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);
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
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...
virtual void SetBuffer(Int_t buffersize, Option_t *option="")
Set the maximum number of entries to be kept in the buffer.
@ 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 Quantile x_p := Q(p) is defined as the value x_p such that the c...
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.
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.