Extacting the OCDB in a separate module. The detectors have write permission in the...
[u/mrichter/AliRoot.git] / TOF / MakeTOFResMisAlignment.C
CommitLineData
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();
162637e4 11 if(!cdb->IsDefaultStorageSet()) cdb->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
6fce62af 12 cdb->SetRun(0);
13
14 AliCDBStorage* storage;
259b0bd4 15 TString Storage;
6fce62af 16
a24be56b 17 if( TString(gSystem->Getenv("TOCDB")) == TString("kTRUE") ){
259b0bd4 18 Storage = gSystem->Getenv("STORAGE");
6fce62af 19 if(!Storage.BeginsWith("local://") && !Storage.BeginsWith("alien://")) {
20 Error(macroname,"STORAGE variable set to %s is not valid. Exiting\n",Storage.Data());
21 return;
22 }
23 storage = cdb->GetStorage(Storage.Data());
24 if(!storage){
25 Error(macroname,"Unable to open storage %s\n",Storage.Data());
26 return;
27 }
28 AliCDBPath path("GRP","Geometry","Data");
29 AliCDBEntry *entry = storage->Get(path.GetPath(),cdb->GetRun());
30 if(!entry) Fatal(macroname,"Could not get the specified CDB entry!");
31 entry->SetOwner(0);
32 TGeoManager* geom = (TGeoManager*) entry->GetObject();
33 AliGeomManager::SetGeometry(geom);
34 }else{
35 AliGeomManager::LoadGeometry(); //load geom from default CDB storage
6876838b 36 }
1895a097 37
ae079791 38 AliGeomManager::ELayerID idTOF = AliGeomManager::kTOF;
1895a097 39 Int_t j=0;
a24be56b 40 Int_t strId=-1;
41 Double_t dx=0., dy=0., dz=0., dpsi=0., dtheta=0., dphi=0.;
6ca978d7 42 //TRandom *rnd = new TRandom(4357);
6fce62af 43 Double_t sigmatr = 0.1; // sigma (in cm) for shift w.r.t. local ideal RS
1895a097 44
a24be56b 45 Int_t nstrA=15;
46 Int_t nstrB=19;
47 Int_t nstrC=19;
48 Int_t nSectors=18;
49 Int_t nStrips=nstrA+2*nstrB+2*nstrC;
50
6876838b 51 Double_t cuty=0., cutz=0., cut=3*sigmatr;
a24be56b 52 for (Int_t isect = 0; isect < nSectors; isect++) {
53 for (Int_t istr = 1; istr <= nStrips; istr++) {
6876838b 54 //dy = rnd->Gaus(0.,sigmatr);
55 //dz = rnd->Gaus(0.,sigmatr);
56 //strId++;
57
58 switch (istr) {
59 case 25:
60 case 29:
61 case 63:
62 case 67:
6ca978d7 63 cuty = sigmatr*0.6;
64 dy = AliMathBase::TruncatedGaus(0., sigmatr, cut, cuty);
65 dz = AliMathBase::TruncatedGaus(0., sigmatr, cut);
6876838b 66 strId++;
67 break;
68 /*
69 case 38:
70 cuty = sigmatr*2.5;
71 cutz = sigmatr*2.5;
6ca978d7 72 dy = AliMathBase::TruncatedGaus(0., sigmatr, cut, cuty);
73 dz = AliMathBase::TruncatedGaus(0., sigmatr, cut, cutz);
6876838b 74 strId++;
75 break;
76 case 54:
77 cuty = sigmatr*2.5;
78 cutz = sigmatr*2.5;
6ca978d7 79 dy = AliMathBase::TruncatedGaus(0., sigmatr, cut, cuty);
80 dz = AliMathBase::TruncatedGaus(0., sigmatr, cutz, cut);
6876838b 81 strId++;
82 break;
83 */
84 default:
6ca978d7 85 dy = AliMathBase::TruncatedGaus(0., sigmatr, cut);
86 dz = AliMathBase::TruncatedGaus(0., sigmatr, cut);
6876838b 87 strId++;
88 break;
89 }
90
85ce4b22 91 if ((isect==13 || isect==14 || isect==15) && (istr >= 39 && istr <= 53)) continue;
a24be56b 92 new(alobj[j++]) AliAlignObjParams(AliGeomManager::SymName(idTOF,strId),AliGeomManager::LayerToVolUID(idTOF,strId), dx, dy, dz, dpsi, dtheta, dphi, kFALSE);
93 }
1895a097 94 }
95
a24be56b 96 if( TString(gSystem->Getenv("TOCDB")) != TString("kTRUE") ){
1895a097 97 // save on file
dfe9c69d 98 const char* filename = "TOFresidualMisalignment.root";
99 TFile f(filename,"RECREATE");
100 if(!f){
101 Error(macroname,"cannot open file for output\n");
102 return;
103 }
104 Info(macroname,"Saving alignment objects to the file %s", filename);
1895a097 105 f.cd();
106 f.WriteObject(array,"TOFAlignObjs","kSingleKey");
107 f.Close();
108 }else{
109 // save in CDB storage
1895a097 110 AliCDBMetaData* md = new AliCDBMetaData();
111 md->SetResponsible("Silvia Arcelli");
112 md->SetComment("Residual misalignment for TOF, sigmatr=1mm in the local RS");
5bd470e1 113 md->SetAliRootVersion(gSystem->Getenv("ARVERSION"));
dfe9c69d 114 AliCDBId id("TOF/Align/Data",0,AliCDBRunRange::Infinity());
1895a097 115 storage->Put(array,id,md);
116 }
117
118 array->Delete();
119
120}
121
6ca978d7 122/*
6876838b 123Double_t LocalTruncatedGaus(Double_t mean, Double_t sigma, Double_t cutatL, Double_t cutatR)
124{
125 // return number generated according to a gaussian distribution N(mean,sigma) truncated at cutat
126 //
127 Double_t value;
128 do{
129 value=gRandom->Gaus(mean,sigma);
130 }while(value-mean<-cutatL || value-mean>cutatR);
131 return value;
132}
6ca978d7 133*/