1 void MakeTRDResMisAlignment(){
2 // Create TClonesArray of residual misalignment objects for TRD
4 const char* macroname = "MakeTRDResMisAlignment.C";
5 TClonesArray *array = new TClonesArray("AliAlignObjParams",1000);
6 TClonesArray &alobj = *array;
8 // Activate CDB storage and load geometry from CDB
9 AliCDBManager* cdb = AliCDBManager::Instance();
10 if(!cdb->IsDefaultStorageSet()) cdb->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
13 AliCDBStorage* storage;
15 if( TString(gSystem->Getenv("TOCDB")) == TString("kTRUE") ){
16 TString Storage = gSystem->Getenv("STORAGE");
17 if(!Storage.BeginsWith("local://") && !Storage.BeginsWith("alien://")) {
18 Error(macroname,"STORAGE variable set to %s is not valid. Exiting\n",Storage.Data());
21 storage = cdb->GetStorage(Storage.Data());
23 Error(macroname,"Unable to open storage %s\n",Storage.Data());
26 AliCDBPath path("GRP","Geometry","Data");
27 AliCDBEntry *entry = storage->Get(path.GetPath(),cdb->GetRun());
28 if(!entry) Fatal(macroname,"Could not get the specified CDB entry!");
30 TGeoManager* geom = (TGeoManager*) entry->GetObject();
31 AliGeomManager::SetGeometry(geom);
34 AliGeomManager::LoadGeometry(); //load geom from default CDB storage
37 // sigmas for the chambers
38 Double_t chdx = 0.002; // 20 microns
39 Double_t chdy = 0.003; // 30 microns
40 Double_t chdz = 0.007; // 70 microns
41 Double_t chrx = 0.0005 / 1000.0 / TMath::Pi()*180; // 0 mrad
42 Double_t chry = 0.0005 / 1000.0 / TMath::Pi()*180; // 0 mrad
43 Double_t chrz = 0.1 / 1000.0 / TMath::Pi()*180; // 0.1 mrad
44 // Truncation for the chambers
45 Double_t cutChdx = 3.0 * chdx;
46 Double_t cutChdy = 3.0 * chdy;
47 Double_t cutChdz = 0.14 * chdz;
49 Int_t sActive[18]={1,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,1};
50 Double_t dx=0.,dy=0.,dz=0.,rx=0.,ry=0.,rz=0.;
56 // create the supermodules' alignment objects
57 for (Int_t iSect=0; iSect<18; iSect++) {
58 TString sm_symname(Form("TRD/sm%02d",iSect));
59 if( (TString(gSystem->Getenv("REALSETUP")) == TString("kTRUE")) && !sActive[iSect] ) continue;
61 AliAlignObjParams(sm_symname.Data(),0,dx,dy,dz,rx,ry,rz,kTRUE);
64 // create the chambers' alignment objects
66 for (Int_t iLayer = AliGeomManager::kTRD1; iLayer <= AliGeomManager::kTRD6; iLayer++) {
68 for (Int_t iSect = 0; iSect < 18; iSect++){
69 for (Int_t iCh = 0; iCh < 5; iCh++) {
70 dx = AliMathBase::TruncatedGaus(0.0,chdx,cutChdx);
71 dy = AliMathBase::TruncatedGaus(0.0,chdy,cutChdy);
72 dz = AliMathBase::TruncatedGaus(0.0,chdz,cutChdz);
73 rx = gRandom->Rndm() * 2.0*chrx - chrx;
74 ry = gRandom->Rndm() * 2.0*chry - chry;
75 rz = gRandom->Rndm() * 2.0*chrz - chrz;
77 if ((iSect==13 || iSect==14 || iSect==15) && iCh==2) continue;
78 volid = AliGeomManager::LayerToVolUID(iLayer,chId);
79 if( (TString(gSystem->Getenv("REALSETUP")) == TString("kTRUE")) && !sActive[iSect] ) continue;
80 symname = AliGeomManager::SymName(volid);
81 new(alobj[j++]) AliAlignObjParams(symname,volid,dx,dy,dz,rx,ry,rz,kFALSE);
86 if ( TString(gSystem->Getenv("TOCDB")) != TString("kTRUE") ) {
88 const char* filename = "TRDresidualMisalignment.root";
89 TFile f(filename,"RECREATE");
91 Error(macroname,"cannot open file for output\n");
94 Info(macroname,"Saving alignment objects to the file %s", filename);
96 f.WriteObject(array,"TRDAlignObjs","kSingleKey");
100 // save in CDB storage
101 AliCDBMetaData* md = new AliCDBMetaData();
102 md->SetResponsible("Dariusz Miskowiec");
103 md->SetComment("Residual misalignment for TRD");
104 md->SetAliRootVersion(gSystem->Getenv("ARVERSION"));
105 AliCDBId id("TRD/Align/Data",0,AliCDBRunRange::Infinity());
106 storage->Put(array,id,md);