294 Fill(buffer[3*i+2],buffer[3*i+3],buffer[3*i+1]);
359 Error(
"Fill",
"Invalid signature - do nothing");
683 if (!
f1) {
Error(
"FillRandom",
"Function: %s is not a TF2, is a %s",
fobj->GetName(),
fobj->IsA()->GetName());
return; }
717 if (integral[nbins] == 0 ) {
719 Error(
"FillRandom",
"Integral = zero");
return;
721 for (bin=1;bin<=nbins;bin++) integral[bin] /= integral[nbins];
724 for (loop=0;loop<
ntimes;loop++) {
756 if (!
h) {
Error(
"FillRandom",
"Null histogram");
return; }
758 Error(
"FillRandom",
"Histograms with different dimensions");
return;
761 if (
h->ComputeIntegral() == 0)
return;
766 for (loop=0;loop<
ntimes;loop++) {
767 h2->GetRandom2(
x,
y,
rng);
827 if (
npar <= 0)
return;
839 char *
name =
new char[2000];
840 char *title =
new char[2000];
849 for (ipar=0;ipar<
npar;ipar++) {
860 (*arr)[ipar] =
hlist[ipar];
887 if (
hp ==
nullptr)
continue;
892 Info(
"DoFitSlices",
"Slice %d skipped, the number of entries is zero or smaller than the given cut value, n=%f",bin,
nentries);
902 for (ipar=0;ipar<
npar;ipar++) {
910 Info(
"DoFitSlices",
"Fitted slice %d skipped, the number of fitted points is too small, n=%d",bin,
npfits);
1084 Error(
"GetBinWithContent2",
"function is only valid for 2-D histograms");
1109 Error(
"GetCorrelationFactor",
"Wrong parameters");
1127 Error(
"GetCovariance",
"Wrong parameters");
1140 if (
sumw == 0)
return 0;
1174 if (integral == 0 ) {
x = 0;
y = 0;
return;}
1316 Error(
"Interpolate",
"This function must be called with 2 arguments for a TH2");
1335 Error(
"Interpolate",
"Cannot interpolate outside histogram domain.");
1403 Error(
"Interpolate",
"This function must be called with 2 arguments for a TH2");
1438 if (h2 ==
nullptr)
return 0;
1450 Error(
"KolmogorovTest",
"Histograms must be 2-D\n");
1456 Error(
"KolmogorovTest",
"Number of channels in X is different, %d and %d\n",
ncx1,
ncx2);
1460 Error(
"KolmogorovTest",
"Number of channels in Y is different, %d and %d\n",
ncy1,
ncy2);
1471 Error(
"KolmogorovTest",
"histograms with different binning along X");
1477 Error(
"KolmogorovTest",
"histograms with different binning along Y");
1495 sum2 += h2->GetBinContent(i,
j);
1506 Error(
"KolmogorovTest",
"Integral is zero for h1=%s\n",
h1->
GetName());
1510 Error(
"KolmogorovTest",
"Integral is zero for h2=%s\n",h2->GetName());
1528 Error(
"KolmogorovTest",
"Errors are zero for both histograms\n");
1540 rsum2 +=
s2*h2->GetBinContent(i,
j);
1551 rsum2 +=
s2*h2->GetBinContent(i,
j);
1584 printf(
" Kolmo Prob h2 = %s, sum2=%g\n",h2->GetName(),
sum2);
1587 printf(
" Kolmo Probabil = %f for shape alone, =%f for normalisation alone\n",
prb1,
prb2);
1591 if (
TMath::Abs(
rsum2-1) > 0.002)
Warning(
"KolmogorovTest",
"Numerical problems with h2=%s\n",h2->GetName());
1626 if (xbins !=
nullptr) {
1627 Error(
"Rebin",
"Rebinning a 2-d histogram into variable bins is not supported (it is possible only for 1-d histograms). Return a nullptr");
1630 Info(
"Rebin",
"Rebinning only the x-axis. Use Rebin2D for rebinning both axes");
1671 Error(
"Rebin2D",
"Histogram must be TH2. This histogram has %d dimensions.",
GetDimension());
1675 Error(
"Rebin2D",
"Illegal value of nxgroup=%d",
nxgroup);
1679 Error(
"Rebin2D",
"Illegal value of nygroup=%d",
nygroup);
1893 Error(
"DoProfile",
"Histogram with name %s must be a TProfile and is a %s",
name,
h1obj->ClassName());
1902 if (xbins->fN == 0) {
1918 ((
TH2 *)
this)->GetPainter();
1924 if (bins->
fN == 0) {
2197 Error(
"DoProjection",
"Histogram with name %s must be a TH1D and is a %s",
name,
h1obj->ClassName());
2206 if (xbins->fN == 0) {
2222 ((
TH2 *)
this)->GetPainter();
2228 if (bins->
fN == 0) {
2310 double eps = 1.E-12;
2500 const char *
qtype = (
onX) ?
"qx" :
"qy";
2510 Error(
"DoQuantiles",
"Histogram with name %s must be a TH1D and is a %s",
qname.Data(),
h1obj->ClassName());
2533 TH1D * slice =
nullptr;
2539 if (slice->
GetSum() == 0)
continue;
2553 if (slice)
delete slice;
2581 if (bin < 0)
return;
2694 { 0, 0, 1, 0, 0 } };
2699 { 0, 1, 2, 1, 0 } };
2705 Warning(
"Smooth",
"Currently only ntimes=1 is supported");
2759 if ( (
xb >= 1) && (
xb <=
nx) && (
yb >= 1) && (
yb <=
ny) ) {
2772 if (
norm != 0.0 ) {
2793 if (
R__b.IsReading()) {
2911 h2c.TH2C::Copy(*
this);
2975 if (
R__b.IsReading()) {
3011 h2c.TH2C::Copy(*
this);
3023 hnew.SetDirectory(
nullptr);
3035 hnew.SetDirectory(
nullptr);
3047 hnew.SetDirectory(
nullptr);
3059 hnew.SetDirectory(
nullptr);
3071 hnew.SetDirectory(
nullptr);
3175 h2s.TH2S::Copy(*
this);
3239 if (
R__b.IsReading()) {
3275 h2s.TH2S::Copy(*
this);
3287 hnew.SetDirectory(
nullptr);
3299 hnew.SetDirectory(
nullptr);
3311 hnew.SetDirectory(
nullptr);
3323 hnew.SetDirectory(
nullptr);
3335 hnew.SetDirectory(
nullptr);
3439 h2i.TH2I::Copy(*
this);
3504 h2i.TH2I::Copy(*
this);
3516 hnew.SetDirectory(
nullptr);
3528 hnew.SetDirectory(
nullptr);
3540 hnew.SetDirectory(
nullptr);
3552 hnew.SetDirectory(
nullptr);
3564 hnew.SetDirectory(
nullptr);
3668 h2l.TH2L::Copy(*
this);
3733 h2l.TH2L::Copy(*
this);
3745 hnew.SetDirectory(
nullptr);
3757 hnew.SetDirectory(
nullptr);
3769 hnew.SetDirectory(
nullptr);
3781 hnew.SetDirectory(
nullptr);
3793 hnew.SetDirectory(
nullptr);
3896:
TH2(
"TMatrixFBase",
"",
m.GetNcols(),
m.GetColLwb(),1+
m.GetColUpb(),
m.GetNrows(),
m.GetRowLwb(),1+
m.GetRowUpb())
3917 h2f.TH2F::Copy(*
this);
3957 if (
R__b.IsReading()) {
3993 h2f.TH2F::Copy(*
this);
4005 hnew.SetDirectory(
nullptr);
4017 hnew.SetDirectory(
nullptr);
4029 hnew.SetDirectory(
nullptr);
4041 hnew.SetDirectory(
nullptr);
4053 hnew.SetDirectory(
nullptr);
4065 hnew.SetDirectory(
nullptr);
4168:
TH2(
"TMatrixDBase",
"",
m.GetNcols(),
m.GetColLwb(),1+
m.GetColUpb(),
m.GetNrows(),
m.GetRowLwb(),1+
m.GetRowUpb())
4231 if (
R__b.IsReading()) {
4281 hnew.SetDirectory(
nullptr);
4293 hnew.SetDirectory(
nullptr);
4305 hnew.SetDirectory(
nullptr);
4317 hnew.SetDirectory(
nullptr);
4329 hnew.SetDirectory(
nullptr);
short Style_t
Style number (short)
int Int_t
Signed integer 4 bytes (int)
short Color_t
Color number (short)
short Version_t
Class version identifier (short)
char Char_t
Character 1 byte (char)
float Float_t
Float 4 bytes (float)
short Short_t
Signed Short integer 2 bytes (short)
long long Long64_t
Portable signed long integer 8 bytes.
const char Option_t
Option string (const char)
ROOT::Detail::TRangeCast< T, true > TRangeDynCast
TRangeDynCast is an adapter class that allows the typed iteration through a TCollection.
Option_t Option_t TPoint TPoint const char x2
Option_t Option_t TPoint TPoint const char x1
Option_t Option_t TPoint TPoint const char y2
Option_t Option_t TPoint TPoint const char y1
TH2C operator+(TH2C const &h1, TH2C const &h2)
Operator +.
TH2C operator*(Float_t c1, TH2C const &h1)
Operator *.
TH2C operator/(TH2C const &h1, TH2C const &h2)
Operator /.
TH2C operator-(TH2C const &h1, TH2C const &h2)
Operator -.
R__EXTERN TRandom * gRandom
Array of chars or bytes (8 bits per element).
void Streamer(TBuffer &) override
Stream a TArrayC object.
void Set(Int_t n) override
Set size of this array to n chars.
Array of doubles (64 bits per element).
void Streamer(TBuffer &) override
Stream a TArrayD object.
void Set(Int_t n) override
Set size of this array to n doubles.
Array of floats (32 bits per element).
void Set(Int_t n) override
Set size of this array to n floats.
void Streamer(TBuffer &) override
Stream a TArrayF object.
Array of integers (32 bits per element).
void Set(Int_t n) override
Set size of this array to n ints.
Array of long64s (64 bits per element).
void Set(Int_t n) override
Set size of this array to n long64s.
Array of shorts (16 bits per element).
void Set(Int_t n) override
Set size of this array to n shorts.
void Streamer(TBuffer &) override
Stream a TArrayS object.
virtual Color_t GetTitleColor() const
virtual Color_t GetLabelColor() const
virtual Int_t GetNdivisions() const
virtual Color_t GetAxisColor() const
virtual void SetTitleOffset(Float_t offset=1)
Set distance between the axis and the axis title.
virtual Style_t GetTitleFont() const
virtual Float_t GetLabelOffset() const
virtual void SetAxisColor(Color_t color=1, Float_t alpha=1.)
Set color of the line axis and tick marks.
virtual void SetLabelSize(Float_t size=0.04)
Set size of axis labels.
virtual Style_t GetLabelFont() const
virtual void SetTitleFont(Style_t font=62)
Set the title font.
virtual void SetLabelOffset(Float_t offset=0.005)
Set distance between the axis and the labels.
virtual void SetLabelFont(Style_t font=62)
Set labels' font.
virtual void SetTitleSize(Float_t size=0.04)
Set size of axis title.
virtual void SetTitleColor(Color_t color=1)
Set color of axis title.
virtual Float_t GetTitleSize() const
virtual Float_t GetLabelSize() const
virtual Float_t GetTickLength() const
virtual Float_t GetTitleOffset() const
virtual void SetTickLength(Float_t length=0.03)
Set tick mark length.
virtual void SetNdivisions(Int_t n=510, Bool_t optim=kTRUE)
Set the number of divisions for this axis.
virtual void SetLabelColor(Color_t color=1, Float_t alpha=1.)
Set color of labels.
virtual Color_t GetFillColor() const
Return the fill area color.
virtual void SetFillColor(Color_t fcolor)
Set the fill area color.
virtual Color_t GetLineColor() const
Return the line color.
virtual void SetLineColor(Color_t lcolor)
Set the line color.
virtual Style_t GetMarkerStyle() const
Return the marker style.
virtual void SetMarkerColor(Color_t mcolor=1)
Set the marker color.
virtual Color_t GetMarkerColor() const
Return the marker color.
virtual void SetMarkerStyle(Style_t mstyle=1)
Set the marker style.
Class to manage histogram axis.
virtual void SetBinLabel(Int_t bin, const char *label)
Set label for bin.
Bool_t IsAlphanumeric() const
virtual Double_t GetBinCenter(Int_t bin) const
Return center of bin.
const TArrayD * GetXbins() const
void SetCanExtend(Bool_t canExtend)
virtual Int_t FindBin(Double_t x)
Find bin number corresponding to abscissa x.
virtual Double_t GetBinLowEdge(Int_t bin) const
Return low edge of bin.
virtual void Set(Int_t nbins, Double_t xmin, Double_t xmax)
Initialize axis with fix bins.
virtual Int_t FindFixBin(Double_t x) const
Find bin number corresponding to abscissa x
Int_t GetLast() const
Return last bin on the axis i.e.
virtual void ImportAttributes(const TAxis *axis)
Copy axis attributes to this.
virtual Double_t GetBinWidth(Int_t bin) const
Return bin width.
virtual Double_t GetBinUpEdge(Int_t bin) const
Return up edge of bin.
Int_t GetFirst() const
Return first bin on the axis i.e.
Buffer base class used for serializing objects.
virtual TH1 * GetHistogram() const
Return a pointer to the histogram used to visualise the function Note that this histogram is managed ...
virtual Double_t GetParError(Int_t ipar) const
Return value of parameter number ipar.
Double_t GetChisquare() const
Return the Chisquare after fitting. See ROOT::Fit::FitResult::Chi2()
virtual void SetRange(Double_t xmin, Double_t xmax)
Initialize the upper and lower bounds to draw the function.
virtual Int_t GetNpar() const
virtual Double_t Integral(Double_t a, Double_t b, Double_t epsrel=1.e-12)
IntegralOneDim or analytical integral.
virtual Int_t GetNumberFitPoints() const
virtual Double_t * GetParameters() const
virtual void GetRange(Double_t *xmin, Double_t *xmax) const
Return range of a generic N-D function.
virtual const char * GetParName(Int_t ipar) const
virtual void SetParameters(const Double_t *params)
virtual Double_t GetParameter(Int_t ipar) const
A 2-Dim function with parameters.
1-D histogram with a double per channel (see TH1 documentation)
void Reset(Option_t *option="") override
Reset.
TH1 is the base class of all histogram classes in ROOT.
Double_t * fBuffer
[fBufferSize] entry buffer
virtual Double_t GetEffectiveEntries() const
Number of effective entries of the histogram.
Int_t fNcells
Number of bins(1D), cells (2D) +U/Overflows.
void Copy(TObject &hnew) const override
Copy this histogram structure to newth1.
Double_t fTsumw
Total Sum of weights.
Double_t fTsumw2
Total Sum of squares of weights.
virtual Double_t DoIntegral(Int_t ix1, Int_t ix2, Int_t iy1, Int_t iy2, Int_t iz1, Int_t iz2, Double_t &err, Option_t *opt, Bool_t doerr=kFALSE) const
Internal function compute integral and optionally the error between the limits specified by the bin n...
Double_t fTsumwx2
Total Sum of weight*X*X.
virtual Double_t GetStdDev(Int_t axis=1) const
Returns the Standard Deviation (Sigma).
virtual Int_t GetNbinsY() const
virtual Double_t GetBinError(Int_t bin) const
Return value of error associated to bin number bin.
virtual Double_t GetMean(Int_t axis=1) const
For axis = 1,2 or 3 returns the mean value of the histogram along X,Y or Z axis.
virtual Int_t GetDimension() const
void Streamer(TBuffer &) override
Stream a class object.
@ kIsNotW
Histogram is forced to be not weighted even when the histogram is filled with weighted.
virtual Bool_t CanExtendAllAxes() const
Returns true if all axes are extendable.
virtual void Reset(Option_t *option="")
Reset this histogram: contents, errors, etc.
virtual Int_t GetNcells() const
virtual void PutStats(Double_t *stats)
Replace current statistics with the values in array stats.
TVirtualHistPainter * GetPainter(Option_t *option="")
Return pointer to painter.
virtual Int_t GetBin(Int_t binx, Int_t biny=0, Int_t binz=0) const
Return Global bin number corresponding to binx,y,z.
virtual Int_t GetNbinsX() const
Int_t fBufferSize
fBuffer size
Int_t fDimension
! Histogram dimension (1, 2 or 3 dim)
virtual void SetBinError(Int_t bin, Double_t error)
Set the bin Error Note that this resets the bin eror option to be of Normal Type and for the non-empt...
static Int_t fgBufferSize
! Default buffer size for automatic histograms
virtual Int_t Fill(Double_t x)
Increment bin with abscissa X by 1.
void Draw(Option_t *option="") override
Draw this histogram with options.
virtual Double_t GetBinErrorSqUnchecked(Int_t bin) const
virtual void SetBuffer(Int_t bufsize, Option_t *option="")
Set the maximum number of entries to be kept in the buffer.
UInt_t GetAxisLabelStatus() const
Internal function used in TH1::Fill to see which axis is full alphanumeric, i.e.
Double_t * fIntegral
! Integral of bins used by GetRandom
virtual void SetBinContent(Int_t bin, Double_t content)
Set bin content see convention for numbering bins in TH1::GetBin In case the bin number is greater th...
virtual Double_t GetBinLowEdge(Int_t bin) const
Return bin lower edge for 1D histogram.
virtual Double_t RetrieveBinContent(Int_t bin) const =0
Raw retrieval of bin content on internal data structure see convention for numbering bins in TH1::Get...
void Paint(Option_t *option="") override
Control routine to paint any kind of histograms.
virtual void ResetStats()
Reset the statistics including the number of entries and replace with values calculated from bin cont...
@ kNstat
Size of statistics data (up to TProfile3D)
Double_t fEntries
Number of entries.
virtual Double_t GetBinContent(Int_t bin) const
Return content of bin number bin.
TAxis fXaxis
X axis descriptor.
virtual void ExtendAxis(Double_t x, TAxis *axis)
Histogram is resized along axis such that x is in the axis range.
TArrayD fSumw2
Array of sum of squares of weights.
virtual Int_t GetSumw2N() const
Bool_t GetStatOverflowsBehaviour() const
virtual Int_t GetQuantiles(Int_t n, Double_t *xp, const Double_t *p=nullptr)
Compute Quantiles for this histogram.
TObject * Clone(const char *newname="") const override
Make a complete copy of the underlying object.
TAxis fYaxis
Y axis descriptor.
TVirtualHistPainter * fPainter
! Pointer to histogram painter
virtual void SetBins(Int_t nx, Double_t xmin, Double_t xmax)
Redefine x axis parameters.
virtual void Sumw2(Bool_t flag=kTRUE)
Create structure to store sum of squares of weights.
virtual void SetEntries(Double_t n)
static Bool_t fgDefaultSumw2
! Flag to call TH1::Sumw2 automatically at histogram creation time
virtual void UpdateBinContent(Int_t bin, Double_t content)=0
Raw update of bin content on internal data structure see convention for numbering bins in TH1::GetBin...
Double_t fTsumwx
Total Sum of weight*X.
virtual Double_t ComputeIntegral(Bool_t onlyPositive=false)
Compute integral (normalized cumulative sum of bins) w/o under/overflows The result is stored in fInt...
2-D histogram with a byte per channel (see TH1 documentation)
void Reset(Option_t *option="") override
Reset this histogram: contents, errors, etc.
TClass * IsA() const override
void Streamer(TBuffer &) override
Stream an object of class TH2C.
void AddBinContent(Int_t bin) override
Increment bin content by 1.
TH2C & operator=(const TH2C &h1)
Operator =.
~TH2C() override
Destructor.
void Copy(TObject &hnew) const override
Copy.
void SetBinsLength(Int_t n=-1) override
Set total number of bins including under/overflow Reallocate bin contents array.
2-D histogram with a double per channel (see TH1 documentation)
void Streamer(TBuffer &) override
Stream an object of class TH2D.
TClass * IsA() const override
void SetBinsLength(Int_t n=-1) override
Set total number of bins including under/overflow Reallocate bin contents array.
~TH2D() override
Destructor.
void Copy(TObject &hnew) const override
Copy.
TH2D & operator=(const TH2D &h1)
Operator =.
2-D histogram with a float per channel (see TH1 documentation)
TClass * IsA() const override
TH2F & operator=(const TH2F &h1)
Operator =.
~TH2F() override
Destructor.
void Copy(TObject &hnew) const override
Copy.
void Streamer(TBuffer &) override
Stream an object of class TH2F.
void SetBinsLength(Int_t n=-1) override
Set total number of bins including under/overflow Reallocate bin contents array.
2-D histogram with an int per channel (see TH1 documentation)
void Copy(TObject &hnew) const override
Copy.
void AddBinContent(Int_t bin) override
Increment bin content by 1.
~TH2I() override
Destructor.
TH2I & operator=(const TH2I &h1)
Operator =.
void SetBinsLength(Int_t n=-1) override
Set total number of bins including under/overflow Reallocate bin contents array.
2-D histogram with a long64 per channel (see TH1 documentation)
TH2L & operator=(const TH2L &h1)
Operator =.
void SetBinsLength(Int_t n=-1) override
Set total number of bins including under/overflow Reallocate bin contents array.
~TH2L() override
Destructor.
void Copy(TObject &hnew) const override
Copy.
void AddBinContent(Int_t bin) override
Increment bin content by 1.
2-D histogram with a short per channel (see TH1 documentation)
void AddBinContent(Int_t bin) override
Increment bin content by 1.
~TH2S() override
Destructor.
TH2S & operator=(const TH2S &h1)
Operator =.
void Copy(TObject &hnew) const override
Copy.
void Streamer(TBuffer &) override
Stream an object of class TH2S.
void SetBinsLength(Int_t n=-1) override
Set total number of bins including under/overflow Reallocate bin contents array.
TClass * IsA() const override
Service class for 2-D histogram classes.
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.
void GetStats(Double_t *stats) const override
Fill the array stats from the contents of this histogram The array stats must be correctly dimensione...
Int_t ShowPeaks(Double_t sigma=2, Option_t *option="", Double_t threshold=0.05) override
Interface to TSpectrum2::Search the function finds peaks in this histogram where the width is > sigma...
virtual Double_t GetCorrelationFactor(Int_t axis1=1, Int_t axis2=2) const
Return correlation factor between axis1 and axis2.
void FillRandom(TF1 *f1, Int_t ntimes=5000, TRandom *rng=nullptr) override
Fill histogram following distribution in function fname.
virtual TProfile * DoProfile(bool onX, const char *name, Int_t firstbin, Int_t lastbin, Option_t *option) const
Double_t KolmogorovTest(const TH1 *h2, Option_t *option="") const override
Statistical test of compatibility in shape between THIS histogram and h2, using Kolmogorov test.
virtual void FitSlicesY(TF1 *f1=nullptr, Int_t firstxbin=0, Int_t lastxbin=-1, Int_t cut=0, Option_t *option="QNR", TObjArray *arr=nullptr)
Project slices along Y in case of a 2-D histogram, then fit each slice with function f1 and make a hi...
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 =...
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.
TH2 * Rebin(Int_t ngroup=2, const char *newname="", const Double_t *xbins=nullptr) override
Override TH1::Rebin as TH2::RebinX Rebinning in variable binning as for TH1 is not allowed If a non-n...
void FillN(Int_t, const Double_t *, const Double_t *, Int_t) override
Fill this histogram with an array x and weights w.
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...
void AddBinContent(Int_t binx, Int_t biny)
Increment 2D bin content by 1.
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.
void Copy(TObject &hnew) const override
Copy.
virtual TH1D * DoQuantiles(bool onX, const char *name, Double_t prob) const
Implementation of quantiles for x or y.
Double_t fTsumwxy
Total Sum of weight*X*Y.
void SetBinContent(Int_t bin, Double_t content) override
Set bin content.
Int_t BufferEmpty(Int_t action=0) override
Fill histogram with all entries in the buffer.
virtual void DoFitSlices(bool onX, TF1 *f1, Int_t firstbin, Int_t lastbin, Int_t cut, Option_t *option, TObjArray *arr)
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...
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...
TClass * IsA() const override
void Reset(Option_t *option="") override
Reset this histogram: contents, errors, etc.
Double_t fScalefactor
Scale factor.
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...
TH2 * RebinX(Int_t ngroup=2, const char *newname="") override
Rebin only the X axis see Rebin2D.
Double_t fTsumwy2
Total Sum of weight*Y*Y.
virtual void GetRandom2(Double_t &x, Double_t &y, TRandom *rng=nullptr)
Return 2 random numbers along axis x and y distributed according to the cell-contents of this 2-D his...
virtual Double_t GetCovariance(Int_t axis1=1, Int_t axis2=2) const
Return covariance between axis1 and axis2.
Int_t GetBin(Int_t binx, Int_t biny, Int_t binz=0) const override
Return Global bin number corresponding to binx,y,z.
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.
void Smooth(Int_t ntimes=1, Option_t *option="") override
Smooth bin contents of this 2-d histogram using kernel algorithms similar to the ones used in the ras...
~TH2() override
Destructor.
Double_t GetBinContent(Int_t binx, Int_t biny) const override
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...
Double_t fTsumwy
Total Sum of weight*Y.
TH2()
2-D histogram default constructor.
Double_t Interpolate(Double_t x) const override
illegal for a TH2
TH1 * ShowBackground(Int_t niter=20, Option_t *option="same") override
This function calculates the background spectrum in this histogram.
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...
void Streamer(TBuffer &) override
Stream an object of class TH2.
Int_t Fill(Double_t) override
Invalid Fill method.
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.
virtual void FitSlicesX(TF1 *f1=nullptr, Int_t firstybin=0, Int_t lastybin=-1, Int_t cut=0, Option_t *option="QNR", TObjArray *arr=nullptr)
Project slices along X in case of a 2-D histogram, then fit each slice with function f1 and make a hi...
virtual Int_t BufferFill(Double_t x, Double_t y, Double_t w)
accumulate arguments in buffer.
virtual void SetShowProjectionXY(Int_t nbinsY=1, Int_t nbinsX=1)
When the mouse is moved in a pad containing a 2-d view of this histogram two canvases show the projec...
Double_t Integral(Option_t *option="") const override
Return integral of bin contents.
void PutStats(Double_t *stats) override
Replace current statistics with the values in array stats.
virtual TH2 * RebinY(Int_t ngroup=2, const char *newname="")
Rebin only the Y axis see Rebin2D.
static THLimitsFinder * GetLimitsFinder()
Return pointer to the current finder.
THashList implements a hybrid collection class consisting of a hash table and a list to store TObject...
const char * GetName() const override
Returns name of object.
const char * GetTitle() const override
Returns title of object.
Collectable string class.
Mother of all ROOT objects.
R__ALWAYS_INLINE Bool_t TestBit(UInt_t f) const
virtual void Warning(const char *method, const char *msgfmt,...) const
Issue warning message.
void SetBit(UInt_t f, Bool_t set)
Set or unset the user status bits as specified in f.
virtual void Error(const char *method, const char *msgfmt,...) const
Issue error message.
virtual void Info(const char *method, const char *msgfmt,...) const
Issue info message.
This is the base class for the ROOT Random number generators.
Double_t Rndm() override
Machine independent random number generator.
void ToLower()
Change string to lower-case.
Ssiz_t First(char c) const
Find first occurrence of a character c.
const char * Data() const
TString & ReplaceAll(const TString &s1, const TString &s2)
void ToUpper()
Change string to upper case.
TString & Remove(Ssiz_t pos)
static TString Format(const char *fmt,...)
Static method which formats a string using a printf style format descriptor and return a TString.
Bool_t Contains(const char *pat, ECaseCompare cmp=kExact) const
Ssiz_t Index(const char *pat, Ssiz_t i=0, ECaseCompare cmp=kExact) const
virtual void SetShowProjection(const char *option, Int_t nbins)=0
virtual Int_t MakeCuts(char *cutsopt)=0
virtual Bool_t IsInside(Int_t x, Int_t y)=0
virtual void SetShowProjectionXY(const char *option, Int_t nbinsY, Int_t nbinsX)=0
small helper class to store/restore gPad context in TPad methods
Double_t Gaus(Double_t x, Double_t mean=0, Double_t sigma=1, Bool_t norm=kFALSE)
Calculates a gaussian function with mean and sigma.
Short_t Max(Short_t a, Short_t b)
Returns the largest of a and b.
Double_t Prob(Double_t chi2, Int_t ndf)
Computation of the probability for a certain Chi-squared (chi2) and number of degrees of freedom (ndf...
Double_t QuietNaN()
Returns a quiet NaN as defined by IEEE 754.
Double_t Floor(Double_t x)
Rounds x downward, returning the largest integral value that is not greater than x.
Double_t Log(Double_t x)
Returns the natural logarithm of x.
Double_t Sqrt(Double_t x)
Returns the square root of x.
Double_t KolmogorovProb(Double_t z)
Calculates the Kolmogorov distribution function,.
Long64_t BinarySearch(Long64_t n, const T *array, T value)
Binary search in an array of n values to locate value.
Short_t Abs(Short_t d)
Returns the absolute value of parameter Short_t d.