--- /dev/null
+//
+// Macro to Setup OCDB
+// This is just example macro - using the alien OCDB
+// Responsible: marian.ivanov@cern.ch
+// To be used:
+// 1. Before invocation of the calibration - in the calibration trains
+// 2. To setup calibration viewer.
+//
+// ConfigOCDB - setup default and specific data storage
+// SetupCustom - user sepcific configuration
+// - Values in local cache of OCDB are overwritten
+
+
+
+void SetupCustom(Int_t run);
+
+void ConfigOCDBAlien(Int_t crun=-1){
+ //
+ TGrid * alien = TGrid::Connect("alien://",0,0,"t");
+ printf("SETUP OCBD for TPC\n");
+ //
+ AliCDBManager::Instance()->SetDefaultStorage("raw://");
+
+ Int_t run =crun;
+ if (run<0) run =0;
+ AliCDBManager::Instance()->SetRun(run);
+ AliTPCcalibDB::Instance()->SetRun(run);
+ SetupCustom(run);
+}
+
+
+void SetupCustom(Int_t run){
+ //
+ //
+ // Custom part - to be empty once we are happy with the calibration
+ //
+ //
+ // Setup magnetic field - In future this should be part of GRP functionality
+ //
+ AliGRPObject *grp = AliTPCcalibDB::GetGRP(run);
+ Float_t current = 0;
+ Float_t bz = 0;
+ if (grp){
+ current = grp->GetL3Current((AliGRPObject::Stats)0);
+ bz = 5*current/30000.;
+ printf("Run%d\tL3 current%f\tBz\t%f\n",run,current,bz);
+ }
+ else{
+ printf("Run%d\tL3 current%f\tBz\t%f\n",run,current,bz);
+ }
+ AliMagF::BMap_t smag = AliMagF::k5kG;
+ Double_t bzfac = bz/5;
+ Double_t bzfacOrig=bzfac;
+ if (TMath::Abs(bzfac)<0.01) { // force default magnetic field if 0 field used
+ bzfac=1;
+ bz=5;
+ }
+ AliMagF * magF = new AliMagF("Maps","Maps", 2, bzfac, 1., smag);
+ TGeoGlobalMagField::Instance()->SetField(magF);
+ printf("\n\nSET EXB FIELD\t\n\n");
+ AliTPCcalibDB::Instance()->SetExBField(magF);
+
+ AliTPCClusterParam * paramCl = AliTPCcalibDB::Instance()->GetClusterParam();
+ AliTPCParam * paramTPC = AliTPCcalibDB::Instance()->GetParameters();
+ paramCl->SetInstance(paramCl);
+
+ if (TMath::Abs(bzfacOrig)<0.05){
+ tpcRecoParam->SetUseExBCorrection(kFALSE);
+ }
+ //
+ //
+ //
+ printf("END of SETUP OCBD for TPC\n");
+}
+
+