1 /// \file AliTPCExBdraw.C
4 /// char *storage = "local://OCDBres"
6 /// AliCDBManager::Instance()->SetDefaultStorage(storage);
7 /// AliCDBManager::Instance()->SetRun(RunNumber)
8 /// AliTPCExBFirst * exb = AliTPCcalibDB::Instance()->GetExB();
9 /// // See example macro $ALICE_ROOT/TPC/macros/AliTPCExBdraw.C
10 /// .L $ALICE_ROOT/TPC/macros/AliTPCExBdraw.C
15 void DrawPrim(Double_t theta,Float_t magf=5){
16 /// Draw "primary track distortion"
18 /// Double_t theta=0.5;
20 TF1 *fdrfi_rpi0=new TF1("fdrfi_rpi0",Form("AliTPCExB::GetDrphi(x,0*pi/2,%f*x)",theta),20,250);
21 TF1 *fdrfi_rpi1=new TF1("fdrfi_rpi1",Form("AliTPCExB::GetDrphi(x,1*pi/2,%f*x)",theta),20,250);
22 TF1 *fdrfi_rpi2=new TF1("fdrfi_rpi2",Form("AliTPCExB::GetDrphi(x,2*pi/2,%f*x)",theta),20,250);
23 TF1 *fdrfi_rpi3=new TF1("fdrfi_rpi3",Form("AliTPCExB::GetDrphi(x,3*pi/2,%f*x)",theta),20,250);
25 fdrfi_rpi0->GetXaxis()->SetTitle("r (cm)");
26 fdrfi_rpi0->GetYaxis()->SetTitle("drd#phi (cm)");
28 fdrfi_rpi0->SetLineColor(2);
29 fdrfi_rpi1->SetLineColor(3);
30 fdrfi_rpi2->SetLineColor(4);
31 fdrfi_rpi3->SetLineColor(5);
36 Float_t conv= 1/(magf*0.299792458e-3);
37 fdrfi_rpi0->GetHistogram()->Fit("pol2","same","",90,250);
38 sprintf(leg0,"#phi=0*#pi/2 Track res: dy=%.2f mm d#phi=%.2f mrad dC = %.6f 1/GeV",
39 10*pol2->GetParameter(0),1000*pol2->GetParameter(1), conv*pol2->GetParameter(2));
40 fdrfi_rpi1->GetHistogram()->Fit("pol2","same","",90,250);
41 sprintf(leg1,"#phi=1*#pi/2 Track res: dy=%.2f mm d#phi=%.2f mrad dC = %.6f 1/GeV",
42 10*pol2->GetParameter(0),1000*pol2->GetParameter(1),conv*pol2->GetParameter(2));
43 fdrfi_rpi2->GetHistogram()->Fit("pol2","same","",90,250);
44 sprintf(leg2,"#phi=2*#pi/2 Track res: dy=%.2f mm d#phi=%.2f mrad dC = %.6f 1/GeV",
45 10*pol2->GetParameter(0),1000*pol2->GetParameter(1),conv*pol2->GetParameter(2));
46 fdrfi_rpi3->GetHistogram()->Fit("pol2","same","",90,250);
47 sprintf(leg3,"#phi=3*#pi/2 Track res: dy=%.2f mm d#phi=%.2f mrad dC = %.6f 1/GeV",
48 10*pol2->GetParameter(0),1000*pol2->GetParameter(1),conv*pol2->GetParameter(2));
49 fdrfi_rpi0->SetMaximum(fdrfi_rpi0->GetMaximum()*2.0);
51 fdrfi_rpi1->Draw("same");
52 fdrfi_rpi2->Draw("same");
53 fdrfi_rpi3->Draw("same");
55 TLegend *legend = new TLegend(0.10,0.50,0.8,0.90, Form("ExB distortion along track (tan(#theta)=%f)",theta));
56 legend->AddEntry(fdrfi_rpi0, leg0, "l");
57 legend->AddEntry(fdrfi_rpi1, leg1, "l");
58 legend->AddEntry(fdrfi_rpi2, leg2, "l");
59 legend->AddEntry(fdrfi_rpi3, leg3, "l");
65 void DrawLaser(Double_t fipi2,Float_t magf=5){
66 /// Draw "primary track distortion"
68 /// Double_t fipi2=0.5;
70 TF2 *fdistout = new TF1("fdistout","[0]+[1]*(x-250)+[2]*(x-250)*(x-250)",90,250);
72 TF1 *fdrfi_rpi0=new TF1("fdrfi_rpi0",Form("AliTPCExB::GetDrphi(x,%f*pi/2,250-20)",fipi2),20,250);
73 TF1 *fdrfi_rpi1=new TF1("fdrfi_rpi1",Form("AliTPCExB::GetDrphi(x,%f*pi/2,250-90)",fipi2),20,250);
74 TF1 *fdrfi_rpi2=new TF1("fdrfi_rpi2",Form("AliTPCExB::GetDrphi(x,%f*pi/2,250-160)",fipi2),20,250);
75 TF1 *fdrfi_rpi3=new TF1("fdrfi_rpi3",Form("AliTPCExB::GetDrphi(x,%f*pi/2,250-230)",fipi2),20,250);
77 fdrfi_rpi0->GetXaxis()->SetTitle("r (cm)");
78 fdrfi_rpi0->GetYaxis()->SetTitle("drd#phi (cm)");
80 fdrfi_rpi0->SetLineColor(2);
81 fdrfi_rpi1->SetLineColor(3);
82 fdrfi_rpi2->SetLineColor(4);
83 fdrfi_rpi3->SetLineColor(5);
88 Float_t conv= 1/(magf*0.299792458e-3);
89 fdrfi_rpi0->GetHistogram()->Fit("fdistout","same","",90,250);
90 sprintf(leg0,"laser 0 Track res: dy=%.2f mm d#phi=%.2f mrad dC = %.6f 1/GeV",
91 10*fdistout->GetParameter(0),1000*fdistout->GetParameter(1), conv*fdistout->GetParameter(2));
92 fdrfi_rpi1->GetHistogram()->Fit("fdistout","same","",90,250);
93 sprintf(leg1,"laser 1 Track res: dy=%.2f mm d#phi=%.2f mrad dC = %.6f 1/GeV",
94 10*fdistout->GetParameter(0),1000*fdistout->GetParameter(1),conv*fdistout->GetParameter(2));
95 fdrfi_rpi2->GetHistogram()->Fit("fdistout","same","",90,250);
96 sprintf(leg2,"laser 2 Track res: dy=%.2f mm d#phi=%.2f mrad dC = %.6f 1/GeV",
97 10*fdistout->GetParameter(0),1000*fdistout->GetParameter(1),conv*fdistout->GetParameter(2));
98 fdrfi_rpi3->GetHistogram()->Fit("fdistout","same","",90,250);
99 sprintf(leg3,"laser 3 Track res: dy=%.2f mm d#phi=%.2f mrad dC = %.6f 1/GeV",
100 10*fdistout->GetParameter(0),1000*fdistout->GetParameter(1),conv*fdistout->GetParameter(2));
101 fdrfi_rpi0->SetMaximum(fdrfi_rpi3->GetMaximum()*2.0);
103 fdrfi_rpi1->Draw("same");
104 fdrfi_rpi2->Draw("same");
105 fdrfi_rpi3->Draw("same");
107 TLegend *legend = new TLegend(0.10,0.50,0.8,0.90, Form("ExB distortion along track (fi=%f*#pi/2))",fipi2));
108 legend->AddEntry(fdrfi_rpi0, leg0, "l");
109 legend->AddEntry(fdrfi_rpi1, leg1, "l");
110 legend->AddEntry(fdrfi_rpi2, leg2, "l");
111 legend->AddEntry(fdrfi_rpi3, leg3, "l");
117 void DrawDpt(Float_t d1pt, Float_t ptmin, Float_t ptmax){