HMPID/MakeHMPIDResMisAlignment.C

   1 void MakeHMPIDResMisAlignment(){
   2   // Create TClonesArray of residual misalignment objects for HMPID
   3   //
   4   Float_t sigmaTrans=0.1; // 1mm
   5   Float_t sigmaRot=0.001*180/TMath::Pi(); // 1 mrad
   6   Float_t dX, dY, dX;          Float_t dPsi, dTheta, dPhi;   //displacements
   7
   8   TClonesArray *pCA = new TClonesArray("AliAlignObjMatrix",10);
   9
  10   TRandom *pRnd   = new TRandom(4357);
  11
  12   Int_t idHMPID =  AliGeomManager::kHMPID;
  13   for (Int_t iCh = 0; iCh < 7; iCh++) {
  14     dX     = (pRnd->Uniform()-0.5)*sigmaTrans;    dY     = (pRnd->Uniform()-0.5)*sigmaTrans;    dZ     = (pRnd->Uniform()-0.5)*sigmaTrans;
  15     dPsi   = (pRnd->Uniform()-0.5)*sigmaRot;    dTheta = (pRnd->Uniform()-0.5)*sigmaRot;    dPhi   = (pRnd->Uniform()-0.5)*sigmaRot;
  16     new((*pCA)[iCh]) AliAlignObjMatrix(AliGeomManager::SymName(idHMPID,iCh),AliGeomManager::LayerToVolUID(idHMPID,iCh),dX,dY,dZ,dPsi,dTheta,dPhi,kTRUE);
  17   }
  18
  19 //   pCA->Print();
  20
  21   const char* macroname = "MakeHMPIDResMisAlignment.C";
  22   if( TString(gSystem->Getenv("TOCDB")) != TString("kTRUE") ){
  23     // save on file
  24     const char* filename = "HMPIDresidualMisalignment.root";
  25     TFile f(filename,"RECREATE");
  26     if(!f){
  27       Error(macroname,"cannot open file for output\n");
  28       return;
  29     }
  30     Info(macroname,"Saving alignment objects to the file %s", filename);
  31     f.cd();
  32     f.WriteObject(pCA,"HMPIDAlignObjs","kSingleKey");
  33     f.Close();
  34   }else{
  35     // save in CDB storage
  36     TString Storage = gSystem->Getenv("STORAGE");
  37     if(!Storage.BeginsWith("local://") && !Storage.BeginsWith("alien://")) {
  38       Error(macroname,"STORAGE variable set to %s is not valid. Exiting\n",Storage.Data());
  39       return;
  40     }
  41     Info(macroname,"Saving alignment objects in CDB storage %s",
  42          Storage.Data());
  43     AliCDBManager* cdb = AliCDBManager::Instance();
  44     AliCDBStorage* storage = cdb->GetStorage(Storage.Data());
  45     if(!storage){
  46       Error(macroname,"Unable to open storage %s\n",Storage.Data());
  47       return;
  48     }
  49     AliCDBMetaData *pMeta= new AliCDBMetaData();
  50     pMeta->SetResponsible("HMPID Expert");
  51     pMeta->SetComment("Residual alignment objects for HMPID produced with sigmaTrans=1mm and sigmaRot=1mrad");
  52     pMeta->SetAliRootVersion(gSystem->Getenv("ARVERSION"));
  53     AliCDBId id("HMPID/Align/Data",0,AliCDBRunRange::Infinity());
  54     storage->Put(pCA,id,pMeta);
  55   }
  56
  57   pCA->Delete();
  58 }