1 void MakeTPCFullMisAlignment(){
2 // Create TClonesArray of full misalignment objects for TPC
4 if(!gGeoManager) TGeoManager::Import("geometry.root");
5 // needed for the constructors with local coordinates not to fail
7 TClonesArray *array = new TClonesArray("AliAlignObjAngles",100);
8 TClonesArray &alobj = *array;
10 TRandom *rnd = new TRandom(4357);
14 // sigma translation = 1mm
15 // sigma rotation = 1mrad
17 Float_t sigmarot = 0.06;
18 for (Int_t iLayer = AliAlignObj::kTPC1; iLayer <= AliAlignObj::kTPC2; iLayer++) {
19 for (Int_t iModule = 0; iModule < AliAlignObj::LayerSize(iLayer); iModule++) {
21 Double_t dx = (rnd->Uniform()-0.5)*sigmatr;
22 Double_t dy = (rnd->Uniform()-0.5)*sigmatr;
23 Double_t dz = (rnd->Uniform()-0.5)*sigmatr;
24 Double_t dpsi = (rnd->Uniform()-0.5)*sigmarot;
25 Double_t dtheta = (rnd->Uniform()-0.5)*sigmarot;
26 Double_t dphi = (rnd->Uniform()-0.5)*sigmarot;
28 UShort_t volid = AliAlignObj::LayerToVolUID(iLayer,iModule);
29 const char *symname = AliAlignObj::SymName(volid);
30 new(alobj[j]) AliAlignObjAngles(symname, volid, dx, dy, dz, dpsi, dtheta, dphi, kFALSE);
36 if(!gSystem->Getenv("$TOCDB")){
38 TFile f("TPCfullMisalignment.root","RECREATE");
39 if(!f) cerr<<"cannot open file for output\n";
41 f.WriteObject(array,"TPCAlignObjs","kSingleKey");
44 // save in CDB storage
45 const char* Storage = gSystem->Getenv("$STORAGE");
46 AliCDBManager* cdb = AliCDBManager::Instance();
47 AliCDBStorage* storage = cdb->GetStorage(Storage);
48 AliCDBMetaData* md = new AliCDBMetaData();
49 md->SetResponsible("Marian Ivanov");
50 md->SetComment("Full misalignment for TPC, sigmatr=0.01 and sigmarot=0.6 in the local RS");
51 md->SetAliRootVersion(gSystem->Getenv("$ARVERSION"));
52 AliCDBId id("TPC/Align/Data",0,9999999);
53 storage->Put(array,id,md);