MuRingForwardLayer Class Reference

#include <MuRingForwardLayer.h>

Inheritance diagram for MuRingForwardLayer:

Public Member Functions
const std::vector< const GeomDet * > &	basicComponents () const override
std::vector< DetWithState >	compatibleDets (const TrajectoryStateOnSurface &startingState, const Propagator &prop, const MeasurementEstimator &est) const override
const std::vector< const GeometricSearchDet * > &	components () const override
std::vector< DetGroup >	groupedCompatibleDets (const TrajectoryStateOnSurface &startingState, const Propagator &prop, const MeasurementEstimator &est) const override
	MuRingForwardLayer (const std::vector< const ForwardDetRing *> &rings)
	Constructor, takes ownership of pointers. More...
virtual const std::vector< const ForwardDetRing * > &	rings () const
	Return the vector of rings. More...
SubDetector	subDetector () const override
	~MuRingForwardLayer () override

Private Attributes
bool	isOverlapping
std::vector< const GeomDet * >	theBasicComps
BaseBinFinder< double > *	theBinFinder
std::vector< const GeometricSearchDet * >	theComponents
std::vector< const ForwardDetRing * >	theRings

Detailed Description

A plane composed of disks (MuRingForwardDisk). Represents forward muon CSC/RPC stations.

Author

N. Amapane - INFN Torino

Definition at line 18 of file MuRingForwardLayer.h.

Constructor & Destructor Documentation

MuRingForwardLayer()

MuRingForwardLayer::MuRingForwardLayer

(

const std::vector< const ForwardDetRing *> &

rings

)

Constructor, takes ownership of pointers.

Definition at line 23 of file MuRingForwardLayer.cc.

References basicComponents(), isOverlapping, RBorderFinder::isROverlapping(), RBorderFinder::isRPeriodic(), LogTrace, SiStripPI::max, metname, SiStripPI::min, rings(), makeMuonMisalignmentScenario::rot, AlCaHLTBitMon_QueryRunRegistry::string, theBasicComps, theBinFinder, and theRings.

    : RingedForwardLayer(false),
      theRings(rings),
      theComponents(theRings.begin(), theRings.end()),
      theBinFinder(nullptr),
      isOverlapping(false) {
  const std::string metname = "Muon|RecoMuon|RecoMuonDetLayers|MuRingForwardLayer";

  // Initial values for R and Z bounds
  float theRmin = rings.front()->basicComponents().front()->position().perp();
  float theRmax = theRmin;
  float theZmin = rings.front()->position().z();
  float theZmax = theZmin;

  // Cache chamber pointers (the basic components_)
  // and find extension in R and Z
  for (vector<const ForwardDetRing*>::const_iterator it = rings.begin(); it != rings.end(); it++) {
    vector<const GeomDet*> tmp2 = (*it)->basicComponents();
    theBasicComps.insert(theBasicComps.end(), tmp2.begin(), tmp2.end());

    theRmin = min(theRmin, (*it)->specificSurface().innerRadius());
    theRmax = max(theRmax, (*it)->specificSurface().outerRadius());
    float halfThick = (*it)->surface().bounds().thickness() / 2.;
    float zCenter = (*it)->surface().position().z();
    theZmin = min(theZmin, zCenter - halfThick);
    theZmax = max(theZmax, zCenter + halfThick);
  }

  RBorderFinder bf(theRings);
  isOverlapping = bf.isROverlapping();
  theBinFinder = new GeneralBinFinderInR<double>(bf);

  // Build surface

  float zPos = (theZmax + theZmin) / 2.;
  PositionType pos(0., 0., zPos);
  RotationType rot;

  setSurface(new BoundDisk(pos, rot, new SimpleDiskBounds(theRmin, theRmax, theZmin - zPos, theZmax - zPos)));

  LogTrace(metname) << "Constructing MuRingForwardLayer: " << basicComponents().size() << " Dets " << theRings.size()
                    << " Rings "
                    << " Z: " << specificSurface().position().z() << " R1: " << specificSurface().innerRadius()
                    << " R2: " << specificSurface().outerRadius() << " Per.: " << bf.isRPeriodic()
                    << " Overl.: " << bf.isROverlapping();
}

~MuRingForwardLayer()

MuRingForwardLayer::~MuRingForwardLayer ( )

override

Definition at line 70 of file MuRingForwardLayer.cc.

References mps_fire::i, theBinFinder, and theRings.

                                        {
  delete theBinFinder;
  for (vector<const ForwardDetRing*>::iterator i = theRings.begin(); i < theRings.end(); i++) {
    delete *i;
  }
}

Member Function Documentation

basicComponents()

const std::vector<const GeomDet*>& MuRingForwardLayer::basicComponents ( ) const

inlineoverride

Definition at line 27 of file MuRingForwardLayer.h.

References theBasicComps.

Referenced by MuRingForwardLayer(), and MuRingForwardDoubleLayer::selfTest().

{ return theBasicComps; }

compatibleDets()

vector< GeometricSearchDet::DetWithState > MuRingForwardLayer::compatibleDets ( const TrajectoryStateOnSurface &  startingState, const Propagator &  prop, const MeasurementEstimator &  est  ) const

override

Definition at line 77 of file MuRingForwardLayer.cc.

References BaseBinFinder< T >::binIndex(), GeometricSearchDet::compatibleDets(), TrajectoryStateOnSurface::globalPosition(), TrajectoryStateOnSurface::hasError(), TrajectoryStateOnSurface::localError(), LogTrace, metname, PV3DBase< T, PVType, FrameType >::perp(), LocalTrajectoryError::positionError(), mps_fire::result, ForwardDetRing::specificSurface(), mathSSE::sqrt(), AlCaHLTBitMon_QueryRunRegistry::string, theBinFinder, theRings, toLocal(), LocalError::xx(), and LocalError::yy().

Referenced by MuRingForwardDoubleLayer::groupedCompatibleDets().

                                                                                                                  {
  const std::string metname = "Muon|RecoMuon|RecoMuonDetLayers|MuRingForwardLayer";
  vector<DetWithState> result;

  LogTrace(metname) << "MuRingForwardLayer::compatibleDets,"
                    << " R1 " << specificSurface().innerRadius() << " R2: " << specificSurface().outerRadius()
                    << " FTS at R: " << startingState.globalPosition().perp();

  pair<bool, TrajectoryStateOnSurface> compat = compatible(startingState, prop, est);

  if (!compat.first) {
    LogTrace(metname) << "     MuRingForwardLayer::compatibleDets: not compatible"
                      << " (should not have been selected!)";
    return result;
  }

  TrajectoryStateOnSurface& tsos = compat.second;

  int closest = theBinFinder->binIndex(tsos.globalPosition().perp());
  const ForwardDetRing* closestRing = theRings[closest];

  // Check the closest ring

  LogTrace(metname) << "     MuRingForwardLayer::fastCompatibleDets, closestRing: " << closest << " R1 "
                    << closestRing->specificSurface().innerRadius()
                    << " R2: " << closestRing->specificSurface().outerRadius()
                    << " FTS R: " << tsos.globalPosition().perp();
  if (tsos.hasError()) {
    LogTrace(metname) << " sR: " << sqrt(tsos.localError().positionError().yy())
                      << " sX: " << sqrt(tsos.localError().positionError().xx());
  }
  LogTrace(metname) << endl;

  result = closestRing->compatibleDets(tsos, prop, est);

  int nclosest = result.size();
  int nnextdet = 0;  // MDEBUG counters

  //FIXME: if closest is not compatible next cannot be either?

  // Use state on layer surface. Note that local coordinates and errors
  // are the same on the layer and on all rings surfaces, since
  // all BoundDisks are centered in 0,0 and have the same rotation.
  // CAVEAT: if the rings are not at the same Z, the local position and error
  // will be "Z-projected" to the rings. This is a fairly good approximation.
  // However in this case additional propagation will be done when calling
  // compatibleDets.
  GlobalPoint startPos = tsos.globalPosition();
  LocalPoint nextPos(surface().toLocal(startPos));

  for (unsigned int idet = closest + 1; idet < theRings.size(); idet++) {
    bool inside = false;
    if (tsos.hasError()) {
      inside = theRings[idet]->specificSurface().bounds().inside(nextPos, tsos.localError().positionError());
    } else {
      inside = theRings[idet]->specificSurface().bounds().inside(nextPos);
    }
    if (inside) {
      LogTrace(metname) << "     MuRingForwardLayer::fastCompatibleDets:NextRing" << idet << " R1 "
                        << theRings[idet]->specificSurface().innerRadius()
                        << " R2: " << theRings[idet]->specificSurface().outerRadius() << " FTS R " << nextPos.perp();
      nnextdet++;
      vector<DetWithState> nextRodDets = theRings[idet]->compatibleDets(tsos, prop, est);
      if (!nextRodDets.empty()) {
        result.insert(result.end(), nextRodDets.begin(), nextRodDets.end());
      } else {
        break;
      }
    }
  }

  for (int idet = closest - 1; idet >= 0; idet--) {
    bool inside = false;
    if (tsos.hasError()) {
      inside = theRings[idet]->specificSurface().bounds().inside(nextPos, tsos.localError().positionError());
    } else {
      inside = theRings[idet]->specificSurface().bounds().inside(nextPos);
    }
    if (inside) {
      LogTrace(metname) << "     MuRingForwardLayer::fastCompatibleDets:PreviousRing:" << idet << " R1 "
                        << theRings[idet]->specificSurface().innerRadius()
                        << " R2: " << theRings[idet]->specificSurface().outerRadius() << " FTS R " << nextPos.perp();
      nnextdet++;
      vector<DetWithState> nextRodDets = theRings[idet]->compatibleDets(tsos, prop, est);
      if (!nextRodDets.empty()) {
        result.insert(result.end(), nextRodDets.begin(), nextRodDets.end());
      } else {
        break;
      }
    }
  }

  LogTrace(metname) << "     MuRingForwardLayer::fastCompatibleDets: found: " << result.size()
                    << " on closest: " << nclosest << " # checked rings: " << 1 + nnextdet;

  return result;
}

components()

const vector< const GeometricSearchDet * > & MuRingForwardLayer::components ( ) const

override

Definition at line 186 of file MuRingForwardLayer.cc.

References theComponents.

{ return theComponents; }

groupedCompatibleDets()

vector< DetGroup > MuRingForwardLayer::groupedCompatibleDets ( const TrajectoryStateOnSurface &  startingState, const Propagator &  prop, const MeasurementEstimator &  est  ) const

override

Definition at line 176 of file MuRingForwardLayer.cc.

References gather_cfg::cout.

                                                                                                  {
  // FIXME should return only 1 group
  cout << "dummy implementation of MuRingForwardLayer::groupedCompatibleDets()" << endl;
  return vector<DetGroup>();
}

rings()

virtual const std::vector<const ForwardDetRing*>& MuRingForwardLayer::rings ( ) const

inlinevirtual

Return the vector of rings.

Definition at line 45 of file MuRingForwardLayer.h.

References theRings.

Referenced by MuRingForwardDoubleLayer::isCrack(), and MuRingForwardLayer().

{ return theRings; }

subDetector()

GeomDetEnumerators::SubDetector MuRingForwardLayer::subDetector ( ) const

override

Definition at line 184 of file MuRingForwardLayer.cc.

References theBasicComps.

Referenced by MuRingForwardDoubleLayer::subDetector().

{ return theBasicComps.front()->subDetector(); }

Member Data Documentation

isOverlapping

bool MuRingForwardLayer::isOverlapping

private

Definition at line 52 of file MuRingForwardLayer.h.

Referenced by MuRingForwardLayer().

theBasicComps

std::vector<const GeomDet*> MuRingForwardLayer::theBasicComps

private

Definition at line 50 of file MuRingForwardLayer.h.

Referenced by basicComponents(), MuRingForwardLayer(), and subDetector().

theBinFinder

BaseBinFinder<double>* MuRingForwardLayer::theBinFinder

private

Definition at line 51 of file MuRingForwardLayer.h.

Referenced by compatibleDets(), MuRingForwardLayer(), and ~MuRingForwardLayer().

theComponents

std::vector<const GeometricSearchDet*> MuRingForwardLayer::theComponents

private

Definition at line 49 of file MuRingForwardLayer.h.

Referenced by components().

theRings

std::vector<const ForwardDetRing*> MuRingForwardLayer::theRings

private

Definition at line 48 of file MuRingForwardLayer.h.

Referenced by compatibleDets(), MuRingForwardLayer(), rings(), and ~MuRingForwardLayer().