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1 // @(#)root/graf:$Id$
2 // Author: Rene Brun 16/05/97
4 /*************************************************************************
5  * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
6  * All rights reserved. *
7  * *
8  * For the licensing terms see $ROOTSYS/LICENSE. *
9  * For the list of contributors see $ROOTSYS/README/CREDITS. *
10  *************************************************************************/
12 #ifndef ROOT_TCutG
13 #define ROOT_TCutG
16 #ifndef ROOT_TGraph
17 #include "TGraph.h"
18 #endif
20 class TH2;
22 class TCutG : public TGraph {
24 protected:
25  TString fVarX; ///< X variable
26  TString fVarY; ///< Y variable
27  TObject *fObjectX; ///<! pointer to an object corresponding to X
28  TObject *fObjectY; ///<! pointer to an object corresponding to Y
30 public:
31  TCutG();
32  TCutG(const TCutG &cutg);
33  TCutG(const char *name, Int_t n=0);
34  TCutG(const char *name, Int_t n, const Float_t *x, const Float_t *y);
35  TCutG(const char *name, Int_t n, const Double_t *x, const Double_t *y);
36  virtual ~TCutG();
38  TCutG &operator=(const TCutG &);
39  virtual Double_t Area() const;
40  virtual void Center(Double_t &cx, Double_t &cy) const;
41  TObject *GetObjectX() const {return fObjectX;}
42  TObject *GetObjectY() const {return fObjectY;}
43  const char *GetVarX() const {return fVarX.Data();}
44  const char *GetVarY() const {return fVarY.Data();}
45  virtual Double_t IntegralHist(TH2 *h, Option_t *option="") const;
46  virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
47  virtual void SetObjectX(TObject *obj);
48  virtual void SetObjectY(TObject *obj);
49  virtual void SetVarX(const char *varx); // *MENU*
50  virtual void SetVarY(const char *vary); // *MENU*
52  ClassDef(TCutG,2) // A Graphical cut.
53 };
55 #endif
TCutG default constructor.
Definition: TCutG.cxx:97
virtual void SetObjectX(TObject *obj)
Set the X object (and delete the previous one if any).
Definition: TCutG.cxx:382
float Float_t
Definition: RtypesCore.h:53
const char Option_t
Definition: RtypesCore.h:62
TH1 * h
Definition: legend2.C:5
TObject * fObjectX
! pointer to an object corresponding to X
Definition: TCutG.h:27
TObject * GetObjectX() const
Definition: TCutG.h:41
Basic string class.
Definition: TString.h:137
int Int_t
Definition: RtypesCore.h:41
virtual ~TCutG()
TCutG destructor.
Definition: TCutG.cxx:241
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save primitive as a C++ statement(s) on output stream out.
Definition: TCutG.cxx:354
TString fVarY
Y variable.
Definition: TCutG.h:26
TCutG & operator=(const TCutG &)
Assignment operator.
Definition: TCutG.cxx:252
const char * GetVarX() const
Definition: TCutG.h:43
Graphical cut class.
Definition: TCutG.h:22
Double_t x[n]
Definition: legend1.C:17
#define ClassDef(name, id)
Definition: Rtypes.h:254
TObject * GetObjectY() const
Definition: TCutG.h:42
virtual void SetVarY(const char *vary)
Set Y variable.
Definition: TCutG.cxx:410
virtual Double_t IntegralHist(TH2 *h, Option_t *option="") const
Compute the integral of 2-d histogram h for all bins inside the cut if option "width" is specified...
Definition: TCutG.cxx:309
const char * GetVarY() const
Definition: TCutG.h:44
Service class for 2-Dim histogram classes.
Definition: TH2.h:36
virtual Double_t Area() const
Compute the area inside this TCutG The algorithm uses Stoke&#39;s theorem over the border of the closed p...
Definition: TCutG.cxx:270
virtual void SetObjectY(TObject *obj)
Set the Y object (and delete the previous one if any).
Definition: TCutG.cxx:391
virtual void SetVarX(const char *varx)
Set X variable.
Definition: TCutG.cxx:400
double Double_t
Definition: RtypesCore.h:55
Double_t y[n]
Definition: legend1.C:17
TString fVarX
X variable.
Definition: TCutG.h:25
Mother of all ROOT objects.
Definition: TObject.h:37
TObject * fObjectY
! pointer to an object corresponding to Y
Definition: TCutG.h:28
A Graph is a graphics object made of two arrays X and Y with npoints each.
Definition: TGraph.h:53
virtual void Center(Double_t &cx, Double_t &cy) const
Compute the center x,y of this TCutG The algorithm uses Stoke&#39;s theorem over the border of the closed...
Definition: TCutG.cxx:287
const Int_t n
Definition: legend1.C:16
char name[80]
Definition: TGX11.cxx:109
const char * Data() const
Definition: TString.h:349