/usr/include/root/THStack.h is in libroot-hist-dev 5.34.19+dfsg-1.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Author: Rene Brun 10/12/2001
/*************************************************************************
* Copyright (C) 1995-2001, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_THStack
#define ROOT_THStack
//////////////////////////////////////////////////////////////////////////
// //
// THStack //
// //
// A collection of histograms //
// //
//////////////////////////////////////////////////////////////////////////
#ifndef ROOT_TH1
#include "TH1.h"
#endif
#ifndef ROOT_TObjArray
#include "TObjArray.h"
#endif
class TBrowser;
class TFileMergeInfo;
class THStack : public TNamed {
private:
THStack& operator=(const THStack&); // Not implemented
protected:
TList *fHists; //Pointer to array of TH1
TObjArray *fStack; //!Pointer to array of sums of TH1
TH1 *fHistogram; //Pointer to histogram used for drawing axis
Double_t fMaximum; //Maximum value for plotting along y
Double_t fMinimum; //Minimum value for plotting along y
void BuildStack();
public:
THStack();
THStack(const char *name, const char *title);
THStack(const TH1* hist, Option_t *axis="x",
const char *name=0, const char *title=0,
Int_t firstbin=1, Int_t lastbin=-1,
Int_t firstbin2=1, Int_t lastbin2=-1,
Option_t* proj_option="", Option_t* draw_option="");
THStack(const THStack &hstack);
virtual ~THStack();
virtual void Add(TH1 *h, Option_t *option="");
virtual void Browse(TBrowser *b);
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
virtual void Draw(Option_t *chopt="");
TH1 *GetHistogram() const;
TList *GetHists() const { return fHists; }
TObjArray *GetStack();
virtual Double_t GetMaximum(Option_t *option="");
virtual Double_t GetMinimum(Option_t *option="");
TAxis *GetXaxis() const;
TAxis *GetYaxis() const;
virtual void ls(Option_t *option="") const;
virtual Long64_t Merge(TCollection* li, TFileMergeInfo *info);
virtual void Modified();
virtual void Paint(Option_t *chopt="");
virtual void Print(Option_t *chopt="") const;
virtual void RecursiveRemove(TObject *obj);
virtual void SavePrimitive(ostream &out, Option_t *option = "");
virtual void SetHistogram(TH1 *h) {fHistogram = h;}
virtual void SetMaximum(Double_t maximum=-1111); // *MENU*
virtual void SetMinimum(Double_t minimum=-1111); // *MENU*
ClassDef(THStack,2) //A collection of histograms
};
#endif
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