Extacting the OCDB in a separate module. The detectors have write permission in the...
[u/mrichter/AliRoot.git] / HMPID / MakeHMPIDResMisAlignment.C
CommitLineData
d3da6dc4 1void MakeHMPIDResMisAlignment(){
2 // Create TClonesArray of residual misalignment objects for HMPID
3 //
71efb7b5 4 const char* macroname = "MakeHMPIDResMisAlignment.C";
5 // Activate CDB storage and load geometry from CDB
6 AliCDBManager* cdb = AliCDBManager::Instance();
162637e4 7 if(!cdb->IsDefaultStorageSet()) cdb->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
71efb7b5 8 cdb->SetRun(0);
9
10 AliCDBStorage* storage;
11 TString Storage;
12
13 if( TString(gSystem->Getenv("TOCDB")) == TString("kTRUE") ){
14 Storage = gSystem->Getenv("STORAGE");
15 if(!Storage.BeginsWith("local://") && !Storage.BeginsWith("alien://")) {
16 Error(macroname,"STORAGE variable set to %s is not valid. Exiting\n",Storage.Data());
17 return;
18 }
19 storage = cdb->GetStorage(Storage.Data());
20 if(!storage){
21 Error(macroname,"Unable to open storage %s\n",Storage.Data());
22 return;
23 }
24 AliCDBPath path("GRP","Geometry","Data");
25 AliCDBEntry *entry = storage->Get(path.GetPath(),cdb->GetRun());
26 if(!entry) Fatal(macroname,"Could not get the specified CDB entry!");
27 entry->SetOwner(0);
28 TGeoManager* geom = (TGeoManager*) entry->GetObject();
29 AliGeomManager::SetGeometry(geom);
30 }else{
31 AliGeomManager::LoadGeometry(); //load geom from default CDB storage
32 }
33
d3da6dc4 34 Float_t sigmaTrans=0.1; // 1mm
35 Float_t sigmaRot=0.001*180/TMath::Pi(); // 1 mrad
36 Float_t dX, dY, dX; Float_t dPsi, dTheta, dPhi; //displacements
37
38 TClonesArray *pCA = new TClonesArray("AliAlignObjMatrix",10);
39
40 TRandom *pRnd = new TRandom(4357);
41
ae079791 42 Int_t idHMPID = AliGeomManager::kHMPID;
d3da6dc4 43 for (Int_t iCh = 0; iCh < 7; iCh++) {
44 dX = (pRnd->Uniform()-0.5)*sigmaTrans; dY = (pRnd->Uniform()-0.5)*sigmaTrans; dZ = (pRnd->Uniform()-0.5)*sigmaTrans;
45 dPsi = (pRnd->Uniform()-0.5)*sigmaRot; dTheta = (pRnd->Uniform()-0.5)*sigmaRot; dPhi = (pRnd->Uniform()-0.5)*sigmaRot;
ae079791 46 new((*pCA)[iCh]) AliAlignObjMatrix(AliGeomManager::SymName(idHMPID,iCh),AliGeomManager::LayerToVolUID(idHMPID,iCh),dX,dY,dZ,dPsi,dTheta,dPhi,kTRUE);
d3da6dc4 47 }
48
49// pCA->Print();
50
a24be56b 51 if( TString(gSystem->Getenv("TOCDB")) != TString("kTRUE") ){
d3da6dc4 52 // save on file
dfe9c69d 53 const char* filename = "HMPIDresidualMisalignment.root";
54 TFile f(filename,"RECREATE");
55 if(!f){
56 Error(macroname,"cannot open file for output\n");
57 return;
58 }
59 Info(macroname,"Saving alignment objects to the file %s", filename);
d3da6dc4 60 f.cd();
61 f.WriteObject(pCA,"HMPIDAlignObjs","kSingleKey");
62 f.Close();
63 }else{
64 // save in CDB storage
71efb7b5 65 Info(macroname,"Saving alignment objects in CDB storage %s", Storage.Data());
d3da6dc4 66 AliCDBMetaData *pMeta= new AliCDBMetaData();
67 pMeta->SetResponsible("HMPID Expert");
68 pMeta->SetComment("Residual alignment objects for HMPID produced with sigmaTrans=1mm and sigmaRot=1mrad");
5bd470e1 69 pMeta->SetAliRootVersion(gSystem->Getenv("ARVERSION"));
dfe9c69d 70 AliCDBId id("HMPID/Align/Data",0,AliCDBRunRange::Infinity());
d3da6dc4 71 storage->Put(pCA,id,pMeta);
72 }
73
74 pCA->Delete();
75}