+
+ if(fMagBG->GetButton(kFld0)->GetState()) fprintf(fp," AliMagFMaps *field=new AliMagFMaps(\"Maps\",\"Maps\",2,0,10.,2);//no field\n");
+ else if(fMagBG->GetButton(kFld2)->GetState()) fprintf(fp," AliMagFMaps *field=new AliMagFMaps(\"Maps\",\"Maps\",2,1,10,0);//0.2 Tesla field\n");
+ else if(fMagBG->GetButton(kFld4)->GetState()) fprintf(fp," AliMagFMaps *field=new AliMagFMaps(\"Maps\",\"Maps\",2,1,10,1);//0.4 Tesla field\n");
+ else if(fMagBG->GetButton(kFld5)->GetState()) fprintf(fp," AliMagFMaps *field=new AliMagFMaps(\"Maps\",\"Maps\",2,1,10,2);//0.5 Tesla field\n");
+ else if(fMagBG->GetButton(kFld_2)->GetState()) fprintf(fp," AliMagFMaps *field=new AliMagFMaps(\"Maps\",\"Maps\",2,-1,10,0);//-0.2 Tesla field\n");
+ else if(fMagBG->GetButton(kFld_4)->GetState()) fprintf(fp," AliMagFMaps *field=new AliMagFMaps(\"Maps\",\"Maps\",2,-1,10,1);//-0.4 Tesla field\n");
+ else if(fMagBG->GetButton(kFld_5)->GetState()) fprintf(fp," AliMagFMaps *field=new AliMagFMaps(\"Maps\",\"Maps\",2,-1,10,2);//-0.5 Tesla field\n");
+
+ fprintf(fp," Bool_t uniform=kTRUE;\n");
+ fprintf(fp," AliTracker::SetFieldMap(field,uniform);\n\n");
+