TH2Poly Class Reference

2D Histogram with Polygonal Bins

Overview

TH2Poly is a 2D Histogram class (TH2) allowing to define polygonal bins of arbitrary shape.

Each bin in the TH2Poly histogram is a TH2PolyBin object. TH2PolyBin is a very simple class containing the vertices (stored as TGraphs or TMultiGraphs ) and contents of the polygonal bin as well as several related functions.

Essentially, a TH2Poly is a TList of TH2PolyBin objects with methods to manipulate them.

Bins are defined using one of the AddBin() methods. The bin definition should be done before filling.

The histogram can be filled with Fill(Double_t x, Double_t y, Double_t w) . w is the weight. If no weight is specified, it is assumed to be 1.

Not all histogram's area need to be binned. Filling an area without bins, will falls into the overflows. Adding a bin is not retroactive; it doesn't affect previous fillings. A Fill() call, that was previously ignored due to the lack of a bin at the specified location, is not reconsidered when that location is binned later.

If there are two overlapping bins, the first one in the list will be incremented by Fill().

The histogram may automatically extends its limits if a bin outside the histogram limits is added. This is done when the default constructor (with no arguments) is used. It generates a histogram with no limits along the X and Y axis. Adding bins to it will extend it up to a proper size.

TH2Poly implements a partitioning algorithm to speed up bins' filling. The partitioning algorithm divides the histogram into regions called cells. The bins that each cell intersects are recorded in an array of TLists. When a coordinate in the histogram is to be filled; the method (quickly) finds which cell the coordinate belongs. It then only loops over the bins intersecting that cell to find the bin the input coordinate corresponds to. The partitioning of the histogram is updated continuously as each bin is added. The default number of cells on each axis is 25. This number could be set to another value in the constructor or adjusted later by calling the ChangePartition(Int_t, Int_t) method. The partitioning algorithm is considerably faster than the brute force algorithm (i.e. checking if each bin contains the input coordinates), especially if the histogram is to be filled many times.

The following very simple macro shows how to build and fill a TH2Poly:

{
    TH2Poly *h2p = new TH2Poly();

    Double_t x1[] = {0, 5, 6};
    Double_t y1[] = {0, 0, 5};
    Double_t x2[] = {0, -1, -1, 0};
    Double_t y2[] = {0, 0, -1, 3};
    Double_t x3[] = {4, 3, 0, 1, 2.4};
    Double_t y3[] = {4, 3.7, 1, 3.7, 2.5};

    h2p->AddBin(3, x1, y1);
    h2p->AddBin(4, x2, y2);
    h2p->AddBin(5, x3, y3);

    h2p->Fill(0.1, 0.01, 3);
    h2p->Fill(-0.5, -0.5, 7);
    h2p->Fill(-0.7, -0.5, 1);
    h2p->Fill(1, 3, 1.5);
}

More examples can bin found in $ROOTSYS/tutorials/hist/th2poly*.C

Partitioning Algorithm

The partitioning algorithm forms an essential part of the TH2Poly class. It is implemented to speed up the filling of bins.

With the brute force approach, the filling is done in the following way: An iterator loops over all bins in the TH2Poly and invokes the method IsInside() for each of them. This method checks if the input location is in that bin. If the filling coordinate is inside, the bin is filled. Looping over all the bin is very slow.

The alternative is to divide the histogram into virtual rectangular regions called "cells". Each cell stores the pointers of the bins intersecting it. When a coordinate is to be filled, the method finds which cell the coordinate falls into. Since the cells are rectangular, this can be done very quickly. It then only loops over the bins associated with that cell.

The addition of bins to the appropriate cells is done when the bin is added to the histogram. To do this, AddBin() calls the AddBinToPartition() method. This method adds the input bin to the partitioning matrix.

The number of partition cells per axis can be specified in the constructor. If it is not specified, the default value of 25 along each axis will be assigned. This value was chosen because it is small enough to avoid slowing down AddBin(), while being large enough to enhance Fill() by a considerable amount. Regardless of how it is initialized at construction time, it can be changed later with the ChangePartition() method. ChangePartition() deletes the old partition matrix and generates a new one with the specified number of cells on each axis.

The optimum number of partition cells per axis changes with the number of times Fill() will be called. Although partitioning greatly speeds up filling, it also adds a constant time delay into the code. When Fill() is to be called many times, it is more efficient to divide the histogram into a large number cells. However, if the histogram is to be filled only a few times, it is better to divide into a small number of cells.

Definition at line 70 of file TH2Poly.h.

Public Member Functions
	TH2Poly ()
	TH2Poly (const char *name, const char *title, Double_t xlow, Double_t xup, Double_t ylow, Double_t yup)
	Constructor with specified name and boundaries, but no partition cell number. More...
	TH2Poly (const char *name, const char *title, Int_t nX, Double_t xlow, Double_t xup, Int_t nY, Double_t ylow, Double_t yup)
	Constructor with specified name and boundaries and partition cell number. More...
virtual	~TH2Poly ()
	Destructor. More...
Int_t	AddBin (TObject *poly)
	Adds a new bin to the histogram. More...
Int_t	AddBin (Int_t n, const Double_t *x, const Double_t *y)
	Adds a new bin to the histogram. More...
Int_t	AddBin (Double_t x1, Double_t y1, Double_t x2, Double_t y2)
	Add a new bin to the histogram. More...
virtual Bool_t	Add (const TH1 *h1, Double_t c1)
	Performs the operation: this = this + c1*h1. More...
virtual Bool_t	Add (const TH1 *h1, const TH1 *h2, Double_t c1=1, Double_t c2=1)
	Replace contents of this histogram by the addition of h1 and h2. More...
virtual Bool_t	Add (TF1 *h1, Double_t c1=1, Option_t *option="")
	Performs the operation: this = this + c1*f1. More...
void	ClearBinContents ()
	Clears the contents of all bins in the histogram. More...
TObject *	Clone (const char *newname="") const
	Make a complete copy of the underlying object. More...
void	ChangePartition (Int_t n, Int_t m)
	Changes the number of partition cells in the histogram. More...
Int_t	Fill (Double_t x, Double_t y)
	Increment the bin containing (x,y) by 1. More...
Int_t	Fill (Double_t x, Double_t y, Double_t w)
	Increment the bin containing (x,y) by w. More...
Int_t	Fill (const char *name, Double_t w)
	Increment the bin named "name" by w. More...
void	FillN (Int_t ntimes, const Double_t *x, const Double_t *y, const Double_t *w, Int_t stride=1)
	Fills a 2-D histogram with an array of values and weights. More...
Int_t	Fill (Double_t)
	Invalid Fill method. More...
Int_t	Fill (Double_t, const char *, Double_t)
	Increment cell defined by x,namey by a weight w. More...
Int_t	Fill (const char *, Double_t, Double_t)
	Increment cell defined by namex,y by a weight w. More...
Int_t	Fill (const char *, const char *, Double_t)
	Increment cell defined by namex,namey by a weight w. More...
void	FillN (Int_t, const Double_t *, const Double_t *, Int_t)
	Fill this histogram with an array x and weights w. More...
Int_t	FindBin (Double_t x, Double_t y, Double_t z=0)
	Returns the bin number of the bin at the given coordinate. More...
TList *	GetBins ()
Double_t	GetBinContent (Int_t bin) const
	Returns the content of the input bin For the overflow/underflow/sea bins: -1 | -2 | -3 ---+----+---- -4 | -5 | -6 ---+----+---- -7 | -8 | -9 where -5 is the "sea" bin (i.e. More...
Double_t	GetBinContent (Int_t, Int_t) const
Double_t	GetBinContent (Int_t, Int_t, Int_t) const
Bool_t	GetBinContentChanged () const
Double_t	GetBinError (Int_t bin) const
	Returns the value of error associated to bin number bin. More...
Double_t	GetBinError (Int_t, Int_t) const
Double_t	GetBinError (Int_t, Int_t, Int_t) const
const char *	GetBinName (Int_t bin) const
	Returns the bin name. More...
const char *	GetBinTitle (Int_t bin) const
	Returns the bin title. More...
Bool_t	GetFloat ()
Double_t	GetMaximum () const
	Returns the maximum value of the histogram. More...
Double_t	GetMaximum (Double_t maxval) const
	Returns the maximum value of the histogram that is less than maxval. More...
Double_t	GetMinimum () const
	Returns the minimum value of the histogram. More...
Double_t	GetMinimum (Double_t minval) const
	Returns the minimum value of the histogram that is greater than minval. More...
Bool_t	GetNewBinAdded () const
Int_t	GetNumberOfBins () const
void	Honeycomb (Double_t xstart, Double_t ystart, Double_t a, Int_t k, Int_t s)
	Bins the histogram using a honeycomb structure. More...
Double_t	Integral (Option_t *option="") const
	Returns the integral of bin contents. More...
Double_t	Integral (Int_t, Int_t, const Option_t *) const
Double_t	Integral (Int_t, Int_t, Int_t, Int_t, const Option_t *) const
Double_t	Integral (Int_t, Int_t, Int_t, Int_t, Int_t, Int_t, const Option_t *) const
Long64_t	Merge (TCollection *)
	TH2Poly cannot be merged. More...
void	Reset (Option_t *option)
	Reset this histogram: contents, errors, etc. More...
void	SavePrimitive (std::ostream &out, Option_t *option="")
	Save primitive as a C++ statement(s) on output stream out. More...
virtual void	Scale (Double_t c1=1, Option_t *option="")
	Multiply this histogram by a constant c1. More...
void	SetBinContent (Int_t bin, Double_t content)
	Sets the contents of the input bin to the input content Negative values between -1 and -9 are for the overflows and the sea. More...
void	SetBinContent (Int_t, Int_t, Double_t)
void	SetBinContent (Int_t, Int_t, Int_t, Double_t)
void	SetBinContentChanged (Bool_t flag)
void	SetFloat (Bool_t flag=true)
	When set to kTRUE, allows the histogram to expand if a bin outside the limits is added. More...
void	SetNewBinAdded (Bool_t flag)
Public Member Functions inherited from TH2
virtual	~TH2 ()
	Destructor. More...
virtual Int_t	BufferEmpty (Int_t action=0)
	Fill histogram with all entries in the buffer. More...
virtual void	Copy (TObject &hnew) const
	Copy. More...
virtual void	FillRandom (const char *fname, Int_t ntimes=5000)
	Fill histogram following distribution in function fname. More...
virtual void	FillRandom (TH1 *h, Int_t ntimes=5000)
	Fill histogram following distribution in histogram h. More...
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 is found the function returns -1. More...
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 is found the function returns -1. More...
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 histogram for each fit parameter Only bins along Y between firstybin and lastybin are considered. More...
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 histogram for each fit parameter Only bins along X between firstxbin and lastxbin are considered. More...
virtual Int_t	GetBin (Int_t binx, Int_t biny, Int_t binz=0) const
	Return Global bin number corresponding to binx,y,z. More...
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 = abs(cell_content-c) <= maxdiff In case several cells in the specified range with diff=0 are found the first cell found is returned in binx,biny. More...
virtual Double_t	GetBinErrorLow (Int_t binx, Int_t biny)
virtual Double_t	GetBinErrorUp (Int_t binx, Int_t biny)
virtual Double_t	GetCorrelationFactor (Int_t axis1=1, Int_t axis2=2) const
	Return correlation factor between axis1 and axis2. More...
virtual Double_t	GetCovariance (Int_t axis1=1, Int_t axis2=2) const
	Return covariance between axis1 and axis2. More...
virtual void	GetRandom2 (Double_t &x, Double_t &y)
	Return 2 random numbers along axis x and y distributed according the cellcontents of a 2-dim histogram return a NaN if the histogram has a bin with negative content. More...
virtual void	GetStats (Double_t *stats) const
	Fill the array stats from the contents of this histogram The array stats must be correctly dimensionned in the calling program. More...
virtual Double_t	Integral (Int_t binx1, Int_t binx2, Int_t biny1, Int_t biny2, Option_t *option="") const
	Return integral of bin contents in range [firstxbin,lastxbin],[firstybin,lastybin] for a 2-D histogram By default the integral is computed as the sum of bin contents in the range. More...
virtual Double_t	Integral (Int_t, Int_t, Int_t, Int_t, Int_t, Int_t, Option_t *="") const
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 histogram. More...
virtual Double_t	Interpolate (Double_t x)
	illegal for a TH2 More...
virtual Double_t	Interpolate (Double_t x, Double_t y)
	Given a point P(x,y), Interpolate approximates the value via bilinear interpolation based on the four nearest bin centers see Wikipedia, Bilinear Interpolation Andy Mastbaum 10/8/2008 vaguely based on R.Raja 6-Sep-2008. More...
virtual Double_t	Interpolate (Double_t x, Double_t y, Double_t z)
	illegal for a TH2 More...
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. More...
virtual TH2 *	RebinX (Int_t ngroup=2, const char *newname="")
	Rebin only the X axis see Rebin2D. More...
virtual TH2 *	RebinY (Int_t ngroup=2, const char *newname="")
	Rebin only the Y axis see Rebin2D. More...
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. More...
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. More...
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. More...
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. More...
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. More...
virtual void	PutStats (Double_t *stats)
	Replace current statistics with the values in array stats. More...
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 histogram prob is the probability content for the quantile (0.5 is the default for the median) An approximate error for the quantile is computed assuming that the distribution in the other variable is normal. More...
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 histogram prob is the probability content for the quantile (0.5 is the default for the median) An approximate error for the quantile is computed assuming that the distribution in the other variable is normal. More...
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 projection along X corresponding to the mouse position along Y. More...
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 projection along Y corresponding to the mouse position along X. More...
virtual TH1 *	ShowBackground (Int_t niter=20, Option_t *option="same")
	This function calculates the background spectrum in this histogram. More...
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 and the peak maximum greater than threshold*maximum bin content of this. More...
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 raster graphics community. More...
Public Member Functions inherited from TH1
virtual	~TH1 ()
	Histogram default destructor. More...
virtual void	AddBinContent (Int_t bin)
	Increment bin content by 1. More...
virtual void	AddBinContent (Int_t bin, Double_t w)
	Increment bin content by a weight w. More...
virtual void	Browse (TBrowser *b)
	Browe the Histogram object. More...
virtual Bool_t	CanExtendAllAxes () const
	returns true if all axes are extendable More...
virtual Double_t	Chi2Test (const TH1 *h2, Option_t *option="UU", Double_t *res=0) const
	chi^{2} test for comparing weighted and unweighted histograms More...
virtual Double_t	Chi2TestX (const TH1 *h2, Double_t &chi2, Int_t &ndf, Int_t &igood, Option_t *option="UU", Double_t *res=0) const
	The computation routine of the Chisquare test. More...
virtual Double_t	Chisquare (TF1 *f1, Option_t *option="") const
	Compute and return the chisquare of this histogram with respect to a function The chisquare is computed by weighting each histogram point by the bin error By default the full range of the histogram is used. More...
virtual void	ClearUnderflowAndOverflow ()
	Remove all the content from the underflow and overflow bins, without changing the number of entries After calling this method, every undeflow and overflow bins will have content 0.0 The Sumw2 is also cleared, since there is no more content in the bins. More...
virtual Double_t	ComputeIntegral (Bool_t onlyPositive=false)
	Compute integral (cumulative sum of bins) The result stored in fIntegral is used by the GetRandom functions. More...
virtual void	DirectoryAutoAdd (TDirectory *)
	Perform the automatic addition of the histogram to the given directory. More...
virtual Int_t	DistancetoPrimitive (Int_t px, Int_t py)
	Compute distance from point px,py to a line. More...
virtual Bool_t	Divide (TF1 *f1, Double_t c1=1)
	Performs the operation: this = this/(c1*f1) if errors are defined (see TH1::Sumw2), errors are also recalculated. More...
virtual Bool_t	Divide (const TH1 *h1)
	Divide this histogram by h1. More...
virtual Bool_t	Divide (const TH1 *h1, const TH1 *h2, Double_t c1=1, Double_t c2=1, Option_t *option="")
	Replace contents of this histogram by the division of h1 by h2. More...
virtual void	Draw (Option_t *option="")
	Draw this histogram with options. More...
virtual TH1 *	DrawCopy (Option_t *option="", const char *name_postfix="_copy") const
	Copy this histogram and Draw in the current pad. More...
virtual TH1 *	DrawNormalized (Option_t *option="", Double_t norm=1) const
	Draw a normalized copy of this histogram. More...
virtual void	DrawPanel ()
	Display a panel with all histogram drawing options. More...
virtual void	Eval (TF1 *f1, Option_t *option="")
	Evaluate function f1 at the center of bins of this histogram. More...
virtual void	ExecuteEvent (Int_t event, Int_t px, Int_t py)
	Execute action corresponding to one event. More...
virtual void	ExtendAxis (Double_t x, TAxis *axis)
	Histogram is resized along axis such that x is in the axis range. More...
virtual TH1 *	FFT (TH1 *h_output, Option_t *option)
	This function allows to do discrete Fourier transforms of TH1 and TH2. More...
virtual Int_t	FindFixBin (Double_t x, Double_t y=0, Double_t z=0) const
	Return Global bin number corresponding to x,y,z. More...
virtual TObject *	FindObject (const char *name) const
	search object named name in the list of functions More...
virtual TObject *	FindObject (const TObject *obj) const
	search object obj in the list of functions More...
virtual TFitResultPtr	Fit (const char *formula, Option_t *option="", Option_t *goption="", Double_t xmin=0, Double_t xmax=0)
	Fit histogram with function fname. More...
virtual TFitResultPtr	Fit (TF1 *f1, Option_t *option="", Option_t *goption="", Double_t xmin=0, Double_t xmax=0)
	Fit histogram with function f1. More...
virtual void	FitPanel ()
	Display a panel with all histogram fit options. More...
TH1 *	GetAsymmetry (TH1 *h2, Double_t c2=1, Double_t dc2=0)
	Return an histogram containing the asymmetry of this histogram with h2, where the asymmetry is defined as: More...
Int_t	GetBufferLength () const
Int_t	GetBufferSize () const
const Double_t *	GetBuffer () const
virtual Double_t *	GetIntegral ()
	Return a pointer to the array of bins integral. More...
TH1 *	GetCumulative (Bool_t forward=kTRUE, const char *suffix="_cumulative") const
	Return a pointer to an histogram containing the cumulative The cumulative can be computed both in the forward (default) or backward direction; the name of the new histogram is constructed from the name of this histogram with the suffix suffix appended. More...
TList *	GetListOfFunctions () const
virtual Int_t	GetNdivisions (Option_t *axis="X") const
	Return the number of divisions for "axis". More...
virtual Color_t	GetAxisColor (Option_t *axis="X") const
	Return the number of divisions for "axis". More...
virtual Color_t	GetLabelColor (Option_t *axis="X") const
	Return the "axis" label color. More...
virtual Style_t	GetLabelFont (Option_t *axis="X") const
	Return the "axis" label font. More...
virtual Float_t	GetLabelOffset (Option_t *axis="X") const
	Return the "axis" label offset. More...
virtual Float_t	GetLabelSize (Option_t *axis="X") const
	Return the "axis" label size. More...
virtual Style_t	GetTitleFont (Option_t *axis="X") const
	Return the "axis" title font. More...
virtual Float_t	GetTitleOffset (Option_t *axis="X") const
	Return the "axis" title offset. More...
virtual Float_t	GetTitleSize (Option_t *axis="X") const
	Return the "axis" title size. More...
virtual Float_t	GetTickLength (Option_t *axis="X") const
	Return the "axis" tick length. More...
virtual Float_t	GetBarOffset () const
virtual Float_t	GetBarWidth () const
virtual Int_t	GetContour (Double_t *levels=0)
	Return contour values into array levels if pointer levels is non zero. More...
virtual Double_t	GetContourLevel (Int_t level) const
	Return value of contour number level use GetContour to return the array of all contour levels. More...
virtual Double_t	GetContourLevelPad (Int_t level) const
	Return the value of contour number "level" in Pad coordinates ie: if the Pad is in log scale along Z it returns le log of the contour level value. More...
virtual void	GetBinXYZ (Int_t binglobal, Int_t &binx, Int_t &biny, Int_t &binz) const
	return binx, biny, binz corresponding to the global bin number globalbin see TH1::GetBin function above More...
virtual Double_t	GetBinCenter (Int_t bin) const
	return bin center for 1D historam Better to use h1.GetXaxis().GetBinCenter(bin) More...
virtual Double_t	GetBinErrorLow (Int_t bin) const
	Return lower error associated to bin number bin. More...
virtual Double_t	GetBinErrorUp (Int_t bin) const
	Return upper error associated to bin number bin. More...
virtual EBinErrorOpt	GetBinErrorOption () const
virtual Double_t	GetBinLowEdge (Int_t bin) const
	return bin lower edge for 1D historam Better to use h1.GetXaxis().GetBinLowEdge(bin) More...
virtual Double_t	GetBinWidth (Int_t bin) const
	return bin width for 1D historam Better to use h1.GetXaxis().GetBinWidth(bin) More...
virtual Double_t	GetBinWithContent (Double_t c, Int_t &binx, Int_t firstx=0, Int_t lastx=0, Double_t maxdiff=0) const
	compute first binx in the range [firstx,lastx] for which diff = abs(bin_content-c) <= maxdiff In case several bins in the specified range with diff=0 are found the first bin found is returned in binx. More...
virtual void	GetCenter (Double_t *center) const
	Fill array with center of bins for 1D histogram Better to use h1.GetXaxis().GetCenter(center) More...
TDirectory *	GetDirectory () const
virtual Double_t	GetEntries () const
	return the current number of entries More...
virtual Double_t	GetEffectiveEntries () const
	number of effective entries of the histogram, neff = (Sum of weights )^2 / (Sum of weight^2 ) In case of an unweighted histogram this number is equivalent to the number of entries of the histogram. More...
virtual TF1 *	GetFunction (const char *name) const
	Return pointer to function with name. More...
virtual Int_t	GetDimension () const
virtual Double_t	GetKurtosis (Int_t axis=1) const
	For axis =1, 2 or 3 returns kurtosis of the histogram along x, y or z axis. More...
virtual void	GetLowEdge (Double_t *edge) const
	Fill array with low edge of bins for 1D histogram Better to use h1.GetXaxis().GetLowEdge(edge) More...
virtual Int_t	GetMaximumBin () const
	Return location of bin with maximum value in the range. More...
virtual Int_t	GetMaximumBin (Int_t &locmax, Int_t &locmay, Int_t &locmaz) const
	Return location of bin with maximum value in the range. More...
virtual Double_t	GetMaximumStored () const
virtual Int_t	GetMinimumBin () const
	Return location of bin with minimum value in the range. More...
virtual Int_t	GetMinimumBin (Int_t &locmix, Int_t &locmiy, Int_t &locmiz) const
	Return location of bin with minimum value in the range. More...
virtual Double_t	GetMinimumStored () const
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. More...
virtual Double_t	GetMeanError (Int_t axis=1) const
	Return standard error of mean of this histogram along the X axis. More...
virtual Int_t	GetNbinsX () const
virtual Int_t	GetNbinsY () const
virtual Int_t	GetNbinsZ () const
virtual Int_t	GetNcells () const
virtual Double_t	GetNormFactor () const
virtual char *	GetObjectInfo (Int_t px, Int_t py) const
	Redefines TObject::GetObjectInfo. More...
Option_t *	GetOption () const
TVirtualHistPainter *	GetPainter (Option_t *option="")
	return pointer to painter if painter does not exist, it is created More...
virtual Int_t	GetQuantiles (Int_t nprobSum, Double_t *q, const Double_t *probSum=0)
	Compute Quantiles for this histogram Quantile x_q of a probability distribution Function F is defined as. More...
virtual Double_t	GetRandom () const
	return a random number distributed according the histogram bin contents. More...
virtual Double_t	GetStdDev (Int_t axis=1) const
	Returns the Standard Deviation (Sigma). More...
virtual Double_t	GetStdDevError (Int_t axis=1) const
	Return error of standard deviation estimation for Normal distribution. More...
virtual Double_t	GetSumOfWeights () const
	Return the sum of weights excluding under/overflows. More...
virtual TArrayD *	GetSumw2 ()
virtual const TArrayD *	GetSumw2 () const
virtual Int_t	GetSumw2N () const
Double_t	GetRMS (Int_t axis=1) const
Double_t	GetRMSError (Int_t axis=1) const
virtual Double_t	GetSkewness (Int_t axis=1) const
	For axis = 1, 2 or 3 returns skewness of the histogram along x, y or z axis. More...
TAxis *	GetXaxis ()
TAxis *	GetYaxis ()
TAxis *	GetZaxis ()
const TAxis *	GetXaxis () const
const TAxis *	GetYaxis () const
const TAxis *	GetZaxis () const
virtual Double_t	Integral (Int_t binx1, Int_t binx2, Option_t *option="") const
	Return integral of bin contents in range [binx1,binx2] By default the integral is computed as the sum of bin contents in the range. More...
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 By default the integral is computed as the sum of bin contents in the range. More...
Bool_t	IsBinOverflow (Int_t bin) const
Bool_t	IsBinUnderflow (Int_t bin) const
virtual Double_t	AndersonDarlingTest (const TH1 *h2, Option_t *option="") const
	Statistical test of compatibility in shape between this histogram and h2, using the Anderson-Darling 2 sample test. More...
virtual Double_t	AndersonDarlingTest (const TH1 *h2, Double_t &advalue) const
	Same funciton as above but returning also the test statistic value. More...
virtual void	LabelsDeflate (Option_t *axis="X")
	Reduce the number of bins for the axis passed in the option to the number of bins having a label. More...
virtual void	LabelsInflate (Option_t *axis="X")
	Double the number of bins for axis. More...
virtual void	LabelsOption (Option_t *option="h", Option_t *axis="X")
	Set option(s) to draw axis with labels. More...
virtual Bool_t	Multiply (TF1 *h1, Double_t c1=1)
	Performs the operation: this = this*c1*f1 if errors are defined (see TH1::Sumw2), errors are also recalculated. More...
virtual Bool_t	Multiply (const TH1 *h1)
	Multiply this histogram by h1. More...
virtual Bool_t	Multiply (const TH1 *h1, const TH1 *h2, Double_t c1=1, Double_t c2=1, Option_t *option="")
	Replace contents of this histogram by multiplication of h1 by h2. More...
virtual void	Paint (Option_t *option="")
	Control routine to paint any kind of histograms. More...
virtual void	Print (Option_t *option="") const
	Print some global quantities for this histogram. More...
virtual TH1 *	Rebin (Int_t ngroup=2, const char *newname="", const Double_t *xbins=0)
	Rebin this histogram. More...
virtual void	Rebuild (Option_t *option="")
	Using the current bin info, recompute the arrays for contents and errors. More...
virtual void	RecursiveRemove (TObject *obj)
	Recursively remove object from the list of functions. More...
virtual void	ResetStats ()
	Reset the statistics including the number of entries and replace with values calculates from bin content The number of entries is set to the total bin content or (in case of weighted histogram) to number of effective entries. More...
virtual void	SetAxisColor (Color_t color=1, Option_t *axis="X")
	Set color to draw the axis line and tick marks. More...
virtual void	SetAxisRange (Double_t xmin, Double_t xmax, Option_t *axis="X")
	Set the "axis" range. More...
virtual void	SetBarOffset (Float_t offset=0.25)
virtual void	SetBarWidth (Float_t width=0.5)
virtual void	SetBinError (Int_t bin, Double_t error)
	see convention for numbering bins in TH1::GetBin More...
virtual void	SetBinError (Int_t binx, Int_t biny, Double_t error)
	see convention for numbering bins in TH1::GetBin More...
virtual void	SetBinError (Int_t binx, Int_t biny, Int_t binz, Double_t error)
	see convention for numbering bins in TH1::GetBin More...
virtual void	SetBins (Int_t nx, Double_t xmin, Double_t xmax)
	Redefine x axis parameters. More...
virtual void	SetBins (Int_t nx, const Double_t *xBins)
	Redefine x axis parameters with variable bin sizes. More...
virtual void	SetBins (Int_t nx, Double_t xmin, Double_t xmax, Int_t ny, Double_t ymin, Double_t ymax)
	Redefine x and y axis parameters. More...
virtual void	SetBins (Int_t nx, const Double_t *xBins, Int_t ny, const Double_t *yBins)
	Redefine x and y axis parameters with variable bin sizes. More...
virtual void	SetBins (Int_t nx, Double_t xmin, Double_t xmax, Int_t ny, Double_t ymin, Double_t ymax, Int_t nz, Double_t zmin, Double_t zmax)
	Redefine x, y and z axis parameters. More...
virtual void	SetBins (Int_t nx, const Double_t *xBins, Int_t ny, const Double_t *yBins, Int_t nz, const Double_t *zBins)
	Redefine x, y and z axis parameters with variable bin sizes. More...
virtual void	SetBinsLength (Int_t=-1)
virtual void	SetBinErrorOption (EBinErrorOpt type)
virtual void	SetBuffer (Int_t buffersize, Option_t *option="")
	set the maximum number of entries to be kept in the buffer More...
virtual UInt_t	SetCanExtend (UInt_t extendBitMask)
	make the histogram axes extendable / not extendable according to the bit mask returns the previous bit mask specifying which axes are extendable More...
virtual void	SetContent (const Double_t *content)
	Replace bin contents by the contents of array content. More...
virtual void	SetContour (Int_t nlevels, const Double_t *levels=0)
	Set the number and values of contour levels. More...
virtual void	SetContourLevel (Int_t level, Double_t value)
	Set value for one contour level. More...
virtual void	SetDirectory (TDirectory *dir)
	By default when an histogram is created, it is added to the list of histogram objects in the current directory in memory. More...
virtual void	SetEntries (Double_t n)
virtual void	SetError (const Double_t *error)
	Replace bin errors by values in array error. More...
virtual void	SetLabelColor (Color_t color=1, Option_t *axis="X")
	Set axis labels color. More...
virtual void	SetLabelFont (Style_t font=62, Option_t *axis="X")
	Set font number used to draw axis labels. More...
virtual void	SetLabelOffset (Float_t offset=0.005, Option_t *axis="X")
	Set offset between axis and axis' labels. More...
virtual void	SetLabelSize (Float_t size=0.02, Option_t *axis="X")
	Set size of axis' labels. More...
virtual void	SetMaximum (Double_t maximum=-1111)
virtual void	SetMinimum (Double_t minimum=-1111)
virtual void	SetName (const char *name)
	Change the name of this histogram. More...
virtual void	SetNameTitle (const char *name, const char *title)
	Change the name and title of this histogram. More...
virtual void	SetNdivisions (Int_t n=510, Option_t *axis="X")
	Set the number of divisions to draw an axis. More...
virtual void	SetNormFactor (Double_t factor=1)
virtual void	SetStats (Bool_t stats=kTRUE)
	Set statistics option on/off. More...
virtual void	SetOption (Option_t *option=" ")
virtual void	SetTickLength (Float_t length=0.02, Option_t *axis="X")
	Set the axis' tick marks length. More...
virtual void	SetTitleFont (Style_t font=62, Option_t *axis="X")
	The the axis' title font. More...
virtual void	SetTitleOffset (Float_t offset=1, Option_t *axis="X")
	Specify a parameter offset to control the distance between the axis and the axis' title. More...
virtual void	SetTitleSize (Float_t size=0.02, Option_t *axis="X")
	The the axis' title size. More...
virtual void	SetTitle (const char *title)
	Change (i.e. More...
virtual void	SetXTitle (const char *title)
virtual void	SetYTitle (const char *title)
virtual void	SetZTitle (const char *title)
virtual void	Sumw2 (Bool_t flag=kTRUE)
	Create structure to store sum of squares of weights. More...
void	UseCurrentStyle ()
	Copy current attributes from/to current style. More...
virtual Double_t	GetCellContent (Int_t binx, Int_t biny) const
virtual Double_t	GetCellError (Int_t binx, Int_t biny) const
virtual void	RebinAxis (Double_t x, TAxis *axis)
virtual void	SetCellContent (Int_t binx, Int_t biny, Double_t content)
virtual void	SetCellError (Int_t binx, Int_t biny, Double_t content)
virtual Double_t	GetBinErrorSqUnchecked (Int_t bin) const
Public Member Functions inherited from TNamed
	TNamed ()
	TNamed (const char *name, const char *title)
	TNamed (const TString &name, const TString &title)
	TNamed (const TNamed &named)
TNamed &	operator= (const TNamed &rhs)
	TNamed assignment operator. More...
virtual	~TNamed ()
virtual void	Clear (Option_t *option="")
	Set name and title to empty strings (""). More...
virtual Int_t	Compare (const TObject *obj) const
	Compare two TNamed objects. More...
virtual void	FillBuffer (char *&buffer)
	Encode TNamed into output buffer. More...
virtual const char *	GetName () const
	Returns name of object. More...
virtual const char *	GetTitle () const
	Returns title of object. More...
virtual ULong_t	Hash () const
	Return hash value for this object. More...
virtual Bool_t	IsSortable () const
virtual void	ls (Option_t *option="") const
	List TNamed name and title. More...
virtual Int_t	Sizeof () const
	Return size of the TNamed part of the TObject. More...
Public Member Functions inherited from TObject
	TObject ()
	TObject (const TObject &object)
	TObject copy ctor. More...
TObject &	operator= (const TObject &rhs)
	TObject assignment operator. More...
virtual	~TObject ()
	TObject destructor. More...
virtual void	AppendPad (Option_t *option="")
	Append graphics object to current pad. More...
virtual const char *	ClassName () const
	Returns name of class to which the object belongs. More...
virtual void	Delete (Option_t *option="")
	Delete this object. More...
virtual void	DrawClass () const
	Draw class inheritance tree of the class to which this object belongs. More...
virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current pad. More...
virtual void	Dump () const
	Dump contents of object on stdout. More...
virtual void	Execute (const char *method, const char *params, Int_t *error=0)
	Execute method on this object with the given parameter string, e.g. More...
virtual void	Execute (TMethod *method, TObjArray *params, Int_t *error=0)
	Execute method on this object with parameters stored in the TObjArray. More...
virtual Option_t *	GetDrawOption () const
	Get option used by the graphics system to draw this object. More...
virtual UInt_t	GetUniqueID () const
	Return the unique object id. More...
virtual const char *	GetIconName () const
	Returns mime type name of object. More...
virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out. More...
virtual Bool_t	InheritsFrom (const char *classname) const
	Returns kTRUE if object inherits from class "classname". More...
virtual Bool_t	InheritsFrom (const TClass *cl) const
	Returns kTRUE if object inherits from TClass cl. More...
virtual void	Inspect () const
	Dump contents of this object in a graphics canvas. More...
virtual Bool_t	IsFolder () const
	Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...
virtual Bool_t	IsEqual (const TObject *obj) const
	Default equal comparison (objects are equal if they have the same address in memory). More...
Bool_t	IsOnHeap () const
Bool_t	IsZombie () const
virtual Bool_t	Notify ()
	This method must be overridden to handle object notification. More...
virtual void	Pop ()
	Pop on object drawn in a pad to the top of the display list. More...
virtual Int_t	Read (const char *name)
	Read contents of object with specified name from the current directory. More...
virtual void	SaveAs (const char *filename="", Option_t *option="") const
	Save this object in the file specified by filename. More...
virtual void	SetDrawOption (Option_t *option="")
	Set drawing option for object. More...
virtual void	SetUniqueID (UInt_t uid)
	Set the unique object id. More...
virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory. More...
virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
	Write this object to the current directory. More...
void *	operator new (size_t sz)
void *	operator new[] (size_t sz)
void *	operator new (size_t sz, void *vp)
void *	operator new[] (size_t sz, void *vp)
void	operator delete (void *ptr)
	Operator delete. More...
void	operator delete[] (void *ptr)
	Operator delete []. More...
void	SetBit (UInt_t f, Bool_t set)
	Set or unset the user status bits as specified in f. More...
void	SetBit (UInt_t f)
void	ResetBit (UInt_t f)
Bool_t	TestBit (UInt_t f) const
Int_t	TestBits (UInt_t f) const
void	InvertBit (UInt_t f)
virtual void	Info (const char *method, const char *msgfmt,...) const
	Issue info message. More...
virtual void	Warning (const char *method, const char *msgfmt,...) const
	Issue warning message. More...
virtual void	Error (const char *method, const char *msgfmt,...) const
	Issue error message. More...
virtual void	SysError (const char *method, const char *msgfmt,...) const
	Issue system error message. More...
virtual void	Fatal (const char *method, const char *msgfmt,...) const
	Issue fatal error message. More...
void	AbstractMethod (const char *method) const
	Use this method to implement an "abstract" method that you don't want to leave purely abstract. More...
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 class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary). More...
void	Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
	Use this method to declare a method obsolete. More...
Public Member Functions inherited from TAttLine
	TAttLine ()
	AttLine default constructor. More...
	TAttLine (Color_t lcolor, Style_t lstyle, Width_t lwidth)
	AttLine normal constructor. More...
virtual	~TAttLine ()
	AttLine destructor. More...
void	Copy (TAttLine &attline) const
	Copy this line attributes to a new TAttLine. More...
Int_t	DistancetoLine (Int_t px, Int_t py, Double_t xp1, Double_t yp1, Double_t xp2, Double_t yp2)
	Compute distance from point px,py to a line. More...
virtual Color_t	GetLineColor () const
virtual Style_t	GetLineStyle () const
virtual Width_t	GetLineWidth () const
virtual void	Modify ()
	Change current line attributes if necessary. More...
virtual void	ResetAttLine (Option_t *option="")
	Reset this line attributes to default values. More...
virtual void	SaveLineAttributes (std::ostream &out, const char *name, Int_t coldef=1, Int_t stydef=1, Int_t widdef=1)
	Save line attributes as C++ statement(s) on output stream out. More...
virtual void	SetLineAttributes ()
	Invoke the DialogCanvas Line attributes. More...
virtual void	SetLineColor (Color_t lcolor)
virtual void	SetLineColorAlpha (Color_t lcolor, Float_t lalpha)
	Set a transparent line color. More...
virtual void	SetLineStyle (Style_t lstyle)
virtual void	SetLineWidth (Width_t lwidth)
	ClassDef (TAttLine, 2)
Public Member Functions inherited from TAttFill
	TAttFill ()
	TAttFill (Color_t fcolor, Style_t fstyle)
	AttFill normal constructor. More...
virtual	~TAttFill ()
	AttFill destructor. More...
void	Copy (TAttFill &attfill) const
	Copy this fill attributes to a new TAttFill. More...
virtual Color_t	GetFillColor () const
virtual Style_t	GetFillStyle () const
virtual Bool_t	IsTransparent () const
virtual void	Modify ()
	Change current fill area attributes if necessary. More...
virtual void	ResetAttFill (Option_t *option="")
	Reset this fill attributes to default values. More...
virtual void	SaveFillAttributes (std::ostream &out, const char *name, Int_t coldef=1, Int_t stydef=1001)
	Save fill attributes as C++ statement(s) on output stream out. More...
virtual void	SetFillAttributes ()
	Invoke the DialogCanvas Fill attributes. More...
virtual void	SetFillColor (Color_t fcolor)
virtual void	SetFillColorAlpha (Color_t fcolor, Float_t falpha)
	Set a transparent fill color. More...
virtual void	SetFillStyle (Style_t fstyle)
Public Member Functions inherited from TAttMarker
	TAttMarker ()
	TAttMarker (Color_t color, Style_t style, Size_t msize)
	TAttMarker normal constructor. More...
virtual	~TAttMarker ()
	TAttMarker destructor. More...
void	Copy (TAttMarker &attmarker) const
	Copy this marker attributes to a new TAttMarker. More...
virtual Color_t	GetMarkerColor () const
virtual Style_t	GetMarkerStyle () const
virtual Size_t	GetMarkerSize () const
virtual void	Modify ()
	Change current marker attributes if necessary. More...
virtual void	ResetAttMarker (Option_t *toption="")
	Reset this marker attributes to the default values. More...
virtual void	SaveMarkerAttributes (std::ostream &out, const char *name, Int_t coldef=1, Int_t stydef=1, Int_t sizdef=1)
	Save line attributes as C++ statement(s) on output stream out. More...
virtual void	SetMarkerAttributes ()
	Invoke the DialogCanvas Marker attributes. More...
virtual void	SetMarkerColor (Color_t mcolor=1)
virtual void	SetMarkerColorAlpha (Color_t mcolor, Float_t malpha)
	Set a transparent marker color. More...
virtual void	SetMarkerStyle (Style_t mstyle=1)
virtual void	SetMarkerSize (Size_t msize=1)
	ClassDef (TAttMarker, 2)

Protected Member Functions
void	AddBinToPartition (TH2PolyBin *bin)
	For the 3D Painter. More...
void	Initialize (Double_t xlow, Double_t xup, Double_t ylow, Double_t yup, Int_t n, Int_t m)
	Initializes the TH2Poly object. This method is called by the constructor. More...
Bool_t	IsIntersecting (TH2PolyBin *bin, Double_t xclipl, Double_t xclipr, Double_t yclipb, Double_t yclipt)
	Returns kTRUE if the input bin is intersecting with the input rectangle (xclipl, xclipr, yclipb, yclipt) More...
Bool_t	IsIntersectingPolygon (Int_t bn, Double_t *x, Double_t *y, Double_t xclipl, Double_t xclipr, Double_t yclipb, Double_t yclipt)
	Returns kTRUE if the input polygon (bn, x, y) is intersecting with the input rectangle (xclipl, xclipr, yclipb, yclipt) More...
virtual Double_t	RetrieveBinContent (Int_t bin) const
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 More...
Protected Member Functions inherited from TH2
	TH2 ()
	TH2 (const char *name, const char *title, Int_t nbinsx, Double_t xlow, Double_t xup, Int_t nbinsy, Double_t ylow, Double_t yup)
	See comments in the TH1 base class constructors. More...
	TH2 (const char *name, const char *title, Int_t nbinsx, const Double_t *xbins, Int_t nbinsy, Double_t ylow, Double_t yup)
	See comments in the TH1 base class constructors. More...
	TH2 (const char *name, const char *title, Int_t nbinsx, Double_t xlow, Double_t xup, Int_t nbinsy, const Double_t *ybins)
	See comments in the TH1 base class constructors. More...
	TH2 (const char *name, const char *title, Int_t nbinsx, const Double_t *xbins, Int_t nbinsy, const Double_t *ybins)
	See comments in the TH1 base class constructors. More...
	TH2 (const char *name, const char *title, Int_t nbinsx, const Float_t *xbins, Int_t nbinsy, const Float_t *ybins)
	See comments in the TH1 base class constructors. More...
virtual Int_t	BufferFill (Double_t x, Double_t y, Double_t w)
	accumulate arguments in buffer. More...
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 ProjectionY. More...
virtual TProfile *	DoProfile (bool onX, const char *name, Int_t firstbin, Int_t lastbin, Option_t *option) const
virtual TH1D *	DoQuantiles (bool onX, const char *name, Double_t prob) const
	Implementation of quantiles for x or y. More...
virtual void	DoFitSlices (bool onX, TF1 *f1, Int_t firstbin, Int_t lastbin, Int_t cut, Option_t *option, TObjArray *arr)
Int_t	BufferFill (Double_t, Double_t)
	accumulate arguments in buffer. More...
Protected Member Functions inherited from TH1
	TH1 ()
	TH1 (const char *name, const char *title, Int_t nbinsx, Double_t xlow, Double_t xup)
	Normal constructor for fix bin size histograms. More...
	TH1 (const char *name, const char *title, Int_t nbinsx, const Float_t *xbins)
	Normal constructor for variable bin size histograms. More...
	TH1 (const char *name, const char *title, Int_t nbinsx, const Double_t *xbins)
	Normal constructor for variable bin size histograms. More...
virtual Bool_t	FindNewAxisLimits (const TAxis *axis, const Double_t point, Double_t &newMin, Double_t &newMax)
	finds new limits for the axis so that point is within the range and the limits are compatible with the previous ones (see TH1::Merge). More...
virtual void	SavePrimitiveHelp (std::ostream &out, const char *hname, Option_t *option="")
	helper function for the SavePrimitive functions from TH1 or classes derived from TH1, eg TProfile, TProfile2D. More...
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 number values working for all histograms (1D, 2D and 3D) More...
virtual void	DoFillN (Int_t ntimes, const Double_t *x, const Double_t *w, Int_t stride=1)
	internal method to fill histogram content from a vector called directly by TH1::BufferEmpty More...
Protected Member Functions inherited from TObject
void	MakeZombie ()
virtual void	DoError (int level, const char *location, const char *fmt, va_list va) const
	Interface to ErrorHandler (protected). More...

Protected Attributes
TList *	fBins
Double_t	fOverflow [9]
Int_t	fCellX
Int_t	fCellY
Int_t	fNCells
TList *	fCells
Double_t	fStepX
Double_t	fStepY
Bool_t *	fIsEmpty
Bool_t *	fCompletelyInside
Bool_t	fFloat
Bool_t	fNewBinAdded
Bool_t	fBinContentChanged
	For the 3D Painter. More...
Protected Attributes inherited from TH2
Double_t	fScalefactor
Double_t	fTsumwy
Double_t	fTsumwy2
Double_t	fTsumwxy
Protected Attributes inherited from TH1
Int_t	fNcells
TAxis	fXaxis
TAxis	fYaxis
TAxis	fZaxis
Short_t	fBarOffset
Short_t	fBarWidth
Double_t	fEntries
Double_t	fTsumw
Double_t	fTsumw2
Double_t	fTsumwx
Double_t	fTsumwx2
Double_t	fMaximum
Double_t	fMinimum
Double_t	fNormFactor
TArrayD	fContour
TArrayD	fSumw2
TString	fOption
TList *	fFunctions
Int_t	fBufferSize
Double_t *	fBuffer
TDirectory *	fDirectory
Int_t	fDimension
	Pointer to directory holding this histogram. More...
Double_t *	fIntegral
	Histogram dimension (1, 2 or 3 dim) More...
TVirtualHistPainter *	fPainter
	Integral of bins used by GetRandom. More...
EBinErrorOpt	fBinStatErrOpt
	pointer to histogram painter More...
Protected Attributes inherited from TNamed
TString	fName
TString	fTitle
Protected Attributes inherited from TAttLine
Color_t	fLineColor
Style_t	fLineStyle
Width_t	fLineWidth
Protected Attributes inherited from TAttFill
Color_t	fFillColor
Style_t	fFillStyle
Protected Attributes inherited from TAttMarker
Color_t	fMarkerColor
Style_t	fMarkerStyle
Size_t	fMarkerSize

Additional Inherited Members
Public Types inherited from TH1
enum	EBinErrorOpt { kNormal = 0, kPoisson = 1, kPoisson2 = 2 }
enum	{   kNoAxis = 0, kXaxis = BIT(0), kYaxis = BIT(1), kZaxis = BIT(2),   kAllAxes = kXaxis | kYaxis | kZaxis }
enum	{   kNoStats = BIT(9), kUserContour = BIT(10), kLogX = BIT(15), kIsZoomed = BIT(16),   kNoTitle = BIT(17), kIsAverage = BIT(18), kIsNotW = BIT(19) }
enum	{ kNstat = 13 }
Public Types inherited from TObject
enum	EStatusBits {   kCanDelete = BIT(0), kMustCleanup = BIT(3), kObjInCanvas = BIT(3), kIsReferenced = BIT(4),   kHasUUID = BIT(5), kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13) }
enum	{ kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kBitMask = 0x00ffffff }
enum	{ kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) }
Static Public Member Functions inherited from TH1
static Int_t	FitOptionsMake (Option_t *option, Foption_t &Foption)
	flag to call TH1::Sumw2 automatically at histogram creation time More...
static void	AddDirectory (Bool_t add=kTRUE)
	Sets the flag controlling the automatic add of histograms in memory. More...
static Bool_t	AddDirectoryStatus ()
	static function: cannot be inlined on Windows/NT More...
static Int_t	GetDefaultBufferSize ()
	static function return the default buffer size for automatic histograms the parameter fgBufferSize may be changed via SetDefaultBufferSize More...
static Bool_t	GetDefaultSumw2 ()
	return kTRUE if TH1::Sumw2 must be called when creating new histograms. More...
static void	SetDefaultBufferSize (Int_t buffersize=1000)
	static function to set the default buffer size for automatic histograms. More...
static void	SetDefaultSumw2 (Bool_t sumw2=kTRUE)
	static function. More...
static void	SmoothArray (Int_t NN, Double_t *XX, Int_t ntimes=1)
	smooth array xx, translation of Hbook routine hsmoof.F based on algorithm 353QH twice presented by J. More...
static void	StatOverflows (Bool_t flag=kTRUE)
	if flag=kTRUE, underflows and overflows are used by the Fill functions in the computation of statistics (mean value, StdDev). More...
static TH1 *	TransformHisto (TVirtualFFT *fft, TH1 *h_output, Option_t *option)
	For a given transform (first parameter), fills the histogram (second parameter) with the transform output data, specified in the third parameter If the 2nd parameter h_output is empty, a new histogram (TH1D or TH2D) is created and the user is responsible for deleting it. More...
Static Public Member Functions inherited from TObject
static Long_t	GetDtorOnly ()
	Return destructor only flag. More...
static void	SetDtorOnly (void *obj)
	Set destructor only flag. More...
static Bool_t	GetObjectStat ()
	Get status of object stat flag. More...
static void	SetObjectStat (Bool_t stat)
	Turn on/off tracking of objects in the TObjectTable. More...
Static Protected Member Functions inherited from TH1
static Bool_t	RecomputeAxisLimits (TAxis &destAxis, const TAxis &anAxis)
	Finds new limits for the axis for the Merge function. More...
static Bool_t	SameLimitsAndNBins (const TAxis &axis1, const TAxis &axis2)
	Same limits and bins. More...
static bool	CheckAxisLimits (const TAxis *a1, const TAxis *a2)
	Check that the axis limits of the histograms are the same if a first and last bin is passed the axis is compared between the given range. More...
static bool	CheckBinLimits (const TAxis *a1, const TAxis *a2)
static bool	CheckBinLabels (const TAxis *a1, const TAxis *a2)
	check that axis have same labels More...
static bool	CheckEqualAxes (const TAxis *a1, const TAxis *a2)
	Check that the axis are the same. More...
static bool	CheckConsistentSubAxes (const TAxis *a1, Int_t firstBin1, Int_t lastBin1, const TAxis *a2, Int_t firstBin2=0, Int_t lastBin2=0)
	Check that two sub axis are the same the limits are defined by first bin and last bin N.B. More...
static bool	CheckConsistency (const TH1 *h1, const TH1 *h2)
	Check histogram compatibility. More...
Static Protected Attributes inherited from TH1
static Int_t	fgBufferSize = 1000
static Bool_t	fgAddDirectory = kTRUE
	default buffer size for automatic histograms More...
static Bool_t	fgStatOverflows = kFALSE
	flag to add histograms to the directory More...
static Bool_t	fgDefaultSumw2 = kFALSE
	flag to use under/overflows in statistics More...

#include <TH2Poly.h>

Inheritance diagram for TH2Poly:

Collaboration diagram for TH2Poly:

Constructor & Destructor Documentation

TH2Poly::TH2Poly

(

)

TH2Poly::TH2Poly	(	const char *	name,
		const char *	title,
		Double_t	xlow,
		Double_t	xup,
		Double_t	ylow,
		Double_t	yup
	)

Constructor with specified name and boundaries, but no partition cell number.

Definition at line 162 of file TH2Poly.cxx.

TH2Poly::TH2Poly	(	const char *	name,
		const char *	title,
		Int_t	nX,
		Double_t	xlow,
		Double_t	xup,
		Int_t	nY,
		Double_t	ylow,
		Double_t	yup
	)

Constructor with specified name and boundaries and partition cell number.

Definition at line 174 of file TH2Poly.cxx.

TH2Poly::~TH2Poly ( )

virtual

Destructor.

Definition at line 187 of file TH2Poly.cxx.

Member Function Documentation

Bool_t TH2Poly::Add ( const TH1 *  h1, Double_t  c1  )

virtual

Performs the operation: this = this + c1*h1.

Reimplemented from TH1.

Definition at line 276 of file TH2Poly.cxx.

Bool_t TH2Poly::Add ( const TH1 *  h1, const TH1 *  h2, Double_t  c1 = 1, Double_t  c2 = 1  )

virtual

Replace contents of this histogram by the addition of h1 and h2.

Reimplemented from TH1.

Definition at line 334 of file TH2Poly.cxx.

Bool_t TH2Poly::Add ( TF1 *  h1, Double_t  c1 = 1, Option_t *  option = ""  )

virtual

Performs the operation: this = this + c1*f1.

Reimplemented from TH1.

Definition at line 325 of file TH2Poly.cxx.

Int_t TH2Poly::AddBin

(

TObject *

poly

)

Adds a new bin to the histogram.

It can be any object having the method IsInside(). It returns the bin number in the histogram. It returns 0 if it failed to add. To allow the histogram limits to expand when a bin outside the limits is added, call SetFloat() before adding the bin.

Definition at line 202 of file TH2Poly.cxx.

Referenced by AddBin(), Honeycomb(), and testkdTreeBinning().

Int_t TH2Poly::AddBin	(	Int_t	n,
		const Double_t *	x,
		const Double_t *	y
	)

Adds a new bin to the histogram.

The number of vertices and their (x,y) coordinates are required as input. It returns the bin number in the histogram.

Definition at line 253 of file TH2Poly.cxx.

Int_t TH2Poly::AddBin	(	Double_t	x1,
		Double_t	y1,
		Double_t	x2,
		Double_t	y2
	)

Add a new bin to the histogram.

The bin shape is a rectangle. It returns the bin number of the bin in the histogram.

Definition at line 264 of file TH2Poly.cxx.

void TH2Poly::AddBinToPartition ( TH2PolyBin *  bin )

protected

For the 3D Painter.

Adds the input bin into the partition cell matrix.

This method is called in AddBin() and ChangePartition().

Definition at line 344 of file TH2Poly.cxx.

Referenced by AddBin(), and ChangePartition().

void TH2Poly::ChangePartition	(	Int_t	n,
		Int_t	m
	)

Changes the number of partition cells in the histogram.

Deletes the old partition and constructs a new one.

Definition at line 416 of file TH2Poly.cxx.

Referenced by AddBin().

void TH2Poly::ClearBinContents

(

)

Clears the contents of all bins in the histogram.

Definition at line 467 of file TH2Poly.cxx.

TObject * TH2Poly::Clone ( const char *  newname = "" ) const

virtual

Make a complete copy of the underlying object.

If 'newname' is set, the copy's name will be set to that name.

Reimplemented from TH1.

Definition at line 455 of file TH2Poly.cxx.

Int_t TH2Poly::Fill ( Double_t  x, Double_t  y  )

virtual

Increment the bin containing (x,y) by 1.

Uses the partitioning algorithm.

Reimplemented from TH2.

Definition at line 564 of file TH2Poly.cxx.

Referenced by FillN().

Int_t TH2Poly::Fill ( Double_t  x, Double_t  y, Double_t  w  )

virtual

Increment the bin containing (x,y) by w.

Uses the partitioning algorithm.

Reimplemented from TH2.

Definition at line 573 of file TH2Poly.cxx.

Int_t TH2Poly::Fill ( const char *  name, Double_t  w  )

virtual

Increment the bin named "name" by w.

Reimplemented from TH2.

Definition at line 636 of file TH2Poly.cxx.

Int_t TH2Poly::Fill ( Double_t  )

inlinevirtual

Invalid Fill method.

Reimplemented from TH2.

Definition at line 91 of file TH2Poly.h.

Int_t TH2Poly::Fill ( Double_t  x, const char *  namey, Double_t  w  )

inlinevirtual

Increment cell defined by x,namey by a weight w.

if x or/and y is less than the low-edge of the corresponding axis first bin, the Underflow cell is incremented. if x or/and y is greater than the upper edge of corresponding axis last bin, the Overflow cell is incremented.

If the weight is not equal to 1, the storage of the sum of squares of weights is automatically triggered and the sum of the squares of weights is incremented by w^2 in the bin corresponding to x,y.

The function returns the corresponding global bin number which has its content incremented by w

Reimplemented from TH2.

Definition at line 92 of file TH2Poly.h.

Int_t TH2Poly::Fill ( const char *  namex, Double_t  y, Double_t  w  )

inlinevirtual

Increment cell defined by namex,y by a weight w.

if x or/and y is less than the low-edge of the corresponding axis first bin, the Underflow cell is incremented. if x or/and y is greater than the upper edge of corresponding axis last bin, the Overflow cell is incremented.

If the weight is not equal to 1, the storage of the sum of squares of weights is automatically triggered and the sum of the squares of weights is incremented by w^2 in the bin corresponding to namex,y

The function returns the corresponding global bin number which has its content incremented by w

Reimplemented from TH2.

Definition at line 93 of file TH2Poly.h.

Int_t TH2Poly::Fill ( const char *  namex, const char *  namey, Double_t  w  )

inlinevirtual

Increment cell defined by namex,namey by a weight w.

if x or/and y is less than the low-edge of the corresponding axis first bin, the Underflow cell is incremented. if x or/and y is greater than the upper edge of corresponding axis last bin, the Overflow cell is incremented.

If the weight is not equal to 1, the storage of the sum of squares of weights is automatically triggered and the sum of the squares of weights is incremented by w^2 in the bin corresponding to namex,namey

The function returns the corresponding global bin number which has its content incremented by w

Reimplemented from TH2.

Definition at line 94 of file TH2Poly.h.

void TH2Poly::FillN ( Int_t  ntimes, const Double_t *  x, const Double_t *  y, const Double_t *  w, Int_t  stride = 1  )

virtual

Fills a 2-D histogram with an array of values and weights.

Parameters

[in]	ntimes	number of entries in arrays x and w (array size must be ntimes*stride)
[in]	x	array of x values to be histogrammed
[in]	y	array of y values to be histogrammed
[in]	w	array of weights
[in]	stride	step size through arrays x, y and w

Reimplemented from TH2.

Definition at line 667 of file TH2Poly.cxx.

void TH2Poly::FillN ( Int_t  ntimes, const Double_t *  x, const Double_t *  w, Int_t  stride  )

inlinevirtual

Fill this histogram with an array x and weights w.

Parameters

[in]	ntimes	number of entries in arrays x and w (array size must be ntimes*stride)
[in]	x	array of values to be histogrammed

Reimplemented from TH2.

Definition at line 95 of file TH2Poly.h.

Int_t TH2Poly::FindBin ( Double_t  x, Double_t  y, Double_t  z = 0  )

virtual

Returns the bin number of the bin at the given coordinate.

-1 to -9 are the overflow and underflow bins. overflow bin -5 is the unbinned areas in the histogram (also called "the sea"). The third parameter can be left blank. The overflow/underflow bins are:

-1 | -2 | -3
-------------
-4 | -5 | -6
-------------
-7 | -8 | -9

where -5 means is the "sea" bin (i.e. unbinned areas)

Reimplemented from TH1.

Definition at line 521 of file TH2Poly.cxx.

Referenced by THistPainter::DistancetoPrimitive(), and THistPainter::GetObjectInfo().

Double_t TH2Poly::GetBinContent ( Int_t  bin ) const

virtual

Returns the content of the input bin For the overflow/underflow/sea bins:

-1 | -2 | -3
---+----+----
-4 | -5 | -6
---+----+----
-7 | -8 | -9

where -5 is the "sea" bin (i.e.

unbinned areas)

Reimplemented from TH2.

Definition at line 717 of file TH2Poly.cxx.

Referenced by GetBinError(), THistPainter::GetObjectInfo(), TGLH2PolyPainter::GetPlotInfo(), RetrieveBinContent(), SavePrimitive(), and Scale().

Double_t TH2Poly::GetBinContent ( Int_t  , Int_t    ) const

inlinevirtual

Reimplemented from TH2.

Definition at line 99 of file TH2Poly.h.

Double_t TH2Poly::GetBinContent ( Int_t  , Int_t  , Int_t    ) const

inlinevirtual

Reimplemented from TH2.

Definition at line 100 of file TH2Poly.h.

Bool_t TH2Poly::GetBinContentChanged ( ) const

inline

Definition at line 101 of file TH2Poly.h.

Referenced by TGLH2PolyPainter::InitGeometry().

Double_t TH2Poly::GetBinError ( Int_t  bin ) const

virtual

Returns the value of error associated to bin number bin.

If the sum of squares of weights has been defined (via Sumw2), this function returns the sqrt(sum of w2). otherwise it returns the sqrt(contents) for this bin.

Reimplemented from TH1.

Definition at line 730 of file TH2Poly.cxx.

Referenced by Add(), and SavePrimitive().

Double_t TH2Poly::GetBinError ( Int_t  , Int_t    ) const

inlinevirtual

Reimplemented from TH1.

Definition at line 103 of file TH2Poly.h.

Double_t TH2Poly::GetBinError ( Int_t  , Int_t  , Int_t    ) const

inlinevirtual

Reimplemented from TH1.

Definition at line 104 of file TH2Poly.h.

const char * TH2Poly::GetBinName

(

Int_t

bin

)

const

Returns the bin name.

Definition at line 746 of file TH2Poly.cxx.

TList* TH2Poly::GetBins ( )

inline

Definition at line 97 of file TH2Poly.h.

Referenced by Add(), TGLH2PolyPainter::CacheGeometry(), and TGLH2PolyPainter::UpdateGeometry().

const char * TH2Poly::GetBinTitle

(

Int_t

bin

)

const

Returns the bin title.

Definition at line 756 of file TH2Poly.cxx.

Referenced by THistPainter::GetObjectInfo(), and TGLH2PolyPainter::GetPlotInfo().

Bool_t TH2Poly::GetFloat ( )

inline

Definition at line 107 of file TH2Poly.h.

Double_t TH2Poly::GetMaximum

(

)

const

Returns the maximum value of the histogram.

Definition at line 766 of file TH2Poly.cxx.

Double_t TH2Poly::GetMaximum ( Double_t  maxval ) const

virtual

Returns the maximum value of the histogram that is less than maxval.

Reimplemented from TH1.

Definition at line 790 of file TH2Poly.cxx.

Double_t TH2Poly::GetMinimum

(

)

const

Returns the minimum value of the histogram.

Definition at line 814 of file TH2Poly.cxx.

Double_t TH2Poly::GetMinimum ( Double_t  minval ) const

virtual

Returns the minimum value of the histogram that is greater than minval.

Reimplemented from TH1.

Definition at line 838 of file TH2Poly.cxx.

Bool_t TH2Poly::GetNewBinAdded ( ) const

inline

Definition at line 112 of file TH2Poly.h.

Referenced by TGLH2PolyPainter::InitGeometry().

Int_t TH2Poly::GetNumberOfBins ( ) const

inline

Definition at line 113 of file TH2Poly.h.

Referenced by Add(), and Scale().

void TH2Poly::Honeycomb	(	Double_t	xstart,
		Double_t	ystart,
		Double_t	a,
		Int_t	k,
		Int_t	s
	)

Bins the histogram using a honeycomb structure.

Definition at line 862 of file TH2Poly.cxx.

void TH2Poly::Initialize ( Double_t  xlow, Double_t  xup, Double_t  ylow, Double_t  yup, Int_t  n, Int_t  m  )

protected

Initializes the TH2Poly object. This method is called by the constructor.

Definition at line 910 of file TH2Poly.cxx.

Referenced by TH2Poly().

Double_t TH2Poly::Integral ( Option_t *  option = "" ) const

virtual

Returns the integral of bin contents.

By default the integral is computed as the sum of bin contents. If option "width" or "area" is specified, the integral is the sum of the bin contents multiplied by the area of the bin.

Reimplemented from TH2.

Definition at line 681 of file TH2Poly.cxx.

Double_t TH2Poly::Integral ( Int_t  , Int_t  , const Option_t *    ) const

inline

Definition at line 116 of file TH2Poly.h.

Double_t TH2Poly::Integral ( Int_t  , Int_t  , Int_t  , Int_t  , const Option_t *    ) const

inline

Definition at line 117 of file TH2Poly.h.

Double_t TH2Poly::Integral ( Int_t  , Int_t  , Int_t  , Int_t  , Int_t  , Int_t  , const Option_t *    ) const

inline

Definition at line 118 of file TH2Poly.h.

Bool_t TH2Poly::IsIntersecting ( TH2PolyBin *  bin, Double_t  xclipl, Double_t  xclipr, Double_t  yclipb, Double_t  yclipt  )

protected

Returns kTRUE if the input bin is intersecting with the input rectangle (xclipl, xclipr, yclipb, yclipt)

Definition at line 960 of file TH2Poly.cxx.

Referenced by AddBinToPartition().

Bool_t TH2Poly::IsIntersectingPolygon ( Int_t  bn, Double_t *  x, Double_t *  y, Double_t  xclipl, Double_t  xclipr, Double_t  yclipb, Double_t  yclipt  )

protected

Returns kTRUE if the input polygon (bn, x, y) is intersecting with the input rectangle (xclipl, xclipr, yclipb, yclipt)

Definition at line 1001 of file TH2Poly.cxx.

Referenced by IsIntersecting().

Long64_t TH2Poly::Merge ( TCollection *  )

virtual

TH2Poly cannot be merged.

Reimplemented from TH2.

Definition at line 1114 of file TH2Poly.cxx.

void TH2Poly::Reset ( Option_t *  option )

virtual

Reset this histogram: contents, errors, etc.

Reimplemented from TH2.

Definition at line 491 of file TH2Poly.cxx.

virtual Double_t TH2Poly::RetrieveBinContent ( Int_t  bin ) const

inlineprotectedvirtual

Definition at line 149 of file TH2Poly.h.

void TH2Poly::SavePrimitive ( std::ostream &  out, Option_t *  option = ""  )

virtual

Save primitive as a C++ statement(s) on output stream out.

Reimplemented from TH1.

Definition at line 1123 of file TH2Poly.cxx.

void TH2Poly::Scale ( Double_t  c1 = 1, Option_t *  option = ""  )

virtual

Multiply this histogram by a constant c1.

Reimplemented from TH1.

Definition at line 1183 of file TH2Poly.cxx.

void TH2Poly::SetBinContent ( Int_t  bin, Double_t  content  )

virtual

Sets the contents of the input bin to the input content Negative values between -1 and -9 are for the overflows and the sea.

Reimplemented from TH2.

Definition at line 1194 of file TH2Poly.cxx.

Referenced by Scale(), testkdTreeBinning(), and UpdateBinContent().

void TH2Poly::SetBinContent ( Int_t  , Int_t  , Double_t    )

inlinevirtual

Reimplemented from TH2.

Definition at line 124 of file TH2Poly.h.

void TH2Poly::SetBinContent ( Int_t  , Int_t  , Int_t  , Double_t    )

inlinevirtual

Reimplemented from TH2.

Definition at line 125 of file TH2Poly.h.

void TH2Poly::SetBinContentChanged ( Bool_t  flag )

inline

Definition at line 126 of file TH2Poly.h.

Referenced by Fill(), TGLH2PolyPainter::InitGeometry(), Initialize(), and SetBinContent().

void TH2Poly::SetFloat

(

Bool_t

flag = true

)

When set to kTRUE, allows the histogram to expand if a bin outside the limits is added.

Definition at line 1208 of file TH2Poly.cxx.

Referenced by TH2Poly().

void TH2Poly::SetNewBinAdded ( Bool_t  flag )

inline

Definition at line 128 of file TH2Poly.h.

Referenced by AddBin(), TGLH2PolyPainter::InitGeometry(), and Initialize().

virtual void TH2Poly::UpdateBinContent ( Int_t  bin, Double_t  content  )

inlineprotectedvirtual

raw update of bin content on internal data structure see convention for numbering bins in TH1::GetBin

Reimplemented from TH1.

Definition at line 150 of file TH2Poly.h.

Member Data Documentation

Bool_t TH2Poly::fBinContentChanged

protected

For the 3D Painter.

Definition at line 142 of file TH2Poly.h.

Referenced by GetBinContentChanged(), and SetBinContentChanged().

TList* TH2Poly::fBins

protected

Definition at line 131 of file TH2Poly.h.

Referenced by Add(), AddBin(), ChangePartition(), ClearBinContents(), Fill(), GetBinContent(), GetBinName(), GetBins(), GetBinTitle(), GetMaximum(), GetMinimum(), Initialize(), Integral(), Reset(), SavePrimitive(), SetBinContent(), and ~TH2Poly().

TList* TH2Poly::fCells

protected

Definition at line 136 of file TH2Poly.h.

Referenced by AddBinToPartition(), ChangePartition(), Fill(), FindBin(), Initialize(), and ~TH2Poly().

Int_t TH2Poly::fCellX

protected

Definition at line 133 of file TH2Poly.h.

Referenced by AddBin(), AddBinToPartition(), ChangePartition(), Fill(), FindBin(), Initialize(), and SavePrimitive().

Int_t TH2Poly::fCellY

protected

Definition at line 134 of file TH2Poly.h.

Referenced by AddBin(), AddBinToPartition(), ChangePartition(), Fill(), FindBin(), Initialize(), and SavePrimitive().

Bool_t* TH2Poly::fCompletelyInside

protected

Definition at line 139 of file TH2Poly.h.

Referenced by AddBinToPartition(), ChangePartition(), Initialize(), and ~TH2Poly().

Bool_t TH2Poly::fFloat

protected

Definition at line 140 of file TH2Poly.h.

Referenced by AddBin(), GetFloat(), and SetFloat().

Bool_t* TH2Poly::fIsEmpty

protected

Definition at line 138 of file TH2Poly.h.

Referenced by AddBinToPartition(), ChangePartition(), Fill(), FindBin(), Initialize(), and ~TH2Poly().

Int_t TH2Poly::fNCells

protected

Definition at line 135 of file TH2Poly.h.

Referenced by AddBinToPartition(), ChangePartition(), and Initialize().

Bool_t TH2Poly::fNewBinAdded

protected

Definition at line 141 of file TH2Poly.h.

Referenced by GetNewBinAdded(), and SetNewBinAdded().

Double_t TH2Poly::fOverflow[9]

protected

Definition at line 132 of file TH2Poly.h.

Referenced by Fill(), GetBinContent(), Initialize(), and SetBinContent().

Double_t TH2Poly::fStepX

protected

Definition at line 137 of file TH2Poly.h.

Referenced by AddBinToPartition(), ChangePartition(), Fill(), FindBin(), and Initialize().

Double_t TH2Poly::fStepY

protected

Definition at line 137 of file TH2Poly.h.

Referenced by AddBinToPartition(), ChangePartition(), Fill(), FindBin(), and Initialize().

---

The documentation for this class was generated from the following files:

• hist/hist/inc/TH2Poly.h
• hist/hist/src/TH2Poly.cxx