Esempio n. 1
0
vector<TString> getAliasNames(TTree *t) {

  vector<TString> v_aliasnames;
  
  TList *t_list =  t->GetListOfAliases();
  for(int i = 0; i < t_list->GetSize(); i++) {
    TString aliasname(t_list->At(i)->GetName());
    TBranch *branch = t->GetBranch(t->GetAlias(aliasname.Data()));
    TString branchname(branch->GetName());
    TString branchtitle(branch->GetTitle());
    if(branchname.BeginsWith("intss") ||
       branchname.BeginsWith("floatss") ||
       branchname.BeginsWith("doubless") ||
       branchname.Contains("LorentzVectorss") ||
       branchname.Contains("timestamp") ) {
      
      cout << "Sorry, I dont know about vector of vectors of objects. " 
	   << "Will be skipping " << aliasname << endl;
      
      continue;
    }

    if(branchname.Contains("TString") ) {
      cout << "Sorry, I don't know how to graphically represent TStrings in only 3 dimensions" 
	   << " Put in a feature request. Will be skipping " << aliasname << endl;
      continue;
    }
    v_aliasnames.push_back(aliasname);
  }

  sort(v_aliasnames.begin(), v_aliasnames.end());
  
  return v_aliasnames;
}
////////////////////////////////////////////////////////////
// names -- get the names of the branches and their details
SEXP RootChainManager::names() const {
	
  // Advance to the first entry
  //m_chain->GetEntry(0);
  // Above commented out 20090616 - for TMBTrees this crashed root 
	// on an unresolved symbol for allocator<char>. 
	
  // Get the branches
  TObjArray* branches = m_chain->GetListOfBranches();
	
  // How many?
  unsigned int nBranches = branches->GetEntriesFast();
	
  // Make the R list for returning the list of branch and detail names
  SEXP rBranchList, rBranchListNames;
  PROTECT(rBranchList = NEW_LIST(nBranches));
  PROTECT(rBranchListNames = NEW_CHARACTER(nBranches));
	
  // Loop over the branches in the tree
  for ( unsigned int branchIter = 0; branchIter < nBranches; ++branchIter ) {
		
    // Get the branch
    TBranch* branch = (TBranch*) branches->UncheckedAt(branchIter);
		
    // Save away the name of this branch for use as an attribute
    SET_STRING_ELT(rBranchListNames, branchIter, mkChar(branch->GetName()));
		
    SEXP details = NEW_CHARACTER(1);
    SET_ELEMENT(rBranchList, branchIter, details);
    
    SET_STRING_ELT(details, 0, mkChar( branch->GetTitle() ) );

  } // for over branches
	
  // Set the names attribute
  SET_NAMES(rBranchList, rBranchListNames);
	
  // Release rBranchList and rBranchListNames
  UNPROTECT(2);
	
  return rBranchList;
}
Esempio n. 3
0
vector<std::string> getAliasNames(TTree *t){

  //Vector to return results
  vector<std::string> v_aliasnames;
  
  //Skip if no entries
  if (t->GetEntriesFast() == 0) return v_aliasnames;

  //Get list of aliases
  TList *t_list =  t->GetListOfAliases();

  //Loop over list, skip entries that are vectors of vectors, or strings
  for(int i = 0; i < t_list->GetSize(); i++) {
    std::string aliasname(t_list->At(i)->GetName());
    TBranch *branch = t->GetBranch(t->GetAlias(aliasname.c_str()));
    std::string branchname(branch->GetName());
    std::string branchtitle(branch->GetTitle());

    if(branchname.find("intss") == 0 || branchname.find("floatss") == 0 || branchname.find("doubless") == 0 || branchname.find("LorentzVectorss") < branchname.length() || branchname.find("timestamp") < branchname.length() || branchname.find("selectedPatJets") < branchname.length()){
      cout << "Sorry, I dont know about vector of vectors of objects. Will be skipping " << aliasname << endl;
      continue;
    }

    if(branchname.find("std::string") < branchname.length() || branchname.find("TStrings") < branchname.length()){
      cout << "Sorry, I don't know how to graphically represent std::strings in only 3 dimensions." << " Put in a feature request. Will be skipping " << aliasname << endl;
      continue;
    }

    v_aliasnames.push_back(aliasname);
  }

  //Sort alias names alphabetically
  sort(v_aliasnames.begin(), v_aliasnames.end());
  
  //Return aliases names
  return v_aliasnames;
}
Esempio n. 4
0
//-------------------------------------------------------------------------------------------------
void makeHeaderFile(TFile *f, const string& treeName, bool paranoid, const string& Classname, const string& nameSpace, const string& objName) {
	
  
  
    headerf << "// -*- C++ -*-" << endl;
    headerf << "#ifndef " << Classname << "_H" << endl;
    headerf << "#define " << Classname << "_H" << endl;
    headerf << "#include \"Math/LorentzVector.h\"" << endl;
    headerf << "#include \"Math/Point3D.h\"" << endl;
    headerf << "#include \"TMath.h\"" << endl;
    headerf << "#include \"TBranch.h\"" << endl;
    headerf << "#include \"TTree.h\"" << endl;
    headerf << "#include \"TH1F.h\""  << endl;
    headerf << "#include \"TFile.h\"" << endl;
    headerf << "#include \"TBits.h\"" << endl;
    headerf << "#include <vector>" << endl;
    headerf << "#include <unistd.h>" << endl;
    headerf << "typedef ROOT::Math::LorentzVector<ROOT::Math::PxPyPzE4D<float> > LorentzVector;" << endl << endl;
    if (paranoid)
        headerf << "#define PARANOIA" << endl << endl;
    headerf << "using namespace std; " << endl;
    headerf << "class " << Classname << " {" << endl;
    headerf << "private: " << endl;
    headerf << "protected: " << endl;
    headerf << "\tunsigned int index;" << endl;
    // TTree *ev = (TTree*)f->Get("Events");
    TList* list_of_keys = f->GetListOfKeys();
    std::string tree_name = "";
    if (treeName.empty()) {
        unsigned int ntrees = 0;
        for (unsigned int idx = 0; idx < (unsigned int)list_of_keys->GetSize(); idx++) {
            const char* obj_name = list_of_keys->At(idx)->GetName();
            TObject* obj = f->Get(obj_name);
            if (obj->InheritsFrom("TTree")) {
                ++ntrees;
                tree_name = obj_name;
            }
        }
        if (ntrees == 0) {
            std::cout << "Did not find a tree. Exiting." << std::endl;
            return;
        }
        if (ntrees > 1) {
            std::cout << "Found more than one tree.  Please specify a tree to use." << std::endl;
            return;
        }
    }
    else
        tree_name = treeName;

    TTree *ev = (TTree*)f->Get(tree_name.c_str());

    TSeqCollection *fullarray = ev->GetListOfAliases();  
    bool have_aliases = true;
    if (!fullarray) {
        have_aliases = false;   
        fullarray = ev->GetListOfBranches();
    }

    // if (have_aliases && fullarray->GetSize() != ev->GetListOfBranches()->GetSize()) {
    //     std::cout << "Tree has " << fullarray->GetSize() << " aliases and " << ev->GetListOfBranches()->GetSize() << " branches. Exiting." << std::endl;
    //     return;
    // }

    TList *aliasarray = new TList();
    
    for(Int_t i = 0; i < fullarray->GetEntries(); ++i) {
        TString aliasname(fullarray->At(i)->GetName());
        // TBranch *branch = ev->GetBranch(ev->GetAlias(aliasname.Data()));
        TBranch *branch = 0;
        if (have_aliases)
            branch = ev->GetBranch(ev->GetAlias(aliasname.Data()));
        else
            branch = (TBranch*)fullarray->At(i);

        TString branchname(branch->GetName());
        TString branchtitle(branch->GetTitle());
        TString branchclass(branch->GetClassName());
        if(!branchname.BeginsWith("int") && 
           !branchname.BeginsWith("uint") && 
           !branchname.BeginsWith("bool") && 
           !branchname.BeginsWith("float") &&
           !branchname.BeginsWith("double") &&
           !branchtitle.EndsWith("/F") && 
           !branchtitle.EndsWith("/I") &&
           !branchtitle.EndsWith("/i") &&
           !branchtitle.EndsWith("/O") &&
           !branchtitle.BeginsWith("TString") &&
           !branchtitle.BeginsWith("TBits") &&
           !branchclass.Contains("LorentzVector") &&
           !branchclass.Contains("int") &&   
           !branchclass.Contains("uint") &&  
           !branchclass.Contains("bool") &&  
           !branchclass.Contains("float") && 
           !branchclass.Contains("double") &&
           !branchclass.Contains("TString"))
            continue;

        // if (branchclass.Contains("TString"))
        // {
        //     std::cout << "Adding branch " << branchtitle.Data() << " to list." << std::endl;
        //     std::cout.flush();
        // }

        aliasarray->Add(fullarray->At(i));
    }
  
    for(Int_t i = 0; i< aliasarray->GetEntries(); ++i) {
    
        //Class name is blank for a int of float
        TString aliasname(aliasarray->At(i)->GetName());
        // TBranch *branch = ev->GetBranch(ev->GetAlias(aliasname.Data()));
        TBranch *branch = 0;
        if (have_aliases)
            branch = ev->GetBranch(ev->GetAlias(aliasname.Data()));
        else
            branch = (TBranch*)aliasarray->At(i);
    
        TString classname = branch->GetClassName();
        TString title     = branch->GetTitle();
        if ( classname.Contains("vector") ) {
            if(classname.Contains("edm::Wrapper<") ) {
                classname = classname(0,classname.Length()-2);
                classname.ReplaceAll("edm::Wrapper<","");
                headerf << "\t" << classname << " " << aliasname << "_;" << endl;
            } 
            //else if (classname.Contains("TString") || classname.Contains("vector<float>")) {
            else if (classname.Contains("TString")) {
                headerf << "\t" << classname << " " << aliasname << "_;" << endl;
            }
            else {
                headerf << "\t" << classname << " *" << aliasname << "_;" << endl;
            }
        } else {
      
            if(classname != "" ) { //LorentzVector
                if(classname.Contains("edm::Wrapper<") ) {
                    classname = classname(0,classname.Length()-1);
                    classname.ReplaceAll("edm::Wrapper<","");
                    headerf << "\t" << classname << " " << aliasname << "_;" << endl;
                }
                //else if (classname.Contains("TString") || classname.Contains("vector<float>")) {
                else if (classname.Contains("TString")) {
                    headerf << "\t" << classname << " " << aliasname << "_;" << endl;
                } 
                else {
                    headerf << "\t" << classname << " *" << aliasname << "_;" << endl;
                }
            } else {
                if(title.EndsWith("/i"))
                    headerf << "\tunsigned int" << "\t" << aliasname << "_;" << endl;
                if(title.EndsWith("/F"))
                    headerf << "\tfloat" << "\t" << aliasname << "_;" << endl;
                if(title.EndsWith("/I"))
                    headerf << "\tint" << "\t" << aliasname << "_;" << endl;
                if(title.EndsWith("/O"))
                    headerf << "\tbool" << "\t" << aliasname << "_;" << endl;
            }
        }
        headerf << "\tTBranch *" << Form("%s_branch",aliasname.Data()) << ";" << endl;
        headerf << "\tbool " << Form("%s_isLoaded",aliasname.Data()) << ";" << endl;
    }
  
  
    headerf << "public: " << endl;
    headerf << "void Init(TTree *tree) {" << endl;
    

    // SetBranchAddresses for LorentzVectors
    // TBits also needs SetMakeClass(0)...
    for(Int_t i = 0; i< aliasarray->GetEntries(); i++) {
        TString aliasname(aliasarray->At(i)->GetName());
        // TBranch *branch = ev->GetBranch(ev->GetAlias(aliasname.Data()));
        TBranch *branch = 0;
        if (have_aliases)
            branch = ev->GetBranch(ev->GetAlias(aliasname.Data()));
        else
            branch = (TBranch*)aliasarray->At(i);

        TString classname = branch->GetClassName();
        TString branch_ptr = Form("%s_branch",aliasname.Data());
        if ( !classname.Contains("vector<vector") ) {
            if ( classname.Contains("Lorentz") || classname.Contains("PositionVector") || classname.Contains("TBits")) {
                headerf << "\t" << Form("%s_branch",aliasname.Data()) << " = 0;" << endl;
                if (have_aliases) {
                    headerf << "\t" << "if (tree->GetAlias(\"" << aliasname << "\") != 0) {" << endl;
                    headerf << "\t\t" << Form("%s_branch",aliasname.Data()) << " = tree->GetBranch(tree->GetAlias(\"" << aliasname << "\"));" << endl;
                    //headerf << "\t\t" << Form("%s_branch",aliasname.Data()) << "->SetAddress(&" << aliasname << "_);" << endl << "\t}" << endl;
                    headerf << Form("\t\tif (%s) {%s->SetAddress(&%s_);}\n\t}", branch_ptr.Data(), branch_ptr.Data(), aliasname.Data()) << endl;
                }
                else {
                    headerf << "\t" << "if (tree->GetBranch(\"" << aliasname << "\") != 0) {" << endl;
                    headerf << "\t\t" << Form("%s_branch",aliasname.Data()) << " = tree->GetBranch(\"" << aliasname << "\");" << endl;
                    //headerf << "\t\t" << Form("%s_branch",aliasname.Data()) << "->SetAddress(&" << aliasname << "_);" << endl << "\t}" << endl;
                    headerf << Form("\t\tif (%s) {%s->SetAddress(&%s_);}\n\t}", branch_ptr.Data(), branch_ptr.Data(), aliasname.Data()) << endl;
                }
            }
        }
    }


    // SetBranchAddresses for everything else
    headerf << "  tree->SetMakeClass(1);" << endl;
    for(Int_t i = 0; i< aliasarray->GetEntries(); i++) {
        TString aliasname(aliasarray->At(i)->GetName());
        // TBranch *branch = ev->GetBranch(ev->GetAlias(aliasname.Data()));
        TBranch *branch = 0;
        if (have_aliases)
            branch = ev->GetBranch(ev->GetAlias(aliasname.Data()));
        else
            branch = (TBranch*)aliasarray->At(i);

        TString classname = branch->GetClassName();
        TString branch_ptr = Form("%s_branch",aliasname.Data());
        if ( ! (classname.Contains("Lorentz") || classname.Contains("PositionVector") || classname.Contains("TBits")) || classname.Contains("vector<vector") ) {
            headerf << "\t" << Form("%s_branch",aliasname.Data()) << " = 0;" << endl;
            if (have_aliases) {
                headerf << "\t" << "if (tree->GetAlias(\"" << aliasname << "\") != 0) {" << endl;
                headerf << "\t\t" << Form("%s_branch",aliasname.Data()) << " = tree->GetBranch(tree->GetAlias(\"" << aliasname << "\"));" << endl;
                //headerf << "\t\t" << Form("%s_branch",aliasname.Data()) << "->SetAddress(&" << aliasname << "_);" << endl << "\t}" << endl;
                headerf << Form("\t\tif (%s) {%s->SetAddress(&%s_);}\n\t}", branch_ptr.Data(), branch_ptr.Data(), aliasname.Data()) << endl;
            }
                else {
                    headerf << "\t" << "if (tree->GetBranch(\"" << aliasname << "\") != 0) {" << endl;
                    headerf << "\t\t" << Form("%s_branch",aliasname.Data()) << " = tree->GetBranch(\"" << aliasname << "\");" << endl;
                    //headerf << "\t\t" << Form("%s_branch",aliasname.Data()) << "->SetAddress(&" << aliasname << "_);" << endl << "\t}" << endl;
                    headerf << Form("\t\tif (%s) {%s->SetAddress(&%s_);}\n\t}", branch_ptr.Data(), branch_ptr.Data(), aliasname.Data()) << endl;
                }
        }
    }

    headerf << "  tree->SetMakeClass(0);" << endl;
    headerf << "}" << endl;

    // GetEntry
    headerf << "void GetEntry(unsigned int idx) " << endl;
    headerf << "\t// this only marks branches as not loaded, saving a lot of time" << endl << "\t{" << endl;
    headerf << "\t\tindex = idx;" << endl;
    for(Int_t i = 0; i< aliasarray->GetEntries(); i++) {
        TString aliasname(aliasarray->At(i)->GetName());
        headerf << "\t\t" << Form("%s_isLoaded",aliasname.Data()) << " = false;" << endl;
    }
    headerf << "\t}" << endl << endl;

    // LoadAllBranches
    headerf << "void LoadAllBranches() " << endl;
    headerf << "\t// load all branches" << endl << "{" << endl;
    for(Int_t i = 0; i< aliasarray->GetEntries(); i++) {
        TString aliasname(aliasarray->At(i)->GetName());
        headerf << "\t" << "if (" << aliasname.Data() <<  "_branch != 0) " << Form("%s();",aliasname.Data()) << endl;
    }
    headerf << "}" << endl << endl;

    // accessor functions
    for (Int_t i = 0; i< aliasarray->GetEntries(); i++) {
        TString aliasname(aliasarray->At(i)->GetName());
        // TBranch *branch = ev->GetBranch(ev->GetAlias(aliasname.Data()));
        TBranch *branch = 0;
        if (have_aliases)
            branch = ev->GetBranch(ev->GetAlias(aliasname.Data()));
        else
            branch = (TBranch*)aliasarray->At(i);

        TString classname = branch->GetClassName();
        TString title = branch->GetTitle();
        bool isSkimmedNtuple = false;
        if(!classname.Contains("edm::Wrapper<") &&
           (classname.Contains("vector") || classname.Contains("LorentzVector") ) )
            isSkimmedNtuple = true;
        if ( classname.Contains("vector") ) {
            if(classname.Contains("edm::Wrapper<") ) {
                classname = classname(0,classname.Length()-2);
                classname.ReplaceAll("edm::Wrapper<","");
            }
            headerf << "\tconst " << classname << " &" << aliasname << "()" << endl;
        } else {
            if(classname.Contains("edm::Wrapper<") ) {
                classname = classname(0,classname.Length()-1);
                classname.ReplaceAll("edm::Wrapper<","");
            }
            if(classname != "" ) {
                headerf << "\t" << classname << " &" << aliasname << "()" << endl;
            } else {
                if(title.EndsWith("/i"))
                    headerf << "\tunsigned int &" << aliasname << "()" << endl;
                if(title.EndsWith("/F"))
                    headerf << "\tfloat &" << aliasname << "()" << endl;
                if(title.EndsWith("/I"))
                    headerf << "\tint &" << aliasname << "()" << endl;
                if(title.EndsWith("/O"))
                    headerf << "\tbool &" << "\t" << aliasname << "()" << endl;
            }
        }
        aliasname = aliasarray->At(i)->GetName();
        headerf << "\t{" << endl;
        headerf << "\t\t" << "if (not " << Form("%s_isLoaded) {",aliasname.Data()) << endl;
        headerf << "\t\t\t" << "if (" << Form("%s_branch",aliasname.Data()) << " != 0) {" << endl;
        headerf << "\t\t\t\t" << Form("%s_branch",aliasname.Data()) << "->GetEntry(index);" << endl;
        if (paranoid) {
            headerf << "\t\t\t\t#ifdef PARANOIA" << endl;
            if (classname == "vector<vector<float> >") {
                if(isSkimmedNtuple) {
                    headerf << "\t\t\t\t" << "for (vector<vector<float> >::const_iterator i = " 
                            << aliasname << "_->begin(); i != "<< aliasname << "_->end(); ++i) {" << endl;
                } else {
                    headerf << "\t\t\t\t" << "for (vector<vector<float> >::const_iterator i = " 
                            << aliasname << "_.begin(); i != "<< aliasname << "_.end(); ++i) {" << endl;
                }
                headerf << "\t\t\t\t\t" << "for (vector<float>::const_iterator j = i->begin(); " 
                    "j != i->end(); ++j) {" << endl;
                headerf << "\t\t\t\t\t\t" << "if (not isfinite(*j)) {" << endl;
                headerf << "\t\t\t\t\t\t\t" << "printf(\"branch " << Form("%s_branch",aliasname.Data()) 
                        << " contains a bad float: %f\\n\", *j);" << endl << "\t\t\t\t\t\t\t" << "exit(1);"
                        << endl;
                headerf << "\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}" << endl;
            } else if (classname == "vector<float>") {
                if(isSkimmedNtuple) {
                    headerf << "\t\t\t\t" << "for (vector<float>::const_iterator i = " 
                            << aliasname << "_->begin(); i != "<< aliasname << "_->end(); ++i) {" << endl;
                } else {
                    headerf << "\t\t\t\t" << "for (vector<float>::const_iterator i = " 
                            << aliasname << "_.begin(); i != "<< aliasname << "_.end(); ++i) {" << endl;
                }
                headerf << "\t\t\t\t\t" << "if (not isfinite(*i)) {" << endl;
                headerf << "\t\t\t\t\t\t" << "printf(\"branch " << Form("%s_branch",aliasname.Data()) 
                        << " contains a bad float: %f\\n\", *i);" << endl << "\t\t\t\t\t\t" << "exit(1);"
                        << endl;
                headerf << "\t\t\t\t\t}\n\t\t\t\t}" << endl;
            } else if (classname == "float") {
                headerf << "\t\t\t\t" << "if (not isfinite(" << aliasname << "_)) {" << endl;
                headerf << "\t\t\t\t\t" << "printf(\"branch " << Form("%s_branch",aliasname.Data()) 
                        << " contains a bad float: %f\\n\", " << aliasname << "_);" << endl 
                        << "\t\t\t\t\t" << "exit(1);"
                        << endl;
                headerf << "\t\t\t\t}" << endl;
            } else if (classname.BeginsWith("vector<vector<ROOT::Math::LorentzVector")) {
                if(isSkimmedNtuple) {
                    headerf << "\t\t\t\t" << "for (" << classname.Data() <<"::const_iterator i = " 
                            << aliasname << "_->begin(); i != "<< aliasname << "_->end(); ++i) {" << endl;
                } else {
                    headerf << "\t\t\t\t" << "for (" << classname.Data() <<"::const_iterator i = " 
                            << aliasname << "_.begin(); i != "<< aliasname << "_.end(); ++i) {" << endl;
                }
                // this is a slightly hacky way to get rid of the outer vector< > ...
                std::string str = classname.Data() + 7;
                str[str.length() - 2] = 0;
                headerf << "\t\t\t\t\t" << "for (" << str.c_str() << "::const_iterator j = i->begin(); " 
                    "j != i->end(); ++j) {" << endl;
                headerf << "\t\t\t\t\t\t" << "int e;" << endl;
                headerf << "\t\t\t\t\t\t" << "frexp(j->pt(), &e);" << endl;
                headerf << "\t\t\t\t\t\t" << "if (not isfinite(j->pt()) || e > 30) {" << endl;
                headerf << "\t\t\t\t\t\t\t" << "printf(\"branch " << Form("%s_branch",aliasname.Data()) 
                        << " contains a bad float: %f\\n\", j->pt());" << endl << "\t\t\t\t\t\t\t" << "exit(1);"
                        << endl;
                headerf << "\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}" << endl;
            } else if (classname.BeginsWith("vector<ROOT::Math::LorentzVector")) {
                if(isSkimmedNtuple) {
                    headerf << "\t\t\t\t" << "for (" << classname.Data() << "::const_iterator i = " 
                            << aliasname << "_->begin(); i != "<< aliasname << "_->end(); ++i) {" << endl;
                } else {
                    headerf << "\t\t\t\t" << "for (" << classname.Data() << "::const_iterator i = " 
                            << aliasname << "_.begin(); i != "<< aliasname << "_.end(); ++i) {" << endl;
                }
                headerf << "\t\t\t\t\t" << "int e;" << endl;
                headerf << "\t\t\t\t\t" << "frexp(i->pt(), &e);" << endl;
                headerf << "\t\t\t\t\t" << "if (not isfinite(i->pt()) || e > 30) {" << endl;
                headerf << "\t\t\t\t\t\t" << "printf(\"branch " << Form("%s_branch",aliasname.Data()) 
                        << " contains a bad float: %f\\n\", i->pt());" << endl << "\t\t\t\t\t\t" << "exit(1);"
                        << endl;
                headerf << "\t\t\t\t\t}\n\t\t\t\t}" << endl;
            } else if (classname.BeginsWith("ROOT::Math::LorentzVector")) {
                headerf << "\t\t\t\t" << "int e;" << endl;
                if(isSkimmedNtuple) {
                    headerf << "\t\t\t\t" << "frexp(" << aliasname << "_->pt(), &e);" << endl;
                    headerf << "\t\t\t\t" << "if (not isfinite(" << aliasname << "_->pt()) || e > 30) {" << endl;
                    headerf << "\t\t\t\t\t" << "printf(\"branch " << Form("%s_branch",aliasname.Data()) 
                            << " contains a bad float: %f\\n\", " << aliasname << "_->pt());" << endl 
                            << "\t\t\t\t\t" << "exit(1);"
                            << endl;
                } else {
                    headerf << "\t\t\t\t" << "frexp(" << aliasname << "_.pt(), &e);" << endl;
                    headerf << "\t\t\t\t" << "if (not isfinite(" << aliasname << "_.pt()) || e > 30) {" << endl;
                    headerf << "\t\t\t\t\t" << "printf(\"branch " << Form("%s_branch",aliasname.Data()) 
                            << " contains a bad float: %f\\n\", " << aliasname << "_.pt());" << endl 
                            << "\t\t\t\t\t" << "exit(1);"
                            << endl;
                }
                headerf << "\t\t\t\t}" << endl;
            }
            headerf << "\t\t\t\t#endif // #ifdef PARANOIA" << endl;
        }
        headerf << "\t\t\t" << "} else { " << endl;
        headerf << "\t\t\t\t" << "printf(\"branch " << Form("%s_branch",aliasname.Data()) 
                << " does not exist!\\n\");" << endl;
        headerf << "\t\t\t\t" << "exit(1);" << endl << "\t\t\t}" << endl;
        headerf << "\t\t\t" << Form("%s_isLoaded",aliasname.Data()) << " = true;" << endl;
        headerf << "\t\t" << "}" << endl;
        if(isSkimmedNtuple) {
            headerf << "\t\t" << "return *" << aliasname << "_;" << endl << "\t}" << endl;
        }
        else if(classname.Contains("vector<TString>") || classname.Contains("vector<float>")) {
            headerf << "\t\t" << "return " << aliasname << "_;" << endl << "\t}" << endl;
        }
        else if(classname == "TString") {
            headerf << "\t\t" << "return *" << aliasname << "_;" << endl << "\t}" << endl;
        }
        else {
            headerf << "\t\t" << "return " << aliasname << "_;" << endl << "\t}" << endl;
        }
    }

    bool haveHLTInfo = false;
    bool haveL1Info  = false;
    bool haveHLT8E29Info = false;
    for(int i = 0; i < aliasarray->GetEntries(); i++) {
        TString aliasname(aliasarray->At(i)->GetName());
        if(aliasname=="hlt_trigNames") 
            haveHLTInfo = true;
        if(aliasname=="l1_trigNames") 
            haveL1Info = true;
        if(aliasname=="hlt8e29_trigNames") 
            haveHLT8E29Info = true;
    }
   
    if(haveHLTInfo) {
        //functions to return whether or not trigger fired - HLT
        headerf << "\t" << "bool passHLTTrigger(TString trigName) {" << endl;
        headerf << "\t\t" << "int trigIndx;" << endl;
        headerf << "\t\t" << "vector<TString>::const_iterator begin_it = hlt_trigNames().begin();" << endl;
        headerf << "\t\t" << "vector<TString>::const_iterator end_it = hlt_trigNames().end();" << endl;
        headerf << "\t\t" << "vector<TString>::const_iterator found_it = find(begin_it, end_it, trigName);" << endl;
        headerf << "\t\t" << "if(found_it != end_it)" << endl;
        headerf << "\t\t\t" << "trigIndx = found_it - begin_it;" << endl;
        headerf << "\t\t" << "else {" << endl;
        headerf << "\t\t\t" << "cout << \"Cannot find Trigger \" << trigName << endl; " << endl;
        headerf << "\t\t\t" << "return 0;" << endl;
        headerf << "\t\t"   << "}" << endl << endl;
        headerf << "\t" << "return hlt_bits().TestBitNumber(trigIndx);" << endl;
        headerf << "\t" << "}" << endl;
    }//if(haveHLTInfo) 

    if(haveHLT8E29Info) {
        //functions to return whether or not trigger fired - HLT
        headerf << "\t" << "bool passHLT8E29Trigger(TString trigName) {" << endl;
        headerf << "\t\t" << "int trigIndx;" << endl;
        headerf << "\t\t" << "vector<TString>::const_iterator begin_it = hlt8e29_trigNames().begin();" << endl;
        headerf << "\t\t" << "vector<TString>::const_iterator end_it = hlt8e29_trigNames().end();" << endl;
        headerf << "\t\t" << "vector<TString>::const_iterator found_it = find(begin_it, end_it, trigName);" << endl;
        headerf << "\t\t" << "if(found_it != end_it)" << endl;
        headerf << "\t\t\t" << "trigIndx = found_it - begin_it;" << endl;
        headerf << "\t\t" << "else {" << endl;
        headerf << "\t\t\t" << "cout << \"Cannot find Trigger \" << trigName << endl; " << endl;
        headerf << "\t\t\t" << "return 0;" << endl;
        headerf << "\t\t"   << "}" << endl << endl;
        headerf << "\t" << "return hlt8e29_bits().TestBitNumber(trigIndx);" << endl;
        headerf << "\t" << "}" << endl;
    }//if(haveHLT8E29Info) 


    if(haveL1Info) {
        //functions to return whether or not trigger fired - L1
        headerf << "\t" << "bool passL1Trigger(TString trigName) {" << endl;
        headerf << "\t\t" << "int trigIndx;" << endl;
        headerf << "\t\t" << "vector<TString>::const_iterator begin_it = l1_trigNames().begin();" << endl;
        headerf << "\t\t" << "vector<TString>::const_iterator end_it = l1_trigNames().end();" << endl;
        headerf << "\t\t" << "vector<TString>::const_iterator found_it = find(begin_it, end_it, trigName);" << endl;
        headerf << "\t\t" << "if(found_it != end_it)" << endl;
        headerf << "\t\t\t" << "trigIndx = found_it - begin_it;" << endl;
        headerf << "\t\t" << "else {" << endl;
        headerf << "\t\t\t" << "cout << \"Cannot find Trigger \" << trigName << endl; " << endl;
        headerf << "\t\t\t" << "return 0;" << endl;
        headerf << "\t\t"   << "}" << endl << endl;
        //get the list of branches that hold the L1 bitmasks
        //store in a set 'cause its automatically sorted
        set<TString> s_L1bitmasks;
        for(int j = 0; j < aliasarray->GetEntries(); j++) {
            TString aliasname(aliasarray->At(j)->GetName());
            // TBranch *branch = ev->GetBranch(ev->GetAlias(aliasname.Data()));
            TBranch *branch = 0;
            if (have_aliases)
                branch = ev->GetBranch(ev->GetAlias(aliasname.Data()));
            else
                branch = (TBranch*)aliasarray->At(j);

            TString classname = branch->GetClassName();
            if(aliasname.Contains("l1_bits") && classname.Contains("int")) {
                s_L1bitmasks.insert(aliasname);
            }
     
        }
        int i = 0;
        for(set<TString>::const_iterator s_it = s_L1bitmasks.begin();
            s_it != s_L1bitmasks.end(); s_it++, i++) {
      
            if(i==0) {
                headerf << "\t\t" << "if(trigIndx <= 31) {" << endl;
                headerf << "\t\t\t" << "unsigned int bitmask = 1;" << endl;
                headerf << "\t\t\t" << "bitmask <<= trigIndx;" << endl;	
                headerf << "\t\t\t" << "return " << *s_it << "() & bitmask;" << endl;
                headerf << "\t\t" << "}" << endl;
                continue;
            }
            headerf << "\t\t" << "if(trigIndx >= " << Form("%d && trigIndx <= %d", 32*i, 32*i+31) << ") {" << endl;
            headerf << "\t\t\t" << "unsigned int bitmask = 1;" << endl;
            headerf << "\t\t\t" << "bitmask <<= (trigIndx - " << Form("%d",32*i) << "); " << endl;	
            headerf << "\t\t\t" << "return " << *s_it << "() & bitmask;" << endl;
            headerf << "\t\t" << "}" << endl;
        }
        headerf << "\t" << "return 0;" << endl;
        headerf << "\t" << "}" << endl;
    }//if(haveL1Info)
    
    headerf << endl;
    headerf << "  static void progress( int nEventsTotal, int nEventsChain ){" << endl;
    headerf << "    int period = 1000;" << endl;
    headerf << "    if(nEventsTotal%1000 == 0) {" << endl;
    headerf << "      // xterm magic from L. Vacavant and A. Cerri" << endl;
    headerf << "      if (isatty(1)) {" << endl;
    headerf << "        if( ( nEventsChain - nEventsTotal ) > period ){" << endl;
    headerf << "          float frac = (float)nEventsTotal/(nEventsChain*0.01);" << endl;
    headerf << "          printf(\"\\015\\033[32m ---> \\033[1m\\033[31m%4.1f%%\"" << endl;
    headerf << "               \"\\033[0m\\033[32m <---\\033[0m\\015\", frac);" << endl;
    headerf << "          fflush(stdout);" << endl;
    headerf << "        }" << endl;
    headerf << "        else {" << endl;
    headerf << "          printf(\"\\015\\033[32m ---> \\033[1m\\033[31m%4.1f%%\"" << endl;
    headerf << "                 \"\\033[0m\\033[32m <---\\033[0m\\015\", 100.);" << endl;
    headerf << "          cout << endl;" << endl;
    headerf << "        }" << endl;
    headerf << "      }" << endl;
    headerf << "    }" << endl;
    headerf << "  }" << endl;
    headerf << "  " << endl;

    headerf << "};" << endl << endl;
    
    headerf << "#ifndef __CINT__" << endl;
    headerf << "extern " << Classname << " " << objName << ";" << endl;
    headerf << "#endif" << endl << endl;

    // Create namespace that can be used to access the extern'd cms2
    // object methods without having to type cms2. everywhere.
    // Does not include cms2.Init and cms2.GetEntry because I think
    // it is healthy to leave those methods as they are
    headerf << "namespace " << nameSpace << " {" << endl;
    implf   << "namespace " << nameSpace << " {" << endl;
    for (Int_t i = 0; i< aliasarray->GetEntries(); i++) {
        TString aliasname(aliasarray->At(i)->GetName());
        // TBranch *branch = ev->GetBranch(ev->GetAlias(aliasname.Data()));
        TBranch *branch = 0;
        if (have_aliases)
            branch = ev->GetBranch(ev->GetAlias(aliasname.Data()));
        else
            branch = (TBranch*)aliasarray->At(i);

        TString classname = branch->GetClassName();
        TString title = branch->GetTitle();
        if ( classname.Contains("vector") ) {
            if(classname.Contains("edm::Wrapper") ) {
                classname = classname(0,classname.Length()-2);
                classname.ReplaceAll("edm::Wrapper<","");
            }
            headerf << "\tconst " << classname << " &" << aliasname << "()";
            implf   << "\tconst " << classname << " &" << aliasname << "()";
        } else {
            if(classname.Contains("edm::Wrapper<") ) {
                classname = classname(0,classname.Length()-1);
                classname.ReplaceAll("edm::Wrapper<","");
            }
            if(classname != "" ) {
                headerf << "\tconst " << classname << " &" << aliasname << "()";
                implf   << "\tconst " << classname << " &" << aliasname << "()";
            } else {
                if(title.EndsWith("/i")){
                    headerf << "\tconst unsigned int &" << aliasname << "()";
                    implf   << "\tconst unsigned int &" << aliasname << "()";
                }
                if(title.EndsWith("/F")){
                    headerf << "\tconst float &" << aliasname << "()";
                    implf   << "\tconst float &" << aliasname << "()";
                }
                if(title.EndsWith("/I")){
                    headerf << "\tconst int &" << aliasname << "()";
                    implf   << "\tconst int &" << aliasname << "()";
                }
                if(title.EndsWith("/O")){
                    headerf << "\tconst bool &" << aliasname << "()";
                    implf   << "\tconst bool &" << aliasname << "()";
                }
            }
        }
        headerf << ";" << endl;
        implf   << " { return " << objName << "." << aliasname << "(); }" << endl;
    }
    if(haveHLTInfo) {
        //functions to return whether or not trigger fired - HLT
        headerf << "\t" << "bool passHLTTrigger(TString trigName);" << endl;
        implf   << "\t" << "bool passHLTTrigger(TString trigName) { return " << objName << ".passHLTTrigger(trigName); }" << endl;
    }//if(haveHLTInfo) 
    if(haveHLT8E29Info) {
        //functions to return whether or not trigger fired - HLT
        headerf << "\t" << "bool passHLT8E29Trigger(TString trigName);" << endl;
        implf   << "\t" << "bool passHLT8E29Trigger(TString trigName) { return " << objName << ".passHLT8E29Trigger(trigName); }" << endl;
    }//if(haveHLT8E29Info) 
    if(haveL1Info) {
        //functions to return whether or not trigger fired - L1
        headerf << "\t" << "bool passL1Trigger(TString trigName);" << endl;
        implf   << "\t" << "bool passL1Trigger(TString trigName) { return " << objName << ".passL1Trigger(trigName); }" << endl;
    }//if(haveL1Info)
 
}