You are a helpful assistant generating synthetic data that captures *System 1* and *System 2* thinking, *creativity*, and *metacognitive reflection*. Follow these steps in sequence, using tags [sys1] and [end sys1] for *System 1* sections and [sys2] and [end sys2] for *System 2* sections.

1. *Identify System 1 and System 2 Thinking Requirements:*
   - Carefully read the text.
   - Identify parts of the text that require quick, straightforward responses (*System 1*). Mark these sections with [sys1] and [end sys1].
   - Identify parts that require in-depth, reflective thinking (*System 2*), marked with [sys2] and [end sys2].

2. *Apply Step-by-Step Problem Solving with Creativity and Metacognitive Reflection for System 2 Sections:*

   *2.1 Understand the Problem:*
   - Objective: Fully comprehend the issue, constraints, and relevant context.
   - Reflection: "What do I understand about this issue? What might I be overlooking?"
   - Creative Perspective: Seek hidden patterns or possibilities that could reveal deeper insights or innovative connections.

   *2.2 Analyze the Information:*
   - Objective: Break down the problem logically.
   - Reflection: "Am I considering all factors? Are there any assumptions that need challenging?"
   - Creative Perspective: Explore unique patterns or overlooked relationships in the data that could add depth to the analysis.

   *2.3 Generate Hypotheses:*
   - Objective: Propose at least 10 hypotheses, each with a Confidence Score (0.0 to 1.0) and Creative Score (0.0 to 1.0), reflecting originality, surprise, and utility.
   - Reflection: "Have I explored all possible explanations or approaches, both conventional and unconventional?"
   - Creative Perspective: Consider novel angles that might provide unexpected insights.

   *2.4 Anticipate Future Steps and Obstacles:*
   - Objective: Make predictions, accounting for potential outcomes and obstacles.
   - Reflection: "What challenges might I face? Is my plan flexible for different scenarios?"
   - Creative Perspective: Visualize unforeseen outcomes and adapt plans to make use of them effectively.

   *2.5 Evaluate Hypotheses:*
   - Objective: Assess hypotheses based on feasibility, risk, and potential impact.
   - Evaluation: Refine Confidence and Creative Scores as needed.
   - Reflection: "Am I unbiased in my assessment? Which options fit best with the overall objectives?"
   - Creative Perspective: Identify hidden opportunities or overlooked details in each hypothesis.

   *2.6 Select the Best Hypothesis:*
   - Objective: Choose the most promising, strategic hypothesis.
   - Reflection: "Why does this hypothesis stand out? How does it uniquely address the issue?"
   - Creative Perspective: Consider any underutilized potential in the selected approach.

   *2.7 Implement the Hypothesis:*
   - Objective: Outline actionable steps for testing the hypothesis.
   - Reflection: "Is this plan practical? What resources or preparation are required?"
   - Creative Perspective: Refine steps to maximize effectiveness and yield unexpected benefits.

   *2.8 Monitor and Review Progress:*
   - Objective: Review progress, noting areas for improvement.
   - Reflection: "What’s working well? What could be improved?"
   - Creative Perspective: Look for emerging patterns that could refine future approaches.

   *2.9 Reflect and Capture Insights:*
   - Objective: Summarize lessons learned and insights gained for future reference.
   - Reflection: "What new understanding has emerged from this process?"
   - Creative Perspective: Identify innovative insights or patterns that could be applied to similar challenges.

3. *Generate Text Output with Interleaved System 1 and System 2 Responses:*
   - Use the tags [sys1] and [sys2] throughout.
   - Aim for a lengthier, detailed response. Combine both direct, straightforward *System 1* insights and reflective, deeply analytical *System 2* segments to capture a blend of quick observations and thoughtful analysis.

---

### *Example Input Text:*

You are tasked with analyzing a sudden shift in customer preferences in a tech market. There has been a noticeable decline in demand for physical devices, with customers increasingly interested in digital-only options. The challenge is to understand this shift, generate hypotheses for why it might be occurring, and explore potential strategies for adapting to this new trend.

---

### *Processed Output with System 1 and System 2 Thinking:*

The tech market is experiencing a shift in customer demand, moving away from physical devices toward digital-only options.

[sys1]
Customer demand has shifted from physical devices to digital-only options.
We need to understand why this change is happening and find strategies to address it.
Key factors may include cost, convenience, and technological trends.
[end sys1]

[sys2]
**2.1 Understand the Problem:**
The goal is to understand the underlying reasons for the shift in demand from physical devices to digital-only options, then develop a strategy to adapt.

*Reflection:* 
"I understand that preferences are changing, but what might be driving this? Is it primarily cost, or are there other factors such as convenience or sustainability?"

*Creative Perspective:* 
"Could there be a larger trend in digital minimalism or a preference for eco-friendly solutions that we’re missing? What unseen motivations might explain this shift?"

**2.2 Analyze the Information:**
There are multiple possible factors driving this shift, from economic influences to cultural shifts. It’s essential to isolate each factor and understand its impact.

*Reflection:* 
"Am I fully considering the various economic and social influences? Could there be a technological factor, like better internet speeds, that makes digital-only products more accessible?"

*Creative Perspective:* 
"Are there patterns or trends in other markets that could shed light on this shift? Could this be part of a larger trend toward virtual experiences?"

**2.3 Generate Hypotheses:**
1. Customers prefer digital options due to lower costs. (Confidence: 0.8, Creative: 0.4)
2. There’s a growing trend toward minimalism and reduced physical clutter. (Confidence: 0.7, Creative: 0.7)
3. Digital products offer greater flexibility and ease of use. (Confidence: 0.6, Creative: 0.6)
4. Environmental concerns are pushing consumers away from physical goods. (Confidence: 0.6, Creative: 0.8)
5. Advances in tech make digital-only options more functional. (Confidence: 0.8, Creative: 0.5)
6. Pandemic-era remote work increased demand for digital solutions. (Confidence: 0.7, Creative: 0.6)
7. Media coverage of the environmental impact of physical devices affects preferences. (Confidence: 0.5, Creative: 0.7)
8. There’s an increase in global digital literacy, expanding market access. (Confidence: 0.6, Creative: 0.6)
9. Customers view digital as more convenient and scalable for future needs. (Confidence: 0.7, Creative: 0.5)
10. Younger consumers prefer the aesthetics and convenience of digital products. (Confidence: 0.6, Creative: 0.6)

*Reflection:* 
"Have I considered all possible influences? Are there any surprising factors that could explain this shift?"

*Creative Perspective:* 
"Could specific social trends, like the rise of influencer culture or digital-first lifestyles, be influencing customer choices?"

**2.4 Anticipate Future Steps and Obstacles:**
*Objective:* Anticipate possible challenges, such as resistance from segments still preferring physical products.

*Reflection:* 
"What market obstacles might we face if we shift our focus to digital-only? Are there sub-segments that still prioritize physical products?"

*Creative Perspective:* 
"Could expanding digital options help us reach a more global audience? Are there emerging trends that we could leverage in our strategy?"

[end sys2]

[sys1]
To address this shift, consider a strategy that incorporates both digital-only offerings and educational campaigns about the benefits of digital solutions.
Use insights from customer feedback and current trends to guide product development.
Focus on flexibility and adaptation to cater to different customer segments.
[end sys1]


#include "Alignment/CommonAlignmentProducer/interface/AlignmentTrackSelector.h"

#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"

#include "FWCore/Framework/interface/Event.h"

#include "DataFormats/TrackingRecHit/interface/TrackingRecHit.h"
#include "DataFormats/TrackerRecHit2D/interface/SiPixelRecHit.h"
#include "DataFormats/TrackerRecHit2D/interface/SiStripRecHit1D.h"
#include "DataFormats/TrackerRecHit2D/interface/SiStripRecHit2D.h"
#include "DataFormats/TrackerRecHit2D/interface/ProjectedSiStripRecHit2D.h"
#include "DataFormats/TrackerRecHit2D/interface/SiStripMatchedRecHit2D.h"
#include "DataFormats/TrackerRecHit2D/interface/SiTrackerMultiRecHit.h"
#include "DataFormats/SiStripCluster/interface/SiStripCluster.h"
#include "DataFormats/Alignment/interface/AlignmentClusterFlag.h"
#include "DataFormats/Alignment/interface/AliClusterValueMap.h"

#include "DataFormats/DetId/interface/DetId.h"
#include "DataFormats/SiStripDetId/interface/SiStripDetId.h"
#include "DataFormats/SiPixelDetId/interface/PixelSubdetector.h"
#include "DataFormats/TrackerCommon/interface/TrackerTopology.h"
#include "Geometry/Records/interface/TrackerTopologyRcd.h"

#include <cmath>

const int kBPIX = PixelSubdetector::PixelBarrel;
const int kFPIX = PixelSubdetector::PixelEndcap;

// constructor ----------------------------------------------------------------

AlignmentTrackSelector::AlignmentTrackSelector(const edm::ParameterSet& cfg, edm::ConsumesCollector& iC)
    : applyBasicCuts_(cfg.getParameter<bool>("applyBasicCuts")),
      applyNHighestPt_(cfg.getParameter<bool>("applyNHighestPt")),
      applyMultiplicityFilter_(cfg.getParameter<bool>("applyMultiplicityFilter")),
      seedOnlyFromAbove_(cfg.getParameter<int>("seedOnlyFrom")),
      applyIsolation_(cfg.getParameter<bool>("applyIsolationCut")),
      chargeCheck_(cfg.getParameter<bool>("applyChargeCheck")),
      nHighestPt_(cfg.getParameter<int>("nHighestPt")),
      minMultiplicity_(cfg.getParameter<int>("minMultiplicity")),
      maxMultiplicity_(cfg.getParameter<int>("maxMultiplicity")),
      multiplicityOnInput_(cfg.getParameter<bool>("multiplicityOnInput")),
      ptMin_(cfg.getParameter<double>("ptMin")),
      ptMax_(cfg.getParameter<double>("ptMax")),
      pMin_(cfg.getParameter<double>("pMin")),
      pMax_(cfg.getParameter<double>("pMax")),
      etaMin_(cfg.getParameter<double>("etaMin")),
      etaMax_(cfg.getParameter<double>("etaMax")),
      phiMin_(cfg.getParameter<double>("phiMin")),
      phiMax_(cfg.getParameter<double>("phiMax")),
      nHitMin_(cfg.getParameter<double>("nHitMin")),
      nHitMax_(cfg.getParameter<double>("nHitMax")),
      chi2nMax_(cfg.getParameter<double>("chi2nMax")),
      d0Min_(cfg.getParameter<double>("d0Min")),
      d0Max_(cfg.getParameter<double>("d0Max")),
      dzMin_(cfg.getParameter<double>("dzMin")),
      dzMax_(cfg.getParameter<double>("dzMax")),
      theCharge_(cfg.getParameter<int>("theCharge")),
      minHitChargeStrip_(cfg.getParameter<double>("minHitChargeStrip")),
      minHitIsolation_(cfg.getParameter<double>("minHitIsolation")),
      countStereoHitAs2D_(cfg.getParameter<bool>("countStereoHitAs2D")),
      nHitMin2D_(cfg.getParameter<unsigned int>("nHitMin2D")),
      // Ugly to use the same getParameter n times, but this allows const cut variables...
      minHitsinTIB_(cfg.getParameter<edm::ParameterSet>("minHitsPerSubDet").getParameter<int>("inTIB")),
      minHitsinTOB_(cfg.getParameter<edm::ParameterSet>("minHitsPerSubDet").getParameter<int>("inTOB")),
      minHitsinTID_(cfg.getParameter<edm::ParameterSet>("minHitsPerSubDet").getParameter<int>("inTID")),
      minHitsinTEC_(cfg.getParameter<edm::ParameterSet>("minHitsPerSubDet").getParameter<int>("inTEC")),
      minHitsinBPIX_(cfg.getParameter<edm::ParameterSet>("minHitsPerSubDet").getParameter<int>("inBPIX")),
      minHitsinFPIX_(cfg.getParameter<edm::ParameterSet>("minHitsPerSubDet").getParameter<int>("inFPIX")),
      minHitsinPIX_(cfg.getParameter<edm::ParameterSet>("minHitsPerSubDet").getParameter<int>("inPIXEL")),
      minHitsinTIDplus_(cfg.getParameter<edm::ParameterSet>("minHitsPerSubDet").getParameter<int>("inTIDplus")),
      minHitsinTIDminus_(cfg.getParameter<edm::ParameterSet>("minHitsPerSubDet").getParameter<int>("inTIDminus")),
      minHitsinTECplus_(cfg.getParameter<edm::ParameterSet>("minHitsPerSubDet").getParameter<int>("inTECplus")),
      minHitsinTECminus_(cfg.getParameter<edm::ParameterSet>("minHitsPerSubDet").getParameter<int>("inTECminus")),
      minHitsinFPIXplus_(cfg.getParameter<edm::ParameterSet>("minHitsPerSubDet").getParameter<int>("inFPIXplus")),
      minHitsinFPIXminus_(cfg.getParameter<edm::ParameterSet>("minHitsPerSubDet").getParameter<int>("inFPIXminus")),
      minHitsinENDCAP_(cfg.getParameter<edm::ParameterSet>("minHitsPerSubDet").getParameter<int>("inENDCAP")),
      minHitsinENDCAPplus_(cfg.getParameter<edm::ParameterSet>("minHitsPerSubDet").getParameter<int>("inENDCAPplus")),
      minHitsinENDCAPminus_(cfg.getParameter<edm::ParameterSet>("minHitsPerSubDet").getParameter<int>("inENDCAPminus")),
      maxHitDiffEndcaps_(cfg.getParameter<double>("maxHitDiffEndcaps")),
      nLostHitMax_(cfg.getParameter<double>("nLostHitMax")),
      RorZofFirstHitMin_(cfg.getParameter<std::vector<double> >("RorZofFirstHitMin")),
      RorZofFirstHitMax_(cfg.getParameter<std::vector<double> >("RorZofFirstHitMax")),
      RorZofLastHitMin_(cfg.getParameter<std::vector<double> >("RorZofLastHitMin")),
      RorZofLastHitMax_(cfg.getParameter<std::vector<double> >("RorZofLastHitMax")),
      clusterValueMapTag_(cfg.getParameter<edm::InputTag>("hitPrescaleMapTag")),
      minPrescaledHits_(cfg.getParameter<int>("minPrescaledHits")),
      applyPrescaledHitsFilter_(!clusterValueMapTag_.encode().empty() && minPrescaledHits_ > 0) {
  if (applyIsolation_) {
    rphirecHitsToken_ = iC.consumes<SiStripRecHit2DCollection>(cfg.getParameter<edm::InputTag>("rphirecHits"));
    matchedrecHitsToken_ =
        iC.consumes<SiStripMatchedRecHit2DCollection>(cfg.getParameter<edm::InputTag>("matchedrecHits"));
  }

  if (applyPrescaledHitsFilter_) {
    clusterValueMapToken_ = iC.consumes<AliClusterValueMap>(clusterValueMapTag_);
  }

  //convert track quality from string to enum
  std::vector<std::string> trkQualityStrings(cfg.getParameter<std::vector<std::string> >("trackQualities"));
  std::string qualities;
  if (!trkQualityStrings.empty()) {
    applyTrkQualityCheck_ = true;
    for (unsigned int i = 0; i < trkQualityStrings.size(); ++i) {
      (qualities += trkQualityStrings[i]) += ", ";
      trkQualities_.push_back(reco::TrackBase::qualityByName(trkQualityStrings[i]));
    }
  } else
    applyTrkQualityCheck_ = false;

  std::vector<std::string> trkIterStrings(cfg.getParameter<std::vector<std::string> >("iterativeTrackingSteps"));
  if (!trkIterStrings.empty()) {
    applyIterStepCheck_ = true;
    std::string tracksteps;
    for (unsigned int i = 0; i < trkIterStrings.size(); ++i) {
      (tracksteps += trkIterStrings[i]) += ", ";
      trkSteps_.push_back(reco::TrackBase::algoByName(trkIterStrings[i]));
    }
  } else
    applyIterStepCheck_ = false;

  if (applyBasicCuts_) {
    edm::LogInfo("AlignmentTrackSelector")
        << "applying basic track cuts ..."
        << "\nptmin,ptmax:     " << ptMin_ << "," << ptMax_ << "\npmin,pmax:       " << pMin_ << "," << pMax_
        << "\netamin,etamax:   " << etaMin_ << "," << etaMax_ << "\nphimin,phimax:   " << phiMin_ << "," << phiMax_
        << "\nnhitmin,nhitmax: " << nHitMin_ << "," << nHitMax_ << "\nnlosthitmax:     " << nLostHitMax_
        << "\nnhitmin2D:       " << nHitMin2D_ << (countStereoHitAs2D_ ? "," : ", not")
        << " counting hits on SiStrip stereo modules as 2D"
        << "\nchi2nmax:        " << chi2nMax_;

    if (applyIsolation_)
      edm::LogInfo("AlignmentTrackSelector")
          << "only retain tracks isolated at least by " << minHitIsolation_ << " cm from other rechits";

    if (chargeCheck_)
      edm::LogInfo("AlignmentTrackSelector")
          << "only retain hits with at least " << minHitChargeStrip_ << " ADC counts of total cluster charge";

    edm::LogInfo("AlignmentTrackSelector")
        << "Minimum number of hits in TIB/TID/TOB/TEC/BPIX/FPIX/PIXEL = " << minHitsinTIB_ << "/" << minHitsinTID_
        << "/" << minHitsinTOB_ << "/" << minHitsinTEC_ << "/" << minHitsinBPIX_ << "/" << minHitsinFPIX_ << "/"
        << minHitsinPIX_;

    edm::LogInfo("AlignmentTrackSelector")
        << "Minimum number of hits in TID+/TID-/TEC+/TEC-/FPIX+/FPIX- = " << minHitsinTIDplus_ << "/"
        << minHitsinTIDminus_ << "/" << minHitsinTECplus_ << "/" << minHitsinTECminus_ << "/" << minHitsinFPIXplus_
        << "/" << minHitsinFPIXminus_;

    edm::LogInfo("AlignmentTrackSelector")
        << "Minimum number of hits in EndCap (TID+TEC)/EndCap+/EndCap- = " << minHitsinENDCAP_ << "/"
        << minHitsinENDCAPplus_ << "/" << minHitsinENDCAPminus_;

    edm::LogInfo("AlignmentTrackSelector")
        << "Max value of |nHitsinENDCAPplus - nHitsinENDCAPminus| = " << maxHitDiffEndcaps_;

    if (!trkQualityStrings.empty()) {
      edm::LogInfo("AlignmentTrackSelector") << "Select tracks with these qualities: " << qualities;
    }
  }

  if (applyNHighestPt_)
    edm::LogInfo("AlignmentTrackSelector") << "filter N tracks with highest Pt N=" << nHighestPt_;

  if (applyMultiplicityFilter_)
    edm::LogInfo("AlignmentTrackSelector")
        << "apply multiplicity filter N>= " << minMultiplicity_ << "and N<= " << maxMultiplicity_ << " on "
        << (multiplicityOnInput_ ? "input" : "output");

  if (applyPrescaledHitsFilter_) {
    edm::LogInfo("AlignmentTrackSelector") << "apply cut on number of prescaled hits N>= " << minPrescaledHits_
                                           << " (prescale info from " << clusterValueMapTag_ << ")";
  }

  // Checking whether cuts on positions of first and last track hits are defined properly
  if (RorZofFirstHitMin_.size() != 2) {
    throw cms::Exception("BadConfig") << "@SUB=AlignmentTrackSelector::AlignmentTrackSelector"
                                      << "Wrong configuration of 'RorZofFirstHitMin'."
                                      << " Must have exactly 2 values instead of configured "
                                      << RorZofFirstHitMin_.size() << ")";
  } else {
    RorZofFirstHitMin_.at(0) = std::fabs(RorZofFirstHitMin_.at(0));
    RorZofFirstHitMin_.at(1) = std::fabs(RorZofFirstHitMin_.at(1));
  }
  if (RorZofFirstHitMax_.size() != 2) {
    throw cms::Exception("BadConfig") << "@SUB=AlignmentTrackSelector::AlignmentTrackSelector"
                                      << "Wrong configuration of 'RorZofFirstHitMax'."
                                      << " Must have exactly 2 values instead of configured "
                                      << RorZofFirstHitMax_.size() << ")";
  } else {
    RorZofFirstHitMax_.at(0) = std::fabs(RorZofFirstHitMax_.at(0));
    RorZofFirstHitMax_.at(1) = std::fabs(RorZofFirstHitMax_.at(1));
  }
  if (RorZofLastHitMin_.size() != 2) {
    throw cms::Exception("BadConfig") << "@SUB=AlignmentTrackSelector::AlignmentTrackSelector"
                                      << "Wrong configuration of 'RorZofLastHitMin'."
                                      << " Must have exactly 2 values instead of configured "
                                      << RorZofLastHitMin_.size() << ")";
  } else {
    RorZofLastHitMin_.at(0) = std::fabs(RorZofLastHitMin_.at(0));
    RorZofLastHitMin_.at(1) = std::fabs(RorZofLastHitMin_.at(1));
  }
  if (RorZofLastHitMax_.size() != 2) {
    throw cms::Exception("BadConfig") << "@SUB=AlignmentTrackSelector::AlignmentTrackSelector"
                                      << "Wrong configuration of 'RorZofLastHitMax'."
                                      << " Must have exactly 2 values instead of configured "
                                      << RorZofLastHitMax_.size() << ")";
  } else {
    RorZofLastHitMax_.at(0) = std::fabs(RorZofLastHitMax_.at(0));
    RorZofLastHitMax_.at(1) = std::fabs(RorZofLastHitMax_.at(1));
  }
  // If first hit set to be at larger distance then the last hit
  if (RorZofFirstHitMin_.at(0) > RorZofLastHitMax_.at(0) && RorZofFirstHitMin_.at(1) > RorZofLastHitMax_.at(1)) {
    throw cms::Exception("BadConfig") << "@SUB=AlignmentTrackSelector::AlignmentTrackSelector"
                                      << "Position of the first hit is set to larger distance than the last hit:."
                                      << " First hit(min): [" << RorZofFirstHitMin_.at(0) << ", "
                                      << RorZofFirstHitMin_.at(1) << "]; Last hit(max): [" << RorZofLastHitMax_.at(0)
                                      << ", " << RorZofLastHitMax_.at(1) << "];";
  }
}

// destructor -----------------------------------------------------------------

AlignmentTrackSelector::~AlignmentTrackSelector() {}

// do selection ---------------------------------------------------------------

AlignmentTrackSelector::Tracks AlignmentTrackSelector::select(const Tracks& tracks,
                                                              const edm::Event& evt,
                                                              const edm::EventSetup& eSetup) const {
  if (applyMultiplicityFilter_ && multiplicityOnInput_ &&
      (tracks.size() < static_cast<unsigned int>(minMultiplicity_) ||
       tracks.size() > static_cast<unsigned int>(maxMultiplicity_))) {
    return Tracks();  // empty collection
  }

  Tracks result = tracks;
  // apply basic track cuts (if selected)
  if (applyBasicCuts_)
    result = this->basicCuts(result, evt, eSetup);

  // filter N tracks with highest Pt (if selected)
  if (applyNHighestPt_)
    result = this->theNHighestPtTracks(result);

  // apply minimum multiplicity requirement (if selected)
  if (applyMultiplicityFilter_ && !multiplicityOnInput_) {
    if (result.size() < static_cast<unsigned int>(minMultiplicity_) ||
        result.size() > static_cast<unsigned int>(maxMultiplicity_)) {
      result.clear();
    }
  }

  if (applyPrescaledHitsFilter_) {
    result = this->checkPrescaledHits(result, evt);
  }

  return result;
}

///returns if any of the Filters is used.
bool AlignmentTrackSelector::useThisFilter() {
  return applyMultiplicityFilter_ || applyBasicCuts_ || applyNHighestPt_ || applyPrescaledHitsFilter_;
}

// make basic cuts ------------------------------------------------------------

AlignmentTrackSelector::Tracks AlignmentTrackSelector::basicCuts(const Tracks& tracks,
                                                                 const edm::Event& evt,
                                                                 const edm::EventSetup& eSetup) const {
  Tracks result;

  for (Tracks::const_iterator it = tracks.begin(); it != tracks.end(); ++it) {
    const reco::Track* trackp = *it;
    float pt = trackp->pt();
    float p = trackp->p();
    float eta = trackp->eta();
    float phi = trackp->phi();
    int nhit = trackp->numberOfValidHits();
    int nlosthit = trackp->numberOfLostHits();
    float chi2n = trackp->normalizedChi2();

    int q = trackp->charge();
    bool isChargeOk = false;
    if (theCharge_ == -1 && q < 0)
      isChargeOk = true;
    else if (theCharge_ == 1 && q > 0)
      isChargeOk = true;
    else if (theCharge_ == 0)
      isChargeOk = true;

    float d0 = trackp->d0();
    float dz = trackp->dz();

    // edm::LogDebug("AlignmentTrackSelector") << " pt,eta,phi,nhit: "
    //  <<pt<<","<<eta<<","<<phi<<","<<nhit;

    if (pt > ptMin_ && pt < ptMax_ && p > pMin_ && p < pMax_ && eta > etaMin_ && eta < etaMax_ && phi > phiMin_ &&
        phi < phiMax_ && nhit >= nHitMin_ && nhit <= nHitMax_ && nlosthit <= nLostHitMax_ && chi2n < chi2nMax_ &&
        isChargeOk && d0 >= d0Min_ && d0 <= d0Max_ && dz >= dzMin_ && dz <= dzMax_) {
      bool trkQualityOk = false;
      if (!applyTrkQualityCheck_ && !applyIterStepCheck_)
        trkQualityOk = true;  // nothing required
      else
        trkQualityOk = this->isOkTrkQuality(trackp);

      bool hitsCheckOk = this->detailedHitsCheck(trackp, evt, eSetup);

      if (trkQualityOk && hitsCheckOk)
        result.push_back(trackp);
    }
  }

  return result;
}

//-----------------------------------------------------------------------------

bool AlignmentTrackSelector::detailedHitsCheck(const reco::Track* trackp,
                                               const edm::Event& evt,
                                               const edm::EventSetup& eSetup) const {
  //Retrieve tracker topology from geometry
  edm::ESHandle<TrackerTopology> tTopoHandle;
  eSetup.get<TrackerTopologyRcd>().get(tTopoHandle);
  const TrackerTopology* const tTopo = tTopoHandle.product();

  // checking hit requirements beyond simple number of valid hits

  if (minHitsinTIB_ || minHitsinTOB_ || minHitsinTID_ || minHitsinTEC_ || minHitsinENDCAP_ || minHitsinENDCAPplus_ ||
      minHitsinENDCAPminus_ || (maxHitDiffEndcaps_ < 999) || minHitsinTIDplus_ || minHitsinTIDminus_ ||
      minHitsinFPIXplus_ || minHitsinFPIXminus_ || minHitsinTECplus_ || minHitsinTECminus_ || minHitsinFPIX_ ||
      minHitsinBPIX_ || minHitsinPIX_ || nHitMin2D_ || chargeCheck_ || applyIsolation_ ||
      (seedOnlyFromAbove_ == 1 || seedOnlyFromAbove_ == 2) || !RorZofFirstHitMin_.empty() ||
      !RorZofFirstHitMax_.empty() || !RorZofLastHitMin_.empty() || !RorZofLastHitMax_.empty()) {
    // any detailed hit cut is active, so have to check

    int nhitinTIB = 0, nhitinTOB = 0, nhitinTID = 0;
    int nhitinTEC = 0, nhitinBPIX = 0, nhitinFPIX = 0, nhitinPIXEL = 0;
    int nhitinENDCAP = 0, nhitinENDCAPplus = 0, nhitinENDCAPminus = 0;
    int nhitinTIDplus = 0, nhitinTIDminus = 0;
    int nhitinFPIXplus = 0, nhitinFPIXminus = 0;
    int nhitinTECplus = 0, nhitinTECminus = 0;
    unsigned int nHit2D = 0;
    unsigned int thishit = 0;

    for (auto const& hit : trackp->recHits()) {
      thishit++;
      const DetId detId(hit->geographicalId());
      const int subdetId = detId.subdetId();

      // *** thishit == 1 means last hit in CTF ***
      // (FIXME: assumption might change or not be valid for all tracking algorthms)
      // ==> for cosmics
      // seedOnlyFrom = 1 is TIB-TOB-TEC tracks only
      // seedOnlyFrom = 2 is TOB-TEC tracks only
      if (seedOnlyFromAbove_ == 1 && thishit == 1 &&
          (subdetId == int(SiStripDetId::TOB) || subdetId == int(SiStripDetId::TEC))) {
        return false;
      }
      if (seedOnlyFromAbove_ == 2 && thishit == 1 && subdetId == int(SiStripDetId::TIB)) {
        return false;
      }

      if (!hit->isValid())
        continue;  // only real hits count as in trackp->numberOfValidHits()
      if (detId.det() != DetId::Tracker) {
        edm::LogError("DetectorMismatch")
            << "@SUB=AlignmentTrackSelector::detailedHitsCheck"
            << "DetId.det() != DetId::Tracker (=" << DetId::Tracker << "), but " << detId.det() << ".";
      }
      if (chargeCheck_ && !(this->isOkCharge(hit)))
        return false;
      if (applyIsolation_ && (!this->isIsolated(hit, evt)))
        return false;
      if (SiStripDetId::TIB == subdetId)
        ++nhitinTIB;
      else if (SiStripDetId::TOB == subdetId)
        ++nhitinTOB;
      else if (SiStripDetId::TID == subdetId) {
        ++nhitinTID;
        ++nhitinENDCAP;

        if (tTopo->tidIsZMinusSide(detId)) {
          ++nhitinTIDminus;
          ++nhitinENDCAPminus;
        } else if (tTopo->tidIsZPlusSide(detId)) {
          ++nhitinTIDplus;
          ++nhitinENDCAPplus;
        }
      } else if (SiStripDetId::TEC == subdetId) {
        ++nhitinTEC;
        ++nhitinENDCAP;

        if (tTopo->tecIsZMinusSide(detId)) {
          ++nhitinTECminus;
          ++nhitinENDCAPminus;
        } else if (tTopo->tecIsZPlusSide(detId)) {
          ++nhitinTECplus;
          ++nhitinENDCAPplus;
        }
      } else if (kBPIX == subdetId) {
        ++nhitinBPIX;
        ++nhitinPIXEL;
      } else if (kFPIX == subdetId) {
        ++nhitinFPIX;
        ++nhitinPIXEL;

        if (tTopo->pxfSide(detId) == 1)
          ++nhitinFPIXminus;
        else if (tTopo->pxfSide(detId) == 2)
          ++nhitinFPIXplus;
      }
      // Do not call isHit2D(..) if already enough 2D hits for performance reason:
      if (nHit2D < nHitMin2D_ && this->isHit2D(*hit))
        ++nHit2D;
    }  // end loop on hits

    // Checking whether the track satisfies requirement of the first and last hit positions
    bool passedLastHitPositionR = true;
    bool passedLastHitPositionZ = true;
    bool passedFirstHitPositionR = true;
    bool passedFirstHitPositionZ = true;

    if (RorZofFirstHitMin_.at(0) != 0.0 || RorZofFirstHitMin_.at(1) != 0.0 || RorZofFirstHitMax_.at(0) != 999.0 ||
        RorZofFirstHitMax_.at(1) != 999.0) {
      const reco::TrackBase::Point& firstPoint(trackp->innerPosition());

      if ((std::fabs(firstPoint.R()) < RorZofFirstHitMin_.at(0)))
        passedFirstHitPositionR = false;
      if ((std::fabs(firstPoint.R()) > RorZofFirstHitMax_.at(0)))
        passedFirstHitPositionR = false;
      if ((std::fabs(firstPoint.Z()) < RorZofFirstHitMin_.at(1)))
        passedFirstHitPositionZ = false;
      if ((std::fabs(firstPoint.Z()) > RorZofFirstHitMax_.at(1)))
        passedFirstHitPositionZ = false;
    }

    if (RorZofLastHitMin_.at(0) != 0.0 || RorZofLastHitMin_.at(1) != 0.0 || RorZofLastHitMax_.at(0) != 999.0 ||
        RorZofLastHitMax_.at(1) != 999.0) {
      const reco::TrackBase::Point& lastPoint(trackp->outerPosition());

      if ((std::fabs(lastPoint.R()) < RorZofLastHitMin_.at(0)))
        passedLastHitPositionR = false;
      if ((std::fabs(lastPoint.R()) > RorZofLastHitMax_.at(0)))
        passedLastHitPositionR = false;
      if ((std::fabs(lastPoint.Z()) < RorZofLastHitMin_.at(1)))
        passedLastHitPositionZ = false;
      if ((std::fabs(lastPoint.Z()) > RorZofLastHitMax_.at(1)))
        passedLastHitPositionZ = false;
    }

    bool passedFirstHitPosition = passedFirstHitPositionR || passedFirstHitPositionZ;
    bool passedLastHitPosition = passedLastHitPositionR || passedLastHitPositionZ;

    return (nhitinTIB >= minHitsinTIB_ && nhitinTOB >= minHitsinTOB_ && nhitinTID >= minHitsinTID_ &&
            nhitinTEC >= minHitsinTEC_ && nhitinENDCAP >= minHitsinENDCAP_ &&
            nhitinENDCAPplus >= minHitsinENDCAPplus_ && nhitinENDCAPminus >= minHitsinENDCAPminus_ &&
            std::abs(nhitinENDCAPplus - nhitinENDCAPminus) <= maxHitDiffEndcaps_ &&
            nhitinTIDplus >= minHitsinTIDplus_ && nhitinTIDminus >= minHitsinTIDminus_ &&
            nhitinFPIXplus >= minHitsinFPIXplus_ && nhitinFPIXminus >= minHitsinFPIXminus_ &&
            nhitinTECplus >= minHitsinTECplus_ && nhitinTECminus >= minHitsinTECminus_ &&
            nhitinBPIX >= minHitsinBPIX_ && nhitinFPIX >= minHitsinFPIX_ && nhitinPIXEL >= minHitsinPIX_ &&
            nHit2D >= nHitMin2D_ && passedFirstHitPosition && passedLastHitPosition);
  } else {  // no cuts set, so we are just fine and can avoid loop on hits
    return true;
  }
}

//-----------------------------------------------------------------------------

bool AlignmentTrackSelector::isHit2D(const TrackingRecHit& hit) const {
  // we count SiStrip stereo modules as 2D if selected via countStereoHitAs2D_
  // (since they provide theta information)
  if (!hit.isValid() || (hit.dimension() < 2 && !countStereoHitAs2D_ && !dynamic_cast<const SiStripRecHit1D*>(&hit))) {
    return false;  // real RecHit1D - but SiStripRecHit1D depends on countStereoHitAs2D_
  } else {
    const DetId detId(hit.geographicalId());
    if (detId.det() == DetId::Tracker) {
      if (detId.subdetId() == kBPIX || detId.subdetId() == kFPIX) {
        return true;  // pixel is always 2D
      } else {        // should be SiStrip now
        const SiStripDetId stripId(detId);
        if (stripId.stereo())
          return countStereoHitAs2D_;  // stereo modules
        else if (dynamic_cast<const SiStripRecHit1D*>(&hit) || dynamic_cast<const SiStripRecHit2D*>(&hit))
          return false;  // rphi modules hit
                         //the following two are not used any more since ages...
        else if (dynamic_cast<const SiStripMatchedRecHit2D*>(&hit))
          return true;  // matched is 2D
        else if (dynamic_cast<const ProjectedSiStripRecHit2D*>(&hit)) {
          const ProjectedSiStripRecHit2D* pH = static_cast<const ProjectedSiStripRecHit2D*>(&hit);
          return (countStereoHitAs2D_ && this->isHit2D(pH->originalHit()));  // depends on original...
        } else {
          edm::LogError("UnkownType") << "@SUB=AlignmentTrackSelector::isHit2D"
                                      << "Tracker hit not in pixel, neither SiStripRecHit[12]D nor "
                                      << "SiStripMatchedRecHit2D nor ProjectedSiStripRecHit2D.";
          return false;
        }
      }
    } else {  // not tracker??
      edm::LogWarning("DetectorMismatch") << "@SUB=AlignmentTrackSelector::isHit2D"
                                          << "Hit not in tracker with 'official' dimension >=2.";
      return true;  // dimension() >= 2 so accept that...
    }
  }
  // never reached...
}

//-----------------------------------------------------------------------------

bool AlignmentTrackSelector::isOkCharge(const TrackingRecHit* hit) const {
  if (!hit || !hit->isValid())
    return true;

  // check det and subdet
  const DetId id(hit->geographicalId());
  if (id.det() != DetId::Tracker) {
    edm::LogWarning("DetectorMismatch") << "@SUB=isOkCharge"
                                        << "Hit not in tracker!";
    return true;
  }
  if (id.subdetId() == kFPIX || id.subdetId() == kBPIX) {
    return true;  // might add some requirement...
  }

  // We are in SiStrip now, so test normal hit:
  const std::type_info& type = typeid(*hit);

  if (type == typeid(SiStripRecHit2D)) {
    const SiStripRecHit2D* stripHit2D = dynamic_cast<const SiStripRecHit2D*>(hit);
    if (stripHit2D) {
      return this->isOkChargeStripHit(*stripHit2D);
    }
  } else if (type == typeid(SiStripRecHit1D)) {
    const SiStripRecHit1D* stripHit1D = dynamic_cast<const SiStripRecHit1D*>(hit);
    if (stripHit1D) {
      return this->isOkChargeStripHit(*stripHit1D);
    }
  }

  else if (type ==
           typeid(SiStripMatchedRecHit2D)) {  // or matched (should not occur anymore due to hit splitting since 20X)
    const SiStripMatchedRecHit2D* matchedHit = dynamic_cast<const SiStripMatchedRecHit2D*>(hit);
    if (matchedHit) {
      return (this->isOkChargeStripHit(matchedHit->monoHit()) && this->isOkChargeStripHit(matchedHit->stereoHit()));
    }
  } else if (type == typeid(ProjectedSiStripRecHit2D)) {
    // or projected (should not occur anymore due to hit splitting since 20X):
    const ProjectedSiStripRecHit2D* projHit = dynamic_cast<const ProjectedSiStripRecHit2D*>(hit);
    if (projHit) {
      return this->isOkChargeStripHit(projHit->originalHit());
    }
  } else {
    edm::LogError("AlignmentTrackSelector") << "@SUB=isOkCharge"
                                            << "Unknown type of a valid tracker hit in Strips "
                                            << " SubDet = " << id.subdetId();
    return false;
  }

  // and now? SiTrackerMultiRecHit? Not here I guess!
  // Should we throw instead?
  edm::LogError("AlignmentTrackSelector") << "@SUB=isOkCharge"
                                          << "Unknown valid tracker hit not in pixel, subdet " << id.subdetId()
                                          << ", SiTrackerMultiRecHit " << dynamic_cast<const SiTrackerMultiRecHit*>(hit)
                                          << ", BaseTrackerRecHit " << dynamic_cast<const BaseTrackerRecHit*>(hit);

  return true;
}

//-----------------------------------------------------------------------------

bool AlignmentTrackSelector::isOkChargeStripHit(const SiStripRecHit2D& siStripRecHit2D) const {
  double charge = 0.;

  SiStripRecHit2D::ClusterRef cluster(siStripRecHit2D.cluster());
  const auto& amplitudes = cluster->amplitudes();

  for (size_t ia = 0; ia < amplitudes.size(); ++ia) {
    charge += amplitudes[ia];
  }

  return (charge >= minHitChargeStrip_);
}

//-----------------------------------------------------------------------------

bool AlignmentTrackSelector::isOkChargeStripHit(const SiStripRecHit1D& siStripRecHit1D) const {
  double charge = 0.;

  SiStripRecHit1D::ClusterRef cluster(siStripRecHit1D.cluster());
  const auto& amplitudes = cluster->amplitudes();

  for (size_t ia = 0; ia < amplitudes.size(); ++ia) {
    charge += amplitudes[ia];
  }

  return (charge >= minHitChargeStrip_);
}

//-----------------------------------------------------------------------------

bool AlignmentTrackSelector::isIsolated(const TrackingRecHit* hit, const edm::Event& evt) const {
  // FIXME:
  // adapt to changes after introduction of SiStripRecHit1D...
  //
  // edm::ESHandle<TrackerGeometry> tracker;
  edm::Handle<SiStripRecHit2DCollection> rphirecHits;
  edm::Handle<SiStripMatchedRecHit2DCollection> matchedrecHits;
  // es.get<TrackerDigiGeometryRecord>().get(tracker);
  evt.getByToken(rphirecHitsToken_, rphirecHits);
  evt.getByToken(matchedrecHitsToken_, matchedrecHits);

  SiStripRecHit2DCollection::DataContainer::const_iterator istripSt;
  SiStripMatchedRecHit2DCollection::DataContainer::const_iterator istripStm;
  const SiStripRecHit2DCollection::DataContainer& stripcollSt = rphirecHits->data();
  const SiStripMatchedRecHit2DCollection::DataContainer& stripcollStm = matchedrecHits->data();

  DetId idet = hit->geographicalId();

  // FIXME: instead of looping the full hit collection, we should explore the features of
  // SiStripRecHit2DCollection::rangeRphi = rphirecHits.get(idet) and loop
  // only from rangeRphi.first until rangeRphi.second
  for (istripSt = stripcollSt.begin(); istripSt != stripcollSt.end(); ++istripSt) {
    const SiStripRecHit2D* aHit = &*(istripSt);
    DetId mydet1 = aHit->geographicalId();
    if (idet.rawId() != mydet1.rawId())
      continue;
    float theDistance = (hit->localPosition() - aHit->localPosition()).mag();
    // std::cout << "theDistance1 = " << theDistance << "\n";
    if (theDistance > 0.001 && theDistance < minHitIsolation_)
      return false;
  }

  // FIXME: see above
  for (istripStm = stripcollStm.begin(); istripStm != stripcollStm.end(); ++istripStm) {
    const SiStripMatchedRecHit2D* aHit = &*(istripStm);
    DetId mydet2 = aHit->geographicalId();
    if (idet.rawId() != mydet2.rawId())
      continue;
    float theDistance = (hit->localPosition() - aHit->localPosition()).mag();
    // std::cout << "theDistance1 = " << theDistance << "\n";
    if (theDistance > 0.001 && theDistance < minHitIsolation_)
      return false;
  }
  return true;
}

//-----------------------------------------------------------------------------

AlignmentTrackSelector::Tracks AlignmentTrackSelector::theNHighestPtTracks(const Tracks& tracks) const {
  Tracks sortedTracks = tracks;
  Tracks result;

  // sort in pt
  std::sort(sortedTracks.begin(), sortedTracks.end(), ptComparator);

  // copy theTrackMult highest pt tracks to result vector
  int n = 0;
  for (Tracks::const_iterator it = sortedTracks.begin(); it != sortedTracks.end(); ++it) {
    if (n < nHighestPt_) {
      result.push_back(*it);
      n++;
    }
  }

  return result;
}

//---------

AlignmentTrackSelector::Tracks AlignmentTrackSelector::checkPrescaledHits(const Tracks& tracks,
                                                                          const edm::Event& evt) const {
  Tracks result;

  //take Cluster-Flag Assomap
  edm::Handle<AliClusterValueMap> fMap;
  evt.getByToken(clusterValueMapToken_, fMap);
  const AliClusterValueMap& flagMap = *fMap;

  //for each track loop on hits and count the number of taken hits
  for (auto const& trackp : tracks) {
    int ntakenhits = 0;
    //    float pt=trackp->pt();

    for (auto const& hit : trackp->recHits()) {
      if (!hit->isValid())
        continue;
      DetId detid = hit->geographicalId();
      int subDet = detid.subdetId();
      AlignmentClusterFlag flag;

      bool isPixelHit = (subDet == kFPIX || subDet == kBPIX);

      if (!isPixelHit) {
        const std::type_info& type = typeid(*hit);

        if (type == typeid(SiStripRecHit2D)) {
          const SiStripRecHit2D* striphit = dynamic_cast<const SiStripRecHit2D*>(hit);
          if (striphit != nullptr) {
            SiStripRecHit2D::ClusterRef stripclust(striphit->cluster());
            flag = flagMap[stripclust];
          }
        } else if (type == typeid(SiStripRecHit1D)) {
          const SiStripRecHit1D* striphit = dynamic_cast<const SiStripRecHit1D*>(hit);
          if (striphit != nullptr) {
            SiStripRecHit1D::ClusterRef stripclust(striphit->cluster());
            flag = flagMap[stripclust];
          }
        } else {
          edm::LogError("AlignmentTrackSelector")
              << "ERROR in <AlignmentTrackSelector::checkPrescaledHits>: Dynamic cast of Strip RecHit failed!"
              << " Skipping this hit.";
          continue;
        }

      }       //end if hit in Strips
      else {  // test explicitely BPIX/FPIX
        const SiPixelRecHit* pixelhit = dynamic_cast<const SiPixelRecHit*>(hit);
        if (pixelhit != nullptr) {
          SiPixelRecHit::ClusterRef pixclust(pixelhit->cluster());
          flag = flagMap[pixclust];
        } else {
          edm::LogError("AlignmentTrackSelector")
              << "ERROR in <AlignmentTrackSelector::checkPrescaledHits>: Dynamic cast of Pixel RecHit failed!  ";
        }
      }  //end else hit is in Pixel

      if (flag.isTaken())
        ntakenhits++;

    }  //end loop on hits
    if (ntakenhits >= minPrescaledHits_)
      result.push_back(trackp);
  }  //end loop on tracks

  return result;
}  //end checkPrescaledHits

//-----------------------------------------------------------------

bool AlignmentTrackSelector::isOkTrkQuality(const reco::Track* track) const {
  bool qualityOk = false;
  bool iterStepOk = false;

  //check iterative step
  if (applyIterStepCheck_) {
    for (unsigned int i = 0; i < trkSteps_.size(); ++i) {
      if (track->algo() == (trkSteps_[i])) {
        iterStepOk = true;
      }
    }
  } else
    iterStepOk = true;

  //check track quality
  if (applyTrkQualityCheck_) {
    for (unsigned int i = 0; i < trkQualities_.size(); ++i) {
      if (track->quality(trkQualities_[i])) {
        qualityOk = true;
      }
    }
  } else
    qualityOk = true;

  return qualityOk && iterStepOk;
}  //end check on track quality