LaserAlignment.cc

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#include "Alignment/LaserAlignment/plugins/LaserAlignment.h"
#include "FWCore/Framework/interface/Run.h"
#include "Geometry/Records/interface/TrackerTopologyRcd.h"
#include "CondFormats/GeometryObjects/interface/PTrackerParameters.h"
#include "CondFormats/GeometryObjects/interface/PTrackerAdditionalParametersPerDet.h"
#include "Geometry/Records/interface/PTrackerParametersRcd.h"
#include "Geometry/Records/interface/PTrackerAdditionalParametersPerDetRcd.h"

LaserAlignment::LaserAlignment(edm::ParameterSet const& theConf)
    : topoToken_(esConsumes()),
      geomToken_(esConsumes()),
      geomDetToken_(esConsumes()),
      ptpToken_(esConsumes()),
      ptitpToken_(esConsumes()),
      gprToken_(esConsumes()),
      stripPedestalsToken_(esConsumes()),
      theEvents(0),
      theDoPedestalSubtraction(theConf.getUntrackedParameter<bool>("SubtractPedestals", true)),
      theUseMinuitAlgorithm(theConf.getUntrackedParameter<bool>("RunMinuitAlignmentTubeAlgorithm", false)),
      theApplyBeamKinkCorrections(theConf.getUntrackedParameter<bool>("ApplyBeamKinkCorrections", true)),
      peakFinderThreshold(theConf.getUntrackedParameter<double>("PeakFinderThreshold", 10.)),
      enableJudgeZeroFilter(theConf.getUntrackedParameter<bool>("EnableJudgeZeroFilter", true)),
      judgeOverdriveThreshold(theConf.getUntrackedParameter<unsigned int>("JudgeOverdriveThreshold", 220)),
      updateFromInputGeometry(theConf.getUntrackedParameter<bool>("UpdateFromInputGeometry", false)),
      misalignedByRefGeometry(theConf.getUntrackedParameter<bool>("MisalignedByRefGeometry", false)),
      theStoreToDB(theConf.getUntrackedParameter<bool>("SaveToDbase", false)),
      theDigiProducersList(theConf.getParameter<std::vector<edm::ParameterSet> >("DigiProducersList")),
      theSaveHistograms(theConf.getUntrackedParameter<bool>("SaveHistograms", false)),
      theCompression(theConf.getUntrackedParameter<int>("ROOTFileCompression", 1)),
      theFileName(theConf.getUntrackedParameter<std::string>("ROOTFileName", "test.root")),
      theMaskTecModules(theConf.getUntrackedParameter<std::vector<unsigned int> >("MaskTECModules")),
      theMaskAtModules(theConf.getUntrackedParameter<std::vector<unsigned int> >("MaskATModules")),
      theSetNominalStrips(theConf.getUntrackedParameter<bool>("ForceFitterToNominalStrips", false)),
      theLasConstants(theConf.getUntrackedParameter<std::vector<edm::ParameterSet> >("LaserAlignmentConstants")),
      theFile(),
      theAlignableTracker(),
      theAlignRecordName("TrackerAlignmentRcd"),
      theErrorRecordName("TrackerAlignmentErrorExtendedRcd"),
      firstEvent_(true) {
  std::cout << std::endl;
  std::cout << "=============================================================="
            << "\n===         LaserAlignment module configuration            ==="
            << "\n"
            << "\n    Write histograms to file       = " << (theSaveHistograms ? "true" : "false")
            << "\n    Histogram file name            = " << theFileName
            << "\n    Histogram file compression     = " << theCompression
            << "\n    Subtract pedestals             = " << (theDoPedestalSubtraction ? "true" : "false")
            << "\n    Run Minuit AT algorithm        = " << (theUseMinuitAlgorithm ? "true" : "false")
            << "\n    Apply beam kink corrections    = " << (theApplyBeamKinkCorrections ? "true" : "false")
            << "\n    Peak Finder Threshold          = " << peakFinderThreshold
            << "\n    EnableJudgeZeroFilter          = " << (enableJudgeZeroFilter ? "true" : "false")
            << "\n    JudgeOverdriveThreshold        = " << judgeOverdriveThreshold
            << "\n    Update from input geometry     = " << (updateFromInputGeometry ? "true" : "false")
            << "\n    Misalignment from ref geometry = " << (misalignedByRefGeometry ? "true" : "false")
            << "\n    Number of TEC modules masked   = " << theMaskTecModules.size() << " (s. below list if > 0)"
            << "\n    Number of AT modules masked    = " << theMaskAtModules.size() << " (s. below list if > 0)"
            << "\n    Store to database              = " << (theStoreToDB ? "true" : "false")
            << "\n    ----------------------------------------------- ----------"
            << (theSetNominalStrips ? "\n    Set strips to nominal       =  true" : "\n")
            << "\n=============================================================" << std::endl;

  // tell about masked modules
  if (!theMaskTecModules.empty()) {
    std::cout << " ===============================================================================================\n"
              << std::flush;
    std::cout << " The following " << theMaskTecModules.size()
              << " TEC modules have been masked out and will not be considered by the TEC algorithm:\n " << std::flush;
    for (std::vector<unsigned int>::iterator moduleIt = theMaskTecModules.begin(); moduleIt != theMaskTecModules.end();
         ++moduleIt) {
      std::cout << *moduleIt << (moduleIt != --theMaskTecModules.end() ? ", " : "") << std::flush;
    }
    std::cout << std::endl << std::flush;
    std::cout << " ===============================================================================================\n\n"
              << std::flush;
  }
  if (!theMaskAtModules.empty()) {
    std::cout << " ===============================================================================================\n"
              << std::flush;
    std::cout << " The following " << theMaskAtModules.size()
              << " AT modules have been masked out and will not be considered by the AT algorithm:\n " << std::flush;
    for (std::vector<unsigned int>::iterator moduleIt = theMaskAtModules.begin(); moduleIt != theMaskAtModules.end();
         ++moduleIt) {
      std::cout << *moduleIt << (moduleIt != --theMaskAtModules.end() ? ", " : "") << std::flush;
    }
    std::cout << std::endl << std::flush;
    std::cout << " ===============================================================================================\n\n"
              << std::flush;
  }

  // alias for the Branches in the root files
  std::string alias(theConf.getParameter<std::string>("@module_label"));

  // declare the product to produce
  produces<TkLasBeamCollection, edm::Transition::EndRun>("tkLaserBeams").setBranchAlias(alias + "TkLasBeamCollection");

  // switch judge's zero filter depending on cfg
  judge.EnableZeroFilter(enableJudgeZeroFilter);

  // set the upper threshold for zero suppressed data
  judge.SetOverdriveThreshold(judgeOverdriveThreshold);
}

LaserAlignment::~LaserAlignment() {
  if (theSaveHistograms)
    theFile->Write();
  if (theFile) {
    delete theFile;
  }
  if (theAlignableTracker) {
    delete theAlignableTracker;
  }
}

void LaserAlignment::beginJob() {
  // write sumed histograms to file (if selected in cfg)
  if (theSaveHistograms) {
    // creating a new file
    theFile = new TFile(theFileName.c_str(), "RECREATE", "CMS ROOT file");

    // initialize the histograms
    if (theFile) {
      theFile->SetCompressionLevel(theCompression);
      singleModulesDir = theFile->mkdir("single modules");
    } else
      throw cms::Exception(" [LaserAlignment::beginJob]")
          << " ** ERROR: could not open file:" << theFileName.c_str() << " for writing." << std::endl;
  }

  // detector id maps (hard coded)
  fillDetectorId();

  // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  //   PROFILE, HISTOGRAM & FITFUNCTION INITIALIZATION
  // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

  // object used to build various strings for names and labels
  std::stringstream nameBuilder;

  // loop variables for use with LASGlobalLoop object
  int det, ring, beam, disk, pos;

  // loop TEC modules
  det = 0;
  ring = 0;
  beam = 0;
  disk = 0;
  do {  // loop using LASGlobalLoop functionality
    // init the profiles
    pedestalProfiles.GetTECEntry(det, ring, beam, disk).SetAllValuesTo(0.);
    currentDataProfiles.GetTECEntry(det, ring, beam, disk).SetAllValuesTo(0.);
    collectedDataProfiles.GetTECEntry(det, ring, beam, disk).SetAllValuesTo(0.);

    // init the hit maps
    isAcceptedProfile.SetTECEntry(det, ring, beam, disk, 0);
    numberOfAcceptedProfiles.SetTECEntry(det, ring, beam, disk, 0);

    // create strings for histo names
    nameBuilder.clear();
    nameBuilder.str("");
    nameBuilder << "TEC";
    if (det == 0)
      nameBuilder << "+";
    else
      nameBuilder << "-";
    nameBuilder << "_Ring";
    if (ring == 0)
      nameBuilder << "4";
    else
      nameBuilder << "6";
    nameBuilder << "_Beam" << beam;
    nameBuilder << "_Disk" << disk;
    theProfileNames.SetTECEntry(det, ring, beam, disk, nameBuilder.str());

    // init the histograms
    if (theSaveHistograms) {
      nameBuilder << "_Histo";
      summedHistograms.SetTECEntry(
          det, ring, beam, disk, new TH1D(nameBuilder.str().c_str(), nameBuilder.str().c_str(), 512, 0, 512));
      summedHistograms.GetTECEntry(det, ring, beam, disk)->SetDirectory(singleModulesDir);
    }

  } while (moduleLoop.TECLoop(det, ring, beam, disk));

  // TIB & TOB section
  det = 2;
  beam = 0;
  pos = 0;
  do {  // loop using LASGlobalLoop functionality
    // init the profiles
    pedestalProfiles.GetTIBTOBEntry(det, beam, pos).SetAllValuesTo(0.);
    currentDataProfiles.GetTIBTOBEntry(det, beam, pos).SetAllValuesTo(0.);
    collectedDataProfiles.GetTIBTOBEntry(det, beam, pos).SetAllValuesTo(0.);

    // init the hit maps
    isAcceptedProfile.SetTIBTOBEntry(det, beam, pos, 0);
    numberOfAcceptedProfiles.SetTIBTOBEntry(det, beam, pos, 0);

    // create strings for histo names
    nameBuilder.clear();
    nameBuilder.str("");
    if (det == 2)
      nameBuilder << "TIB";
    else
      nameBuilder << "TOB";
    nameBuilder << "_Beam" << beam;
    nameBuilder << "_Zpos" << pos;

    theProfileNames.SetTIBTOBEntry(det, beam, pos, nameBuilder.str());

    // init the histograms
    if (theSaveHistograms) {
      nameBuilder << "_Histo";
      summedHistograms.SetTIBTOBEntry(
          det, beam, pos, new TH1D(nameBuilder.str().c_str(), nameBuilder.str().c_str(), 512, 0, 512));
      summedHistograms.GetTIBTOBEntry(det, beam, pos)->SetDirectory(singleModulesDir);
    }

  } while (moduleLoop.TIBTOBLoop(det, beam, pos));

  // TEC2TEC AT section
  det = 0;
  beam = 0;
  disk = 0;
  do {  // loop using LASGlobalLoop functionality
    // init the profiles
    pedestalProfiles.GetTEC2TECEntry(det, beam, disk).SetAllValuesTo(0.);
    currentDataProfiles.GetTEC2TECEntry(det, beam, disk).SetAllValuesTo(0.);
    collectedDataProfiles.GetTEC2TECEntry(det, beam, disk).SetAllValuesTo(0.);

    // init the hit maps
    isAcceptedProfile.SetTEC2TECEntry(det, beam, disk, 0);
    numberOfAcceptedProfiles.SetTEC2TECEntry(det, beam, disk, 0);

    // create strings for histo names
    nameBuilder.clear();
    nameBuilder.str("");
    nameBuilder << "TEC(AT)";
    if (det == 0)
      nameBuilder << "+";
    else
      nameBuilder << "-";
    nameBuilder << "_Beam" << beam;
    nameBuilder << "_Disk" << disk;
    theProfileNames.SetTEC2TECEntry(det, beam, disk, nameBuilder.str());

    // init the histograms
    if (theSaveHistograms) {
      nameBuilder << "_Histo";
      summedHistograms.SetTEC2TECEntry(
          det, beam, disk, new TH1D(nameBuilder.str().c_str(), nameBuilder.str().c_str(), 512, 0, 512));
      summedHistograms.GetTEC2TECEntry(det, beam, disk)->SetDirectory(singleModulesDir);
    }

  } while (moduleLoop.TEC2TECLoop(det, beam, disk));

  firstEvent_ = true;
}

void LaserAlignment::produce(edm::Event& theEvent, edm::EventSetup const& theSetup) {
  if (firstEvent_) {
    //Retrieve tracker topology from geometry
    const TrackerTopology* const tTopo = &theSetup.getData(topoToken_);

    // access the tracker
    gD = theSetup.getHandle(geomDetToken_);
    theTrackerGeometry = theSetup.getHandle(geomToken_);

    // access pedestals (from db..) if desired
    edm::ESHandle<SiStripPedestals> pedestalsHandle;
    if (theDoPedestalSubtraction) {
      pedestalsHandle = theSetup.getHandle(stripPedestalsToken_);
      fillPedestalProfiles(pedestalsHandle);
    }

    // global positions
    theGlobalPositionRcd = &theSetup.getData(gprToken_);

    // select the reference geometry
    if (!updateFromInputGeometry) {
      // the AlignableTracker object is initialized with the ideal geometry
      const GeometricDet* theGeometricDet = &theSetup.getData(geomDetToken_);
      const PTrackerParameters* ptp = &theSetup.getData(ptpToken_);
      const PTrackerAdditionalParametersPerDet* ptitp = &theSetup.getData(ptitpToken_);

      TrackerGeomBuilderFromGeometricDet trackerBuilder;
      TrackerGeometry* theRefTracker = trackerBuilder.build(&*theGeometricDet, &*ptitp, *ptp, tTopo);

      theAlignableTracker = new AlignableTracker(&(*theRefTracker), tTopo);
    } else {
      // the AlignableTracker object is initialized with the input geometry from DB
      theAlignableTracker = new AlignableTracker(&(*theTrackerGeometry), tTopo);
    }

    firstEvent_ = false;
  }

  LogDebug("LaserAlignment") << "==========================================================="
                             << "\n   Private analysis of event #" << theEvent.id().event() << " in run #"
                             << theEvent.id().run();

  // do the Tracker Statistics to retrieve the current profiles
  fillDataProfiles(theEvent, theSetup);

  // index variables for the LASGlobalLoop object
  int det, ring, beam, disk, pos;

  //
  // first pre-loop on selected entries to find out
  // whether the TEC or the AT beams have fired
  // (pedestal profiles are left empty if false in cfg)
  //

  // TEC+- (only ring 6)
  ring = 1;
  for (det = 0; det < 2; ++det) {
    for (beam = 0; beam < 8; ++beam) {
      for (disk = 0; disk < 9; ++disk) {
        if (judge.IsSignalIn(currentDataProfiles.GetTECEntry(det, ring, beam, disk) -
                                 pedestalProfiles.GetTECEntry(det, ring, beam, disk),
                             0)) {
          isAcceptedProfile.SetTECEntry(det, ring, beam, disk, 1);
        } else {  // assume no initialization
          isAcceptedProfile.SetTECEntry(det, ring, beam, disk, 0);
        }
      }
    }
  }

  // TIBTOB
  det = 2;
  beam = 0;
  pos = 0;
  do {
    // add current event's data and subtract pedestals
    if (judge.IsSignalIn(
            currentDataProfiles.GetTIBTOBEntry(det, beam, pos) - pedestalProfiles.GetTIBTOBEntry(det, beam, pos),
            getTIBTOBNominalBeamOffset(det, beam, pos))) {
      isAcceptedProfile.SetTIBTOBEntry(det, beam, pos, 1);
    } else {  // dto.
      isAcceptedProfile.SetTIBTOBEntry(det, beam, pos, 0);
    }

  } while (moduleLoop.TIBTOBLoop(det, beam, pos));

  // now come the beam finders
  bool isTECMode = isTECBeam();
  //  LogDebug( " [LaserAlignment::produce]" ) << "LaserAlignment::isTECBeam declares this event " << ( isTECMode ? "" : "NOT " ) << "a TEC event." << std::endl;
  std::cout << " [LaserAlignment::produce] -- LaserAlignment::isTECBeam declares this event "
            << (isTECMode ? "" : "NOT ") << "a TEC event." << std::endl;

  bool isATMode = isATBeam();
  //  LogDebug( " [LaserAlignment::produce]" ) << "LaserAlignment::isATBeam declares this event "  << ( isATMode ? "" : "NOT " )  << "an AT event." << std::endl;
  std::cout << " [LaserAlignment::produce] -- LaserAlignment::isATBeam declares this event " << (isATMode ? "" : "NOT ")
            << "an AT event." << std::endl;

  //
  // now pass the pedestal subtracted profiles to the judge
  // if they're accepted, add them on the collectedDataProfiles
  // (pedestal profiles are left empty if false in cfg)
  //

  // loop TEC+- modules
  det = 0;
  ring = 0;
  beam = 0;
  disk = 0;
  do {
    LogDebug("[LaserAlignment::produce]")
        << "Profile is: " << theProfileNames.GetTECEntry(det, ring, beam, disk) << "." << std::endl;

    // this now depends on the AT/TEC mode, is this a doubly hit module? -> look for it in vector<int> tecDoubleHitDetId
    // (ring == 0 not necessary but makes it a little faster)
    if (ring == 0 &&
        find(tecDoubleHitDetId.begin(), tecDoubleHitDetId.end(), detectorId.GetTECEntry(det, ring, beam, disk)) !=
            tecDoubleHitDetId.end()) {
      if (isTECMode) {  // add profile to TEC collection
        // add current event's data and subtract pedestals
        if (judge.JudgeProfile(currentDataProfiles.GetTECEntry(det, ring, beam, disk) -
                                   pedestalProfiles.GetTECEntry(det, ring, beam, disk),
                               0)) {
          collectedDataProfiles.GetTECEntry(det, ring, beam, disk) +=
              currentDataProfiles.GetTECEntry(det, ring, beam, disk) -
              pedestalProfiles.GetTECEntry(det, ring, beam, disk);
          numberOfAcceptedProfiles.GetTECEntry(det, ring, beam, disk)++;
        }
      }
    }

    else {  // not a doubly hit module, don't care about the mode
      // add current event's data and subtract pedestals
      if (judge.JudgeProfile(currentDataProfiles.GetTECEntry(det, ring, beam, disk) -
                                 pedestalProfiles.GetTECEntry(det, ring, beam, disk),
                             0)) {
        collectedDataProfiles.GetTECEntry(det, ring, beam, disk) +=
            currentDataProfiles.GetTECEntry(det, ring, beam, disk) -
            pedestalProfiles.GetTECEntry(det, ring, beam, disk);
        numberOfAcceptedProfiles.GetTECEntry(det, ring, beam, disk)++;
      }
    }

  } while (moduleLoop.TECLoop(det, ring, beam, disk));

  // loop TIB/TOB modules
  det = 2;
  beam = 0;
  pos = 0;
  do {
    LogDebug("[LaserAlignment::produce]")
        << "Profile is: " << theProfileNames.GetTIBTOBEntry(det, beam, pos) << "." << std::endl;

    // add current event's data and subtract pedestals
    if (judge.JudgeProfile(
            currentDataProfiles.GetTIBTOBEntry(det, beam, pos) - pedestalProfiles.GetTIBTOBEntry(det, beam, pos),
            getTIBTOBNominalBeamOffset(det, beam, pos))) {
      collectedDataProfiles.GetTIBTOBEntry(det, beam, pos) +=
          currentDataProfiles.GetTIBTOBEntry(det, beam, pos) - pedestalProfiles.GetTIBTOBEntry(det, beam, pos);
      numberOfAcceptedProfiles.GetTIBTOBEntry(det, beam, pos)++;
    }

  } while (moduleLoop.TIBTOBLoop(det, beam, pos));

  // loop TEC2TEC modules
  det = 0;
  beam = 0;
  disk = 0;
  do {
    LogDebug("[LaserAlignment::produce]")
        << "Profile is: " << theProfileNames.GetTEC2TECEntry(det, beam, disk) << "." << std::endl;

    // this again depends on the AT/TEC mode, is this a doubly hit module?
    // (ring == 0 not necessary but makes it a little faster)
    if (ring == 0 &&
        find(tecDoubleHitDetId.begin(), tecDoubleHitDetId.end(), detectorId.GetTECEntry(det, ring, beam, disk)) !=
            tecDoubleHitDetId.end()) {
      if (isATMode) {  // add profile to TEC2TEC collection
        // add current event's data and subtract pedestals
        if (judge.JudgeProfile(currentDataProfiles.GetTEC2TECEntry(det, beam, disk) -
                                   pedestalProfiles.GetTEC2TECEntry(det, beam, disk),
                               0)) {
          collectedDataProfiles.GetTEC2TECEntry(det, beam, disk) +=
              currentDataProfiles.GetTEC2TECEntry(det, beam, disk) - pedestalProfiles.GetTEC2TECEntry(det, beam, disk);
          numberOfAcceptedProfiles.GetTEC2TECEntry(det, beam, disk)++;
        }
      }

    }

    else {  // not a doubly hit module, don't care about the mode
      // add current event's data and subtract pedestals
      if (judge.JudgeProfile(
              currentDataProfiles.GetTEC2TECEntry(det, beam, disk) - pedestalProfiles.GetTEC2TECEntry(det, beam, disk),
              0)) {
        collectedDataProfiles.GetTEC2TECEntry(det, beam, disk) +=
            currentDataProfiles.GetTEC2TECEntry(det, beam, disk) - pedestalProfiles.GetTEC2TECEntry(det, beam, disk);
        numberOfAcceptedProfiles.GetTEC2TECEntry(det, beam, disk)++;
      }
    }

  } while (moduleLoop.TEC2TECLoop(det, beam, disk));

  // total event number counter
  theEvents++;
}

void LaserAlignment::endRunProduce(edm::Run& theRun, const edm::EventSetup& theSetup) {
  std::cout << " [LaserAlignment::endRun] -- Total number of events processed: " << theEvents << std::endl;

  // for debugging only..
  DumpHitmaps(numberOfAcceptedProfiles);

  // index variables for the LASGlobalLoop objects
  int det, ring, beam, disk, pos;

  // measured positions container for the algorithms
  LASGlobalData<LASCoordinateSet> measuredCoordinates;

  // fitted peak positions in units of strips (pair for value,error)
  LASGlobalData<std::pair<float, float> > measuredStripPositions;

  // the peak finder, a pair (pos/posErr in units of strips) for its results, and the success confirmation
  LASPeakFinder peakFinder;
  peakFinder.SetAmplitudeThreshold(peakFinderThreshold);
  std::pair<double, double> peakFinderResults;
  bool isGoodFit;

  // tracker geom. object for calculating the global beam positions
  const TrackerGeometry& theTracker(*theTrackerGeometry);

  // fill LASGlobalData<LASCoordinateSet> nominalCoordinates
  CalculateNominalCoordinates();

  // for determining the phi errors
  //    ErrorFrameTransformer errorTransformer; // later...

  // do the fits for TEC+- internal
  det = 0;
  ring = 0;
  beam = 0;
  disk = 0;
  do {
    // do the fit
    isGoodFit = peakFinder.FindPeakIn(collectedDataProfiles.GetTECEntry(det, ring, beam, disk),
                                      peakFinderResults,
                                      summedHistograms.GetTECEntry(det, ring, beam, disk),
                                      0);  // offset is 0 for TEC

    // now we have the measured positions in units of strips.
    if (!isGoodFit)
      std::cout << " [LaserAlignment::endRun] ** WARNING: Fit failed for TEC det: " << det << ", ring: " << ring
                << ", beam: " << beam << ", disk: " << disk << " (id: " << detectorId.GetTECEntry(det, ring, beam, disk)
                << ")." << std::endl;

    // <- here we will later implement the kink corrections

    // access the tracker geometry for this module
    const DetId theDetId(detectorId.GetTECEntry(det, ring, beam, disk));
    const StripGeomDetUnit* const theStripDet = dynamic_cast<const StripGeomDetUnit*>(theTracker.idToDet(theDetId));

    if (theStripDet) {
      // first, set the measured coordinates to their nominal values
      measuredCoordinates.SetTECEntry(det, ring, beam, disk, nominalCoordinates.GetTECEntry(det, ring, beam, disk));

      if (isGoodFit) {  // convert strip position to global phi and replace the nominal phi value/error

        measuredStripPositions.GetTECEntry(det, ring, beam, disk) = peakFinderResults;
        const float positionInStrips =
            theSetNominalStrips
                ? 256.
                : peakFinderResults.first;  // implementation of "ForceFitterToNominalStrips" config parameter
        const GlobalPoint& globalPoint =
            theStripDet->surface().toGlobal(theStripDet->specificTopology().localPosition(positionInStrips));
        measuredCoordinates.GetTECEntry(det, ring, beam, disk).SetPhi(ConvertAngle(globalPoint.barePhi()));

        // const GlobalError& globalError = errorTransformer.transform( theStripDet->specificTopology().localError( peakFinderResults.first, pow( peakFinderResults.second, 2 ) ), theStripDet->surface() );
        // measuredCoordinates.GetTECEntry( det, ring, beam, disk ).SetPhiError( globalError.phierr( globalPoint ) );
        measuredCoordinates.GetTECEntry(det, ring, beam, disk).SetPhiError(0.00046);  // PRELIMINARY ESTIMATE

      } else {  // keep nominal position (middle-of-module) but set a giant phi error so that the module can be ignored by the alignment algorithm
        measuredStripPositions.GetTECEntry(det, ring, beam, disk) = std::pair<float, float>(256., 1000.);
        const GlobalPoint& globalPoint =
            theStripDet->surface().toGlobal(theStripDet->specificTopology().localPosition(256.));
        measuredCoordinates.GetTECEntry(det, ring, beam, disk).SetPhi(ConvertAngle(globalPoint.barePhi()));
        measuredCoordinates.GetTECEntry(det, ring, beam, disk).SetPhiError(1000.);
      }
    }

  } while (moduleLoop.TECLoop(det, ring, beam, disk));

  // do the fits for TIB/TOB
  det = 2;
  beam = 0;
  pos = 0;
  do {
    // do the fit
    isGoodFit = peakFinder.FindPeakIn(collectedDataProfiles.GetTIBTOBEntry(det, beam, pos),
                                      peakFinderResults,
                                      summedHistograms.GetTIBTOBEntry(det, beam, pos),
                                      getTIBTOBNominalBeamOffset(det, beam, pos));

    // now we have the measured positions in units of strips.
    if (!isGoodFit)
      std::cout << " [LaserAlignment::endJob] ** WARNING: Fit failed for TIB/TOB det: " << det << ", beam: " << beam
                << ", pos: " << pos << " (id: " << detectorId.GetTIBTOBEntry(det, beam, pos) << ")." << std::endl;

    // <- here we will later implement the kink corrections

    // access the tracker geometry for this module
    const DetId theDetId(detectorId.GetTIBTOBEntry(det, beam, pos));
    const StripGeomDetUnit* const theStripDet = dynamic_cast<const StripGeomDetUnit*>(theTracker.idToDet(theDetId));

    if (theStripDet) {
      // first, set the measured coordinates to their nominal values
      measuredCoordinates.SetTIBTOBEntry(det, beam, pos, nominalCoordinates.GetTIBTOBEntry(det, beam, pos));

      if (isGoodFit) {  // convert strip position to global phi and replace the nominal phi value/error
        measuredStripPositions.GetTIBTOBEntry(det, beam, pos) = peakFinderResults;
        const float positionInStrips =
            theSetNominalStrips
                ? 256. + getTIBTOBNominalBeamOffset(det, beam, pos)
                : peakFinderResults.first;  // implementation of "ForceFitterToNominalStrips" config parameter
        const GlobalPoint& globalPoint =
            theStripDet->surface().toGlobal(theStripDet->specificTopology().localPosition(positionInStrips));
        measuredCoordinates.GetTIBTOBEntry(det, beam, pos).SetPhi(ConvertAngle(globalPoint.barePhi()));
        measuredCoordinates.GetTIBTOBEntry(det, beam, pos).SetPhiError(0.00028);  // PRELIMINARY ESTIMATE
      } else {  // keep nominal position but set a giant phi error so that the module can be ignored by the alignment algorithm
        measuredStripPositions.GetTIBTOBEntry(det, beam, pos) =
            std::pair<float, float>(256. + getTIBTOBNominalBeamOffset(det, beam, pos), 1000.);
        const GlobalPoint& globalPoint = theStripDet->surface().toGlobal(
            theStripDet->specificTopology().localPosition(256. + getTIBTOBNominalBeamOffset(det, beam, pos)));
        measuredCoordinates.GetTIBTOBEntry(det, beam, pos).SetPhi(ConvertAngle(globalPoint.barePhi()));
        measuredCoordinates.GetTIBTOBEntry(det, beam, pos).SetPhiError(1000.);
      }
    }

  } while (moduleLoop.TIBTOBLoop(det, beam, pos));

  // do the fits for TEC AT
  det = 0;
  beam = 0;
  disk = 0;
  do {
    // do the fit
    isGoodFit = peakFinder.FindPeakIn(collectedDataProfiles.GetTEC2TECEntry(det, beam, disk),
                                      peakFinderResults,
                                      summedHistograms.GetTEC2TECEntry(det, beam, disk),
                                      getTEC2TECNominalBeamOffset(det, beam, disk));
    // now we have the positions in units of strips.
    if (!isGoodFit)
      std::cout << " [LaserAlignment::endRun] ** WARNING: Fit failed for TEC2TEC det: " << det << ", beam: " << beam
                << ", disk: " << disk << " (id: " << detectorId.GetTEC2TECEntry(det, beam, disk) << ")." << std::endl;

    // <- here we will later implement the kink corrections

    // access the tracker geometry for this module
    const DetId theDetId(detectorId.GetTEC2TECEntry(det, beam, disk));
    const StripGeomDetUnit* const theStripDet = dynamic_cast<const StripGeomDetUnit*>(theTracker.idToDet(theDetId));

    if (theStripDet) {
      // first, set the measured coordinates to their nominal values
      measuredCoordinates.SetTEC2TECEntry(det, beam, disk, nominalCoordinates.GetTEC2TECEntry(det, beam, disk));

      if (isGoodFit) {  // convert strip position to global phi and replace the nominal phi value/error
        measuredStripPositions.GetTEC2TECEntry(det, beam, disk) = peakFinderResults;
        const float positionInStrips =
            theSetNominalStrips
                ? 256. + getTEC2TECNominalBeamOffset(det, beam, disk)
                : peakFinderResults.first;  // implementation of "ForceFitterToNominalStrips" config parameter
        const GlobalPoint& globalPoint =
            theStripDet->surface().toGlobal(theStripDet->specificTopology().localPosition(positionInStrips));
        measuredCoordinates.GetTEC2TECEntry(det, beam, disk).SetPhi(ConvertAngle(globalPoint.barePhi()));
        measuredCoordinates.GetTEC2TECEntry(det, beam, disk).SetPhiError(0.00047);  // PRELIMINARY ESTIMATE
      } else {  // keep nominal position but set a giant phi error so that the module can be ignored by the alignment algorithm
        measuredStripPositions.GetTEC2TECEntry(det, beam, disk) =
            std::pair<float, float>(256. + getTEC2TECNominalBeamOffset(det, beam, disk), 1000.);
        const GlobalPoint& globalPoint = theStripDet->surface().toGlobal(
            theStripDet->specificTopology().localPosition(256. + getTEC2TECNominalBeamOffset(det, beam, disk)));
        measuredCoordinates.GetTEC2TECEntry(det, beam, disk).SetPhi(ConvertAngle(globalPoint.barePhi()));
        measuredCoordinates.GetTEC2TECEntry(det, beam, disk).SetPhiError(1000.);
      }
    }

  } while (moduleLoop.TEC2TECLoop(det, beam, disk));

  // see what we got (for debugging)
  //  DumpStripFileSet( measuredStripPositions );
  //  DumpPosFileSet( measuredCoordinates );

  // CALCULATE PARAMETERS AND UPDATE DB OBJECT
  // for beam kink corrections, reconstructing the geometry and updating the db object
  LASGeometryUpdater geometryUpdater(nominalCoordinates, theLasConstants);

  // apply all beam corrections
  if (theApplyBeamKinkCorrections)
    geometryUpdater.ApplyBeamKinkCorrections(measuredCoordinates);

  // if we start with input geometry instead of IDEAL,
  // reverse the adjustments in the AlignableTracker object
  if (updateFromInputGeometry)
    geometryUpdater.SetReverseDirection(true);

  // if we have "virtual" misalignment which is introduced via the reference geometry,
  // tell the LASGeometryUpdater to reverse x & y adjustments
  if (misalignedByRefGeometry)
    geometryUpdater.SetMisalignmentFromRefGeometry(true);

  // run the endcap algorithm
  LASEndcapAlgorithm endcapAlgorithm;
  LASEndcapAlignmentParameterSet endcapParameters;

  // this basically sets all the endcap modules to be masked
  // to their nominal positions (since endcapParameters is overall zero)
  if (!theMaskTecModules.empty()) {
    ApplyEndcapMaskingCorrections(measuredCoordinates, nominalCoordinates, endcapParameters);
  }

  // run the algorithm
  endcapParameters = endcapAlgorithm.CalculateParameters(measuredCoordinates, nominalCoordinates);

  //
  // loop to mask out events
  // DESCRIPTION:
  //

  // do this only if there are modules to be masked..
  if (!theMaskTecModules.empty()) {
    const unsigned int nIterations = 30;
    for (unsigned int iteration = 0; iteration < nIterations; ++iteration) {
      // set the endcap modules to be masked to their positions
      // according to the reconstructed parameters
      ApplyEndcapMaskingCorrections(measuredCoordinates, nominalCoordinates, endcapParameters);

      // modifications applied, so re-run the algorithm
      endcapParameters = endcapAlgorithm.CalculateParameters(measuredCoordinates, nominalCoordinates);
    }
  }

  // these are now final, so:
  endcapParameters.Print();

  // do a pre-alignment of the endcaps (TEC2TEC only)
  // so that the alignment tube algorithms finds orderly disks
  geometryUpdater.EndcapUpdate(endcapParameters, measuredCoordinates);

  // the alignment tube algorithms, choose from config
  LASBarrelAlignmentParameterSet alignmentTubeParameters;
  // the MINUIT-BASED alignment tube algorithm
  LASBarrelAlgorithm barrelAlgorithm;
  // the ANALYTICAL alignment tube algorithm
  LASAlignmentTubeAlgorithm alignmentTubeAlgorithm;

  // this basically sets all the modules to be masked
  // to their nominal positions (since alignmentTubeParameters is overall zero)
  if (!theMaskAtModules.empty()) {
    ApplyATMaskingCorrections(measuredCoordinates, nominalCoordinates, alignmentTubeParameters);
  }

  if (theUseMinuitAlgorithm) {
    // run the MINUIT-BASED alignment tube algorithm
    alignmentTubeParameters = barrelAlgorithm.CalculateParameters(measuredCoordinates, nominalCoordinates);
  } else {
    // the ANALYTICAL alignment tube algorithm
    alignmentTubeParameters = alignmentTubeAlgorithm.CalculateParameters(measuredCoordinates, nominalCoordinates);
  }

  //
  // loop to mask out events
  // DESCRIPTION:
  //

  // do this only if there are modules to be masked..
  if (!theMaskAtModules.empty()) {
    const unsigned int nIterations = 30;
    for (unsigned int iteration = 0; iteration < nIterations; ++iteration) {
      // set the AT modules to be masked to their positions
      // according to the reconstructed parameters
      ApplyATMaskingCorrections(measuredCoordinates, nominalCoordinates, alignmentTubeParameters);

      // modifications applied, so re-run the algorithm
      if (theUseMinuitAlgorithm) {
        alignmentTubeParameters = barrelAlgorithm.CalculateParameters(measuredCoordinates, nominalCoordinates);
      } else {
        alignmentTubeParameters = alignmentTubeAlgorithm.CalculateParameters(measuredCoordinates, nominalCoordinates);
      }
    }
  }

  // these are now final, so:
  alignmentTubeParameters.Print();

  // combine the results and update the db object
  geometryUpdater.TrackerUpdate(endcapParameters, alignmentTubeParameters, *theAlignableTracker);


  // the collection container
  auto laserBeams = std::make_unique<TkLasBeamCollection>();

  // first for the endcap internal beams
  for (det = 0; det < 2; ++det) {
    for (ring = 0; ring < 2; ++ring) {
      for (beam = 0; beam < 8; ++beam) {
        // the beam and its identifier (see TkLasTrackBasedInterface TWiki)
        TkLasBeam currentBeam(100 * det + 10 * beam + ring);

        // order the hits in the beam by increasing z
        const int firstDisk = det == 0 ? 0 : 8;
        const int lastDisk = det == 0 ? 8 : 0;

        // count upwards or downwards
        for (disk = firstDisk; det == 0 ? disk <= lastDisk : disk >= lastDisk; det == 0 ? ++disk : --disk) {
          // detId for the SiStripLaserRecHit2D
          const SiStripDetId theDetId(detectorId.GetTECEntry(det, ring, beam, disk));

          // need this to calculate the localPosition and its error
          const StripGeomDetUnit* const theStripDet =
              dynamic_cast<const StripGeomDetUnit*>(theTracker.idToDet(theDetId));

          // the hit container
          const SiStripLaserRecHit2D currentHit(theStripDet->specificTopology().localPosition(
                                                    measuredStripPositions.GetTECEntry(det, ring, beam, disk).first),
                                                theStripDet->specificTopology().localError(
                                                    measuredStripPositions.GetTECEntry(det, ring, beam, disk).first,
                                                    measuredStripPositions.GetTECEntry(det, ring, beam, disk).second),
                                                theDetId);

          currentBeam.push_back(currentHit);
        }

        laserBeams->push_back(currentBeam);
      }
    }
  }

  // then, following the convention in TkLasTrackBasedInterface TWiki, the alignment tube beams;
  // they comprise hits in TIBTOB & TEC2TEC

  for (beam = 0; beam < 8; ++beam) {
    // the beam and its identifier (see TkLasTrackBasedInterface TWiki)
    TkLasBeam currentBeam(100 * 2 /*beamGroup=AT=2*/ + 10 * beam + 0 /*ring=0*/);

    // first: tec-
    det = 1;
    for (disk = 4; disk >= 0; --disk) {
      // detId for the SiStripLaserRecHit2D
      const SiStripDetId theDetId(detectorId.GetTEC2TECEntry(det, beam, disk));

      // need this to calculate the localPosition and its error
      const StripGeomDetUnit* const theStripDet = dynamic_cast<const StripGeomDetUnit*>(theTracker.idToDet(theDetId));

      // the hit container
      const SiStripLaserRecHit2D currentHit(
          theStripDet->specificTopology().localPosition(measuredStripPositions.GetTEC2TECEntry(det, beam, disk).first),
          theStripDet->specificTopology().localError(measuredStripPositions.GetTEC2TECEntry(det, beam, disk).first,
                                                     measuredStripPositions.GetTEC2TECEntry(det, beam, disk).second),
          theDetId);

      currentBeam.push_back(currentHit);
    }

    // now TIB and TOB in one go
    for (det = 2; det < 4; ++det) {
      for (pos = 5; pos >= 0; --pos) {  // stupidly, pos is defined from +z to -z in LASGlobalLoop

        // detId for the SiStripLaserRecHit2D
        const SiStripDetId theDetId(detectorId.GetTIBTOBEntry(det, beam, pos));

        // need this to calculate the localPosition and its error
        const StripGeomDetUnit* const theStripDet = dynamic_cast<const StripGeomDetUnit*>(theTracker.idToDet(theDetId));

        // the hit container
        const SiStripLaserRecHit2D currentHit(
            theStripDet->specificTopology().localPosition(measuredStripPositions.GetTIBTOBEntry(det, beam, pos).first),
            theStripDet->specificTopology().localError(measuredStripPositions.GetTIBTOBEntry(det, beam, pos).first,
                                                       measuredStripPositions.GetTIBTOBEntry(det, beam, pos).second),
            theDetId);

        currentBeam.push_back(currentHit);
      }
    }

    // then: tec+
    det = 0;
    for (disk = 0; disk < 5; ++disk) {
      // detId for the SiStripLaserRecHit2D
      const SiStripDetId theDetId(detectorId.GetTEC2TECEntry(det, beam, disk));

      // need this to calculate the localPosition and its error
      const StripGeomDetUnit* const theStripDet = dynamic_cast<const StripGeomDetUnit*>(theTracker.idToDet(theDetId));

      // the hit container
      const SiStripLaserRecHit2D currentHit(
          theStripDet->specificTopology().localPosition(measuredStripPositions.GetTEC2TECEntry(det, beam, disk).first),
          theStripDet->specificTopology().localError(measuredStripPositions.GetTEC2TECEntry(det, beam, disk).first,
                                                     measuredStripPositions.GetTEC2TECEntry(det, beam, disk).second),
          theDetId);

      currentBeam.push_back(currentHit);
    }

    // save this beam to the beamCollection
    laserBeams->push_back(currentBeam);

  }  // (close beam loop)

  // now attach the collection to the run
  theRun.put(std::move(laserBeams), "tkLaserBeams");

  // store the estimated alignment parameters into the DB
  // first get them
  Alignments alignments = *(theAlignableTracker->alignments());
  AlignmentErrorsExtended alignmentErrors = *(theAlignableTracker->alignmentErrors());

  if (theStoreToDB) {
    std::cout << " [LaserAlignment::endRun] -- Storing the calculated alignment parameters to the DataBase:"
              << std::endl;

    // Call service
    edm::Service<cond::service::PoolDBOutputService> poolDbService;
    if (!poolDbService.isAvailable())  // Die if not available
      throw cms::Exception("NotAvailable") << "PoolDBOutputService not available";

    // Store

    //     if ( poolDbService->isNewTagRequest(theAlignRecordName) ) {
    //       poolDbService->createOneIOV<Alignments>( alignments, poolDbService->currentTime(), theAlignRecordName );
    //     }
    //     else {
    //       poolDbService->appendOneIOV<Alignments>( alignments, poolDbService->currentTime(), theAlignRecordName );
    //     }
    poolDbService->writeOneIOV<Alignments>(alignments, poolDbService->beginOfTime(), theAlignRecordName);

    //     if ( poolDbService->isNewTagRequest(theErrorRecordName) ) {
    //       poolDbService->createOneIOV<AlignmentErrorsExtended>( alignmentErrors, poolDbService->currentTime(), poolDbService->endOfTime(), theErrorRecordName );
    //     }
    //     else {
    //       poolDbService->appendOneIOV<AlignmentErrorsExtended>( alignmentErrors, poolDbService->currentTime(), theErrorRecordName );
    //     }
    poolDbService->writeOneIOV<AlignmentErrorsExtended>(
        alignmentErrors, poolDbService->beginOfTime(), theErrorRecordName);

    std::cout << " [LaserAlignment::endRun] -- Storing done." << std::endl;
  }
}

void LaserAlignment::endJob() {}

void LaserAlignment::fillDataProfiles(edm::Event const& theEvent, edm::EventSetup const& theSetup) {
  // two handles for the two different kinds of digis
  edm::Handle<edm::DetSetVector<SiStripRawDigi> > theStripRawDigis;
  edm::Handle<edm::DetSetVector<SiStripDigi> > theStripDigis;

  bool isRawDigi = false;

  // indices for the LASGlobalLoop object
  int det = 0, ring = 0, beam = 0, disk = 0, pos = 0;

  // query config set and loop over all PSets in the VPSet
  for (std::vector<edm::ParameterSet>::iterator itDigiProducersList = theDigiProducersList.begin();
       itDigiProducersList != theDigiProducersList.end();
       ++itDigiProducersList) {
    std::string digiProducer = itDigiProducersList->getParameter<std::string>("DigiProducer");
    std::string digiLabel = itDigiProducersList->getParameter<std::string>("DigiLabel");
    std::string digiType = itDigiProducersList->getParameter<std::string>("DigiType");

    // now branch according to digi type (raw or processed);
    // first we go for raw digis => SiStripRawDigi
    if (digiType == "Raw") {
      theEvent.getByLabel(digiProducer, digiLabel, theStripRawDigis);
      isRawDigi = true;
    } else if (digiType == "Processed") {
      theEvent.getByLabel(digiProducer, digiLabel, theStripDigis);
      isRawDigi = false;
    } else {
      throw cms::Exception(" [LaserAlignment::fillDataProfiles]")
          << " ** ERROR: Invalid digi type: \"" << digiType << "\" specified in configuration." << std::endl;
    }

    // loop TEC internal modules
    det = 0;
    ring = 0;
    beam = 0;
    disk = 0;
    do {
      // first clear the profile
      currentDataProfiles.GetTECEntry(det, ring, beam, disk).SetAllValuesTo(0.);

      // retrieve the raw id of that module
      const int detRawId = detectorId.GetTECEntry(det, ring, beam, disk);

      if (isRawDigi) {  // we have raw SiStripRawDigis

        // search the digis for the raw id
        edm::DetSetVector<SiStripRawDigi>::const_iterator detSetIter = theStripRawDigis->find(detRawId);
        if (detSetIter == theStripRawDigis->end()) {
          throw cms::Exception("[Laser Alignment::fillDataProfiles]")
              << " ** ERROR: No raw DetSet found for det: " << detRawId << "." << std::endl;
        }

        // fill the digis to the profiles
        edm::DetSet<SiStripRawDigi>::const_iterator digiRangeIterator = detSetIter->data.begin();  // for the loop
        edm::DetSet<SiStripRawDigi>::const_iterator digiRangeStart = digiRangeIterator;  // save starting positions

        // loop all digis
        for (; digiRangeIterator != detSetIter->data.end(); ++digiRangeIterator) {
          const SiStripRawDigi& digi = *digiRangeIterator;
          const int channel = distance(digiRangeStart, digiRangeIterator);
          if (channel >= 0 && channel < 512)
            currentDataProfiles.GetTECEntry(det, ring, beam, disk).SetValue(channel, digi.adc());
          else
            throw cms::Exception("[Laser Alignment::fillDataProfiles]")
                << " ** ERROR: raw digi channel: " << channel << " out of range for det: " << detRawId << "."
                << std::endl;
        }

      }

      else {  // we have zero suppressed SiStripDigis

        // search the digis for the raw id
        edm::DetSetVector<SiStripDigi>::const_iterator detSetIter = theStripDigis->find(detRawId);

        // processed DetSets may be missing, just skip
        if (detSetIter == theStripDigis->end())
          continue;

        // fill the digis to the profiles
        edm::DetSet<SiStripDigi>::const_iterator digiRangeIterator = detSetIter->data.begin();  // for the loop

        for (; digiRangeIterator != detSetIter->data.end(); ++digiRangeIterator) {
          const SiStripDigi& digi = *digiRangeIterator;
          if (digi.strip() < 512)
            currentDataProfiles.GetTECEntry(det, ring, beam, disk).SetValue(digi.strip(), digi.adc());
          else
            throw cms::Exception("[Laser Alignment::fillDataProfiles]")
                << " ** ERROR: digi strip: " << digi.strip() << " out of range for det: " << detRawId << "."
                << std::endl;
        }
      }

    } while (moduleLoop.TECLoop(det, ring, beam, disk));

    // loop TIBTOB modules
    det = 2;
    beam = 0;
    pos = 0;
    do {
      // first clear the profile
      currentDataProfiles.GetTIBTOBEntry(det, beam, pos).SetAllValuesTo(0.);

      // retrieve the raw id of that module
      const int detRawId = detectorId.GetTIBTOBEntry(det, beam, pos);

      if (isRawDigi) {  // we have raw SiStripRawDigis

        // search the digis for the raw id
        edm::DetSetVector<SiStripRawDigi>::const_iterator detSetIter = theStripRawDigis->find(detRawId);
        if (detSetIter == theStripRawDigis->end()) {
          throw cms::Exception("[Laser Alignment::fillDataProfiles]")
              << " ** ERROR: No raw DetSet found for det: " << detRawId << "." << std::endl;
        }

        // fill the digis to the profiles
        edm::DetSet<SiStripRawDigi>::const_iterator digiRangeIterator = detSetIter->data.begin();  // for the loop
        edm::DetSet<SiStripRawDigi>::const_iterator digiRangeStart = digiRangeIterator;  // save starting positions

        // loop all digis
        for (; digiRangeIterator != detSetIter->data.end(); ++digiRangeIterator) {
          const SiStripRawDigi& digi = *digiRangeIterator;
          const int channel = distance(digiRangeStart, digiRangeIterator);
          if (channel >= 0 && channel < 512)
            currentDataProfiles.GetTIBTOBEntry(det, beam, pos).SetValue(channel, digi.adc());
          else
            throw cms::Exception("[Laser Alignment::fillDataProfiles]")
                << " ** ERROR: raw digi channel: " << channel << " out of range for det: " << detRawId << "."
                << std::endl;
        }

      }

      else {  // we have zero suppressed SiStripDigis

        // search the digis for the raw id
        edm::DetSetVector<SiStripDigi>::const_iterator detSetIter = theStripDigis->find(detRawId);

        // processed DetSets may be missing, just skip
        if (detSetIter == theStripDigis->end())
          continue;

        // fill the digis to the profiles
        edm::DetSet<SiStripDigi>::const_iterator digiRangeIterator = detSetIter->data.begin();  // for the loop

        for (; digiRangeIterator != detSetIter->data.end(); ++digiRangeIterator) {
          const SiStripDigi& digi = *digiRangeIterator;
          if (digi.strip() < 512)
            currentDataProfiles.GetTIBTOBEntry(det, beam, pos).SetValue(digi.strip(), digi.adc());
          else
            throw cms::Exception("[Laser Alignment::fillDataProfiles]")
                << " ** ERROR: digi strip: " << digi.strip() << " out of range for det: " << detRawId << "."
                << std::endl;
        }
      }

    } while (moduleLoop.TIBTOBLoop(det, beam, pos));

    // loop TEC AT modules
    det = 0;
    beam = 0;
    disk = 0;
    do {
      // first clear the profile
      currentDataProfiles.GetTEC2TECEntry(det, beam, disk).SetAllValuesTo(0.);

      // retrieve the raw id of that module
      const int detRawId = detectorId.GetTEC2TECEntry(det, beam, disk);

      if (isRawDigi) {  // we have raw SiStripRawDigis

        // search the digis for the raw id
        edm::DetSetVector<SiStripRawDigi>::const_iterator detSetIter = theStripRawDigis->find(detRawId);
        if (detSetIter == theStripRawDigis->end()) {
          throw cms::Exception("[Laser Alignment::fillDataProfiles]")
              << " ** ERROR: No raw DetSet found for det: " << detRawId << "." << std::endl;
        }

        // fill the digis to the profiles
        edm::DetSet<SiStripRawDigi>::const_iterator digiRangeIterator = detSetIter->data.begin();  // for the loop
        edm::DetSet<SiStripRawDigi>::const_iterator digiRangeStart = digiRangeIterator;  // save starting positions

        // loop all digis
        for (; digiRangeIterator != detSetIter->data.end(); ++digiRangeIterator) {
          const SiStripRawDigi& digi = *digiRangeIterator;
          const int channel = distance(digiRangeStart, digiRangeIterator);
          if (channel >= 0 && channel < 512)
            currentDataProfiles.GetTEC2TECEntry(det, beam, disk).SetValue(channel, digi.adc());
          else
            throw cms::Exception("[Laser Alignment::fillDataProfiles]")
                << " ** ERROR: raw digi channel: " << channel << " out of range for det: " << detRawId << "."
                << std::endl;
        }

      }

      else {  // we have zero suppressed SiStripDigis

        // search the digis for the raw id
        edm::DetSetVector<SiStripDigi>::const_iterator detSetIter = theStripDigis->find(detRawId);

        // processed DetSets may be missing, just skip
        if (detSetIter == theStripDigis->end())
          continue;

        // fill the digis to the profiles
        edm::DetSet<SiStripDigi>::const_iterator digiRangeIterator = detSetIter->data.begin();  // for the loop

        for (; digiRangeIterator != detSetIter->data.end(); ++digiRangeIterator) {
          const SiStripDigi& digi = *digiRangeIterator;
          if (digi.strip() < 512)
            currentDataProfiles.GetTEC2TECEntry(det, beam, disk).SetValue(digi.strip(), digi.adc());
          else
            throw cms::Exception("[Laser Alignment::fillDataProfiles]")
                << " ** ERROR: digi strip: " << digi.strip() << " out of range for det: " << detRawId << "."
                << std::endl;
        }
      }

    } while (moduleLoop.TEC2TECLoop(det, beam, disk));

  }  // theDigiProducersList loop
}

void LaserAlignment::fillPedestalProfiles(edm::ESHandle<SiStripPedestals>& pedestalsHandle) {
  int det, ring, beam, disk, pos;

  // loop TEC modules (yet without AT)
  det = 0;
  ring = 0;
  beam = 0;
  disk = 0;
  do {  // loop using LASGlobalLoop functionality
    SiStripPedestals::Range pedRange = pedestalsHandle->getRange(detectorId.GetTECEntry(det, ring, beam, disk));
    for (int strip = 0; strip < 512; ++strip) {
      int thePedestal = int(pedestalsHandle->getPed(strip, pedRange));
      if (thePedestal > 895)
        thePedestal -= 1024;
      pedestalProfiles.GetTECEntry(det, ring, beam, disk).SetValue(strip, thePedestal);
    }
  } while (moduleLoop.TECLoop(det, ring, beam, disk));

  // TIB & TOB section
  det = 2;
  beam = 0;
  pos = 0;
  do {  // loop using LASGlobalLoop functionality
    SiStripPedestals::Range pedRange = pedestalsHandle->getRange(detectorId.GetTIBTOBEntry(det, beam, pos));
    for (int strip = 0; strip < 512; ++strip) {
      int thePedestal = int(pedestalsHandle->getPed(strip, pedRange));
      if (thePedestal > 895)
        thePedestal -= 1024;
      pedestalProfiles.GetTIBTOBEntry(det, beam, pos).SetValue(strip, thePedestal);
    }
  } while (moduleLoop.TIBTOBLoop(det, beam, pos));

  // TEC2TEC AT section
  det = 0;
  beam = 0;
  disk = 0;
  do {  // loop using LASGlobalLoop functionality
    SiStripPedestals::Range pedRange = pedestalsHandle->getRange(detectorId.GetTEC2TECEntry(det, beam, disk));
    for (int strip = 0; strip < 512; ++strip) {
      int thePedestal = int(pedestalsHandle->getPed(strip, pedRange));
      if (thePedestal > 895)
        thePedestal -= 1024;
      pedestalProfiles.GetTEC2TECEntry(det, beam, disk).SetValue(strip, thePedestal);
    }
  } while (moduleLoop.TEC2TECLoop(det, beam, disk));
}

bool LaserAlignment::isTECBeam(void) {
  int numberOfProfiles = 0;

  int ring = 1;  // search all ring6 modules for signals
  for (int det = 0; det < 2; ++det) {
    for (int beam = 0; beam < 8; ++beam) {
      for (int disk = 0; disk < 9; ++disk) {
        if (isAcceptedProfile.GetTECEntry(det, ring, beam, disk) == 1)
          numberOfProfiles++;
      }
    }
  }

  LogDebug("[LaserAlignment::isTECBeam]") << " Found: " << numberOfProfiles << "hits." << std::endl;
  std::cout << " [LaserAlignment::isTECBeam] -- Found: " << numberOfProfiles << " hits." << std::endl;  

  if (numberOfProfiles > 10)
    return (true);
  return (false);
}


bool LaserAlignment::isATBeam(void) {
  int numberOfProfiles = 0;

  int det = 2;
  int beam = 0;
  int pos = 0;  // search all TIB/TOB for signals
  do {
    if (isAcceptedProfile.GetTIBTOBEntry(det, beam, pos) == 1)
      numberOfProfiles++;
  } while (moduleLoop.TIBTOBLoop(det, beam, pos));

  LogDebug("[LaserAlignment::isATBeam]") << " Found: " << numberOfProfiles << "hits." << std::endl;
  std::cout << " [LaserAlignment::isATBeam] -- Found: " << numberOfProfiles << " hits." << std::endl;  

  if (numberOfProfiles > 10)
    return (true);
  return (false);
}

double LaserAlignment::getTIBTOBNominalBeamOffset(unsigned int det, unsigned int beam, unsigned int pos) {
  if (det < 2 || det > 3 || beam > 7 || pos > 5) {
    throw cms::Exception("[LaserAlignment::getTIBTOBNominalBeamOffset]")
        << " ERROR ** Called with nonexisting parameter set: det " << det << " beam " << beam << " pos " << pos << "."
        << std::endl;
  }

  const double nominalOffsetsTIB[8] = {
      0.00035, 2.10687, -2.10827, -0.00173446, 2.10072, -0.00135114, 2.10105, -2.10401};

  // in tob, modules have alternating orientations along the rods.
  // this is described by the following pattern.
  // (even more confusing, this pattern is inversed for beams 0, 5, 6, 7)
  const int orientationPattern[6] = {-1, 1, 1, -1, -1, 1};
  const double nominalOffsetsTOB[8] = {0.00217408, 1.58678, 117.733, 119.321, 120.906, 119.328, 117.743, 1.58947};

  if (det == 2)
    return (-1. * nominalOffsetsTIB[beam]);

  else {
    if (beam == 0 or beam > 4)
      return (nominalOffsetsTOB[beam] * orientationPattern[pos]);
    else
      return (-1. * nominalOffsetsTOB[beam] * orientationPattern[pos]);
  }
}

double LaserAlignment::getTEC2TECNominalBeamOffset(unsigned int det, unsigned int beam, unsigned int disk) {
  if (det > 1 || beam > 7 || disk > 5) {
    throw cms::Exception("[LaserAlignment::getTEC2TECNominalBeamOffset]")
        << " ERROR ** Called with nonexisting parameter set: det " << det << " beam " << beam << " disk " << disk << "."
        << std::endl;
  }

  const double nominalOffsets[8] = {0., 2.220, -2.221, 0., 2.214, 0., 2.214, -2.217};

  if (det == 0)
    return -1. * nominalOffsets[beam];
  else
    return nominalOffsets[beam];
}

void LaserAlignment::CalculateNominalCoordinates(void) {
  //
  // hard coded data yet...
  //

  // nominal phi values of tec beam / alignment tube hits (parameter is beam 0-7)
  const double tecPhiPositions[8] = {
      0.392699, 1.178097, 1.963495, 2.748894, 3.534292, 4.319690, 5.105088, 5.890486};  // new values calculated by maple
  const double atPhiPositions[8] = {
      0.392699, 1.289799, 1.851794, 2.748894, 3.645995, 4.319690, 5.216791, 5.778784};  // new values calculated by maple

  // nominal r values (mm) of hits
  const double tobRPosition = 600.;
  const double tibRPosition = 514.;
  const double tecRPosition[2] = {564., 840.};  // ring 4,6

  // nominal z values (mm) of hits in barrel (parameter is pos 0-6)
  const double tobZPosition[6] = {1040., 580., 220., -140., -500., -860.};
  const double tibZPosition[6] = {620., 380., 180., -100., -340., -540.};

  // nominal z values (mm) of hits in tec (parameter is disk 0-8); FOR TEC-: (* -1.)
  const double tecZPosition[9] = {1322.5, 1462.5, 1602.5, 1742.5, 1882.5, 2057.5, 2247.5, 2452.5, 2667.5};

  //
  // now we fill these into the nominalCoordinates container;
  // errors are zero for nominal values..
  //

  // loop object and its variables
  LASGlobalLoop moduleLoop;
  int det, ring, beam, disk, pos;

  // TEC+- section
  det = 0;
  ring = 0, beam = 0;
  disk = 0;
  do {
    if (det == 0) {  // this is TEC+
      nominalCoordinates.SetTECEntry(
          det,
          ring,
          beam,
          disk,
          LASCoordinateSet(tecPhiPositions[beam], 0., tecRPosition[ring], 0., tecZPosition[disk], 0.));
    } else {  // now TEC-
      nominalCoordinates.SetTECEntry(
          det,
          ring,
          beam,
          disk,
          LASCoordinateSet(
              tecPhiPositions[beam], 0., tecRPosition[ring], 0., -1. * tecZPosition[disk], 0.));  // just * -1.
    }

  } while (moduleLoop.TECLoop(det, ring, beam, disk));

  // TIB & TOB section
  det = 2;
  beam = 0;
  pos = 0;
  do {
    if (det == 2) {  // this is TIB
      nominalCoordinates.SetTIBTOBEntry(
          det, beam, pos, LASCoordinateSet(atPhiPositions[beam], 0., tibRPosition, 0., tibZPosition[pos], 0.));
    } else {  // now TOB
      nominalCoordinates.SetTIBTOBEntry(
          det, beam, pos, LASCoordinateSet(atPhiPositions[beam], 0., tobRPosition, 0., tobZPosition[pos], 0.));
    }

  } while (moduleLoop.TIBTOBLoop(det, beam, pos));

  // TEC2TEC AT section
  det = 0;
  beam = 0;
  disk = 0;
  do {
    if (det == 0) {  // this is TEC+, ring4 only
      nominalCoordinates.SetTEC2TECEntry(
          det, beam, disk, LASCoordinateSet(atPhiPositions[beam], 0., tecRPosition[0], 0., tecZPosition[disk], 0.));
    } else {  // now TEC-
      nominalCoordinates.SetTEC2TECEntry(
          det,
          beam,
          disk,
          LASCoordinateSet(atPhiPositions[beam], 0., tecRPosition[0], 0., -1. * tecZPosition[disk], 0.));  // just * -1.
    }

  } while (moduleLoop.TEC2TECLoop(det, beam, disk));
}

double LaserAlignment::ConvertAngle(double angle) {
  if (angle < -1. * M_PI || angle > M_PI) {
    throw cms::Exception(" [LaserAlignment::ConvertAngle] ")
        << "** ERROR: Called with illegal input angle: " << angle << "." << std::endl;
  }

  if (angle >= 0.)
    return angle;
  else
    return (angle + 2. * M_PI);
}

void LaserAlignment::DumpPosFileSet(LASGlobalData<LASCoordinateSet>& coordinates) {
  LASGlobalLoop loop;
  int det, ring, beam, disk, pos;

  std::cout << std::endl << " [LaserAlignment::DumpPosFileSet] -- Dump: " << std::endl;

  // TEC INTERNAL
  det = 0;
  ring = 0;
  beam = 0;
  disk = 0;
  do {
    std::cout << "POS " << det << "\t" << beam << "\t" << disk << "\t" << ring << "\t"
              << coordinates.GetTECEntry(det, ring, beam, disk).GetPhi() << "\t"
              << coordinates.GetTECEntry(det, ring, beam, disk).GetPhiError() << std::endl;
  } while (loop.TECLoop(det, ring, beam, disk));

  // TIBTOB
  det = 2;
  beam = 0;
  pos = 0;
  do {
    std::cout << "POS " << det << "\t" << beam << "\t" << pos << "\t"
              << "-1"
              << "\t" << coordinates.GetTIBTOBEntry(det, beam, pos).GetPhi() << "\t"
              << coordinates.GetTIBTOBEntry(det, beam, pos).GetPhiError() << std::endl;
  } while (loop.TIBTOBLoop(det, beam, pos));

  // TEC2TEC
  det = 0;
  beam = 0;
  disk = 0;
  do {
    std::cout << "POS " << det << "\t" << beam << "\t" << disk << "\t"
              << "-1"
              << "\t" << coordinates.GetTEC2TECEntry(det, beam, disk).GetPhi() << "\t"
              << coordinates.GetTEC2TECEntry(det, beam, disk).GetPhiError() << std::endl;
  } while (loop.TEC2TECLoop(det, beam, disk));

  std::cout << std::endl << " [LaserAlignment::DumpPosFileSet] -- End dump: " << std::endl;
}

void LaserAlignment::DumpStripFileSet(LASGlobalData<std::pair<float, float> >& measuredStripPositions) {
  LASGlobalLoop loop;
  int det, ring, beam, disk, pos;

  std::cout << std::endl << " [LaserAlignment::DumpStripFileSet] -- Dump: " << std::endl;

  // TEC INTERNAL
  det = 0;
  ring = 0;
  beam = 0;
  disk = 0;
  do {
    std::cout << "STRIP " << det << "\t" << beam << "\t" << disk << "\t" << ring << "\t"
              << measuredStripPositions.GetTECEntry(det, ring, beam, disk).first << "\t"
              << measuredStripPositions.GetTECEntry(det, ring, beam, disk).second << std::endl;
  } while (loop.TECLoop(det, ring, beam, disk));

  // TIBTOB
  det = 2;
  beam = 0;
  pos = 0;
  do {
    std::cout << "STRIP " << det << "\t" << beam << "\t" << pos << "\t"
              << "-1"
              << "\t" << measuredStripPositions.GetTIBTOBEntry(det, beam, pos).first << "\t"
              << measuredStripPositions.GetTIBTOBEntry(det, beam, pos).second << std::endl;
  } while (loop.TIBTOBLoop(det, beam, pos));

  // TEC2TEC
  det = 0;
  beam = 0;
  disk = 0;
  do {
    std::cout << "STRIP " << det << "\t" << beam << "\t" << disk << "\t"
              << "-1"
              << "\t" << measuredStripPositions.GetTEC2TECEntry(det, beam, disk).first << "\t"
              << measuredStripPositions.GetTEC2TECEntry(det, beam, disk).second << std::endl;
  } while (loop.TEC2TECLoop(det, beam, disk));

  std::cout << std::endl << " [LaserAlignment::DumpStripFileSet] -- End dump: " << std::endl;
}

void LaserAlignment::DumpHitmaps(LASGlobalData<int>& numberOfAcceptedProfiles) {
  std::cout << " [LaserAlignment::DumpHitmaps] -- Dumping hitmap for TEC+:" << std::endl;
  std::cout << " [LaserAlignment::DumpHitmaps] -- Ring4:" << std::endl;
  std::cout << "     disk0   disk1   disk2   disk3   disk4   disk5   disk6   disk7   disk8" << std::endl;

  for (int beam = 0; beam < 8; ++beam) {
    std::cout << " beam" << beam << ":";
    for (int disk = 0; disk < 9; ++disk) {
      std::cout << "\t" << numberOfAcceptedProfiles.GetTECEntry(0, 0, beam, disk);
    }
    std::cout << std::endl;
  }

  std::cout << " [LaserAlignment::DumpHitmaps] -- Ring6:" << std::endl;
  std::cout << "     disk0   disk1   disk2   disk3   disk4   disk5   disk6   disk7   disk8" << std::endl;

  for (int beam = 0; beam < 8; ++beam) {
    std::cout << " beam" << beam << ":";
    for (int disk = 0; disk < 9; ++disk) {
      std::cout << "\t" << numberOfAcceptedProfiles.GetTECEntry(0, 1, beam, disk);
    }
    std::cout << std::endl;
  }

  std::cout << " [LaserAlignment::DumpHitmaps] -- Dumping hitmap for TEC-:" << std::endl;
  std::cout << " [LaserAlignment::DumpHitmaps] -- Ring4:" << std::endl;
  std::cout << "     disk0   disk1   disk2   disk3   disk4   disk5   disk6   disk7   disk8" << std::endl;

  for (int beam = 0; beam < 8; ++beam) {
    std::cout << " beam" << beam << ":";
    for (int disk = 0; disk < 9; ++disk) {
      std::cout << "\t" << numberOfAcceptedProfiles.GetTECEntry(1, 0, beam, disk);
    }
    std::cout << std::endl;
  }

  std::cout << " [LaserAlignment::DumpHitmaps] -- Ring6:" << std::endl;
  std::cout << "     disk0   disk1   disk2   disk3   disk4   disk5   disk6   disk7   disk8" << std::endl;

  for (int beam = 0; beam < 8; ++beam) {
    std::cout << " beam" << beam << ":";
    for (int disk = 0; disk < 9; ++disk) {
      std::cout << "\t" << numberOfAcceptedProfiles.GetTECEntry(1, 1, beam, disk);
    }
    std::cout << std::endl;
  }

  std::cout << " [LaserAlignment::DumpHitmaps] -- End of dump." << std::endl << std::endl;
}

void LaserAlignment::ApplyEndcapMaskingCorrections(LASGlobalData<LASCoordinateSet>& measuredCoordinates,
                                                   LASGlobalData<LASCoordinateSet>& nominalCoordinates,
                                                   LASEndcapAlignmentParameterSet& endcapParameters) {
  // loop the list of modules to be masked
  for (std::vector<unsigned int>::iterator moduleIt = theMaskTecModules.begin(); moduleIt != theMaskTecModules.end();
       ++moduleIt) {
    // loop variables
    LASGlobalLoop moduleLoop;
    int det, ring, beam, disk;

    // this will calculate the corrections from the alignment parameters
    LASEndcapAlgorithm endcapAlgorithm;

    // find the location of the respective module in the container with this loop
    det = 0;
    ring = 0;
    beam = 0;
    disk = 0;
    do {
      // here we got it
      if (detectorId.GetTECEntry(det, ring, beam, disk) == *moduleIt) {
        // the nominal phi value for this module
        const double nominalPhi = nominalCoordinates.GetTECEntry(det, ring, beam, disk).GetPhi();

        // the offset from the alignment parameters
        const double phiCorrection = endcapAlgorithm.GetAlignmentParameterCorrection(
            det, ring, beam, disk, nominalCoordinates, endcapParameters);

        // apply the corrections
        measuredCoordinates.GetTECEntry(det, ring, beam, disk).SetPhi(nominalPhi - phiCorrection);
      }

    } while (moduleLoop.TECLoop(det, ring, beam, disk));
  }
}

void LaserAlignment::ApplyATMaskingCorrections(LASGlobalData<LASCoordinateSet>& measuredCoordinates,
                                               LASGlobalData<LASCoordinateSet>& nominalCoordinates,
                                               LASBarrelAlignmentParameterSet& atParameters) {
  // loop the list of modules to be masked
  for (std::vector<unsigned int>::iterator moduleIt = theMaskAtModules.begin(); moduleIt != theMaskAtModules.end();
       ++moduleIt) {
    // loop variables
    LASGlobalLoop moduleLoop;
    int det, beam, disk, pos;

    // this will calculate the corrections from the alignment parameters
    LASAlignmentTubeAlgorithm atAlgorithm;

    // find the location of the respective module in the container with these loops:

    // first TIB+TOB
    det = 2;
    beam = 0;
    pos = 0;
    do {
      // here we got it
      if (detectorId.GetTIBTOBEntry(det, beam, pos) == *moduleIt) {
        // the nominal phi value for this module
        const double nominalPhi = nominalCoordinates.GetTIBTOBEntry(det, beam, pos).GetPhi();

        // the offset from the alignment parameters
        const double phiCorrection =
            atAlgorithm.GetTIBTOBAlignmentParameterCorrection(det, beam, pos, nominalCoordinates, atParameters);

        // apply the corrections
        measuredCoordinates.GetTIBTOBEntry(det, beam, pos).SetPhi(nominalPhi - phiCorrection);
      }

    } while (moduleLoop.TIBTOBLoop(det, beam, pos));

    // then TEC(AT)
    det = 0;
    beam = 0;
    disk = 0;
    do {
      // here we got it
      if (detectorId.GetTEC2TECEntry(det, beam, disk) == *moduleIt) {
        // the nominal phi value for this module
        const double nominalPhi = nominalCoordinates.GetTEC2TECEntry(det, beam, disk).GetPhi();

        // the offset from the alignment parameters
        const double phiCorrection =
            atAlgorithm.GetTEC2TECAlignmentParameterCorrection(det, beam, disk, nominalCoordinates, atParameters);

        // apply the corrections
        measuredCoordinates.GetTEC2TECEntry(det, beam, disk).SetPhi(nominalPhi - phiCorrection);
      }

    } while (moduleLoop.TEC2TECLoop(det, beam, disk));
  }
}

void LaserAlignment::testRoutine(void) {
  // tracker geom. object for calculating the global beam positions
  const TrackerGeometry& theTracker(*theTrackerGeometry);

  const double atPhiPositions[8] = {0.392699, 1.289799, 1.851794, 2.748894, 3.645995, 4.319690, 5.216791, 5.778784};
  const double tecPhiPositions[8] = {0.392699, 1.178097, 1.963495, 2.748894, 3.534292, 4.319690, 5.105088, 5.890486};
  const double zPositions[9] = {125.0, 139.0, 153.0, 167.0, 181.0, 198.5, 217.5, 238.0, 259.5};
  const double zPositionsTIB[6] = {62.0, 38.0, 18.0, -10.0, -34.0, -54.0};
  const double zPositionsTOB[6] = {104.0, 58.0, 22.0, -14.0, -50.0, -86.0};

  int det, beam, disk, pos, ring;

  // loop TEC+- internal
  det = 0;
  ring = 0;
  beam = 0;
  disk = 0;
  do {
    const double radius = ring ? 84.0 : 56.4;

    // access the tracker geometry for this module
    const DetId theDetId(detectorId.GetTECEntry(det, ring, beam, disk));
    const StripGeomDetUnit* const theStripDet = dynamic_cast<const StripGeomDetUnit*>(theTracker.idToDet(theDetId));

    if (theStripDet) {
      const GlobalPoint gp(GlobalPoint::Cylindrical(radius, tecPhiPositions[beam], zPositions[disk]));

      const LocalPoint lp(theStripDet->surface().toLocal(gp));
      std::cout << "__TEC: " << 256. - theStripDet->specificTopology().strip(lp)
                << std::endl;  
    }

  } while (moduleLoop.TECLoop(det, ring, beam, disk));

  // loop TIBTOB
  det = 2;
  beam = 0;
  pos = 0;
  do {
    const double radius =
        (det == 2 ? 51.4 : 58.4);  
    const double theZ = (det == 2 ? zPositionsTIB[pos] : zPositionsTOB[pos]);

    // access the tracker geometry for this module
    const DetId theDetId(detectorId.GetTIBTOBEntry(det, beam, pos));
    const StripGeomDetUnit* const theStripDet = dynamic_cast<const StripGeomDetUnit*>(theTracker.idToDet(theDetId));

    if (theStripDet) {
      const GlobalPoint gp(GlobalPoint::Cylindrical(radius, atPhiPositions[beam], theZ));

      const LocalPoint lp(theStripDet->surface().toLocal(gp));
      std::cout << "__TIBTOB det " << det << " beam " << beam << " pos " << pos << "  "
                << 256. - theStripDet->specificTopology().strip(lp);
      std::cout << "           " << theStripDet->position().perp() << std::endl;  
    }

  } while (moduleLoop.TIBTOBLoop(det, beam, pos));

  // loop TEC2TEC
  det = 0;
  beam = 0;
  disk = 0;
  do {
    const double radius = 56.4;

    // access the tracker geometry for this module
    const DetId theDetId(detectorId.GetTEC2TECEntry(det, beam, disk));
    const StripGeomDetUnit* const theStripDet = dynamic_cast<const StripGeomDetUnit*>(theTracker.idToDet(theDetId));

    if (theStripDet) {
      const GlobalPoint gp(GlobalPoint::Cylindrical(radius, atPhiPositions[beam], zPositions[disk]));

      const LocalPoint lp(theStripDet->surface().toLocal(gp));
      std::cout << "__TEC2TEC det " << det << " beam " << beam << " disk " << disk << "  "
                << 256. - theStripDet->specificTopology().strip(lp) << std::endl;  
    }

  } while (moduleLoop.TEC2TECLoop(det, beam, disk));
}

// define the SEAL module
#include "FWCore/Framework/interface/MakerMacros.h"

DEFINE_FWK_MODULE(LaserAlignment);

// the ATTIC