- fField = fTrigParam->GetField();
- fGeo = (AliTRDgeometry*)AliTRDgeometry::GetGeometry(fRunLoader);
+ // The magnetic field strength
+ Double_t x[3] = { 0.0, 0.0, 0.0 };
+ Double_t b[3];
+ gAlice->Field(x,b); // b[] is in kilo Gauss
+ fField = b[2] * 0.1; // Tesla