/
runGloAlgTask.C
executable file
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runGloAlgTask.C
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TChain* CreateChainXML(const char *xmlfile);
TChain* CreateChainTXT(const char *txtfile);
Bool_t InputHandlerSetup(TString formatFr = "AliESDfriends.root");
Bool_t barrelFlag = kFALSE;
//====================================================================
void runGloAlgTask
(
TString data="wn.xml",
//TString data="algColl.txt",
Int_t nEvents=-1,
UInt_t trigSel = AliVEvent::kAny
)
{
//
if (!gGrid) {
TGrid::Connect("alien://");
if (!gGrid) {printf("Cannot connect\n");exit(1);}
}
//
gROOT->ProcessLine(Form(".include $ALICE_ROOT/include $ALICE_PHYSICS/include ./ %s",gSystem->pwd()));
gSystem->SetIncludePath(Form("-I$ROOTSYS/include -I$ALICE_ROOT/include -I$ALICE_PHYSICS/include -I./ -I%s",gSystem->pwd()));
printf("Include line: %s",gSystem->GetIncludePath());
//
if (gClassTable->GetID("AliAlgSteer")<0) {
gSystem->Load("libAlg.so");
}
//
gROOT->ProcessLine(".L AliGloAlgTask.cxx++g");
//
AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
if (!mgr) mgr = new AliAnalysisManager("mgr");
//
TChain *chain = data.EndsWith(".xml") ? CreateChainXML(data) : CreateChainTXT(data);
TString formatFr = "AliESDfriends.root";
if (barrelFlag) formatFr = "AliESDfriends_Barrel.root";
printf("Deduced friend name : %s\n",formatFr.Data());
//
InputHandlerSetup(formatFr.Data());
//
//================================================================================
// printf("Requesting physics selection in %s mode\n",useMC ? "MC":"Data");
// gROOT->LoadMacro("$ALICE_ROOT/../src/ANALYSIS/macros/AddTaskPhysicsSelection.C");
// AliPhysicsSelectionTask* physicsSelectionTask = AddTaskPhysicsSelection(useMC);
//==================================================================================
//
AliGloAlgTask *algTask = new AliGloAlgTask("alg");
//-------------------------------------------
algTask->SetTriggerSelection(trigSel);
algTask->SetConfMacroName("alignConf.C");
// algTask->SetConfMacroName("pedeF/alignConf.C");
algTask->SetIniParFileName("millepede.res");
// algTask->SetApplyMPSolAlignment(kTRUE);
//-------------------------------------------
AliAnalysisDataContainer *coutput1 =
mgr->CreateContainer("clist", TList::Class(),AliAnalysisManager::kOutputContainer,"mpStatOut.root");
mgr->AddTask(algTask);
//
mgr->ConnectInput(algTask, 0, mgr->GetCommonInputContainer());
mgr->ConnectOutput(algTask,1,coutput1);
//
if (!mgr->InitAnalysis()) return;
mgr->PrintStatus();
// Start analysis in grid.
if (nEvents<0) nEvents = chain->GetEntries();
mgr->StartAnalysis("localfile",chain,nEvents);
//
}
//________________________________________________________________
Bool_t InputHandlerSetup(TString esdFName)
{
AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
AliAnalysisDataContainer *cin = mgr->GetCommonInputContainer();
if (cin) return;
AliESDInputHandler *esdInputHandler =
dynamic_cast<AliESDInputHandler*>(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler());
if (!esdInputHandler) {
Info("CustomAnalysisTaskInputSetup", "Creating esdInputHandler ...");
esdInputHandler = new AliESDInputHandler();
mgr->SetInputEventHandler(esdInputHandler);
}
esdInputHandler->SetFriendFileName(esdFName.Data());
// esdInputHandler->SetActiveBranches("ESDfriend*");
esdInputHandler->SetReadFriends(kTRUE);
return kTRUE;
}
//________________________________________________________________________________
TChain* CreateChainXML(const char *xmlfile)
{
// Create a chain using url's from xml file
TString filename;
Int_t run = 0;
TString treename = "esdTree";
printf("***************************************\n");
printf(" Getting chain of trees %s\n", treename.Data());
printf("***************************************\n");
TAlienCollection *coll = TAlienCollection::Open(xmlfile);
if (!coll) {
::Error("CreateChain", "Cannot create an AliEn collection from %s", xmlfile);
return NULL;
}
AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
TChain *chain = new TChain(treename);
coll->Reset();
while (coll->Next()) {
filename = coll->GetTURL();
if (filename.EndsWith("Barrel.root")) barrelFlag = kTRUE;
if (mgr) {
Int_t nrun = AliAnalysisManager::GetRunFromAlienPath(filename);
if (nrun && nrun != run) {
printf("### Run number detected from chain: %d\n", nrun);
mgr->SetRunFromPath(nrun);
run = nrun;
}
}
chain->Add(filename);
}
if (!chain->GetNtrees()) {
::Error("CreateChain", "No tree found from collection %s", xmlfile);
return NULL;
}
printf("Created chain with %d entries in %d trees from %s\n",chain->GetEntries(),chain->GetNtrees(),xmlfile);
return chain;
}
//________________________________________________________________________________
TChain* CreateChainTXT(const char* inpData)
{
const char* chName="esdTree";
TChain* chain = new TChain(chName);
//
TString inpDtStr = inpData;
if (inpDtStr.EndsWith(".root")) {
chain->AddFile(inpData);
}
else {
//
ifstream inpf(inpData);
if (!inpf.good()) {
printf("Failed on input filename %s\n",inpData);
return kFALSE;
}
//
TString flName;
flName.ReadLine(inpf);
while ( !flName.IsNull() ) {
flName = flName.Strip(TString::kBoth,' ');
if (flName.BeginsWith("//") || flName.BeginsWith("#")) {flName.ReadLine(inpf); continue;}
flName = flName.Strip(TString::kBoth,',');
flName = flName.Strip(TString::kBoth,'"');
if (flName.EndsWith("Barrel.root")) barrelFlag = kTRUE;
printf("Adding %s\n",flName.Data());
chain->AddFile(flName.Data());
flName.ReadLine(inpf);
}
}
//
int n = chain->GetEntries();
if (n<1) {
printf("Obtained chain is empty\n");
return kFALSE;
}
printf("Created chain with %d entries in %d trees from %s\n",chain->GetEntries(),chain->GetNtrees(),inpData);
return chain;
}