AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., 1);
AliTracker::SetFieldMap(field,1);
rec.SetWriteAlignmentData(kTRUE);
AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., 1);
AliTracker::SetFieldMap(field,1);
rec.SetWriteAlignmentData(kTRUE);