// See example macro $ALICE_ROOT/TPC/macros/AliTPCExBdraw.C
//
.L $ALICE_ROOT/TPC/macros/AliTPCExBdraw.C
- Draw(0)
+ DrawPrim(0)
+ DrawLaser(0)
*/
-void Draw(Double_t theta,Float_t magf=5){
+void DrawPrim(Double_t theta,Float_t magf=5){
//
// Draw "primary track distortion"
//
//Double_t theta=0.5;
+
TF1 *fdrfi_rpi0=new TF1("fdrfi_rpi0",Form("AliTPCExB::GetDrphi(x,0*pi/2,%f*x)",theta),20,250);
TF1 *fdrfi_rpi1=new TF1("fdrfi_rpi1",Form("AliTPCExB::GetDrphi(x,1*pi/2,%f*x)",theta),20,250);
TF1 *fdrfi_rpi2=new TF1("fdrfi_rpi2",Form("AliTPCExB::GetDrphi(x,2*pi/2,%f*x)",theta),20,250);
fdrfi_rpi2->Draw("same");
fdrfi_rpi3->Draw("same");
- TLegend *legend = new TLegend(0.10,0.50,0.8,0.90, Form("ExB distortion alog track (tan(#theta)=%f)",theta));
+ TLegend *legend = new TLegend(0.10,0.50,0.8,0.90, Form("ExB distortion along track (tan(#theta)=%f)",theta));
legend->AddEntry(fdrfi_rpi0, leg0, "l");
legend->AddEntry(fdrfi_rpi1, leg1, "l");
legend->AddEntry(fdrfi_rpi2, leg2, "l");
legend->AddEntry(fdrfi_rpi3, leg3, "l");
legend->Draw();
}
+
+
+
+void DrawLaser(Double_t fipi2,Float_t magf=5){
+ //
+ // Draw "primary track distortion"
+ //
+ //Double_t fipi2=0.5;
+
+ TF2 *fdistout = new TF1("fdistout","[0]+[1]*(x-250)+[2]*(x-250)*(x-250)",90,250);
+
+ TF1 *fdrfi_rpi0=new TF1("fdrfi_rpi0",Form("AliTPCExB::GetDrphi(x,%f*pi/2,250-20)",fipi2),20,250);
+ TF1 *fdrfi_rpi1=new TF1("fdrfi_rpi1",Form("AliTPCExB::GetDrphi(x,%f*pi/2,250-90)",fipi2),20,250);
+ TF1 *fdrfi_rpi2=new TF1("fdrfi_rpi2",Form("AliTPCExB::GetDrphi(x,%f*pi/2,250-160)",fipi2),20,250);
+ TF1 *fdrfi_rpi3=new TF1("fdrfi_rpi3",Form("AliTPCExB::GetDrphi(x,%f*pi/2,250-230)",fipi2),20,250);
+
+ fdrfi_rpi0->GetXaxis()->SetTitle("r (cm)");
+ fdrfi_rpi0->GetYaxis()->SetTitle("drd#phi (cm)");
+
+ fdrfi_rpi0->SetLineColor(2);
+ fdrfi_rpi1->SetLineColor(3);
+ fdrfi_rpi2->SetLineColor(4);
+ fdrfi_rpi3->SetLineColor(5);
+ char leg0[1000];
+ char leg1[1000];
+ char leg2[1000];
+ char leg3[1000];
+ Float_t conv= 1/(magf*0.299792458e-3);
+ fdrfi_rpi0->GetHistogram()->Fit("fdistout","same","",90,250);
+ sprintf(leg0,"laser 0 Track res: dy=%.2f mm d#phi=%.2f mrad dC = %.6f 1/GeV",
+ 10*fdistout->GetParameter(0),1000*fdistout->GetParameter(1), conv*fdistout->GetParameter(2));
+ fdrfi_rpi1->GetHistogram()->Fit("fdistout","same","",90,250);
+ sprintf(leg1,"laser 1 Track res: dy=%.2f mm d#phi=%.2f mrad dC = %.6f 1/GeV",
+ 10*fdistout->GetParameter(0),1000*fdistout->GetParameter(1),conv*fdistout->GetParameter(2));
+ fdrfi_rpi2->GetHistogram()->Fit("fdistout","same","",90,250);
+ sprintf(leg2,"laser 2 Track res: dy=%.2f mm d#phi=%.2f mrad dC = %.6f 1/GeV",
+ 10*fdistout->GetParameter(0),1000*fdistout->GetParameter(1),conv*fdistout->GetParameter(2));
+ fdrfi_rpi3->GetHistogram()->Fit("fdistout","same","",90,250);
+ sprintf(leg3,"laser 3 Track res: dy=%.2f mm d#phi=%.2f mrad dC = %.6f 1/GeV",
+ 10*fdistout->GetParameter(0),1000*fdistout->GetParameter(1),conv*fdistout->GetParameter(2));
+ fdrfi_rpi0->SetMaximum(fdrfi_rpi3->GetMaximum()*2.0);
+ fdrfi_rpi0->Draw();
+ fdrfi_rpi1->Draw("same");
+ fdrfi_rpi2->Draw("same");
+ fdrfi_rpi3->Draw("same");
+
+ TLegend *legend = new TLegend(0.10,0.50,0.8,0.90, Form("ExB distortion along track (fi=%f*#pi/2))",fipi2));
+ legend->AddEntry(fdrfi_rpi0, leg0, "l");
+ legend->AddEntry(fdrfi_rpi1, leg1, "l");
+ legend->AddEntry(fdrfi_rpi2, leg2, "l");
+ legend->AddEntry(fdrfi_rpi3, leg3, "l");
+ legend->Draw();
+}
+
+
+
+void DrawDpt(Float_t d1pt, Float_t ptmin, Float_t ptmax){
+ //
+ //
+ //
+
+}