void MakeTPCResMisAlignment(){
// Create TClonesArray of residual misalignment objects for TPC
//
- if(!gGeoManager) TGeoManager::Import("geometry.root");
- // needed for the constructors with local coordinates not to fail
+ const char* macroname = "MakeTPCResMisAlignment.C";
- TClonesArray *array = new TClonesArray("AliAlignObjAngles",100);
+ // Activate CDB storage and load geometry from CDB
+ AliCDBManager* cdb = AliCDBManager::Instance();
+ if(!cdb->IsDefaultStorageSet()) cdb->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
+ cdb->SetRun(0);
+
+ AliCDBStorage* storage;
+
+ if( TString(gSystem->Getenv("TOCDB")) == TString("kTRUE") ){
+ TString Storage = gSystem->Getenv("STORAGE");
+ if(!Storage.BeginsWith("local://") && !Storage.BeginsWith("alien://")) {
+ Error(macroname,"STORAGE variable set to %s is not valid. Exiting\n",Storage.Data());
+ return;
+ }
+ storage = cdb->GetStorage(Storage.Data());
+ if(!storage){
+ Error(macroname,"Unable to open storage %s\n",Storage.Data());
+ return;
+ }
+ AliCDBPath path("GRP","Geometry","Data");
+ AliCDBEntry *entry = storage->Get(path.GetPath(),cdb->GetRun());
+ if(!entry) Fatal(macroname,"Could not get the specified CDB entry!");
+ entry->SetOwner(0);
+ TGeoManager* geom = (TGeoManager*) entry->GetObject();
+ AliGeomManager::SetGeometry(geom);
+ }else{
+ AliGeomManager::LoadGeometry(); //load geom from default CDB storage
+ }
+
+ TClonesArray *array = new TClonesArray("AliAlignObjParams",100);
TClonesArray &alobj = *array;
TRandom *rnd = new TRandom(4357);
- AliAlignObjAngles o;
Double_t dx, dy, dz, dpsi, dtheta, dphi;
Int_t j = 0;
// RS = local
- // sigma translation = 0.1mm
- // sigma rotation = 1mrad
+ // sigma translation = 0.1 mm
+ // sigma rotation = 0.1 mrad
Float_t sigmatr=0.01;
- Float_t sigmarot = 0.06;
- for (Int_t iLayer = AliAlignObj::kTPC1; iLayer <= AliAlignObj::kTPC2; iLayer++) {
- for (Int_t iModule = 0; iModule < AliAlignObj::LayerSize(iLayer); iModule++) {
-
- dx = (rnd->Uniform()-0.5)*sigmatr;
- dy = (rnd->Uniform()-0.5)*sigmatr;
- dz = (rnd->Uniform()-0.5)*sigmatr;
- dpsi = (rnd->Uniform()-0.5)*sigmarot;
- dtheta = (rnd->Uniform()-0.5)*sigmarot;
- dphi = (rnd->Uniform()-0.5)*sigmarot;
-
- UShort_t volid = AliAlignObj::LayerToVolUID(iLayer,iModule);
- const char *path = AliAlignObj::SymName(volid);
- new(alobj[j]) AliAlignObjAngles(path, volid, dx, dy, dz, dpsi, dtheta, dphi, kFALSE);
+ Float_t sigmarot = 0.006;
+ for (Int_t iLayer = AliGeomManager::kTPC1; iLayer <= AliGeomManager::kTPC2; iLayer++) {
+ for (Int_t iModule = 0; iModule < AliGeomManager::LayerSize(iLayer); iModule++) {
+
+ dx = rnd->Gaus(0,sigmatr);
+ dy = rnd->Gaus(0,sigmatr);
+ dz = rnd->Gaus(0,sigmatr);
+ dpsi = rnd->Gaus(0,sigmarot);
+ dtheta = rnd->Gaus(0,sigmarot);
+ dphi = rnd->Gaus(0,sigmarot);
+
+ UShort_t volid = AliGeomManager::LayerToVolUID(iLayer,iModule);
+ const char *symname = AliGeomManager::SymName(volid);
+ new(alobj[j]) AliAlignObjParams(symname, volid, dx, dy, dz, dpsi, dtheta, dphi, kFALSE);
j++;
}
}
-
- if(!gSystem->Getenv("$TOCDB")){
+ if( TString(gSystem->Getenv("TOCDB")) != TString("kTRUE") ){
// save on file
- TFile f("TPCresidualMisalignment.root","RECREATE");
- if(!f) cerr<<"cannot open file for output\n";
+ const char* filename = "TPCresidualMisalignment.root";
+ TFile f(filename,"RECREATE");
+ if(!f){
+ Error(macroname,"cannot open file for output\n");
+ return;
+ }
+ Info(macroname,"Saving alignment objects to the file %s", filename);
f.cd();
f.WriteObject(array,"TPCAlignObjs","kSingleKey");
f.Close();
}else{
// save in CDB storage
- const char* Storage = gSystem->Getenv("$STORAGE");
- AliCDBManager* cdb = AliCDBManager::Instance();
- AliCDBStorage* storage = cdb->GetStorage(Storage);
AliCDBMetaData* md = new AliCDBMetaData();
md->SetResponsible("Marian Ivanov");
md->SetComment("Residual misalignment for TPC, sigmatr=0.01 and sigmarot=0.6 in the local RS");
- md->SetAliRootVersion(gSystem->Getenv("$ARVERSION"));
- AliCDBId id("TPC/Align/Data",0,9999999);
+ md->SetAliRootVersion(gSystem->Getenv("ARVERSION"));
+ AliCDBId id("TPC/Align/Data",0,AliCDBRunRange::Infinity());
storage->Put(array,id,md);
}