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Reference Guide
candleplotoption.C
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1/// \file
2/// \ingroup tutorial_hist
3/// \notebook
4/// Example showing how to combine the various candle plot options.
5///
6/// \macro_image
7/// \macro_code
8///
9/// \author Georg Troska
10
11void candleplotoption()
12{
13 TCanvas *c1 = new TCanvas("c1","Candle Presets",800,600);
14 c1->Divide(3,2);
15
16 TRandom *rng = new TRandom();
17 TH2I *h1 = new TH2I("h1","Sin",18,0,360,300,-1.5,1.5);
18 h1->GetXaxis()->SetTitle("Deg");
19 float myRand;
20 for (int i = 0; i < 360; i+=10) {
21 for (int j = 0; j < 100; j++) {
22 myRand = rng->Gaus(sin(i*3.14/180),0.2);
23 h1->Fill(i,myRand);
24 }
25 }
26 for (int i = 1; i < 7; i++) {
27 c1->cd(i);
28 char str[16];
29 sprintf(str,"candlex%d",i);
30 TH2I * myhist = (TH2I*)h1->DrawCopy(str);
31 myhist->SetTitle(str);
32 }
33
34 TCanvas *c2 = new TCanvas("c2","Candle Individual",800,600);
35 c2->Divide(4,4);
36 char myopt[16][8] = {"0","1","11","21","31","30","111","311","301","1111","2321","12111","112111","212111","312111"};
37 for (int i = 0; i < 15; i++) {
38 c2->cd(i+1);
39 char str[16];
40 sprintf(str, "candlex(%s)",myopt[i]);
41 TH2I * myhist = (TH2I*)h1->DrawCopy(str);
42 myhist->SetTitle(str);
43 }
44}
The Canvas class.
Definition: TCanvas.h:23
void SetTitle(const char *title) override
See GetStatOverflows for more information.
Definition: TH1.cxx:6708
TAxis * GetXaxis()
Get the behaviour adopted by the object about the statoverflows. See EStatOverflows for more informat...
Definition: TH1.h:319
virtual Int_t Fill(Double_t x)
Increment bin with abscissa X by 1.
Definition: TH1.cxx:3348
virtual TH1 * DrawCopy(Option_t *option="", const char *name_postfix="_copy") const
Copy this histogram and Draw in the current pad.
Definition: TH1.cxx:3117
2-D histogram with an int per channel (see TH1 documentation)}
Definition: TH2.h:216
virtual void SetTitle(const char *title="")
Set the title of the TNamed.
Definition: TNamed.cxx:164
This is the base class for the ROOT Random number generators.
Definition: TRandom.h:27
virtual Double_t Gaus(Double_t mean=0, Double_t sigma=1)
Samples a random number from the standard Normal (Gaussian) Distribution with the given mean and sigm...
Definition: TRandom.cxx:274
RVec< PromoteType< T > > sin(const RVec< T > &v)
Definition: RVec.hxx:1758
return c1
Definition: legend1.C:41
TH1F * h1
Definition: legend1.C:5
return c2
Definition: legend2.C:14