2 gSystem->AddIncludePath("-I$ALICE_ROOT/TPC");
3 .L $ALICE_ROOT/TPC/AliTPCDistortions.cxx+
4 .L $ALICE_ROOT/TPC/CalibMacros/AliTPCDistortionFun.C+
7 // integrated distortion
9 TF2 fdistIFCXvZX("fdistIFCXvZX","GetIFCDistortion(y,0,x,0)",-250,250,80,250);
10 fdistIFCXvZX.GetXaxis()->SetTitle("Z (cm)");
11 fdistIFCXvZX.GetYaxis()->SetTitle("local X (cm)");
12 fdistIFCXvZX->Draw("colz");
14 // local distortion angle mrad
16 TF2 fangleIFCXvZX("fangleIFCXvZX","1000*(GetIFCDistortion(y,0,x,0)-GetIFCDistortion(y,0,x-1,0))*sign(x)",-250,250,85,245);
17 fangleIFCXvZX.GetXaxis()->SetTitle("Z (cm)");
18 fangleIFCXvZX.GetYaxis()->SetTitle("local X (cm)");
19 fangleIFCXvZX->Draw("colz");
24 #include "AliTPCDistortions.h"
27 Double_t GetIFCDistortion(Double_t lx, Double_t ly, Double_t lz, Int_t icoord, Double_t shift=1.){
29 static AliTPCDistortions transform;
30 Double_t xyzIn[3]={lx, ly, lz};
31 Double_t xyzOut[3]={lx, ly, lz};
32 transform.SetIFCShift(1);
34 if (lz<0) { dummyROC=36;}
35 transform.UndoIFCShiftDistortion(xyzIn,xyzOut,dummyROC);
37 if (icoord<3) result=xyzOut[icoord]-xyzIn[icoord];