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Reference Guide
candleplot.C
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1/// \file
2/// \ingroup tutorial_hist
3/// \notebook
4/// Example of candle plot with 2-D histograms.
5///
6/// \macro_image
7/// \macro_code
8///
9/// \author Georg Troska
10
11void candleplot() {
12
14 TDatime dateBegin(2010,1,1,0,0,0);
15 TDatime dateEnd(2011,1,1,0,0,0);
16
17 auto h1 = new TH2I("h1","Machine A + B",12,dateBegin.Convert(),dateEnd.Convert(),1000,0,1000);
18 auto h2 = new TH2I("h2","Machine B",12,dateBegin.Convert(),dateEnd.Convert(),1000,0,1000);
19
21 h1->GetXaxis()->SetTimeFormat("%m/%y");
22 h1->GetXaxis()->SetTitle("Date [month/year]");
23
24 float Rand;
25 for (int i = dateBegin.Convert(); i < dateEnd.Convert(); i+=86400*30) {
26 for (int j = 0; j < 1000; j++) {
27 Rand = gRandom->Gaus(500+sin(i/10000000.)*100,50); h1->Fill(i,Rand);
28 Rand = gRandom->Gaus(500+sin(i/11000000.)*100,70); h2->Fill(i,Rand);
29 }
30 }
31
32 h1->SetBarWidth(0.4);
33 h1->SetBarOffset(-0.25);
35 h1->SetFillStyle(1001);
36
37 h2->SetBarWidth(0.4);
38 h2->SetBarOffset(0.25);
39 h2->SetLineColor(kRed);
40 h2->SetFillColor(kGreen);
41
42 auto c1 = new TCanvas();
43
44 h1->Draw("candle2");
45 h2->Draw("candle3 same");
46
47 gPad->BuildLegend(0.78,0.695,0.980,0.935,"","f");
48}
@ kRed
Definition: Rtypes.h:66
@ kGreen
Definition: Rtypes.h:66
@ kYellow
Definition: Rtypes.h:66
R__EXTERN TRandom * gRandom
Definition: TRandom.h:62
R__EXTERN TStyle * gStyle
Definition: TStyle.h:414
#define gPad
Definition: TVirtualPad.h:288
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 SetTimeDisplay(Int_t value)
Definition: TAxis.h:162
virtual void SetTimeFormat(const char *format="")
Change the format used for time plotting.
Definition: TAxis.cxx:1052
The Canvas class.
Definition: TCanvas.h:23
This class stores the date and time with a precision of one second in an unsigned 32 bit word (950130...
Definition: TDatime.h:37
virtual void SetBarOffset(Float_t offset=0.25)
Set the bar offset as fraction of the bin width for drawing mode "B".
Definition: TH1.h:361
TAxis * GetXaxis()
Definition: TH1.h:322
virtual Int_t Fill(Double_t x)
Increment bin with abscissa X by 1.
Definition: TH1.cxx:3338
void Draw(Option_t *option="") override
Draw this histogram with options.
Definition: TH1.cxx:3060
virtual void SetBarWidth(Float_t width=0.5)
Set the width of bars as fraction of the bin width for drawing mode "B".
Definition: TH1.h:362
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
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
void SetTimeOffset(Double_t toffset)
Change the time offset for time plotting.
Definition: TStyle.cxx:1806
RVec< PromoteType< T > > sin(const RVec< T > &v)
Definition: RVec.hxx:1797
return c1
Definition: legend1.C:41
TH1F * h1
Definition: legend1.C:5