CSCWireDigiValidation.cc

Go to the documentation of this file.

#include "DataFormats/Common/interface/Handle.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "Validation/MuonCSCDigis/src/CSCWireDigiValidation.h"

#include "DQMServices/Core/interface/DQMStore.h"
#include "Geometry/CSCGeometry/interface/CSCGeometry.h"
#include "Geometry/CSCGeometry/interface/CSCLayerGeometry.h"

CSCWireDigiValidation::CSCWireDigiValidation(const edm::InputTag &inputTag, edm::ConsumesCollector &&iC, bool doSim)
    : CSCBaseValidation(inputTag), doSim_(doSim), theTimeBinPlots(), theNDigisPerLayerPlots() {
  wires_Token_ = iC.consumes<CSCWireDigiCollection>(inputTag);
}

CSCWireDigiValidation::~CSCWireDigiValidation() {}

void CSCWireDigiValidation::bookHistograms(DQMStore::IBooker &iBooker) {
  theNDigisPerEventPlot = iBooker.book1D("CSCWireDigisPerEvent", "CSC Wire Digis per event", 100, 0, 100);
  for (int i = 0; i < 10; ++i) {
    char title1[200], title2[200], title3[200];
    sprintf(title1, "CSCWireDigiTimeType%d", i + 1);
    sprintf(title2, "CSCWireDigisPerLayerType%d", i + 1);
    sprintf(title3, "CSCWireDigiResolution%d", i + 1);
    theTimeBinPlots[i] = iBooker.book1D(title1, title1, 9, 0, 8);
    theNDigisPerLayerPlots[i] = iBooker.book1D(title2, title2, 100, 0, 20);
    theResolutionPlots[i] = iBooker.book1D(title3, title3, 100, -10, 10);
  }
}

void CSCWireDigiValidation::analyze(const edm::Event &e, const edm::EventSetup &) {
  edm::Handle<CSCWireDigiCollection> wires;

  e.getByToken(wires_Token_, wires);

  if (!wires.isValid()) {
    edm::LogError("CSCDigiDump") << "Cannot get wires by label " << theInputTag.encode();
  }

  unsigned nDigisPerEvent = 0;

  for (CSCWireDigiCollection::DigiRangeIterator j = wires->begin(); j != wires->end(); j++) {
    std::vector<CSCWireDigi>::const_iterator beginDigi = (*j).second.first;
    std::vector<CSCWireDigi>::const_iterator endDigi = (*j).second.second;
    int detId = (*j).first.rawId();

    const CSCLayer *layer = findLayer(detId);
    int chamberType = layer->chamber()->specs()->chamberType();
    int nDigis = endDigi - beginDigi;
    nDigisPerEvent += nDigis;
    theNDigisPerLayerPlots[chamberType - 1]->Fill(nDigis);

    for (std::vector<CSCWireDigi>::const_iterator digiItr = beginDigi; digiItr != endDigi; ++digiItr) {
      theTimeBinPlots[chamberType - 1]->Fill(digiItr->getTimeBin());
    }

    if (doSim_) {
      const edm::PSimHitContainer simHits = theSimHitMap->hits(detId);
      if (nDigis == 1 && simHits.size() == 1) {
        plotResolution(simHits[0], *beginDigi, layer, chamberType);
      }
    }
  }

  theNDigisPerEventPlot->Fill(nDigisPerEvent);
}

void CSCWireDigiValidation::plotResolution(const PSimHit &hit,
                                           const CSCWireDigi &digi,
                                           const CSCLayer *layer,
                                           int chamberType) {
  double hitX = hit.localPosition().x();
  double hitY = hit.localPosition().y();
  double digiY = layer->geometry()->yOfWireGroup(digi.getWireGroup(), hitX);
  theResolutionPlots[chamberType - 1]->Fill(digiY - hitY);
}