doxy: TPC/macros root converted
[u/mrichter/AliRoot.git] / TPC / MakeTPCResMisAlignment.C
CommitLineData
a7a1dd76 1/// \file MakeTPCResMisAlignment.C
2/// \brief Create TClonesArray of residual misalignment objects for TPC
3
4void MakeTPCResMisAlignment() {
5
6fce62af 6 const char* macroname = "MakeTPCResMisAlignment.C";
7
8 // Activate CDB storage and load geometry from CDB
9 AliCDBManager* cdb = AliCDBManager::Instance();
162637e4 10 if(!cdb->IsDefaultStorageSet()) cdb->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
6fce62af 11 cdb->SetRun(0);
12
13 AliCDBStorage* storage;
14
a24be56b 15 if( TString(gSystem->Getenv("TOCDB")) == TString("kTRUE") ){
6fce62af 16 TString Storage = gSystem->Getenv("STORAGE");
17 if(!Storage.BeginsWith("local://") && !Storage.BeginsWith("alien://")) {
18 Error(macroname,"STORAGE variable set to %s is not valid. Exiting\n",Storage.Data());
19 return;
20 }
21 storage = cdb->GetStorage(Storage.Data());
22 if(!storage){
23 Error(macroname,"Unable to open storage %s\n",Storage.Data());
24 return;
25 }
26 AliCDBPath path("GRP","Geometry","Data");
27 AliCDBEntry *entry = storage->Get(path.GetPath(),cdb->GetRun());
28 if(!entry) Fatal(macroname,"Could not get the specified CDB entry!");
29 entry->SetOwner(0);
30 TGeoManager* geom = (TGeoManager*) entry->GetObject();
31 AliGeomManager::SetGeometry(geom);
32 }else{
33 AliGeomManager::LoadGeometry(); //load geom from default CDB storage
34 }
1895a097 35
90dbf5fb 36 TClonesArray *array = new TClonesArray("AliAlignObjParams",100);
1895a097 37 TClonesArray &alobj = *array;
38
39 TRandom *rnd = new TRandom(4357);
1895a097 40 Double_t dx, dy, dz, dpsi, dtheta, dphi;
41 Int_t j = 0;
42
43 // RS = local
d3a9c52a 44 // sigma translation = 0.1 mm
45 // sigma rotation = 0.1 mrad
1895a097 46 Float_t sigmatr=0.01;
d3a9c52a 47 Float_t sigmarot = 0.006;
ae079791 48 for (Int_t iLayer = AliGeomManager::kTPC1; iLayer <= AliGeomManager::kTPC2; iLayer++) {
49 for (Int_t iModule = 0; iModule < AliGeomManager::LayerSize(iLayer); iModule++) {
1895a097 50
5bd470e1 51 dx = rnd->Gaus(0,sigmatr);
52 dy = rnd->Gaus(0,sigmatr);
53 dz = rnd->Gaus(0,sigmatr);
54 dpsi = rnd->Gaus(0,sigmarot);
55 dtheta = rnd->Gaus(0,sigmarot);
56 dphi = rnd->Gaus(0,sigmarot);
1895a097 57
ae079791 58 UShort_t volid = AliGeomManager::LayerToVolUID(iLayer,iModule);
59 const char *symname = AliGeomManager::SymName(volid);
90dbf5fb 60 new(alobj[j]) AliAlignObjParams(symname, volid, dx, dy, dz, dpsi, dtheta, dphi, kFALSE);
1895a097 61 j++;
62 }
63 }
64
a24be56b 65 if( TString(gSystem->Getenv("TOCDB")) != TString("kTRUE") ){
1895a097 66 // save on file
dfe9c69d 67 const char* filename = "TPCresidualMisalignment.root";
68 TFile f(filename,"RECREATE");
69 if(!f){
70 Error(macroname,"cannot open file for output\n");
71 return;
72 }
73 Info(macroname,"Saving alignment objects to the file %s", filename);
1895a097 74 f.cd();
75 f.WriteObject(array,"TPCAlignObjs","kSingleKey");
76 f.Close();
77 }else{
78 // save in CDB storage
1895a097 79 AliCDBMetaData* md = new AliCDBMetaData();
80 md->SetResponsible("Marian Ivanov");
81 md->SetComment("Residual misalignment for TPC, sigmatr=0.01 and sigmarot=0.6 in the local RS");
5bd470e1 82 md->SetAliRootVersion(gSystem->Getenv("ARVERSION"));
dfe9c69d 83 AliCDBId id("TPC/Align/Data",0,AliCDBRunRange::Infinity());
1895a097 84 storage->Put(array,id,md);
85 }
86
87 array->Delete();
88
89}
90