HitQuadrupletGeneratorFromLayerPairForPhotonConversion Class Reference

#include <HitQuadrupletGeneratorFromLayerPairForPhotonConversion.h>

Public Types
typedef SeedingLayerSetsHits::SeedingLayer	Layer
typedef LayerHitMapCache	LayerCacheType
typedef SeedingLayerSetsHits::SeedingLayerSet	Layers

Public Member Functions
void	bubbleSortVsR (int n, double *ax, double *ay, double *aey)
bool	failCheckRZCompatibility (const RecHitsSortedInPhi::Hit &hit, const DetLayer &layer, const HitRZCompatibility *checkRZ, const TrackingRegion &region)
bool	failCheckSegmentZCompatibility (double &rInn, double &zInnMin, double &zInnMax, double &rInt, double &zIntMin, double &zIntMax, double &rOut, double &zOutMin, double &zOutMax)
bool	failCheckSlopeTest (const RecHitsSortedInPhi::Hit &ohit, const RecHitsSortedInPhi::Hit &nohit, const RecHitsSortedInPhi::Hit &ihit, const RecHitsSortedInPhi::Hit &nihit, const TrackingRegion &region)
double	getEffectiveErrorOnZ (const RecHitsSortedInPhi::Hit &hit, const TrackingRegion &region)
double	getSqrEffectiveErrorOnZ (const RecHitsSortedInPhi::Hit &hit, const TrackingRegion &region)
double	getZAtR (double &rInn, double &zInn, double &r, double &rOut, double &zOut)
void	hitPairs (const TrackingRegion &reg, OrderedHitPairs &prs, const Layers &layers, const edm::Event &ev, const edm::EventSetup &es)
	HitQuadrupletGeneratorFromLayerPairForPhotonConversion (unsigned int inner, unsigned int outer, LayerCacheType *layerCache, unsigned int max=0)
double	verySimpleFit (int size, double *ax, double *ay, double *e2y, double &p0, double &e2p0, double &p1)
	~HitQuadrupletGeneratorFromLayerPairForPhotonConversion ()

Private Attributes
std::stringstream *	ss
const unsigned int	theInnerLayer
LayerCacheType &	theLayerCache
const unsigned int	theMaxElement
const unsigned int	theOuterLayer

Detailed Description

Definition at line 13 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.h.

Member Typedef Documentation

Layer

typedef SeedingLayerSetsHits::SeedingLayer HitQuadrupletGeneratorFromLayerPairForPhotonConversion::Layer

Definition at line 17 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.h.

LayerCacheType

typedef LayerHitMapCache HitQuadrupletGeneratorFromLayerPairForPhotonConversion::LayerCacheType

Definition at line 15 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.h.

Layers

typedef SeedingLayerSetsHits::SeedingLayerSet HitQuadrupletGeneratorFromLayerPairForPhotonConversion::Layers

Definition at line 16 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.h.

Constructor & Destructor Documentation

HitQuadrupletGeneratorFromLayerPairForPhotonConversion()

HitQuadrupletGeneratorFromLayerPairForPhotonConversion::HitQuadrupletGeneratorFromLayerPairForPhotonConversion	(	unsigned int	inner,
		unsigned int	outer,
		LayerCacheType *	layerCache,
		unsigned int	max = 0
	)

Definition at line 36 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.cc.

    : theLayerCache(*layerCache), theOuterLayer(outer), theInnerLayer(inner), theMaxElement(max) {
  ss = new std::stringstream;
}

References ss.

~HitQuadrupletGeneratorFromLayerPairForPhotonConversion()

HitQuadrupletGeneratorFromLayerPairForPhotonConversion::~HitQuadrupletGeneratorFromLayerPairForPhotonConversion ( )

inline

Definition at line 24 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.h.

{}

Member Function Documentation

bubbleSortVsR()

void HitQuadrupletGeneratorFromLayerPairForPhotonConversion::bubbleSortVsR	(	int	n,
		double *	ax,
		double *	ay,
		double *	aey
	)

Definition at line 365 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.cc.

                                                                                                                     {
  bool swapped = true;
  int j = 0;
  double tmpr, tmpz, tmpez;
  while (swapped) {
    swapped = false;
    j++;
    for (int i = 0; i < n - j; i++) {
      if (ar[i] > ar[i + 1]) {
        tmpr = ar[i];
        ar[i] = ar[i + 1];
        ar[i + 1] = tmpr;
        tmpz = az[i];
        az[i] = az[i + 1];
        az[i + 1] = tmpz;
        tmpez = aez[i];
        aez[i] = aez[i + 1];
        aez[i + 1] = tmpez;
        swapped = true;
      }
    }
  }
}

References mps_fire::i, dqmiolumiharvest::j, and dqmiodumpmetadata::n.

Referenced by failCheckSlopeTest().

failCheckRZCompatibility()

bool HitQuadrupletGeneratorFromLayerPairForPhotonConversion::failCheckRZCompatibility	(	const RecHitsSortedInPhi::Hit &	hit,
		const DetLayer &	layer,
		const HitRZCompatibility *	checkRZ,
		const TrackingRegion &	region
	)

Definition at line 209 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.cc.

                                                                                                                    {
  if (!checkRZ) {
#ifdef mydebug_QSeed
    (*ss) << "*******\nNo valid checkRZ\n*******" << std::endl;
#endif
    return true;
  }
 
  static const float nSigmaRZ = std::sqrt(12.f);
  float r_reduced = std::sqrt(sqr(hit->globalPosition().x() - region.origin().x()) +
                              sqr(hit->globalPosition().y() - region.origin().y()));
  Range allowed;
  Range hitRZ;
  if (layer.location() == barrel) {
    allowed = checkRZ->range(r_reduced);
    float zErr = nSigmaRZ * hit->errorGlobalZ();
    hitRZ = Range(hit->globalPosition().z() - zErr, hit->globalPosition().z() + zErr);
  } else {
    allowed = checkRZ->range(hit->globalPosition().z());
    float rErr = nSigmaRZ * hit->errorGlobalR();
    hitRZ = Range(r_reduced - rErr, r_reduced + rErr);
  }
  Range crossRange = allowed.intersection(hitRZ);
 
#ifdef mydebug_QSeed
  (*ss) << "\n\t\t allowed Range " << allowed.min() << " \t, " << allowed.max() << "\n\t\t hitRz   Range "
        << hitRZ.min() << " \t, " << hitRZ.max() << "\n\t\t Cross   Range " << crossRange.min() << " \t, "
        << crossRange.max() << std::endl;
  if (!crossRange.empty())
    (*ss) << "\n\t\t !!!!ACCEPTED!!! \n\n";
#endif
 
  return crossRange.empty();
}

References Reference_intrackfit_cff::barrel, f, PixelRecoRange< T >::intersection(), DetLayer::location(), PixelRecoRange< T >::min(), nSigmaRZ, HitRZCompatibility::range(), HLT_2018_cff::region, sqr(), mathSSE::sqrt(), ss, hit::x, hit::y, and hit::z.

Referenced by hitPairs().

failCheckSegmentZCompatibility()

bool HitQuadrupletGeneratorFromLayerPairForPhotonConversion::failCheckSegmentZCompatibility	(	double &	rInn,
		double &	zInnMin,
		double &	zInnMax,
		double &	rInt,
		double &	zIntMin,
		double &	zIntMax,
		double &	rOut,
		double &	zOutMin,
		double &	zOutMax
	)

Definition at line 389 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.cc.

                                                                                                             {
  //
  // Check the compatibility in z of an INTermediate segment between an INNer segment and an OUTer segment;
  // when true is returned zIntMin and zIntMax are replaced with allowed range values
 
  //Left side
  double zLeft = getZAtR(rInn, zInnMin, rInt, rOut, zOutMin);
  if (zIntMax < zLeft)
    return true;
  //Right side
  double zRight = getZAtR(rInn, zInnMax, rInt, rOut, zOutMax);
  if (zIntMin > zRight)
    return true;
  if (zIntMin < zLeft && zIntMax < zRight) {
    zIntMax = zLeft;
    return false;
  }
  if (zIntMin > zLeft && zIntMax > zRight) {
    zIntMax = zRight;
    return false;
  }
 
  //Segment is fully contained
  return false;
}

References getZAtR().

Referenced by failCheckSlopeTest().

failCheckSlopeTest()

bool HitQuadrupletGeneratorFromLayerPairForPhotonConversion::failCheckSlopeTest	(	const RecHitsSortedInPhi::Hit &	ohit,
		const RecHitsSortedInPhi::Hit &	nohit,
		const RecHitsSortedInPhi::Hit &	ihit,
		const RecHitsSortedInPhi::Hit &	nihit,
		const TrackingRegion &	region
	)

Definition at line 247 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.cc.

                                                                                                              {
  double r[5], z[5], ez[5];
  //  double pr[2], pz[2], e2pz[2], mr[2], mz[2], e2mz[2];
 
  //
  //Hits
  r[0] = ohit->globalPosition().perp();
  z[0] = ohit->globalPosition().z();
  ez[0] = getEffectiveErrorOnZ(ohit, region);
  //
  r[1] = nohit->globalPosition().perp();
  z[1] = nohit->globalPosition().z();
  ez[1] = getEffectiveErrorOnZ(nohit, region);
  //
  r[2] = nihit->globalPosition().perp();
  z[2] = nihit->globalPosition().z();
  ez[2] = getEffectiveErrorOnZ(nihit, region);
  //
  r[3] = ihit->globalPosition().perp();
  z[3] = ihit->globalPosition().z();
  ez[3] = getEffectiveErrorOnZ(ihit, region);
  //
  //R (r) ordering of the 4 hit arrays
  bubbleSortVsR(4, r, z, ez);
  //
  //Vertex
  r[4] = region.origin().perp();
  z[4] = region.origin().z();
  double vError = region.originZBound();
  if (vError > 15.)
    vError = 1.;
  ez[4] = 3. * vError;
 
  //
  //Sequence of checks
  //
  //Inner segment == vertex
  double rInn = r[4];
  double zInnMin = z[4] - ez[4];
  double zInnMax = z[4] + ez[4];
  //
  // Int == 2, Out == 3
  double rOut = r[3];
  double zOutMin = z[3] - ez[3];
  double zOutMax = z[3] + ez[3];
  double rInt = r[2];
  double zIntMin = z[2] - ez[2];
  double zIntMax = z[2] + ez[2];
  if (failCheckSegmentZCompatibility(rInn, zInnMin, zInnMax, rInt, zIntMin, zIntMax, rOut, zOutMin, zOutMax))
    return true;
  //
  // Int == 1, Out == 2 (with updated limits)
  rOut = rInt;
  zOutMin = zIntMin;
  zOutMax = zIntMax;
  rInt = r[1];
  zIntMin = z[1] - ez[1];
  zIntMax = z[1] + ez[1];
  if (failCheckSegmentZCompatibility(rInn, zInnMin, zInnMax, rInt, zIntMin, zIntMax, rOut, zOutMin, zOutMax))
    return true;
  //
  // Int == 0, Out == 1 (with updated limits)
  rOut = rInt;
  zOutMin = zIntMin;
  zOutMax = zIntMax;
  rInt = r[0];
  zIntMin = z[0] - ez[0];
  zIntMax = z[0] + ez[0];
  if (failCheckSegmentZCompatibility(rInn, zInnMin, zInnMax, rInt, zIntMin, zIntMax, rOut, zOutMin, zOutMax))
    return true;
 
  //
  // Test is ok!!!
  return false;
}

References bubbleSortVsR(), failCheckSegmentZCompatibility(), getEffectiveErrorOnZ(), alignCSCRings::r, HLT_2018_cff::region, and z.

Referenced by hitPairs().

getEffectiveErrorOnZ()

double HitQuadrupletGeneratorFromLayerPairForPhotonConversion::getEffectiveErrorOnZ	(	const RecHitsSortedInPhi::Hit &	hit,
		const TrackingRegion &	region
	)

Definition at line 344 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.cc.

                                                                                                                  {
  //
  //Fit-wise the effective error on Z is approximately the sum in quadrature of the error on Z
  //and the error on R correctly projected by using hit-vertex direction
  double sqrProjFactor =
      sqr((hit->globalPosition().z() - region.origin().z()) / (hit->globalPosition().perp() - region.origin().perp()));
  double effErr =
      sqrt(hit->globalPositionError().czz() + sqrProjFactor * hit->globalPositionError().rerr(hit->globalPosition()));
  if (effErr > 2.) {
    effErr *= 1.8;  //Single Side error is strip length * sqrt( 12.) = 3.46
    //empirically found that the error on ss hits value it is already twice as large (two sigmas)!
    //Multiply by sqrt(12.)/2.=1.73 to have effErr equal to the strip lenght (1.8 to allow for some margin)
    //effErr*=2.5; //Used in some tests
  } else {
    effErr *= 2.;  //Tight //Double side... allowing for 2 sigma variation
    //effErr*=5.; //Loose //Double side... allowing for 2 sigma variation
  }
  return effErr;
}

References HLT_2018_cff::region, sqr(), mathSSE::sqrt(), and hit::z.

Referenced by failCheckSlopeTest().

getSqrEffectiveErrorOnZ()

double HitQuadrupletGeneratorFromLayerPairForPhotonConversion::getSqrEffectiveErrorOnZ	(	const RecHitsSortedInPhi::Hit &	hit,
		const TrackingRegion &	region
	)

Definition at line 333 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.cc.

                                                                    {
  //
  //Fit-wise the effective error on Z is approximately the sum in quadrature of the error on Z
  //and the error on R correctly projected by using hit-vertex direction
 
  double sqrProjFactor =
      sqr((hit->globalPosition().z() - region.origin().z()) / (hit->globalPosition().perp() - region.origin().perp()));
  return (hit->globalPositionError().czz() + sqrProjFactor * hit->globalPositionError().rerr(hit->globalPosition()));
}

References HLT_2018_cff::region, sqr(), and hit::z.

getZAtR()

double HitQuadrupletGeneratorFromLayerPairForPhotonConversion::getZAtR	(	double &	rInn,
		double &	zInn,
		double &	r,
		double &	rOut,
		double &	zOut
	)

Definition at line 423 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.cc.

                                                                       {
  //    z - zInn      r - rInn                                  r - rInn
  //  ----------- = ----------- ==> z = zInn + (zOut - zInn) * -----------
  //  zOut - zInn   rOut - rInn                                rOut - rInn
 
  return zInn + (zOut - zInn) * (r - rInn) / (rOut - rInn);
}

References alignCSCRings::r.

Referenced by failCheckSegmentZCompatibility().

hitPairs()

void HitQuadrupletGeneratorFromLayerPairForPhotonConversion::hitPairs	(	const TrackingRegion &	reg,
		OrderedHitPairs &	prs,
		const Layers &	layers,
		const edm::Event &	ev,
		const edm::EventSetup &	es
	)

Definition at line 42 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.cc.

                                                                                               {
  ss->str("");
 
  typedef OrderedHitPair::InnerRecHit InnerHit;
  typedef OrderedHitPair::OuterRecHit OuterHit;
  typedef RecHitsSortedInPhi::Hit Hit;
 
  Layer innerLayerObj = layers[theInnerLayer];
  Layer outerLayerObj = layers[theOuterLayer];
 
  size_t totCountP2 = 0, totCountP1 = 0, totCountM2 = 0, totCountM1 = 0, selCount = 0;
#ifdef mydebug_QSeed
  (*ss) << "In " << innerLayerObj.name() << " Out " << theOuterLayer.name() << std::endl;
#endif
 
  /*get hit sorted in phi for each layer: NB: doesn't apply any region cut*/
  const RecHitsSortedInPhi &innerHitsMap = theLayerCache(innerLayerObj, region, es);
  if (innerHitsMap.empty())
    return;
 
  const RecHitsSortedInPhi &outerHitsMap = theLayerCache(outerLayerObj, region, es);
  if (outerHitsMap.empty())
    return;
  /*----------------*/
 
  /*This object will check the compatibility of the his in phi among the two layers. */
  //InnerDeltaPhi deltaPhi(*innerLayerObj.detLayer(), region, es);
 
  vector<RecHitsSortedInPhi::Hit> innerHits;
  //  float outerPhimin, outerPhimax;
  float innerPhimin, innerPhimax;
  float maxDeltaPhi = 1.;  //sguazz
  //float maxDeltaPhi=1.;
 
  RecHitsSortedInPhi::Range outerHits = outerHitsMap.all();
 
  RecHitsSortedInPhi::HitIter nextoh;
  for (RecHitsSortedInPhi::HitIter oh = outerHits.first; oh != outerHits.second; ++oh) {
    RecHitsSortedInPhi::Hit ohit = (*oh).hit();
    GlobalPoint oPos = ohit->globalPosition();
 
    totCountP2++;
    std::unique_ptr<const HitRZCompatibility> checkRZ = region.checkRZ(outerLayerObj.detLayer(), ohit, es);
    for (nextoh = oh + 1; nextoh != outerHits.second; ++nextoh) {
      RecHitsSortedInPhi::Hit nohit = (*nextoh).hit();
      GlobalPoint noPos = nohit->globalPosition();
 
#ifdef mydebug_QSeed
      (*ss) << "\toPos " << oPos << " r " << oPos.perp() << " phi " << oPos.phi() << " cotTheta "
            << oPos.z() / oPos.perp() << std::endl;
      (*ss) << "\tnoPos " << noPos << " r " << noPos.perp() << " phi " << noPos.phi() << " cotTheta "
            << noPos.z() / noPos.perp() << std::endl;
      (*ss) << "\tDeltaPhi " << reco::deltaPhi(noPos.barePhi(), oPos.barePhi()) << std::endl;
#endif
 
      if (fabs(reco::deltaPhi(noPos.barePhi(), oPos.barePhi())) > maxDeltaPhi)
        break;
 
      totCountM2++;
 
      /*Check the compatibility of the ohit with the eta of the seeding track*/
      if (failCheckRZCompatibility(nohit, *outerLayerObj.detLayer(), checkRZ.get(), region))
        continue;
 
      /*  
    //Do I need this? it uses a compatibility that probably I wouldn't 
    //Removing for the time being
 
    PixelRecoRange<float> phiRange = deltaPhi( oPos.perp(), oPos.phi(), oPos.z(), nSigmaPhi*(ohit->errorGlobalRPhi()));    
    if (phiRange.empty()) continue;
    */
 
      /*Get only the inner hits compatible with the conversion region*/
      innerPhimin = ohit->globalPosition().phi();
      innerPhimax = nohit->globalPosition().phi();
      // checkPhiRange(innerPhimin,innerPhimax);
 
      innerHits.clear();
      innerHitsMap.hits(innerPhimin, innerPhimax, innerHits);
 
#ifdef mydebug_QSeed
      (*ss) << "\tiphimin, iphimax " << innerPhimin << " " << innerPhimax << std::endl;
#endif
 
      std::unique_ptr<const HitRZCompatibility> checkRZb = region.checkRZ(innerLayerObj.detLayer(), ohit, es);
      std::unique_ptr<const HitRZCompatibility> checkRZc = region.checkRZ(innerLayerObj.detLayer(), nohit, es);
 
      /*Loop on inner hits*/
      vector<RecHitsSortedInPhi::Hit>::const_iterator ieh = innerHits.end();
      for (vector<RecHitsSortedInPhi::Hit>::const_iterator ih = innerHits.begin(); ih < ieh; ++ih) {
        RecHitsSortedInPhi::Hit ihit = *ih;
 
#ifdef mydebug_QSeed
        GlobalPoint innPos = (*ih)->globalPosition();
        (*ss) << "\toPos " << oPos << " r " << oPos.perp() << " phi " << oPos.phi() << " cotTheta "
              << oPos.z() / oPos.perp() << std::endl;
        (*ss) << "\tnoPos " << noPos << " r " << noPos.perp() << " phi " << noPos.phi() << " cotTheta "
              << noPos.z() / noPos.perp() << std::endl;
        (*ss) << "\tinnPos " << innPos << " r " << innPos.perp() << " phi " << innPos.phi() << " cotTheta "
              << innPos.z() / innPos.perp() << std::endl;
#endif
 
        totCountP1++;
 
        /*Check the compatibility of the ihit with the two outer hits*/
        if (failCheckRZCompatibility(ihit, *innerLayerObj.detLayer(), checkRZb.get(), region) ||
            failCheckRZCompatibility(ihit, *innerLayerObj.detLayer(), checkRZc.get(), region))
          continue;
 
        for (vector<RecHitsSortedInPhi::Hit>::const_iterator nextih = ih + 1; nextih != ieh; ++nextih) {
          RecHitsSortedInPhi::Hit nihit = *nextih;
 
#ifdef mydebug_QSeed
          GlobalPoint ninnPos = (*nextih)->globalPosition();
          (*ss) << "\toPos " << oPos << " r " << oPos.perp() << " phi " << oPos.phi() << " cotTheta "
                << oPos.z() / oPos.perp() << std::endl;
          (*ss) << "\tnoPos " << noPos << " r " << noPos.perp() << " phi " << noPos.phi() << " cotTheta "
                << noPos.z() / noPos.perp() << std::endl;
          (*ss) << "\tinnPos " << innPos << " r " << innPos.perp() << " phi " << innPos.phi() << " cotTheta "
                << innPos.z() / innPos.perp() << std::endl;
          (*ss) << "\tninnPos " << ninnPos << " r " << ninnPos.perp() << " phi " << ninnPos.phi() << " cotTheta "
                << ninnPos.z() / ninnPos.perp() << std::endl;
#endif
 
          totCountM1++;
 
          /*Check the compatibility of the nihit with the two outer hits*/
          if (failCheckRZCompatibility(nihit, *innerLayerObj.detLayer(), checkRZb.get(), region) ||
              failCheckRZCompatibility(nihit, *innerLayerObj.detLayer(), checkRZc.get(), region))
            continue;
 
          /*Sguazz modifica qui*/
          if (failCheckSlopeTest(ohit, nohit, ihit, nihit, region))
            continue;
 
          if (theMaxElement != 0 && result.size() >= theMaxElement) {
            result.clear();
            edm::LogError("TooManyQuads") << "number of Quad combinations exceed maximum, no quads produced";
#ifdef mydebug_QSeed
            (*ss) << "In " << innerLayerObj.name() << " Out " << outerLayerObj.name() << "\tP2 " << totCountP2
                  << "\tM2 " << totCountM2 << "\tP1 " << totCountP1 << "\tM1 " << totCountM1 << "\tsel " << selCount
                  << std::endl;
            std::cout << (*ss).str();
#endif
            return;
          }
          selCount++;
          result.push_back(OrderedHitPair(ihit, ohit));
          result.push_back(OrderedHitPair(nihit, nohit));
          //#ifdef mydebug_QSeed
          //(*ss) << "sizeOfresul " << result.size() << std::endl;
          //#endif
        }
      }
    }
  }
#ifdef mydebug_QSeed
  (*ss) << "In " << innerLayerObj.name() << " Out " << outerLayerObj.name() << "\tP2 " << totCountP2 << "\tM2 "
        << totCountM2 << "\tP1 " << totCountP1 << "\tM1 " << totCountM1 << "\tsel " << selCount << std::endl;
  std::cout << (*ss).str();
#endif
}

References RecHitsSortedInPhi::all(), PV3DBase< T, PVType, FrameType >::barePhi(), gather_cfg::cout, reco::deltaPhi(), SeedingLayerSetsHits::SeedingLayer::detLayer(), RecHitsSortedInPhi::empty(), failCheckRZCompatibility(), failCheckSlopeTest(), RecHitsSortedInPhi::hits(), hgcalTopologyTester_cfi::layers, CommPDSkim_cfg::maxDeltaPhi, SeedingLayerSetsHits::SeedingLayer::name(), PV3DBase< T, PVType, FrameType >::perp(), PV3DBase< T, PVType, FrameType >::phi(), HLT_2018_cff::region, mps_fire::result, ss, theInnerLayer, theLayerCache, theMaxElement, theOuterLayer, and PV3DBase< T, PVType, FrameType >::z().

verySimpleFit()

double HitQuadrupletGeneratorFromLayerPairForPhotonConversion::verySimpleFit	(	int	size,
		double *	ax,
		double *	ay,
		double *	e2y,
		double &	p0,
		double &	e2p0,
		double &	p1
	)

Definition at line 327 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.cc.

                                                                                         {
  //#include "verySimpleFit.icc"
  return 0;
}

Member Data Documentation

ss

std::stringstream* HitQuadrupletGeneratorFromLayerPairForPhotonConversion::ss

private

Definition at line 64 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.h.

Referenced by failCheckRZCompatibility(), hitPairs(), and HitQuadrupletGeneratorFromLayerPairForPhotonConversion().

theInnerLayer

const unsigned int HitQuadrupletGeneratorFromLayerPairForPhotonConversion::theInnerLayer

private

Definition at line 61 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.h.

Referenced by hitPairs().

theLayerCache

LayerCacheType& HitQuadrupletGeneratorFromLayerPairForPhotonConversion::theLayerCache

private

Definition at line 59 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.h.

Referenced by hitPairs().

theMaxElement

const unsigned int HitQuadrupletGeneratorFromLayerPairForPhotonConversion::theMaxElement

private

Definition at line 62 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.h.

Referenced by hitPairs().

theOuterLayer

const unsigned int HitQuadrupletGeneratorFromLayerPairForPhotonConversion::theOuterLayer

private

Definition at line 60 of file HitQuadrupletGeneratorFromLayerPairForPhotonConversion.h.

Referenced by hitPairs().