doc/v628/candleplotoption_8C.html

void candleplotoption()

{

   TCanvas *c1 = new TCanvas("c1","Candle Presets",800,600);

   c1->Divide(3,2);


   TRandom *rng = new TRandom();

   TH2I *h1 = new TH2I("h1","Sin",18,0,360,300,-1.5,1.5);

   h1->GetXaxis()->SetTitle("Deg");

   float myRand;

   for (int i = 0; i < 360; i+=10) {

      for (int j = 0; j < 100; j++) {

         myRand = rng->Gaus(sin(i*3.14/180),0.2);

         h1->Fill(i,myRand);

      }

   }

   for (int i = 1; i < 7; i++) {

      c1->cd(i);

      char str[16];

      sprintf(str,"candlex%d",i);

      TH2I * myhist = (TH2I*)h1->DrawCopy(str);

      myhist->SetTitle(str);

   }


   TCanvas *c2 = new TCanvas("c2","Candle Individual",800,600);

   c2->Divide(4,4);

   char myopt[16][8] = {"0","1","11","21","31","30","111","311","301","1111","2321","12111","112111","212111","312111"};

   for (int i = 0; i < 15; i++) {

      c2->cd(i+1);

      char str[16];

      sprintf(str, "candlex(%s)",myopt[i]);

      TH2I * myhist = (TH2I*)h1->DrawCopy(str);

      myhist->SetTitle(str);

   }

}

TCanvas
The Canvas class.
Definition TCanvas.h:23

TH1::SetTitle
void SetTitle(const char *title) override
Change (i.e.
Definition TH1.cxx:6700

TH1::GetXaxis
TAxis * GetXaxis()
Definition TH1.h:322

TH1::Fill
virtual Int_t Fill(Double_t x)
Increment bin with abscissa X by 1.
Definition TH1.cxx:3338

TH1::DrawCopy
virtual TH1 * DrawCopy(Option_t *option="", const char *name_postfix="_copy") const
Copy this histogram and Draw in the current pad.
Definition TH1.cxx:3107

TH2I
2-D histogram with an int per channel (see TH1 documentation)}
Definition TH2.h:216

TNamed::SetTitle
virtual void SetTitle(const char *title="")
Set the title of the TNamed.
Definition TNamed.cxx:164

TRandom
This is the base class for the ROOT Random number generators.
Definition TRandom.h:27

TRandom::Gaus
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

c1
return c1
Definition legend1.C:41

h1
TH1F * h1
Definition legend1.C:5

c2
return c2
Definition legend2.C:14