1 void MakeVZEROFullMisAlignment(){
2 // Create TClonesArray of full misalignment objects for VZERO
4 const char* macroname = "MakeVZEROFullMisAlignment.C";
6 TClonesArray *array = new TClonesArray("AliAlignObjParams",10);
7 TClonesArray &alobj = *array;
9 // Activate CDB storage and load geometry from CDB
10 AliCDBManager* cdb = AliCDBManager::Instance();
11 if(!cdb->IsDefaultStorageSet()) cdb->SetDefaultStorage("local://$ALICE_ROOT");
14 AliCDBStorage* storage;
16 if( TString(gSystem->Getenv("TOCDB")) == TString("kTRUE") ){
17 TString Storage = gSystem->Getenv("STORAGE");
18 if(!Storage.BeginsWith("local://") && !Storage.BeginsWith("alien://")) {
19 Error(macroname,"STORAGE variable set to %s is not valid. Exiting\n",Storage.Data());
22 storage = cdb->GetStorage(Storage.Data());
24 Error(macroname,"Unable to open storage %s\n",Storage.Data());
27 AliCDBPath path("GRP","Geometry","Data");
28 AliCDBEntry *entry = storage->Get(path.GetPath(),cdb->GetRun());
29 if(!entry) Fatal(macroname,"Could not get the specified CDB entry!");
31 TGeoManager* geom = (TGeoManager*) entry->GetObject();
32 AliGeomManager::SetGeometry(geom);
34 AliGeomManager::LoadGeometry(); //load geom from default CDB storage
37 Double_t dx, dy, dz, dpsi, dtheta, dphi;
38 TRandom *rnd = new TRandom(4321);
39 Double_t sigmatr = 0.1; // max shift in cm
40 Double_t sigmarot = 0.5; // max rot in degrees
42 const char *V0right="VZERO/V0C";
43 const char *V0left="VZERO/V0A";
45 Int_t iIndex=0; //let all modules have index=0 in a layer with no LUT
46 AliGeomManager::ELayerID iLayer = AliGeomManager::kInvalidLayer;
47 UShort_t volid = AliGeomManager::LayerToVolUID(iLayer,iIndex);
49 dx = rnd->Gaus(0.,sigmatr);
50 dy = rnd->Gaus(0.,sigmatr);
51 dz = rnd->Gaus(0.,sigmatr);
52 dpsi = rnd->Gaus(0.,sigmarot);
53 dtheta = rnd->Gaus(0.,sigmarot);
54 dphi = rnd->Gaus(0.,sigmarot);
55 new(alobj[0]) AliAlignObjParams(V0right, volid, dx, dy, dz, dpsi, dtheta,
57 AliAlignObjParams* itsalobj = (AliAlignObjParams*) alobj.UncheckedAt(0);
58 itsalobj->ApplyToGeometry();
60 dx = rnd->Gaus(0.,sigmatr);
61 dy = rnd->Gaus(0.,sigmatr);
62 dz = rnd->Gaus(0.,sigmatr);
63 dpsi = rnd->Gaus(0.,sigmarot);
64 dtheta = rnd->Gaus(0.,sigmarot);
65 dphi = rnd->Gaus(0.,sigmarot);
66 new(alobj[1]) AliAlignObjParams(V0left, volid, dx, dy, dz, dpsi, dtheta,
68 AliAlignObjParams* itsalobj = (AliAlignObjParams*) alobj.UncheckedAt(1);
69 itsalobj->ApplyToGeometry();
71 if(TString(gSystem->Getenv("TOCDB")) != TString("kTRUE") ){
73 const char* filename = "VZEROfullMisalignment.root";
74 TFile f(filename,"RECREATE");
76 Error(macroname,"cannot open file for output\n");
79 Info(macroname,"Saving alignment objects to the file %s", filename);
81 f.WriteObject(array,"VZEROAlignObjs","kSingleKey");
84 // save in CDB storage
85 AliCDBMetaData* md = new AliCDBMetaData();
86 md->SetResponsible("Brigitte Cheynis");
87 md->SetComment("Alignment objects for V0 full misalignment");
88 md->SetAliRootVersion(gSystem->Getenv("ARVERSION"));
89 AliCDBId id("VZERO/Align/Data",0,AliCDBRunRange::Infinity());
90 storage->Put(array,id,md);