Logo ROOT  
Reference Guide
candlescaled.C File Reference

Detailed Description

View in nbviewer Open in SWAN Candle Scaled, illustrates what scaling does on candle and violin charts.

Please try to modify the static functions SetScaledCandle and SetScaledViolin

void candlescaled()
{
TCanvas *c1 = new TCanvas("c1","TCandle Scaled",800,600);
c1->Divide(2,2);
TRandom *rng = new TRandom();
TH2I *h1 = new TH2I("h1","GausXY",20,-5,5,100,-5,5);
TH2I *h3 = new TH2I("h3","GausXY",100,-5,5,20,-5,5);
float myRand1;
float myRand2;
for (int j = 0; j < 100000; j++) {
myRand1 = rng->Gaus(0,1);
myRand2 = rng->Gaus(0,1);
h1->Fill(myRand1, myRand2);
h3->Fill(myRand1, myRand2);
}
c1->cd(1);
TCandle::SetScaledCandle(true); /* This is a global option for all existing candles, default is false */
h1->SetTitle("CandleX scaled");
h1->DrawCopy("candleX2");
c1->cd(2);
h3->SetTitle("CandleY scaled");
h3->DrawCopy("candleY2");
TCandle::SetScaledViolin(true); /* This is a global option for all existing violin, default is true */
TH2I *h2 = (TH2I*)h1->Clone();
h2->SetFillStyle(0);
TH2I *h4 = (TH2I*)h3->Clone();
h4->SetFillStyle(0);
c1->cd(3);
h2->SetTitle("ViolinX unscaled");
h2->DrawCopy("ViolinX");
c1->cd(4);
h4->SetTitle("ViolinY unscaled");
h4->DrawCopy("ViolinY");
}
@ kGray
Definition: Rtypes.h:65
@ kBlue
Definition: Rtypes.h:66
virtual void SetFillColor(Color_t fcolor)
Set the fill area color.
Definition: TAttFill.h:37
virtual void SetFillStyle(Style_t fstyle)
Set the fill area style.
Definition: TAttFill.h:39
virtual void SetLineColor(Color_t lcolor)
Set the line color.
Definition: TAttLine.h:40
static void SetScaledViolin(const Bool_t vScale=true)
Static function to set scaling between violin-withs.
Definition: TCandle.cxx:237
static void SetScaledCandle(const Bool_t cScale=true)
Static function to set scaling between candles-withs.
Definition: TCandle.cxx:228
The Canvas class.
Definition: TCanvas.h:23
void SetTitle(const char *title) override
See GetStatOverflows for more information.
Definition: TH1.cxx:6708
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
TObject * Clone(const char *newname="") const override
Make a complete copy of the underlying object.
Definition: TH1.cxx:2737
2-D histogram with an int per channel (see TH1 documentation)}
Definition: TH2.h:216
Int_t Fill(Double_t) override
Invalid Fill method.
Definition: TH2.cxx:358
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
return c1
Definition: legend1.C:41
TH1F * h1
Definition: legend1.C:5
Author
Georg Troska

Definition in file candlescaled.C.