1 void MakeTPCResMisAlignment(){
2 // Create TClonesArray of residual misalignment objects for TPC
4 if(!AliGeomManager::GetGeometry()){
5 if(!(AliCDBManager::Instance())->IsDefaultStorageSet())
6 AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT");
7 AliCDBManager::Instance()->SetRun(0);
8 AliGeomManager::LoadGeometry();
10 // needed for the constructors with local coordinates not to fail
12 TClonesArray *array = new TClonesArray("AliAlignObjAngles",100);
13 TClonesArray &alobj = *array;
15 TRandom *rnd = new TRandom(4357);
17 Double_t dx, dy, dz, dpsi, dtheta, dphi;
21 // sigma translation = 0.1 mm
22 // sigma rotation = 0.1 mrad
24 Float_t sigmarot = 0.006;
25 for (Int_t iLayer = AliGeomManager::kTPC1; iLayer <= AliGeomManager::kTPC2; iLayer++) {
26 for (Int_t iModule = 0; iModule < AliGeomManager::LayerSize(iLayer); iModule++) {
28 dx = rnd->Gaus(0,sigmatr);
29 dy = rnd->Gaus(0,sigmatr);
30 dz = rnd->Gaus(0,sigmatr);
31 dpsi = rnd->Gaus(0,sigmarot);
32 dtheta = rnd->Gaus(0,sigmarot);
33 dphi = rnd->Gaus(0,sigmarot);
35 UShort_t volid = AliGeomManager::LayerToVolUID(iLayer,iModule);
36 const char *symname = AliGeomManager::SymName(volid);
37 new(alobj[j]) AliAlignObjAngles(symname, volid, dx, dy, dz, dpsi, dtheta, dphi, kFALSE);
43 const char* macroname = "MakeTPCResMisAlignment.C";
44 if( gSystem->Getenv("TOCDB") != TString("kTRUE") ){
46 const char* filename = "TPCresidualMisalignment.root";
47 TFile f(filename,"RECREATE");
49 Error(macroname,"cannot open file for output\n");
52 Info(macroname,"Saving alignment objects to the file %s", filename);
54 f.WriteObject(array,"TPCAlignObjs","kSingleKey");
57 // save in CDB storage
58 TString Storage = gSystem->Getenv("STORAGE");
59 if(!Storage.BeginsWith("local://") && !Storage.BeginsWith("alien://")) {
60 Error(macroname,"STORAGE variable set to %s is not valid. Exiting\n",Storage.Data());
63 Info(macroname,"Saving alignment objects in CDB storage %s",
65 AliCDBManager* cdb = AliCDBManager::Instance();
66 AliCDBStorage* storage = cdb->GetStorage(Storage.Data());
68 Error(macroname,"Unable to open storage %s\n",Storage.Data());
71 AliCDBMetaData* md = new AliCDBMetaData();
72 md->SetResponsible("Marian Ivanov");
73 md->SetComment("Residual misalignment for TPC, sigmatr=0.01 and sigmarot=0.6 in the local RS");
74 md->SetAliRootVersion(gSystem->Getenv("ARVERSION"));
75 AliCDBId id("TPC/Align/Data",0,AliCDBRunRange::Infinity());
76 storage->Put(array,id,md);