MkFitGeometry Class Reference

#include <MkFitGeometry.h>

Public Member Functions
const std::vector< const DetLayer * > &	detLayers () const
mkfit::IterationsInfo const &	iterationsInfo () const
mkfit::LayerNumberConverter const &	layerNumberConverter () const
	MkFitGeometry (const TrackerGeometry &geom, const GeometricSearchTracker &tracker, const TrackerTopology &ttopo, std::unique_ptr< mkfit::TrackerInfo > trackerInfo, std::unique_ptr< mkfit::IterationsInfo > iterationsInfo)
int	mkFitLayerNumber (DetId detId) const
const TrackerTopology *	topology () const
mkfit::TrackerInfo const &	trackerInfo () const
unsigned int	uniqueIdInLayer (int layer, unsigned int detId) const
	~MkFitGeometry ()

Private Attributes
std::vector< std::unordered_map< unsigned int, unsigned int > >	detIdToShortId_
std::vector< const DetLayer * >	dets_
std::unique_ptr< mkfit::IterationsInfo >	iterationsInfo_
std::unique_ptr< mkfit::LayerNumberConverter >	lnc_
std::unique_ptr< mkfit::TrackerInfo >	trackerInfo_
const TrackerTopology *	ttopo_

Detailed Description

Collection of geometry-related objects for mkFit

Definition at line 24 of file MkFitGeometry.h.

Constructor & Destructor Documentation

MkFitGeometry()

MkFitGeometry::MkFitGeometry ( const TrackerGeometry &  geom, const GeometricSearchTracker &  tracker, const TrackerTopology &  ttopo, std::unique_ptr< mkfit::TrackerInfo >  trackerInfo, std::unique_ptr< mkfit::IterationsInfo >  iterationsInfo  )

explicit

Definition at line 18 of file MkFitGeometry.cc.

    : ttopo_(&ttopo),
      lnc_{std::make_unique<mkfit::LayerNumberConverter>(mkfit::TkLayout::phase1)},
      trackerInfo_(std::move(trackerInfo)),
      iterationsInfo_(std::move(iterationsInfo)) {
  if (geom.numberOfLayers(PixelSubdetector::PixelBarrel) != 4 ||
      geom.numberOfLayers(PixelSubdetector::PixelEndcap) != 3) {
    throw cms::Exception("Assert") << "For now this code works only with phase1 tracker, you have something else";
  }
 
  // Create DetLayer structure
  dets_.resize(lnc_->nLayers(), nullptr);
  auto setDet = [this](const int subdet, const int layer, const int isStereo, const DetId& detId, const DetLayer* lay) {
    const int index = lnc_->convertLayerNumber(subdet, layer, false, isStereo, isPlusSide(*ttopo_, detId));
    if (index < 0 or static_cast<unsigned>(index) >= dets_.size()) {
      throw cms::Exception("LogicError") << "Invalid mkFit layer index " << index << " for DetId " << detId.rawId()
                                         << " subdet " << subdet << " layer " << layer << " isStereo " << isStereo;
    }
    dets_[index] = lay;
  };
  constexpr int monoLayer = 0;
  constexpr int stereoLayer = 1;
  for (const DetLayer* lay : tracker.allLayers()) {
    const auto& comp = lay->basicComponents();
    if (UNLIKELY(comp.empty())) {
      throw cms::Exception("LogicError") << "Got a tracker layer (subdet " << lay->subDetector()
                                         << ") with empty basicComponents.";
    }
    // First component is enough for layer and side information
    const auto& detId = comp.front()->geographicalId();
    const auto subdet = detId.subdetId();
    const auto layer = ttopo.layer(detId);
 
    // TODO: mono/stereo structure is still hardcoded for phase0/1 strip tracker
    setDet(subdet, layer, monoLayer, detId, lay);
    if (((subdet == StripSubdetector::TIB or subdet == StripSubdetector::TOB) and (layer == 1 or layer == 2)) or
        subdet == StripSubdetector::TID or subdet == StripSubdetector::TEC) {
      setDet(subdet, layer, stereoLayer, detId, lay);
    }
  }
 
  // Create "short id" aka "unique id within layer"
  detIdToShortId_.resize(lnc_->nLayers());
  for (const auto& detId : geom.detIds()) {
    const auto ilay = mkFitLayerNumber(detId);
    auto& map = detIdToShortId_[ilay];
    const unsigned int ind = map.size();
    // Make sure the short id fits in the 12 bits...
    assert(ind < (int)1 << 11);
    map[detId.rawId()] = ind;
  }
}

References PVValHelper::phase1.

~MkFitGeometry()

MkFitGeometry::~MkFitGeometry

(

)

Definition at line 77 of file MkFitGeometry.cc.

{}

Member Function Documentation

detLayers()

const std::vector<const DetLayer*>& MkFitGeometry::detLayers ( ) const

inline

Definition at line 37 of file MkFitGeometry.h.

{ return dets_; }

References dets_.

iterationsInfo()

mkfit::IterationsInfo const& MkFitGeometry::iterationsInfo ( ) const

inline

Definition at line 36 of file MkFitGeometry.h.

{ return *iterationsInfo_; }

References iterationsInfo_.

layerNumberConverter()

mkfit::LayerNumberConverter const& MkFitGeometry::layerNumberConverter ( ) const

inline

Definition at line 34 of file MkFitGeometry.h.

{ return *lnc_; }

References lnc_.

Referenced by MkFitSeedConverter::convertSeeds().

mkFitLayerNumber()

int MkFitGeometry::mkFitLayerNumber

(

DetId

detId

)

const

Definition at line 79 of file MkFitGeometry.cc.

                                                     {
  return lnc_->convertLayerNumber(
      detId.subdetId(), ttopo_->layer(detId), false, ttopo_->isStereo(detId), isPlusSide(*ttopo_, detId));
}

References TrackerTopology::isStereo(), TrackerTopology::layer(), lnc_, DetId::subdetId(), and ttopo_.

Referenced by mkfit::convertHits(), and MkFitEventOfHitsProducer::fill().

topology()

const TrackerTopology* MkFitGeometry::topology ( ) const

inline

Definition at line 39 of file MkFitGeometry.h.

{ return ttopo_; }

References ttopo_.

trackerInfo()

mkfit::TrackerInfo const& MkFitGeometry::trackerInfo ( ) const

inline

Definition at line 35 of file MkFitGeometry.h.

{ return *trackerInfo_; }

References trackerInfo_.

uniqueIdInLayer()

unsigned int MkFitGeometry::uniqueIdInLayer ( int  layer, unsigned int  detId  ) const

inline

Definition at line 38 of file MkFitGeometry.h.

{ return detIdToShortId_.at(layer).at(detId); }

References detIdToShortId_, and phase1PixelTopology::layer.

Referenced by mkfit::convertHits().

Member Data Documentation

detIdToShortId_

std::vector<std::unordered_map<unsigned int, unsigned int> > MkFitGeometry::detIdToShortId_

private

Definition at line 47 of file MkFitGeometry.h.

Referenced by uniqueIdInLayer().

dets_

std::vector<const DetLayer*> MkFitGeometry::dets_

private

Definition at line 46 of file MkFitGeometry.h.

Referenced by detLayers().

iterationsInfo_

std::unique_ptr<mkfit::IterationsInfo> MkFitGeometry::iterationsInfo_

private

Definition at line 45 of file MkFitGeometry.h.

Referenced by iterationsInfo().

lnc_

std::unique_ptr<mkfit::LayerNumberConverter> MkFitGeometry::lnc_

private

Definition at line 43 of file MkFitGeometry.h.

Referenced by layerNumberConverter(), and mkFitLayerNumber().

trackerInfo_

std::unique_ptr<mkfit::TrackerInfo> MkFitGeometry::trackerInfo_

private

Definition at line 44 of file MkFitGeometry.h.

Referenced by trackerInfo().

ttopo_

const TrackerTopology* MkFitGeometry::ttopo_

private

Definition at line 42 of file MkFitGeometry.h.

Referenced by mkFitLayerNumber(), and topology().