create macros

diff --git a/PWGGA/EMCALTasks/macros/CreateAODChain.C b/PWGGA/EMCALTasks/macros/CreateAODChain.C
new file mode 100644 (file)
index 0000000..5fd7e0b
--- /dev/null
+++ b/PWGGA/EMCALTasks/macros/CreateAODChain.C
@@ -0,0 +1,232 @@
+/* $Id$ */
+
+// This helper macros creates a chain of AOD files for you. 
+// Source can be either a text file with the file paths or 
+// a directory. In the latter case all AOD files in all 
+// subdirectories are considered.
+//
+// Author: Jan.Fiete.Grosse-Oetringhaus@cern.ch
+
+TChain* CreateAODChain(
+  const char* aDataDir = "AODfiles.txt", 
+  Int_t aRuns          = 20, 
+  Int_t offset         = 0, 
+  Bool_t addFileName   = kFALSE, 
+  Bool_t addFriend     = kFALSE, 
+  const char* check    = 0)
+{
+  // creates chain of files in a given directory or file containing a list.
+  // In case of directory the structure is expected as:
+  // <aDataDir>/<dir0>/AliAODs.root
+  // <aDataDir>/<dir1>/AliAODs.root
+  // ...
+  //
+  // if addFileName is true the list only needs to contain the directories that contain the AliAODs.root files
+  // if check is != 0 the files that work are written back into the textfile with the name check
+
+  if (!aDataDir)
+    return 0;
+
+  Long_t id, size, flags, modtime;
+  if (gSystem->GetPathInfo(aDataDir, &id, &size, &flags, &modtime))
+  {
+    printf("%s not found.\n", aDataDir);
+    return 0;
+  }
+
+  TChain* chain = new TChain("aodTree");
+  TChain* chainFriend = 0;
+ 
+  // if (addFriend)
+  //  chainFriend = new TChain("esdFriendTree");
+
+  if (flags & 2)
+  {
+    TString execDir(gSystem->pwd());
+    TSystemDirectory* baseDir = new TSystemDirectory(".", aDataDir);
+    TList* dirList            = baseDir->GetListOfFiles();
+    Int_t nDirs               = dirList->GetEntries();
+    gSystem->cd(execDir);
+
+    Int_t count = 0;
+
+    for (Int_t iDir=0; iDir<nDirs; ++iDir)
+    {
+      TSystemFile* presentDir = (TSystemFile*) dirList->At(iDir);
+      if (!presentDir || !presentDir->IsDirectory() || strcmp(presentDir->GetName(), ".") == 0 || strcmp(presentDir->GetName(), "..") == 0)
+        continue;
+
+      if (offset > 0)
+      {
+        --offset;
+        continue;
+      }
+
+      if (count++ == aRuns)
+        break;
+
+      TString presentDirName(aDataDir);
+      presentDirName += "/";
+      presentDirName += presentDir->GetName();
+
+      chain->Add(presentDirName + "/AliAODs.root/aodTree");
+    }
+  }
+  else
+  {
+    // Open the input stream
+    ifstream in;
+    in.open(aDataDir);
+
+    ofstream outfile;
+    if (check)
+      outfile.open(check);
+
+    Int_t count = 0;
+
+    // Read the input list of files and add them to the chain
+    TString line;
+    while (in.good())
+    {
+      in >> line;
+
+      if (line.Length() == 0)
+        continue;
+
+      if (offset > 0)
+      {
+        offset--;
+        continue;
+      }
+
+      if (count++ == aRuns)
+        break;
+
+      TString aodFile(line);
+
+      if (addFileName)
+        aodFile += "/AliAODs.root";
+ 
+        
+      if (check)
+      {
+        TFile* file = TFile::Open(aodFile);
+        if (!file)
+          continue;
+        file->Close();
+        /*
+        if (chainFriend)
+        {
+          TFile* file = TFile::Open(esdFileFriend);
+          if (!file)
+            continue;
+          file->Close();
+        }
+        */
+        outfile << line.Data() << endl;
+        printf("%s\n", line.Data());
+      }        
+        
+        // add aod file
+      chain->Add(aodFile);
+
+        // add file
+      // if (chainFriend)
+      // chainFriend->Add(esdFileFriend);
+    }
+
+    in.close();
+    
+    if (check)
+      outfile.close();
+  }
+  
+  // if (chainFriend)
+  // chain->AddFriend(chainFriend);
+
+  return chain;
+}
+
+void ChainToTextFile(TChain* chain, const char* target)
+{
+  // write a text list of the files in the chain
+  
+  TObjArray* list = chain->GetListOfFiles();
+  TIterator* iter = list->MakeIterator();
+  TObject* obj = 0;
+
+  ofstream outfile;
+  outfile.open(target);
+
+  while ((obj = iter->Next())) {
+    TString fileName(obj->GetTitle());
+    
+    outfile << fileName.Data() << endl;
+  }
+
+  outfile.close();
+
+  delete iter;
+} 
+
+TObjArray* Chain2List(TChain* chain)
+{
+  // returns a TObjArray of TObjStrings of the file names in the chain
+
+  TObjArray* result = new TObjArray;
+
+  for (Int_t i=0; i<chain->GetListOfFiles()->GetEntries(); i++)
+    result->Add(new TObjString(chain->GetListOfFiles()->At(i)->GetTitle()));
+
+  return result;
+}
+
+void LookupWrite(TChain* chain, const char* target)
+{
+  // looks up the chain and writes the remaining files to the text file target
+
+  chain->Lookup();
+
+  ChainToTextFile(chain, target);
+}
+
+TChain* CreateChain(const char* treeName, const char* aDataDir, Int_t aRuns, Int_t offset = 0)
+{
+  // creates chain of files in a given directory or file containing a list.
+
+  if (!treeName || !aDataDir)
+    return 0;
+
+  TChain* chain = new TChain(treeName);
+  
+  // Open the input stream
+  ifstream in;
+  in.open(aDataDir);
+
+  Int_t count = 0;
+
+  // Read the input list of files and add them to the chain
+  TString line;
+  while(in.good()) 
+  {
+    in >> line;
+      
+    if (line.Length() == 0)
+      continue;      
+    
+    if (offset > 0)
+    {
+      --offset;
+      continue;
+    }
+
+    if (count++ == aRuns)
+      break;
+
+    chain->Add(line);
+  }
+
+  in.close();
+
+  return chain;
+}

diff --git a/PWGGA/EMCALTasks/macros/CreateESDChain.C b/PWGGA/EMCALTasks/macros/CreateESDChain.C
new file mode 100644 (file)
index 0000000..4a9931c
--- /dev/null
+++ b/PWGGA/EMCALTasks/macros/CreateESDChain.C
@@ -0,0 +1,236 @@
+/* $Id$ */
+
+// This helper macros creates a chain of ESD files for you. 
+// Source can be either a text file with the file paths or 
+// a directory. In the latter case all ESD files in all 
+// subdirectories are considered.
+//
+// Author: Jan.Fiete.Grosse-Oetringhaus@cern.ch
+
+TChain* CreateESDChain(
+  const char* aDataDir = "ESDfiles.txt", 
+  Int_t aRuns          = 20, 
+  Int_t offset         = 0, 
+  Bool_t addFileName   = kFALSE, 
+  Bool_t addFriend     = kFALSE, 
+  const char* check    = 0
+)
+{
+  // creates chain of files in a given directory or file containing a list.
+  // In case of directory the structure is expected as:
+  // <aDataDir>/<dir0>/AliESDs.root
+  // <aDataDir>/<dir1>/AliESDs.root
+  // ...
+  //
+  // if addFileName is true the list only needs to contain the directories that contain the AliESDs.root files
+  // if addFriend is true a file AliESDfriends.root is expected in the same directory and added to the chain as friend
+  // if check is != 0 the files that work are written back into the textfile with the name check
+
+  if (!aDataDir)
+    return 0;
+
+  Long_t id, size, flags, modtime;
+  if (gSystem->GetPathInfo(aDataDir, &id, &size, &flags, &modtime))
+  {
+    printf("%s not found.\n", aDataDir);
+    return 0;
+  }
+
+  TChain* chain = new TChain("esdTree");
+  TChain* chainFriend = 0;
+  
+  if (addFriend)
+    chainFriend = new TChain("esdFriendTree");
+
+  if (flags & 2)
+  {
+    TString execDir(gSystem->pwd());
+    TSystemDirectory* baseDir = new TSystemDirectory(".", aDataDir);
+    TList* dirList            = baseDir->GetListOfFiles();
+    Int_t nDirs               = dirList->GetEntries();
+    gSystem->cd(execDir);
+
+    Int_t count = 0;
+
+    for (Int_t iDir=0; iDir<nDirs; ++iDir)
+    {
+      TSystemFile* presentDir = (TSystemFile*) dirList->At(iDir);
+      if (!presentDir || !presentDir->IsDirectory() || strcmp(presentDir->GetName(), ".") == 0 || strcmp(presentDir->GetName(), "..") == 0)
+        continue;
+
+      if (offset > 0)
+      {
+        --offset;
+        continue;
+      }
+
+      if (count++ == aRuns)
+        break;
+
+      TString presentDirName(aDataDir);
+      presentDirName += "/";
+      presentDirName += presentDir->GetName();
+
+      chain->Add(presentDirName + "/AliESDs.root/esdTree");
+    }
+  }
+  else
+  {
+    // Open the input stream
+    ifstream in;
+    in.open(aDataDir);
+
+    ofstream outfile;
+    if (check)
+      outfile.open(check);
+
+    Int_t count = 0;
+
+    // Read the input list of files and add them to the chain
+    TString line;
+    while (in.good())
+    {
+      in >> line;
+
+      if (line.Length() == 0)
+        continue;
+
+      if (offset > 0)
+      {
+        offset--;
+        continue;
+      }
+
+      if (count++ == aRuns)
+        break;
+
+      TString esdFile(line);
+
+      if (addFileName)
+        esdFile += "/AliESDs.root";
+        
+      TString esdFileFriend(esdFile);
+      esdFileFriend.ReplaceAll("AliESDs.root", "AliESDfriends.root");
+        
+      if (check)
+      {
+        TFile* file = TFile::Open(esdFile);
+        if (!file)
+          continue;
+        file->Close();
+        
+        if (chainFriend)
+        {
+          TFile* file = TFile::Open(esdFileFriend);
+          if (!file)
+            continue;
+          file->Close();
+        }
+        
+        outfile << line.Data() << endl;
+        printf("%s\n", line.Data());
+      }        
+        
+        // add esd file
+      chain->Add(esdFile);
+
+        // add file
+      if (chainFriend)
+        chainFriend->Add(esdFileFriend);
+    }
+
+    in.close();
+    
+    if (check)
+      outfile.close();
+  }
+  
+  if (chainFriend)
+    chain->AddFriend(chainFriend);
+
+  return chain;
+}
+
+void ChainToTextFile(TChain* chain, const char* target)
+{
+  // write a text list of the files in the chain
+  
+  TObjArray* list = chain->GetListOfFiles();
+  TIterator* iter = list->MakeIterator();
+  TObject* obj = 0;
+
+  ofstream outfile;
+  outfile.open(target);
+
+  while ((obj = iter->Next())) {
+    TString fileName(obj->GetTitle());
+    
+    outfile << fileName.Data() << endl;
+  }
+
+  outfile.close();
+
+  delete iter;
+} 
+
+TObjArray* Chain2List(TChain* chain)
+{
+  // returns a TObjArray of TObjStrings of the file names in the chain
+
+  TObjArray* result = new TObjArray;
+
+  for (Int_t i=0; i<chain->GetListOfFiles()->GetEntries(); i++)
+    result->Add(new TObjString(chain->GetListOfFiles()->At(i)->GetTitle()));
+
+  return result;
+}
+
+void LookupWrite(TChain* chain, const char* target)
+{
+  // looks up the chain and writes the remaining files to the text file target
+
+  chain->Lookup();
+
+  ChainToTextFile(chain, target);
+}
+
+TChain* CreateChain(const char* treeName, const char* aDataDir, Int_t aRuns, Int_t offset = 0)
+{
+  // creates chain of files in a given directory or file containing a list.
+
+  if (!treeName || !aDataDir)
+    return 0;
+
+  TChain* chain = new TChain(treeName);
+  
+  // Open the input stream
+  ifstream in;
+  in.open(aDataDir);
+
+  Int_t count = 0;
+
+  // Read the input list of files and add them to the chain
+  TString line;
+  while(in.good()) 
+  {
+    in >> line;
+      
+    if (line.Length() == 0)
+      continue;      
+    
+    if (offset > 0)
+    {
+      --offset;
+      continue;
+    }
+
+    if (count++ == aRuns)
+      break;
+
+    chain->Add(line);
+  }
+
+  in.close();
+
+  return chain;
+}