2);
237 friend TH2I operator*(TH2I &h1, TH2I &h2);
238 friend TH2I operator/(TH2I &h1, TH2I &h2);
239
240protected:
241 virtual Double_t RetrieveBinContent(Int_t bin) const { return Double_t (fArray[bin]); }
242 virtual void UpdateBinContent(Int_t bin, Double_t content) { fArray[bin] = Int_t (content); }
243
244 ClassDef(TH2I,4) //2-Dim histograms (one 32 bits integer per channel)
245};
246
247
248//______________________________________________________________________________
249
250class TH2F : public TH2, public TArrayF {
251
252public:
253 TH2F();
254 TH2F(const char *name,const char *title,Int_t nbinsx,Double_t xlow,Double_t xup
255 ,Int_t nbinsy,Double_t ylow,Double_t yup);
256 TH2F(const char *name,const char *title,Int_t nbinsx,const Double_t *xbins
257 ,Int_t nbinsy,Double_t ylow,Double_t yup);
258 TH2F(const char *name,const char *title,Int_t nbinsx,Double_t xlow,Double_t xup
259 ,Int_t nbinsy,const Double_t *ybins);
260 TH2F(const char *name,const char *title,Int_t nbinsx,const Double_t *xbins
261 ,Int_t nbinsy,const Double_t *ybins);
262 TH2F(const char *name,const char *title,Int_t nbinsx,const Float_t *xbins
263 ,Int_t nbinsy,const Float_t *ybins);
264 TH2F(const TMatrixFBase &m);
265 TH2F(const TH2F &h2f);
266 virtual ~TH2F();
267 virtual void AddBinContent(Int_t bin) {++fArray[bin];}
268 virtual void AddBinContent(Int_t bin, Double_t w)
269 {fArray[bin] += Float_t (w);}
270 virtual void Copy(TObject &hnew) const;
271 virtual void Reset(Option_t *option="");
272 virtual void SetBinsLength(Int_t n=-1);
273 TH2F& operator=(const TH2F &h1);
274 friend TH2F operator*(Float_t c1, TH2F &h1);
275 friend TH2F operator*(TH2F &h1, Float_t c1);
276 friend TH2F operator+(TH2F &h1, TH2F &h2);
277 friend TH2F operator-(TH2F &h1, TH2F &h2);
278 friend TH2F operator*(TH2F &h1, TH2F &h2);
279 friend TH2F operator/(TH2F &h1, TH2F &h2);
280
281protected:
282 virtual Double_t RetrieveBinContent(Int_t bin) const { return Double_t (fArray[bin]); }
283 virtual void UpdateBinContent(Int_t bin, Double_t content) { fArray[bin] = Float_t (content); }
284
285 ClassDef(TH2F,4) //2-Dim histograms (one float per channel)
286};
287
288
289//______________________________________________________________________________
290
291class TH2D : public TH2, public TArrayD {
292
293public:
294 TH2D();
295 TH2D(const char *name,const char *title,Int_t nbinsx,Double_t xlow,Double_t xup
296 ,Int_t nbinsy,Double_t ylow,Double_t yup);
297 TH2D(const char *name,const char *title,Int_t nbinsx,const Double_t *xbins
298 ,Int_t nbinsy,Double_t ylow,Double_t yup);
299 TH2D(const char *name,const char *title,Int_t nbinsx,Double_t xlow,Double_t xup
300 ,Int_t nbinsy,const Double_t *ybins);
301 TH2D(const char *name,const char *title,Int_t nbinsx,const Double_t *xbins
302 ,Int_t nbinsy,const Double_t *ybins);
303 TH2D(const char *name,const char *title,Int_t nbinsx,const Float_t *xbins
304 ,Int_t nbinsy,const Float_t *ybins);
305 TH2D(const TMatrixDBase &m);
306 TH2D(const TH2D &h2d);
307 virtual ~TH2D();
308 virtual void AddBinContent(Int_t bin) {++fArray[bin];}
309 virtual void AddBinContent(Int_t bin, Double_t w)
310 {fArray[bin] += Double_t (w);}
311 virtual void Copy(TObject &hnew) const;
312 virtual void Reset(Option_t *option="");
313 virtual void SetBinsLength(Int_t n=-1);
314 TH2D& operator=(const TH2D &h1);
315 friend TH2D operator*(Float_t c1, TH2D &h1);
316 friend TH2D operator*(TH2D &h1, Float_t c1) {return operator*(c1,h1);}
317 friend TH2D operator+(TH2D &h1, TH2D &h2);
318 friend TH2D operator-(TH2D &h1, TH2D &h2);
319 friend TH2D operator*(TH2D &h1, TH2D &h2);
320 friend TH2D operator/(TH2D &h1, TH2D &h2);
321
322protected:
323 virtual Double_t RetrieveBinContent(Int_t bin) const { return fArray[bin]; }
324 virtual void UpdateBinContent(Int_t bin, Double_t content) { fArray[bin] = content; }
325
326 ClassDef(TH2D,4) //2-Dim histograms (one double per channel)
327};
328
329#endif
330
#define c(i)
Definition: RSha256.hxx:101
#define h(i)
Definition: RSha256.hxx:106
int Int_t
Definition: RtypesCore.h:41
char Char_t
Definition: RtypesCore.h:29
short Short_t
Definition: RtypesCore.h:35
double Double_t
Definition: RtypesCore.h:55
float Float_t
Definition: RtypesCore.h:53
const char Option_t
Definition: RtypesCore.h:62
#define ClassDef(name, id)
Definition: Rtypes.h:324
Array of chars or bytes (8 bits per element).
Definition: TArrayC.h:27
Char_t * fArray
Definition: TArrayC.h:30
Array of doubles (64 bits per element).
Definition: TArrayD.h:27
Double_t * fArray
Definition: TArrayD.h:30
void Reset()
Definition: TArrayD.h:47
Array of floats (32 bits per element).
Definition: TArrayF.h:27
Float_t * fArray
Definition: TArrayF.h:30
void Reset()
Definition: TArrayF.h:47
Array of integers (32 bits per element).
Definition: TArrayI.h:27
Int_t * fArray
Definition: TArrayI.h:30
void Reset()
Definition: TArrayI.h:47
Array of shorts (16 bits per element).
Definition: TArrayS.h:27
void Reset()
Definition: TArrayS.h:47
Short_t * fArray
Definition: TArrayS.h:30
1-Dim function class
Definition: TF1.h:211
1-D histogram with a double per channel (see TH1 documentation)}
Definition: TH1.h:614
The TH1 histogram class.
Definition: TH1.h:56
virtual Double_t IntegralAndError(Int_t binx1, Int_t binx2, Double_t &err, Option_t *option="") const
Return integral of bin contents in range [binx1,binx2] and its error.
Definition: TH1.cxx:7348
virtual Double_t GetBinErrorLow(Int_t bin) const
Return lower error associated to bin number bin.
Definition: TH1.cxx:8400
virtual Double_t Integral(Option_t *option="") const
Return integral of bin contents.
Definition: TH1.cxx:7321
virtual Double_t GetBinContent(Int_t bin) const
Return content of bin number bin.
Definition: TH1.cxx:4790
virtual Double_t GetBinErrorUp(Int_t bin) const
Return upper error associated to bin number bin.
Definition: TH1.cxx:8431
2-D histogram with a byte per channel (see TH1 documentation)
Definition: TH2.h:133
virtual void Reset(Option_t *option="")
Reset this histogram: contents, errors, etc.
Definition: TH2.cxx:2846
friend TH2C operator-(TH2C &h1, TH2C &h2)
Operator -.
Definition: TH2.cxx:2937
friend TH2C operator+(TH2C &h1, TH2C &h2)
Operator +.
Definition: TH2.cxx:2925
virtual void AddBinContent(Int_t bin)
Increment bin content by 1.
Definition: TH2.cxx:2816
friend TH2C operator/(TH2C &h1, TH2C &h2)
Operator /.
Definition: TH2.cxx:2961
virtual ~TH2C()
Destructor.
Definition: TH2.cxx:2737
virtual void SetBinsLength(Int_t n=-1)
Set total number of bins including under/overflow Reallocate bin contents array.
Definition: TH2.cxx:2857
TH2C()
Constructor.
Definition: TH2.cxx:2727
TH2C & operator=(const TH2C &h1)
Operator =.
Definition: TH2.cxx:2903
virtual void Copy(TObject &hnew) const
Copy.
Definition: TH2.cxx:2837
virtual void UpdateBinContent(Int_t bin, Double_t content)
Raw update of bin content on internal data structure see convention for numbering bins in TH1::GetBin...
Definition: TH2.h:164
friend TH2C operator*(Float_t c1, TH2C &h1)
Operator *.
Definition: TH2.cxx:2913
friend TH2C operator*(TH2C &h1, Float_t c1)
Definition: TH2.h:156
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: TH2.h:163
2-D histogram with a double per channel (see TH1 documentation)}
Definition: TH2.h:291
virtual void AddBinContent(Int_t bin, Double_t w)
Increment bin content by a weight w.
Definition: TH2.h:309
virtual void SetBinsLength(Int_t n=-1)
Set total number of bins including under/overflow Reallocate bin contents array.
Definition: TH2.cxx:3847
friend TH2D operator-(TH2D &h1, TH2D &h2)
Operator -.
Definition: TH2.cxx:3928
virtual void AddBinContent(Int_t bin)
Increment bin content by 1.
Definition: TH2.h:308
friend TH2D operator*(Float_t c1, TH2D &h1)
Operator *.
Definition: TH2.cxx:3904
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: TH2.h:323
virtual ~TH2D()
Destructor.
Definition: TH2.cxx:3728
friend TH2D operator/(TH2D &h1, TH2D &h2)
Operator /.
Definition: TH2.cxx:3952
virtual void Copy(TObject &hnew) const
Copy.
Definition: TH2.cxx:3827
friend TH2D operator+(TH2D &h1, TH2D &h2)
Operator +.
Definition: TH2.cxx:3916
virtual void UpdateBinContent(Int_t bin, Double_t content)
Raw update of bin content on internal data structure see convention for numbering bins in TH1::GetBin...
Definition: TH2.h:324
friend TH2D operator*(TH2D &h1, Float_t c1)
Definition: TH2.h:316
TH2D()
Constructor.
Definition: TH2.cxx:3718
TH2D & operator=(const TH2D &h1)
Operator =.
Definition: TH2.cxx:3893
2-D histogram with a float per channel (see TH1 documentation)}
Definition: TH2.h:250
TH2F()
Constructor.
Definition: TH2.cxx:3454
friend TH2F operator*(Float_t c1, TH2F &h1)
Operator *.
Definition: TH2.cxx:3638
TH2F & operator=(const TH2F &h1)
Operator =.
Definition: TH2.cxx:3628
virtual ~TH2F()
Destructor.
Definition: TH2.cxx:3464
virtual void SetBinsLength(Int_t n=-1)
Set total number of bins including under/overflow Reallocate bin contents array.
Definition: TH2.cxx:3582
virtual void Copy(TObject &hnew) const
Copy.
Definition: TH2.cxx:3562
virtual void AddBinContent(Int_t bin, Double_t w)
Increment bin content by a weight w.
Definition: TH2.h:268
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: TH2.h:282
friend TH2F operator-(TH2F &h1, TH2F &h2)
Operator -.
Definition: TH2.cxx:3674
friend TH2F operator/(TH2F &h1, TH2F &h2)
Operator /.
Definition: TH2.cxx:3698
virtual void UpdateBinContent(Int_t bin, Double_t content)
Raw update of bin content on internal data structure see convention for numbering bins in TH1::GetBin...
Definition: TH2.h:283
virtual void AddBinContent(Int_t bin)
Increment bin content by 1.
Definition: TH2.h:267
friend TH2F operator+(TH2F &h1, TH2F &h2)
Operator +.
Definition: TH2.cxx:3662
2-D histogram with an int per channel (see TH1 documentation)}
Definition: TH2.h:211
friend TH2I operator/(TH2I &h1, TH2I &h2)
Operator /.
Definition: TH2.cxx:3434
friend TH2I operator-(TH2I &h1, TH2I &h2)
Operator -.
Definition: TH2.cxx:3410
TH2I()
Constructor.
Definition: TH2.cxx:3235
virtual void Copy(TObject &hnew) const
Copy.
Definition: TH2.cxx:3345
virtual void SetBinsLength(Int_t n=-1)
Set total number of bins including under/overflow Reallocate bin contents array.
Definition: TH2.cxx:3365
virtual void UpdateBinContent(Int_t bin, Double_t content)
Raw update of bin content on internal data structure see convention for numbering bins in TH1::GetBin...
Definition: TH2.h:242
friend TH2I operator*(TH2I &h1, Float_t c1)
Definition: TH2.h:234
friend TH2I operator*(Float_t c1, TH2I &h1)
Operator *.
Definition: TH2.cxx:3386
virtual void AddBinContent(Int_t bin)
Increment bin content by 1.
Definition: TH2.cxx:3324
virtual ~TH2I()
Destructor.
Definition: TH2.cxx:3245
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: TH2.h:241
friend TH2I operator+(TH2I &h1, TH2I &h2)
Operator +.
Definition: TH2.cxx:3398
TH2I & operator=(const TH2I &h1)
Operator =.
Definition: TH2.cxx:3376
2-D histogram with a short per channel (see TH1 documentation)
Definition: TH2.h:172
virtual void SetBinsLength(Int_t n=-1)
Set total number of bins including under/overflow Reallocate bin contents array.
Definition: TH2.cxx:3111
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: TH2.h:202
TH2S & operator=(const TH2S &h1)
Operator =.
Definition: TH2.cxx:3157
friend TH2S operator+(TH2S &h1, TH2S &h2)
Operator +.
Definition: TH2.cxx:3179
TH2S()
Constructor.
Definition: TH2.cxx:2981
friend TH2S operator-(TH2S &h1, TH2S &h2)
Operator -.
Definition: TH2.cxx:3191
friend TH2S operator*(Float_t c1, TH2S &h1)
Operator *.
Definition: TH2.cxx:3167
virtual ~TH2S()
Destructor.
Definition: TH2.cxx:2991
friend TH2S operator/(TH2S &h1, TH2S &h2)
Operator /.
Definition: TH2.cxx:3215
virtual void Copy(TObject &hnew) const
Copy.
Definition: TH2.cxx:3091
friend TH2S operator*(TH2S &h1, Float_t c1)
Definition: TH2.h:195
virtual void UpdateBinContent(Int_t bin, Double_t content)
Raw update of bin content on internal data structure see convention for numbering bins in TH1::GetBin...
Definition: TH2.h:203
virtual void AddBinContent(Int_t bin)
Increment bin content by 1.
Definition: TH2.cxx:3070
Service class for 2-Dim histogram classes.
Definition: TH2.h:30
Int_t Fill(const char *, Double_t)
Increment bin with namex with a weight w.
Definition: TH2.h:58
virtual void PutStats(Double_t *stats)
Replace current statistics with the values in array stats.
Definition: TH2.cxx:2366
TH1D * ProjectionY(const char *name="_py", Int_t firstxbin=0, Int_t lastxbin=-1, Option_t *option="") const
Project a 2-D histogram into a 1-D histogram along Y.
Definition: TH2.cxx:2357
virtual Int_t BufferEmpty(Int_t action=0)
Fill histogram with all entries in the buffer.
Definition: TH2.cxx:177
virtual Double_t GetCorrelationFactor(Int_t axis1=1, Int_t axis2=2) const
Return correlation factor between axis1 and axis2.
Definition: TH2.cxx:1040
virtual TProfile * DoProfile(bool onX, const char *name, Int_t firstbin, Int_t lastbin, Option_t *option) const
Definition: TH2.cxx:1768
virtual Double_t GetBinWithContent2(Double_t c, Int_t &binx, Int_t &biny, Int_t firstxbin=1, Int_t lastxbin=-1, Int_t firstybin=1, Int_t lastybin=-1, Double_t maxdiff=0) const
compute first cell (binx,biny) in the range [firstxbin,lastxbin][firstybin,lastybin] for which diff =...
Definition: TH2.cxx:1012
TProfile * ProfileX(const char *name="_pfx", Int_t firstybin=1, Int_t lastybin=-1, Option_t *option="") const
Project a 2-D histogram into a profile histogram along X.
Definition: TH2.cxx:1991
TH1D * QuantilesY(Double_t prob=0.5, const char *name="_qy") const
Compute the Y distribution of quantiles in the other variable X name is the name of the returned hist...
Definition: TH2.cxx:2399
TProfile * ProfileY(const char *name="_pfy", Int_t firstxbin=1, Int_t lastxbin=-1, Option_t *option="") const
Project a 2-D histogram into a profile histogram along Y.
Definition: TH2.cxx:2041
virtual void Reset(Option_t *option="")
Reset this histogram: contents, errors, etc.
Definition: TH2.cxx:2484
virtual TH1D * DoQuantiles(bool onX, const char *name, Double_t prob) const
Implementation of quantiles for x or y.
Definition: TH2.cxx:2408
Int_t BufferFill(Double_t, Double_t)
accumulate arguments in buffer.
Definition: TH2.h:56
Double_t fTsumwxy
Definition: TH2.h:36
Int_t Fill(Double_t)
Invalid Fill method.
Definition: TH2.cxx:292
virtual Double_t Integral(Int_t, Int_t, Int_t, Int_t, Int_t, Int_t, Option_t *="") const
Definition: TH2.h:99
virtual TH1 * ShowBackground(Int_t niter=20, Option_t *option="same")
This function calculates the background spectrum in this histogram.
Definition: TH2.cxx:2545
virtual Int_t FindLastBinAbove(Double_t threshold=0, Int_t axis=1) const
Find last bin with content > threshold for axis (1=x, 2=y, 3=z) if no bins with content > threshold i...
Definition: TH2.cxx:725
virtual Int_t ShowPeaks(Double_t sigma=2, Option_t *option="", Double_t threshold=0.05)
Interface to TSpectrum2::Search the function finds peaks in this histogram where the width is > sigma...
Definition: TH2.cxx:2561
virtual Int_t FindFirstBinAbove(Double_t threshold=0, Int_t axis=1) const
Find first bin with content > threshold for axis (1=x, 2=y, 3=z) if no bins with content > threshold ...
Definition: TH2.cxx:695
virtual void DoFitSlices(bool onX, TF1 *f1, Int_t firstbin, Int_t lastbin, Int_t cut, Option_t *option, TObjArray *arr)
Definition: TH2.cxx:753
TH1D * QuantilesX(Double_t prob=0.5, const char *name="_qx") const
Compute the X distribution of quantiles in the other variable Y name is the name of the returned hist...
Definition: TH2.cxx:2386
virtual TH2 * RebinX(Int_t ngroup=2, const char *newname="")
Rebin only the X axis see Rebin2D.
Definition: TH2.cxx:1530
virtual void SetShowProjectionY(Int_t nbins=1)
When the mouse is moved in a pad containing a 2-d view of this histogram a second canvas shows the pr...
Definition: TH2.cxx:2532
virtual void FillRandom(const char *fname, Int_t ntimes=5000)
Fill histogram following distribution in function fname.
Definition: TH2.cxx:597
virtual Double_t GetBinErrorUp(Int_t binx, Int_t biny)
Definition: TH2.h:90
virtual TH2 * Rebin(Int_t ngroup=2, const char *newname="", const Double_t *xbins=0)
Override TH1::Rebin as TH2::RebinX Rebinning in variable binning as for TH1 is not allowed If a non-n...
Definition: TH2.cxx:1551
Double_t fScalefactor
Definition: TH2.h:33
virtual void GetStats(Double_t *stats) const
Fill the array stats from the contents of this histogram The array stats must be correctly dimensione...
Definition: TH2.cxx:1143
virtual TH1D * DoProjection(bool onX, const char *name, Int_t firstbin, Int_t lastbin, Option_t *option) const
Internal (protected) method for performing projection on the X or Y axis called by ProjectionX or Pro...
Definition: TH2.cxx:2051
Double_t fTsumwy2
Definition: TH2.h:35
virtual Double_t GetBinContent(Int_t binx, Int_t biny, Int_t) const
Definition: TH2.h:86
virtual Double_t GetCovariance(Int_t axis1=1, Int_t axis2=2) const
Return covariance between axis1 and axis2.
Definition: TH2.cxx:1058
virtual void GetRandom2(Double_t &x, Double_t &y)
Return 2 random numbers along axis x and y distributed according the cell-contents of a 2-dim histogr...
Definition: TH2.cxx:1090
virtual void Smooth(Int_t ntimes=1, Option_t *option="")
Smooth bin contents of this 2-d histogram using kernel algorithms similar to the ones used in the ras...
Definition: TH2.cxx:2590
TH2 & operator=(const TH2 &)
virtual void FillN(Int_t, const Double_t *, const Double_t *, Int_t)
Fill this histogram with an array x and weights w.
Definition: TH2.h:74
TH1D * ProjectionX(const char *name="_px", Int_t firstybin=0, Int_t lastybin=-1, Option_t *option="") const
Project a 2-D histogram into a 1-D histogram along X.
Definition: TH2.cxx:2317
virtual void FitSlicesX(TF1 *f1=0, Int_t firstybin=0, Int_t lastybin=-1, Int_t cut=0, Option_t *option="QNR", TObjArray *arr=0)
Project slices along X in case of a 2-D histogram, then fit each slice with function f1 and make a hi...
Definition: TH2.cxx:911
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
virtual Double_t Integral(Option_t *option="") const
Return integral of bin contents.
Definition: TH2.cxx:1202
virtual Double_t IntegralAndError(Int_t binx1, Int_t binx2, Int_t biny1, Int_t biny2, Double_t &err, Option_t *option="") const
Return integral of bin contents in range [firstxbin,lastxbin],[firstybin,lastybin] for a 2-D histogra...
Definition: TH2.cxx:1231
virtual Double_t KolmogorovTest(const TH1 *h2, Option_t *option="") const
Statistical test of compatibility in shape between THIS histogram and h2, using Kolmogorov test.
Definition: TH2.cxx:1358
virtual Double_t Interpolate(Double_t x)
illegal for a TH2
Definition: TH2.cxx:1240
Double_t fTsumwy
Definition: TH2.h:34
TH2()
Constructor.
Definition: TH2.cxx:60
virtual void SetBinContent(Int_t binx, Int_t biny, Double_t content)
Definition: TH2.h:119
virtual void SetShowProjectionX(Int_t nbins=1)
When the mouse is moved in a pad containing a 2-d view of this histogram a second canvas shows the pr...
Definition: TH2.cxx:2517
virtual void FitSlicesY(TF1 *f1=0, Int_t firstxbin=0, Int_t lastxbin=-1, Int_t cut=0, Option_t *option="QNR", TObjArray *arr=0)
Project slices along Y in case of a 2-D histogram, then fit each slice with function f1 and make a hi...
Definition: TH2.cxx:976
virtual Double_t GetBinContent(Int_t binx, Int_t biny) const
Definition: TH2.h:85
virtual Double_t GetBinErrorLow(Int_t binx, Int_t biny)
Definition: TH2.h:89
virtual Double_t GetBinContent(Int_t bin) const
Return content of bin number bin.
Definition: TH2.h:84
virtual TH2 * Rebin2D(Int_t nxgroup=2, Int_t nygroup=2, const char *newname="")
Rebin this histogram grouping nxgroup/nygroup bins along the xaxis/yaxis together.
Definition: TH2.cxx:1586
virtual Int_t BufferFill(Double_t x, Double_t y, Double_t w)
accumulate arguments in buffer.
Definition: TH2.cxx:251
virtual void SetBinContent(Int_t bin, Double_t content)
Set bin content.
Definition: TH2.cxx:2500
virtual ~TH2()
Destructor.
Definition: TH2.cxx:164
virtual void SetBinContent(Int_t binx, Int_t biny, Int_t, Double_t content)
Definition: TH2.h:120
virtual TH2 * RebinY(Int_t ngroup=2, const char *newname="")
Rebin only the Y axis see Rebin2D.
Definition: TH2.cxx:1540
virtual void Copy(TObject &hnew) const
Copy.
Definition: TH2.cxx:279
Linear Algebra Package.
Definition: TMatrixTBase.h:85
An array of TObjects.
Definition: TObjArray.h:37
Mother of all ROOT objects.
Definition: TObject.h:37
Profile Histogram.
Definition: TProfile.h:32
const Double_t sigma
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
TF1 * f1
Definition: legend1.C:11
auto * m
Definition: textangle.C:8