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[u/mrichter/AliRoot.git] / TOF / MakeTOFResMisAlignment.C
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1895a097 1void MakeTOFResMisAlignment(){
2 // Create TClonesArray of residual misalignment objects for TOF
3 //
90dbf5fb 4 TClonesArray *array = new TClonesArray("AliAlignObjParams",2000);
1895a097 5 TClonesArray &alobj = *array;
6
6fce62af 7 const char* macroname = "MakeTOFResMisAlignment.C";
1895a097 8
6fce62af 9 // Activate CDB storage and load geometry from CDB
10 AliCDBManager* cdb = AliCDBManager::Instance();
11 if(!cdb->IsDefaultStorageSet()) cdb->SetDefaultStorage("local://$ALICE_ROOT");
12 cdb->SetRun(0);
13
14 AliCDBStorage* storage;
15
a24be56b 16 if( TString(gSystem->Getenv("TOCDB")) == TString("kTRUE") ){
6fce62af 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());
20 return;
21 }
22 storage = cdb->GetStorage(Storage.Data());
23 if(!storage){
24 Error(macroname,"Unable to open storage %s\n",Storage.Data());
25 return;
26 }
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!");
30 entry->SetOwner(0);
31 TGeoManager* geom = (TGeoManager*) entry->GetObject();
32 AliGeomManager::SetGeometry(geom);
33 }else{
34 AliGeomManager::LoadGeometry(); //load geom from default CDB storage
35 }
1895a097 36
ae079791 37 AliGeomManager::ELayerID idTOF = AliGeomManager::kTOF;
1895a097 38 Int_t j=0;
a24be56b 39 Int_t strId=-1;
40 Double_t dx=0., dy=0., dz=0., dpsi=0., dtheta=0., dphi=0.;
1895a097 41 TRandom *rnd = new TRandom(4357);
6fce62af 42 Double_t sigmatr = 0.1; // sigma (in cm) for shift w.r.t. local ideal RS
1895a097 43
a24be56b 44 Int_t sActive[18]={0,1,1,0,0,0,1,1,0,1,1,1,1,0,0,1,1,1};
45
46 Int_t nstrA=15;
47 Int_t nstrB=19;
48 Int_t nstrC=19;
49 Int_t nSectors=18;
50 Int_t nStrips=nstrA+2*nstrB+2*nstrC;
51
52 for (Int_t isect = 0; isect < nSectors; isect++) {
53 for (Int_t istr = 1; istr <= nStrips; istr++) {
1895a097 54 dy = rnd->Gaus(0.,sigmatr);
55 dz = rnd->Gaus(0.,sigmatr);
a24be56b 56 strId++;
57 if( (TString(gSystem->Getenv("PARTGEOM")) == TString("kTRUE")) && !sActive[iSect] ) continue;
58 new(alobj[j++]) AliAlignObjParams(AliGeomManager::SymName(idTOF,strId),AliGeomManager::LayerToVolUID(idTOF,strId), dx, dy, dz, dpsi, dtheta, dphi, kFALSE);
59 }
1895a097 60 }
61
a24be56b 62 if( TString(gSystem->Getenv("TOCDB")) != TString("kTRUE") ){
1895a097 63 // save on file
dfe9c69d 64 const char* filename = "TOFresidualMisalignment.root";
65 TFile f(filename,"RECREATE");
66 if(!f){
67 Error(macroname,"cannot open file for output\n");
68 return;
69 }
70 Info(macroname,"Saving alignment objects to the file %s", filename);
1895a097 71 f.cd();
72 f.WriteObject(array,"TOFAlignObjs","kSingleKey");
73 f.Close();
74 }else{
75 // save in CDB storage
1895a097 76 AliCDBMetaData* md = new AliCDBMetaData();
77 md->SetResponsible("Silvia Arcelli");
78 md->SetComment("Residual misalignment for TOF, sigmatr=1mm in the local RS");
5bd470e1 79 md->SetAliRootVersion(gSystem->Getenv("ARVERSION"));
dfe9c69d 80 AliCDBId id("TOF/Align/Data",0,AliCDBRunRange::Infinity());
1895a097 81 storage->Put(array,id,md);
82 }
83
84 array->Delete();
85
86}
87
88