// "xrho" - thickness*density [g/cm^2]
//
- if (TMath::Abs(xk - GetX())<1.e-2) return kTRUE; // 100mum limit
+ if (TMath::Abs(xk - GetX())<AliTRDReconstructor::GetEpsilon()*0.1) return kTRUE; // 10% of the tracker precision
Double_t xyz0[3] = {GetX(), GetY(), GetZ()}, // track position BEFORE propagation
b[3]; // magnetic field