/// \file MakeTPCFullMisAlignment.C /// \brief Create TClonesArray of full misalignment objects for TPC void MakeTPCFullMisAlignment(){ const char* macroname = "MakeTPCFullMisAlignment.C"; // Activate CDB storage and load geometry from CDB AliCDBManager* cdb = AliCDBManager::Instance(); if(!cdb->IsDefaultStorageSet()) cdb->SetDefaultStorage("local://$ALICE_ROOT/OCDB"); cdb->SetRun(0); AliCDBStorage* storage; if( TString(gSystem->Getenv("TOCDB")) == TString("kTRUE") ){ TString Storage = gSystem->Getenv("STORAGE"); if(!Storage.BeginsWith("local://") && !Storage.BeginsWith("alien://")) { Error(macroname,"STORAGE variable set to %s is not valid. Exiting\n",Storage.Data()); return; } storage = cdb->GetStorage(Storage.Data()); if(!storage){ Error(macroname,"Unable to open storage %s\n",Storage.Data()); return; } AliCDBPath path("GRP","Geometry","Data"); AliCDBEntry *entry = storage->Get(path.GetPath(),cdb->GetRun()); if(!entry) Fatal(macroname,"Could not get the specified CDB entry!"); entry->SetOwner(0); TGeoManager* geom = (TGeoManager*) entry->GetObject(); AliGeomManager::SetGeometry(geom); }else{ AliGeomManager::LoadGeometry(); //load geom from default CDB storage } TClonesArray *array = new TClonesArray("AliAlignObjParams",100); TClonesArray &alobj = *array; TRandom *rnd = new TRandom(4357); Int_t j = 0; Double_t dx, dy, dz, dpsi, dtheta, dphi; // RS = local // sigma translation = 0.1 mm // sigma rotation = 0.1 mrad Float_t sigmatr=0.01; Float_t sigmarot = 0.006; for (Int_t iLayer = AliGeomManager::kTPC1; iLayer <= AliGeomManager::kTPC2; iLayer++) { for (Int_t iModule = 0; iModule < AliGeomManager::LayerSize(iLayer); iModule++) { dx = rnd->Gaus(0,sigmatr); dy = rnd->Gaus(0,sigmatr); dz = rnd->Gaus(0,sigmatr); dpsi = rnd->Gaus(0,sigmarot); dtheta = rnd->Gaus(0,sigmarot); dphi = rnd->Gaus(0,sigmarot); UShort_t volid = AliGeomManager::LayerToVolUID(iLayer,iModule); const char *symname = AliGeomManager::SymName(volid); new(alobj[j++]) AliAlignObjParams(symname, volid, dx, dy, dz, dpsi, dtheta, dphi, kFALSE); } } if( TString(gSystem->Getenv("TOCDB")) != TString("kTRUE") ){ // save on file const char* filename = "TPCfullMisalignment.root"; TFile f(filename,"RECREATE"); if(!f){ Error(macroname,"cannot open file for output\n"); return; } Info(macroname,"Saving alignment objects to the file %s", filename); f.cd(); f.WriteObject(array,"TPCAlignObjs","kSingleKey"); f.Close(); }else{ // save in CDB storage AliCDBMetaData* md = new AliCDBMetaData(); md->SetResponsible("Marian Ivanov"); md->SetComment("Full misalignment for TPC, sigmatr=0.01 and sigmarot=0.6 in the local RS"); md->SetAliRootVersion(gSystem->Getenv("ARVERSION")); AliCDBId id("TPC/Align/Data",0,AliCDBRunRange::Infinity()); storage->Put(array,id,md); } array->Delete(); }