1 void MakeTOFFullMisAlignment(){
2 // Create TClonesArray of full misalignment objects for TOF
3 // Expects to read objects for FRAME
5 TClonesArray *array = new TClonesArray("AliAlignObjParams",2000);
6 const char* macroname = "MakeTOFFullMisAlignment.C";
8 // Activate CDB storage and load geometry from CDB
9 AliCDBManager* cdb = AliCDBManager::Instance();
10 if(!cdb->IsDefaultStorageSet()) cdb->SetDefaultStorage("local://$ALICE_ROOT");
13 AliCDBStorage* storage;
16 if( TString(gSystem->Getenv("TOCDB")) == TString("kTRUE") ){
17 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 // load FRAME full misalignment objects (if needed, the macro
38 // for FRAME has to be run in advance) and apply them to geometry
39 AliCDBPath fpath("GRP","Align","Data");
40 if( TString(gSystem->Getenv("TOCDB")) == TString("kTRUE") ){
41 Info(macroname,"Loading FRAME alignment objects from CDB storage %s",
43 AliCDBEntry *eFrame = storage->Get(fpath.GetPath(),cdb->GetRun());
45 AliCDBEntry *eFrame = cdb->Get(fpath.GetPath());
47 if(!eFrame) Fatal(macroname,"Could not get the specified CDB entry!");
48 TClonesArray* arFrame = (TClonesArray*) eFrame->GetObject();
50 Int_t nvols = arFrame->GetEntriesFast();
52 for(Int_t j=0; j<nvols; j++)
54 AliAlignObj* alobj = (AliAlignObj*) arFrame->UncheckedAt(j);
55 if (alobj->ApplyToGeometry() == kFALSE) flag = kFALSE;
57 if(!flag) Fatal(macroname,"Error in the application of FRAME alignment objects");
59 //Produce objects for TOF supermodules
60 Int_t iIndex=0; //let all modules have index=0 in a layer with no LUT
61 AliGeomManager::ELayerID iLayer = AliGeomManager::kInvalidLayer;
62 UShort_t dvoluid = AliGeomManager::LayerToVolUID(iLayer,iIndex); //dummy vol id
66 Double_t smdx, smdy, smdz=0., dpsi=0., dtheta, dphi=0.;
67 TRandom *rnd = new TRandom(2345);
68 Double_t sigmatr = 0.4; // max shift in cm w.r.t. local ideal RS
69 Double_t sigmarot = 0.06; // max rot in deg w.r.t. local ideal RS (~ 1 mrad)
71 for(Int_t isect=0; isect<nSMTOF; isect++) {
72 TString symname(Form("TOF/sm%02d",isect));
73 smdx = rnd->Gaus(0.,sigmatr);
74 smdy = rnd->Gaus(0.,sigmatr);
75 dtheta = rnd->Gaus(0.,sigmarot);
76 new((*array)[j++]) AliAlignObjParams(symname.Data(), dvoluid, smdx, smdy, smdz, dpsi, dtheta, dphi, kFALSE);
78 // Apply objects for TOF supermodules
80 for(Int_t isect=0; isect<nSMTOF; isect++){
81 AliAlignObjParams* smobj = (AliAlignObjParams*)array->UncheckedAt(smCounter++);
82 Info(macroname,Form("Applying object for sector %d ",isect));
83 if(!smobj->ApplyToGeometry()){
84 Fatal(macroname,Form("application of full misalignment object for sector %d failed!",isect));
89 //Produce objects for TOF strips (same sigmas as for residual misalignment)
90 AliGeomManager::ELayerID idTOF = AliGeomManager::kTOF;
93 Double_t sdx=0., sdy=0., sdz=0., sdpsi=0., sdtheta=0., sdphi=0.;
94 TRandom *rnds = new TRandom(4357);
95 sigmatr = 0.1; // max shift in cm w.r.t. local ideal RS
101 Int_t nStrips=nstrA+2*nstrB+2*nstrC;
102 Double_t cuty=0., cutz=0., cut=3*sigmatr;
104 for (Int_t isect = 0; isect < nSectors; isect++) {
105 for (Int_t istr = 1; istr <= nStrips; istr++) {
112 sdy = LocalTruncatedGaus(0., sigmatr, cut, cuty);
113 sdz = AliMathBase::TruncatedGaus(0., sigmatr, cut);
120 sdy = LocalTruncatedGaus(0., sigmatr, cut, cuty);
121 sdz = LocalTruncatedGaus(0., sigmatr, cut, cutz);
127 sdy = LocalTruncatedGaus(0., sigmatr, cut, cuty);
128 sdz = LocalTruncatedGaus(0., sigmatr, cutz, cut);
133 sdy = AliMathBase::TruncatedGaus(0., sigmatr, cut);
134 sdz = AliMathBase::TruncatedGaus(0., sigmatr, cut);
139 if ((isect==13 || isect==14 || isect==15) && (istr >= 39 && istr <= 53)) continue;
140 new((*array)[j++]) AliAlignObjParams(AliGeomManager::SymName(idTOF,strId),AliGeomManager::LayerToVolUID(idTOF,strId), sdx, sdy, sdz, sdpsi, sdtheta, sdphi, kFALSE);
144 if( TString(gSystem->Getenv("TOCDB")) != TString("kTRUE") ){
146 const char* filename = "TOFfullMisalignment.root";
147 TFile f(filename,"RECREATE");
149 Error(macroname,"cannot open file for output\n");
152 Info(macroname,"Saving alignment objects in file %s", filename);
154 f.WriteObject(array,"TOFAlignObjs","kSingleKey");
157 // save in CDB storage
158 Info(macroname,"Saving alignment objects in CDB storage %s",
160 AliCDBMetaData* md = new AliCDBMetaData();
161 md->SetResponsible("Silvia Arcelli");
162 md->SetComment("Full misalignment for TOF");
163 md->SetAliRootVersion(gSystem->Getenv("ARVERSION"));
164 AliCDBId id("TOF/Align/Data",0,AliCDBRunRange::Infinity());
165 storage->Put(array,id,md);
173 Double_t LocalTruncatedGaus(Double_t mean, Double_t sigma, Double_t cutatL, Double_t cutatR)
175 // return number generated according to a gaussian distribution N(mean,sigma) truncated at cutat
179 value=gRandom->Gaus(mean,sigma);
180 }while(value-mean<-cutatL || value-mean>cutatR);