Hi,
I am not sure to understand correctly your request.
The example in the attachement will may be give you some hints.
Rene Brun
Manoj Jha wrote:
>
> Dear Rooters,
> I have two one dimensional histograms. I want to plot theses two one
> dimenasional histograms as one two dimensional histogram. For this
> purpose, I used TH2F to create the two dimensional histogram. When using
> TH2F, I am getting scatter plot. But, I need the two dimensional plot in
> the form of hitogram instead of scatter plot. Please let me know if you
> have solution for it.
>
> With best wishes,
> manoj jha
>
void manoj() {
TCanvas *c1 = new TCanvas("c1","c1",600,900);
c1->Divide(1,2);
//method 1
c1->cd(1);
gPad->SetFrameFillColor(41);
gPad->SetTheta(1.97);
gPad->SetPhi(2.60);
TH2F *h = new TH2F("h","test",30,-3,3,2,0,2);
h->SetFillColor(38);
h->GetYaxis()->SetNdivisions(2);
TRandom r;
for (int i=0;i<1000;i++) {
h->Fill(1.3*r.Gaus(1,0.8),0.5);
h->Fill(1.0*r.Gaus(-1,1),1.5,1.2);
}
h->Draw("lego1");
//method2
c1->cd(2);
gPad->SetFrameFillColor(41);
gPad->SetTheta(1.97);
gPad->SetPhi(2.60);
TH2F *h1 = new TH2F("h1","test",30,-3,3,2,0,2);
TH2F *h2 = new TH2F("h2","test",30,-3,3,2,0,2);
h1->SetFillColor(38);
h2->SetFillColor(50);
for (int i=0;i<1000;i++) {
h1->Fill(1.3*r.Gaus(1,0.8),0.5);
h2->Fill(1.0*r.Gaus(-1,1),1.5,1.2);
}
THStack *s = new THStack("s","test");
s->Add(h1,"lego1");
s->Add(h2,"lego1");
s->Draw();
s->GetYaxis()->SetNdivisions(2);
}
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