MuRingForwardDoubleLayer Class Reference

#include <MuRingForwardDoubleLayer.h>

Inheritance diagram for MuRingForwardDoubleLayer:

Public Member Functions
const MuRingForwardLayer *	backLayer () const
virtual const std::vector < const GeomDet * > &	basicComponents () const
virtual std::pair< bool, TrajectoryStateOnSurface >	compatible (const TrajectoryStateOnSurface &, const Propagator &, const MeasurementEstimator &) const
virtual std::vector< DetWithState >	compatibleDets (const TrajectoryStateOnSurface &startingState, const Propagator &prop, const MeasurementEstimator &est) const
virtual const std::vector < const GeometricSearchDet * > &	components () const
const MuRingForwardLayer *	frontLayer () const
virtual std::vector< DetGroup >	groupedCompatibleDets (const TrajectoryStateOnSurface &startingState, const Propagator &prop, const MeasurementEstimator &est) const
bool	isCrack (const GlobalPoint &gp) const
bool	isInsideOut (const TrajectoryStateOnSurface &tsos) const
	MuRingForwardDoubleLayer (const std::vector< const ForwardDetRing * > &frontRings, const std::vector< const ForwardDetRing * > &backRings)
	Constructor, takes ownership of pointers. More...
virtual const std::vector < const ForwardDetRing * > &	rings () const
	Return the vector of rings. More...
void	selfTest () const
virtual SubDetector	subDetector () const
virtual	~MuRingForwardDoubleLayer ()

Protected Member Functions
virtual BoundDisk *	computeSurface ()

Private Attributes
MuRingForwardLayer	theBackLayer
std::vector< const GeomDet * >	theBasicComponents
std::vector< const GeometricSearchDet * >	theComponents
MuRingForwardLayer	theFrontLayer
std::vector< const ForwardDetRing * >	theRings

Detailed Description

A plane composed two layers of disks. Represents forward muon CSC stations.

Author

R. Wilkinson

Definition at line 19 of file MuRingForwardDoubleLayer.h.

Constructor & Destructor Documentation

MuRingForwardDoubleLayer::MuRingForwardDoubleLayer	(	const std::vector< const ForwardDetRing * > &	frontRings,
		const std::vector< const ForwardDetRing * > &	backRings
	)

Constructor, takes ownership of pointers.

Definition at line 21 of file MuRingForwardDoubleLayer.cc.

References basicComponents(), computeSurface(), LogTrace, metname, selfTest(), AlCaHLTBitMon_QueryRunRegistry::string, theBasicComponents, theComponents, and theRings.

                                                                                       :
  RingedForwardLayer(true),
  theFrontLayer(frontRings),
  theBackLayer(backRings),
  theRings(frontRings), // add back later
  theComponents(),
  theBasicComponents()
{

  const std::string metname = "Muon|RecoMuon|RecoMuonDetLayers|MuRingForwardDoubleLayer";

  theRings.insert(theRings.end(), backRings.begin(), backRings.end());
  theComponents = std::vector <const GeometricSearchDet*>(theRings.begin(), theRings.end());

  // Cache chamber pointers (the basic components_)
  // and find extension in R and Z
  for (vector<const ForwardDetRing*>::const_iterator it=theRings.begin();
       it!=theRings.end(); it++) {
    vector<const GeomDet*> tmp2 = (*it)->basicComponents();
    theBasicComponents.insert(theBasicComponents.end(),tmp2.begin(),tmp2.end());
  }  
  
  setSurface(computeSurface());
   
  LogTrace(metname) << "Constructing MuRingForwardDoubleLayer: "
                    << basicComponents().size() << " Dets " 
                    << theRings.size() << " Rings "
                    << " Z: " << specificSurface().position().z()
                    << " R1: " << specificSurface().innerRadius()
                    << " R2: " << specificSurface().outerRadius();

  selfTest();
}

virtual MuRingForwardDoubleLayer::~MuRingForwardDoubleLayer ( )

inlinevirtual

Definition at line 27 of file MuRingForwardDoubleLayer.h.

{}

Member Function Documentation

const MuRingForwardLayer* MuRingForwardDoubleLayer::backLayer ( ) const

inline

Definition at line 66 of file MuRingForwardDoubleLayer.h.

References theBackLayer.

{return &theBackLayer;}

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

inlinevirtual

Definition at line 32 of file MuRingForwardDoubleLayer.h.

References theBasicComponents.

Referenced by MuRingForwardDoubleLayer().

{return theBasicComponents;}

std::pair< bool, TrajectoryStateOnSurface > MuRingForwardDoubleLayer::compatible ( const TrajectoryStateOnSurface &  startingState, const Propagator &  prop, const MeasurementEstimator &  est  ) const

virtual

Definition at line 88 of file MuRingForwardDoubleLayer.cc.

References deltaR(), TrajectoryStateOnSurface::hasError(), SimpleDiskBounds::inside(), insideOut, isInsideOut(), TrajectoryStateOnSurface::isValid(), TrajectoryStateOnSurface::localDirection(), TrajectoryStateOnSurface::localError(), TrajectoryStateOnSurface::localPosition(), LogTrace, metname, HLT_FULL_cff::nSigma, LocalTrajectoryError::positionError(), Propagator::propagate(), mathSSE::sqrt(), AlCaHLTBitMon_QueryRunRegistry::string, funct::tan(), theBackLayer, theFrontLayer, PV3DBase< T, PVType, FrameType >::theta(), tmp, LocalError::xx(), LocalError::yy(), SiStripMonitorClusterAlca_cfi::zmax, and SiStripMonitorClusterAlca_cfi::zmin.

Referenced by compatibleDets().

{
  // mostly copied from ForwardDetLayer, except propagates to closest surface,
  // not to center
  const std::string metname = "Muon|RecoMuon|RecoMuonDetLayers|MuRingForwardDoubleLayer";

  bool insideOut = isInsideOut(startingState);
  const MuRingForwardLayer & closerLayer = (insideOut) ? theFrontLayer : theBackLayer;
  LogTrace("Muon|RecoMuon|RecoMuonDetLayers|MuRingForwardDoubleLayer") 
    << "MuRingForwardDoubleLayer::compatible is assuming inside-out direction: "<< insideOut;


  //std::pair<bool, TrajectoryStateOnSurface> result 
  //  = closerLayer.compatible(startingState, prop, est);
  //if(!result.first)
  // {
  //  result = furtherLayer.compatible(startingState, prop, est);
  //}


  TrajectoryStateOnSurface myState = prop.propagate( startingState, closerLayer.specificSurface());
  if ( !myState.isValid()) return make_pair( false, myState);

  // take into account the thickness of the layer
  float deltaR = surface().bounds().thickness()/2. *
    fabs( tan( myState.localDirection().theta()));

  // take into account the error on the predicted state
  const float nSigma = 3.;
  if (myState.hasError()) {
    LocalError err = myState.localError().positionError();
    // ignore correlation for the moment...
    deltaR += nSigma * sqrt(err.xx() + err.yy());
  }

  float zPos = (zmax()+zmin())/2.;
  SimpleDiskBounds tmp( rmin()-deltaR, rmax()+deltaR,
                        zmin()-zPos, zmax()-zPos);

  return make_pair( tmp.inside(myState.localPosition()), myState);
}

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

virtual

Definition at line 133 of file MuRingForwardDoubleLayer.cc.

References compatible(), groupedCompatibleDets(), LogTrace, metname, query::result, and AlCaHLTBitMon_QueryRunRegistry::string.

                                                          {
  vector<DetWithState> result;
  const std::string metname = "Muon|RecoMuon|RecoMuonDetLayers|MuRingForwardDoubleLayer";
  pair<bool, TrajectoryStateOnSurface> compat =
    compatible(startingState, prop, est);

  if (!compat.first) {

    LogTrace(metname) << "     MuRingForwardDoubleLayer::compatibleDets: not compatible"
                      << " (should not have been selected!)";
    return result;
  }


  TrajectoryStateOnSurface& tsos = compat.second;

   // standard implementation of compatibleDets() for class which have 
  // groupedCompatibleDets implemented.
  // This code should be moved in a common place intead of being 
  // copied many times.
  vector<DetGroup> vectorGroups = groupedCompatibleDets(tsos,prop,est);
  for(vector<DetGroup>::const_iterator itDG=vectorGroups.begin();
      itDG!=vectorGroups.end();itDG++){
    for(vector<DetGroupElement>::const_iterator itDGE=itDG->begin();
        itDGE!=itDG->end();itDGE++){
      result.push_back(DetWithState(itDGE->det(),itDGE->trajectoryState()));
    }
  }
  return result;  
} 

virtual const std::vector<const GeometricSearchDet*>& MuRingForwardDoubleLayer::components ( ) const

inlinevirtual

Definition at line 34 of file MuRingForwardDoubleLayer.h.

References theComponents.

{return theComponents;}

BoundDisk * MuRingForwardDoubleLayer::computeSurface ( )

protectedvirtual

Definition at line 57 of file MuRingForwardDoubleLayer.cc.

References bookConverter::max, min(), makeMuonMisalignmentScenario::rot, theBackLayer, theFrontLayer, SiStripMonitorClusterAlca_cfi::zmax, and SiStripMonitorClusterAlca_cfi::zmin.

Referenced by MuRingForwardDoubleLayer().

{
  const BoundDisk & frontDisk = theFrontLayer.specificSurface();
  const BoundDisk & backDisk  = theBackLayer.specificSurface();

  float rmin = min( frontDisk.innerRadius(), backDisk.innerRadius() );
  float rmax = max( frontDisk.outerRadius(), backDisk.outerRadius() );
  float zmin = frontDisk.position().z();
  float halfThickness = frontDisk.bounds().thickness()/2.;
  zmin = (zmin > 0) ? zmin-halfThickness : zmin+halfThickness;
  float zmax = backDisk.position().z();
  halfThickness = backDisk.bounds().thickness()/2.;
  zmax = (zmax > 0) ? zmax+halfThickness : zmax-halfThickness;
  float zPos = (zmax+zmin)/2.;
  PositionType pos(0.,0.,zPos);
  RotationType rot;

  return new BoundDisk( pos, rot,
                        new SimpleDiskBounds( rmin, rmax,
                                              zmin-zPos, zmax-zPos));
}

const MuRingForwardLayer* MuRingForwardDoubleLayer::frontLayer ( ) const

inline

Definition at line 65 of file MuRingForwardDoubleLayer.h.

References theFrontLayer.

{return &theFrontLayer;}

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

virtual

Definition at line 168 of file MuRingForwardDoubleLayer.cc.

References MuRingForwardLayer::compatibleDets(), LogTrace, metname, query::result, AlCaHLTBitMon_QueryRunRegistry::string, theBackLayer, and theFrontLayer.

Referenced by compatibleDets().

                                                                                  {

  const std::string metname = "Muon|RecoMuon|RecoMuonDetLayers|MuRingForwardDoubleLayer";
  vector<GeometricSearchDet::DetWithState> detWithStates1, detWithStates2;
  
  LogTrace(metname) << "groupedCompatibleDets are currently given always in inside-out order";
  // this should be fixed either in RecoMuon/MeasurementDet/MuonDetLayerMeasurements or
  // RecoMuon/DetLayers/MuRingForwardDoubleLayer
  // and removed the reverse operation in StandAloneMuonFilter::findBestMeasurements

  detWithStates1 = theFrontLayer.compatibleDets(startingState, prop, est);
  detWithStates2 = theBackLayer.compatibleDets(startingState, prop, est);    
  
  vector<DetGroup> result;
  if(!detWithStates1.empty()) result.push_back( DetGroup(detWithStates1) );
  if(!detWithStates2.empty()) result.push_back( DetGroup(detWithStates2) );
  LogTrace(metname) << "DoubleLayer Compatible dets: " << result.size();
  return result;
}

bool MuRingForwardDoubleLayer::isCrack

(

const GlobalPoint &

gp

)

const

Definition at line 191 of file MuRingForwardDoubleLayer.cc.

References assert(), LogTrace, metname, PV3DBase< T, PVType, FrameType >::perp(), alignCSCRings::r, query::result, MuRingForwardLayer::rings(), ForwardDetRing::specificSurface(), AlCaHLTBitMon_QueryRunRegistry::string, and theBackLayer.

{
  const std::string metname = "Muon|RecoMuon|RecoMuonDetLayers|MuRingForwardDoubleLayer";
  // approximate
  bool result = false;
  double r = gp.perp();
  const std::vector<const ForwardDetRing*>& backRings = theBackLayer.rings(); 
  if(backRings.size() > 1)
  {
    const MuDetRing * innerRing = dynamic_cast<const MuDetRing *>(backRings[0]);
    const MuDetRing * outerRing = dynamic_cast<const MuDetRing *>(backRings[1]);
    assert(innerRing && outerRing);
    float crackInner = innerRing->specificSurface().outerRadius();
    float crackOuter = outerRing->specificSurface().innerRadius();
    LogTrace(metname)  << "In a crack:" << crackInner << " " << r << " " << crackOuter;
    if(r > crackInner && r < crackOuter) return true;
  }
  // non-overlapping rings
  //double phi = gp.phi().degrees();
  return result;
}

bool MuRingForwardDoubleLayer::isInsideOut

(

const TrajectoryStateOnSurface &

tsos

)

const

Definition at line 80 of file MuRingForwardDoubleLayer.cc.

References PV3DBase< T, PVType, FrameType >::basicVector(), Basic3DVector< T >::dot(), TrajectoryStateOnSurface::globalMomentum(), and TrajectoryStateOnSurface::globalPosition().

Referenced by compatible().

{
  return tsos.globalPosition().basicVector().dot(tsos.globalMomentum().basicVector()) > 0;
}

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

inlinevirtual

Return the vector of rings.

Definition at line 61 of file MuRingForwardDoubleLayer.h.

References theRings.

{return theRings;}

void MuRingForwardDoubleLayer::selfTest

(

)

const

Definition at line 214 of file MuRingForwardDoubleLayer.cc.

References assert(), MuRingForwardLayer::basicComponents(), theBackLayer, and theFrontLayer.

Referenced by MuRingForwardDoubleLayer().

{
  const std::vector<const GeomDet*>& frontDets = theFrontLayer.basicComponents();
  const std::vector<const GeomDet*>& backDets = theBackLayer.basicComponents();

  std::vector<const GeomDet*>::const_iterator frontItr = frontDets.begin(),
                                              lastFront = frontDets.end(),
                                              backItr = backDets.begin(),
                                              lastBack = backDets.end();

  // test that each front z is less than each back z
  for( ; frontItr != lastFront; ++frontItr)
  {
    float frontz = fabs( (**frontItr).surface().position().z() );
    for( ; backItr != lastBack; ++backItr)
    {
      float backz = fabs( (**backItr).surface().position().z() );
      assert(frontz < backz);
    }
  }
}

virtual SubDetector MuRingForwardDoubleLayer::subDetector ( ) const

inlinevirtual

Definition at line 55 of file MuRingForwardDoubleLayer.h.

References MuRingForwardLayer::subDetector(), and theBackLayer.

{return theBackLayer.subDetector();}

Member Data Documentation

MuRingForwardLayer MuRingForwardDoubleLayer::theBackLayer

private

Definition at line 73 of file MuRingForwardDoubleLayer.h.

Referenced by backLayer(), compatible(), computeSurface(), groupedCompatibleDets(), isCrack(), selfTest(), and subDetector().

std::vector<const GeomDet*> MuRingForwardDoubleLayer::theBasicComponents

private

Definition at line 76 of file MuRingForwardDoubleLayer.h.

Referenced by basicComponents(), and MuRingForwardDoubleLayer().

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

private

Definition at line 75 of file MuRingForwardDoubleLayer.h.

Referenced by components(), and MuRingForwardDoubleLayer().

MuRingForwardLayer MuRingForwardDoubleLayer::theFrontLayer

private

Definition at line 72 of file MuRingForwardDoubleLayer.h.

Referenced by compatible(), computeSurface(), frontLayer(), groupedCompatibleDets(), and selfTest().

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

private

Definition at line 74 of file MuRingForwardDoubleLayer.h.

Referenced by MuRingForwardDoubleLayer(), and rings().