fix division by 0 in graph creation

[u/mrichter/AliRoot.git] / TPC / MakeTPCResMisAlignment.C

diff --git a/TPC/MakeTPCResMisAlignment.C b/TPC/MakeTPCResMisAlignment.C
index 1ed99415e46722432274d15b1429d86ce6fb40ec..2462b0d983438f7e0e560b52cca3a19580639053 100644 (file)
--- a/TPC/MakeTPCResMisAlignment.C
+++ b/TPC/MakeTPCResMisAlignment.C
@@ -1,14 +1,40 @@
 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;
 
@@ -17,8 +43,8 @@ void MakeTPCResMisAlignment(){
   // sigma rotation = 0.1 mrad
   Float_t sigmatr=0.01;
   Float_t sigmarot = 0.006;
-  for (Int_t iLayer = AliAlignObj::kTPC1; iLayer <= AliAlignObj::kTPC2; iLayer++) {
-    for (Int_t iModule = 0; iModule < AliAlignObj::LayerSize(iLayer); iModule++) {
+  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);
@@ -27,31 +53,32 @@ void MakeTPCResMisAlignment(){
       dtheta = rnd->Gaus(0,sigmarot);
       dphi = rnd->Gaus(0,sigmarot);
 
-      UShort_t volid = AliAlignObj::LayerToVolUID(iLayer,iModule);
-      const char *symname = AliAlignObj::SymName(volid);
-      new(alobj[j]) AliAlignObjAngles(symname, volid, dx, dy, dz, dpsi, dtheta, dphi, kFALSE);
+      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") != TString("kTRUE") ){
+  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);
+    AliCDBId id("TPC/Align/Data",0,AliCDBRunRange::Infinity());
     storage->Put(array,id,md);
   }