DQMHistNormalizer Class Reference

Inheritance diagram for DQMHistNormalizer:

List of all members.

Public Member Functions
virtual void	analyze (const edm::Event &, const edm::EventSetup &)
	DQMHistNormalizer (const edm::ParameterSet &)
virtual void	endJob ()
virtual void	endRun (const edm::Run &r, const edm::EventSetup &c)
virtual	~DQMHistNormalizer ()
Private Member Functions
lat::Regexp *	buildRegex (const string &expr)
Private Attributes
vector< string >	plotNamesToNormalize_
string	reference_

---

Detailed Description

Class to produce efficiency histograms by dividing nominator by denominator histograms

Date:

2012/06/18 12:31:04

Revision:

1.8

Author:

Christian Veelken, UC Davis

Definition at line 38 of file DQMHistNormalizer.cc.

---

Constructor & Destructor Documentation

DQMHistNormalizer::DQMHistNormalizer

(

const edm::ParameterSet &

cfg

)

[explicit]

Definition at line 54 of file DQMHistNormalizer.cc.

                                                              :
  plotNamesToNormalize_(cfg.getParameter< std::vector<string> >("plotNamesToNormalize")),
  reference_(cfg.getParameter< string >("reference"))
{
  //std::cout << "<DQMHistNormalizer::DQMHistNormalizer>:" << std::endl;
}

DQMHistNormalizer::~DQMHistNormalizer

(

)

[virtual]

Definition at line 61 of file DQMHistNormalizer.cc.

{
//--- nothing to be done yet
}

---

Member Function Documentation

void DQMHistNormalizer::analyze	(	const edm::Event &	,
		const edm::EventSetup &
	)		[virtual]

Implements edm::EDAnalyzer.

Definition at line 66 of file DQMHistNormalizer.cc.

{
//--- nothing to be done yet
}

lat::Regexp * DQMHistNormalizer::buildRegex

(

const string &

expr

)

[private]

Definition at line 71 of file DQMHistNormalizer.cc.

References alignCSCRings::e, raiseDQMError(), and corrVsCorr::rx.

Referenced by endRun().

{
  lat::Regexp* rx = 0;
  try
  {
    rx = new lat::Regexp(expr, 0, lat::Regexp::Wildcard);
    rx->study();
  }
  catch (lat::Error &e)
  {
    raiseDQMError("DQMStore", "Invalid regular expression '%s': %s",
                  expr.c_str(), e.explain().c_str());
  }
  return rx;
}

virtual void DQMHistNormalizer::endJob

(

void

)

[inline, virtual]

Reimplemented from edm::EDAnalyzer.

Definition at line 45 of file DQMHistNormalizer.cc.

{}

void DQMHistNormalizer::endRun	(	const edm::Run &	r,
		const edm::EventSetup &	c
	)		[virtual]

Reimplemented from edm::EDAnalyzer.

Definition at line 87 of file DQMHistNormalizer.cc.

References buildRegex(), dir, DQMStore::getAllContents(), estimatePileup::hist, timingPdfMaker::pathname, plotNamesToNormalize_, and reference_.

{
  //std::cout << "<DQMHistNormalizer::endJob>:" << std::endl;

//--- check that DQMStore service is available
  if ( !edm::Service<DQMStore>().isAvailable() ) {
    edm::LogError ("endJob") << " Failed to access dqmStore --> histograms will NOT be plotted !!";
    return;
  }

  DQMStore& dqmStore = (*edm::Service<DQMStore>());

  vector<MonitorElement *> allOurMEs = dqmStore.getAllContents("RecoTauV/");
  lat::Regexp* refregex = buildRegex("*RecoTauV/*/" + reference_);
  vector<lat::Regexp*> toNormRegex;
  for ( std::vector<string>::const_iterator toNorm = plotNamesToNormalize_.begin(); toNorm != plotNamesToNormalize_.end(); ++toNorm )
    toNormRegex.push_back( buildRegex("*RecoTauV/*/" + *toNorm) );

  map<string, MonitorElement *> refsMap;
  vector<MonitorElement *> toNormElements;

  for(vector<MonitorElement *>::const_iterator element = allOurMEs.begin(); element != allOurMEs.end(); ++element){
    string pathname = (*element)->getFullname();
    //cout << pathname << endl;
    //Matches reference
    if(refregex->match(pathname)){
      //cout << "Matched to ref" << endl;
      string dir = pathname.substr(0, pathname.rfind("/"));
      if(refsMap.find(dir) != refsMap.end()){
        edm::LogInfo("DQMHistNormalizer")<<"DQMHistNormalizer::endRun: Warning! found multiple normalizing references for dir: "<<dir<<"!";
        edm::LogInfo("DQMHistNormalizer")<<"     " << (refsMap[dir])->getFullname();
        edm::LogInfo("DQMHistNormalizer")<<"     " << pathname;
      }
      else{
        refsMap[dir] = *element;
      }
    }

    //Matches targets
    for(vector<lat::Regexp*>::const_iterator reg = toNormRegex.begin(); reg != toNormRegex.end(); ++reg){
      if((*reg)->match(pathname)){
        //cout << "Matched to target" << endl;
        toNormElements.push_back(*element);
        //cout << "Filled the collection" << endl;
      }
    }
  }

  delete refregex;
  for(vector<lat::Regexp*>::const_iterator reg = toNormRegex.begin(); reg != toNormRegex.end(); ++reg)
    delete *reg;

  for(vector<MonitorElement *>::const_iterator matchingElement = toNormElements.begin(); matchingElement != toNormElements.end(); ++matchingElement){
    string meName = (*matchingElement)->getFullname();
    string dir = meName.substr(0, meName.rfind("/"));
    
    if(refsMap.find(dir) == refsMap.end()){
      edm::LogInfo("DQMHistNormalizer")<<"DQMHistNormalizer::endRun: Error! normalizing references for "<<meName<<" not found! Skipping...";
      continue;
    }
      
    float norm = refsMap[dir]->getTH1()->GetEntries();
    TH1* hist = (*matchingElement)->getTH1();
    if ( norm != 0. ) {
      if( !hist->GetSumw2N() ) hist->Sumw2();
      hist->Scale(1/norm);//use option "width" to divide the bin contents and errors by the bin width?
    }else{
      edm::LogInfo("DQMHistNormalizer")<<"DQMHistNormalizer::endRun: Error! Normalization failed in "<<hist->GetTitle()<<"!";
    }
      
  }//    for(vector<MonitorElement *>::const_iterator matchingElement = matchingElemts.begin(); matchingElement = matchingElemts.end(); ++matchingElement)
}

---

Member Data Documentation

vector<string> DQMHistNormalizer::plotNamesToNormalize_ [private]

Definition at line 50 of file DQMHistNormalizer.cc.

Referenced by endRun().

string DQMHistNormalizer::reference_ [private]

Definition at line 51 of file DQMHistNormalizer.cc.

Referenced by endRun().