18 TH2F *hpxpy =
new TH2F(
"hpxpy",
"py vs px",40,-4,4,40,-4,4);
21 for (
Int_t i = 0; i < 50000; i++) {
28 c1->
AddExec(
"dynamic",
"DynamicExec()");
49 int pyold =
gPad->GetUniqueID();
50 int px =
gPad->GetEventX();
51 int py =
gPad->GetEventY();
52 float uxmin =
gPad->GetUxmin();
53 float uxmax =
gPad->GetUxmax();
54 int pxmin =
gPad->XtoAbsPixel(uxmin);
55 int pxmax =
gPad->XtoAbsPixel(uxmax);
56 if(pyold)
gVirtualX->DrawLine(pxmin,pyold,pxmax,pyold);
58 gPad->SetUniqueID(py);
66 else c2 =
new TCanvas(
"c2",
"Projection Canvas",710,10,700,500);
75 sprintf(title,
"Projection of biny=%d",biny);
virtual void SetLineWidth(Width_t lwidth)
Set the line width.
virtual void Rannor(Float_t &a, Float_t &b)
Return 2 numbers distributed following a gaussian with mean=0 and sigma=1.
virtual TF1 * GetFunction(const char *name) const
Return pointer to function with name.
TVirtualPad * cd(Int_t subpadnumber=0)
Set current canvas & pad.
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.
virtual TVirtualPad * cd(Int_t subpadnumber=0)=0
virtual void SetGrid(Int_t valuex=1, Int_t valuey=1)
TVirtualPad is an abstract base class for the Pad and Canvas classes.
virtual void AddExec(const char *name, const char *command)
Add a new TExec object to the list of Execs.
virtual void SetLineColor(Color_t lcolor)
Set the line color.
Service class for 2-Dim histogram classes.
virtual void Draw(Option_t *option="")
Draw this histogram with options.
virtual void SetFillColor(Color_t fcolor)
Set the fill area color.
tomato 2-D histogram with a float per channel (see TH1 documentation)}
virtual Bool_t InheritsFrom(const char *classname) const
Returns kTRUE if object inherits from class "classname".
virtual TObject * GetPrimitive(const char *name) const
Get primitive.
R__EXTERN TRandom * gRandom
tomato 1-D histogram with a double per channel (see TH1 documentation)}
virtual Int_t FindBin(Double_t x)
Find bin number corresponding to abscissa x.
virtual void SetName(const char *name)
Change the name of this histogram.
Mother of all ROOT objects.
virtual void SetTitle(const char *title)
Change (i.e.
virtual void Update()
Update canvas pad buffers.
Int_t Fill(Double_t)
Invalid Fill method.
THist< 2, float, THistStatContent, THistStatUncertainty > TH2F
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.
virtual void SetStats(Bool_t stats=kTRUE)
Set statistics option on/off.