void MakeVZEROTimeSlewingEntry() { AliCDBManager *man = AliCDBManager::Instance(); man->SetDefaultStorage("local://$ALICE_ROOT/OCDB"); // Creation of the time slewing OCDB object // x = ADC charge / TDC threshold TF1 *slew = new TF1("TimeSlewing","[0]*TMath::Power(x,[1])",1,1024); slew->SetParameter(0,1.05e1); slew->SetParameter(1,-5.0e-1); /* NO. NAME VALUE ERROR SIZE DERIVATIVE 1 p0 1.04508e+01 1.25434e-02 1.62336e-04 -1.01124e-02 2 p1 -4.85664e-01 1.26751e-03 5.74823e-06 -2.65093e-01 3 p2 7.79978e+01 7.05932e-03 4.05090e-05 -3.55601e-02 FCN=7919.32 FROM MIGRAD STATUS=CONVERGED 104 CALLS 105 TOTAL EDM=4.59683e-11 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 p0 1.03716e+01 8.01903e-03 8.58839e-05 2.80998e-03 2 p1 -4.90768e-01 1.00097e-03 3.29876e-06 9.17350e-02 3 p2 7.80244e+01 5.57426e-03 3.72049e-05 1.45924e-02 */ /* NO. NAME VALUE ERROR SIZE DERIVATIVE 1 p0 1.06394e+01 8.78531e-03 -0.00000e+00 2.64914e-06 2 p1 -5.00000e-01 fixed 3 p2 7.80541e+01 2.10785e-03 0.00000e+00 3.36855e-07 NO. NAME VALUE ERROR SIZE DERIVATIVE 1 p0 1.04238e+01 5.26216e-03 8.98026e-05 1.59005e-05 2 p1 -5.00000e-01 fixed 3 p2 7.80744e+01 1.37139e-03 3.72288e-05 2.78012e-05 */ TObjString str("VZERO Time-slewing correction"); AliCDBMetaData *md= new AliCDBMetaData(); // metaData describing the object md->SetResponsible("Brigitte Cheynis"); md->SetBeamPeriod(0); md->SetAliRootVersion(gSystem->Getenv("ARVERSION")); md->SetComment("Time-slewing correction used in reconstruction and MC simulation"); md->PrintMetaData(); AliCDBStorage *storLoc = man->GetDefaultStorage(); AliCDBId id("VZERO/Calib/TimeSlewing",0,AliCDBRunRange::Infinity()); storLoc->Put(slew, id, md); storLoc->Delete(); delete md; }