18 auto c =
new TCanvas(
"",
"", 0, 0, 1100, 550);
22 auto h1 =
new TH2D(
"h1",
"h1", 40, -4, 4, 40, -20, 20);
23 auto h2 =
new TH2D(
"h2",
"h2", 40, -4, 4, 40, -20, 20);
25 for (
int i = 0; i < 25000; i++) {
35 p1->SetRightMargin(0.15);
39 p2->SetBottomMargin(0.2);
ROOT::Detail::TRangeCast< T, true > TRangeDynCast
TRangeDynCast is an adapter class that allows the typed iteration through a TCollection.
R__EXTERN TRandom * gRandom
R__EXTERN TStyle * gStyle
virtual Int_t Fill(Double_t x)
Increment bin with abscissa X by 1.
void Draw(Option_t *option="") override
Draw this histogram with options.
TList * GetListOfFunctions() const
2-D histogram with a double per channel (see TH1 documentation)
void Add(TObject *obj) override
The most important graphics class in the ROOT system.
The palette painting class.
virtual void Rannor(Float_t &a, Float_t &b)
Return 2 numbers distributed following a gaussian with mean=0 and sigma=1.
void SetOptStat(Int_t stat=1)
The type of information printed in the histogram statistics box can be selected via the parameter mod...