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candleplot.C File Reference

Detailed Description

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Example of candle plot with 2-D histograms.

void candleplot() {
TDatime dateBegin(2010,1,1,0,0,0);
TDatime dateEnd(2011,1,1,0,0,0);
auto h1 = new TH2I("h1","Machine A + B",12,dateBegin.Convert(),dateEnd.Convert(),1000,0,1000);
auto h2 = new TH2I("h2","Machine B",12,dateBegin.Convert(),dateEnd.Convert(),1000,0,1000);
h1->GetXaxis()->SetTitle("Date [day/month/year]");
float Rand;
for (int i = dateBegin.Convert(); i < dateEnd.Convert(); i+=86400*30) {
for (int j = 0; j < 1000; j++) {
Rand = gRandom->Gaus(500+sin(i/10000000.)*100,50); h1->Fill(i,Rand);
Rand = gRandom->Gaus(500+sin(i/11000000.)*100,70); h2->Fill(i,Rand);
auto c1 = new TCanvas();
h2->Draw("candle3 same");
@ 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:436
#define gPad
virtual void SetNdivisions(Int_t n=510, Bool_t optim=kTRUE)
Set the number of divisions for this axis.
Definition TAttAxis.cxx:233
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:171
virtual void SetTimeFormat(const char *format="")
Change the format used for time plotting.
Definition TAxis.cxx:1157
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:364
TAxis * GetXaxis()
Definition TH1.h:324
virtual Int_t Fill(Double_t x)
Increment bin with abscissa X by 1.
Definition TH1.cxx:3344
void Draw(Option_t *option="") override
Draw this histogram with options.
Definition TH1.cxx:3066
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:365
2-D histogram with an int per channel (see TH1 documentation)
Definition TH2.h:225
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:275
void SetTimeOffset(Double_t toffset)
Change the time offset for time plotting.
Definition TStyle.cxx:1913
return c1
Definition legend1.C:41
TH1F * h1
Definition legend1.C:5
Georg Troska

Definition in file candleplot.C.