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Commit | Line | Data |
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d3edc775 | 1 | |
2 | void Draw(Double_t theta){ | |
3 | // | |
4 | // Draw "primary track distortion" | |
5 | // | |
6 | //Double_t theta=0.5; | |
7 | TF1 *fdrfi_rpi0=new TF1("fdrfi_rpi0",Form("AliTPCExB::GetDrphi(x,0*pi/2,%f*x)",theta),20,250); | |
8 | TF1 *fdrfi_rpi1=new TF1("fdrfi_rpi1",Form("AliTPCExB::GetDrphi(x,1*pi/2,%f*x)",theta),20,250); | |
9 | TF1 *fdrfi_rpi2=new TF1("fdrfi_rpi2",Form("AliTPCExB::GetDrphi(x,2*pi/2,%f*x)",theta),20,250); | |
10 | TF1 *fdrfi_rpi3=new TF1("fdrfi_rpi3",Form("AliTPCExB::GetDrphi(x,3*pi/2,%f*x)",theta),20,250); | |
11 | ||
12 | fdrfi_rpi0->GetXaxis()->SetTitle("r (cm)"); | |
13 | fdrfi_rpi0->GetYaxis()->SetTitle("drd#phi (cm)"); | |
14 | ||
15 | fdrfi_rpi0->SetLineColor(2); | |
16 | fdrfi_rpi1->SetLineColor(3); | |
17 | fdrfi_rpi2->SetLineColor(4); | |
18 | fdrfi_rpi3->SetLineColor(5); | |
19 | ||
20 | fdrfi_rpi0->Draw(); | |
21 | fdrfi_rpi1->Draw("same"); | |
22 | fdrfi_rpi2->Draw("same"); | |
23 | fdrfi_rpi3->Draw("same"); | |
24 | ||
25 | TLegend *legend = new TLegend(0.15,0.70,0.6,0.85, Form("ExB distortion alog track (tan(#theta)=%f)",theta)); | |
26 | legend->AddEntry(fdrfi_rpi0, "#phi=0", "l"); | |
27 | legend->AddEntry(fdrfi_rpi1, "#phi=#pi/2", "l"); | |
28 | legend->AddEntry(fdrfi_rpi2, "#phi=pi", "l"); | |
29 | legend->AddEntry(fdrfi_rpi3, "#phi=3*#pi/2", "l"); | |
30 | legend->Draw(); | |
31 | } |