#include <TkGluedMeasurementDet.h>

Inheritance diagram for TkGluedMeasurementDet:

Classes
class	HitCollectorForFastMeasurements

class	HitCollectorForRecHits

Public Member Functions
virtual std::vector < TrajectoryMeasurement >	fastMeasurements (const TrajectoryStateOnSurface &stateOnThisDet, const TrajectoryStateOnSurface &startingState, const Propagator &, const MeasurementEstimator &) const

bool	hasBadComponents (const TrajectoryStateOnSurface &tsos) const
	return TRUE if at least one of the mono and stereo components has badChannels More...

bool	isActive () const
	return TRUE if both mono and stereo components are active More...

const TkStripMeasurementDet *	monoDet () const

template<typename Collector >
void	projectOnGluedDet (Collector &collector, const RecHitContainer &hits, const GlobalVector &gdir) const

virtual RecHitContainer	recHits (const TrajectoryStateOnSurface &) const

const GluedGeomDet &	specificGeomDet () const

const TkStripMeasurementDet *	stereoDet () const

	TkGluedMeasurementDet (const GluedGeomDet gdet, const SiStripRecHitMatcher matcher, const MeasurementDet monoDet, const MeasurementDet stereoDet)

Public Member Functions inherited from MeasurementDet
virtual const GeomDet &	geomDet () const

	MeasurementDet (const GeomDet *gdet)

const Surface::PositionType &	position () const

const BoundSurface &	surface () const

Private Member Functions
void	checkHitProjection (const TransientTrackingRecHit &hit, const TrajectoryStateOnSurface &ts, const GeomDet &det) const

void	checkProjection (const TrajectoryStateOnSurface &ts, const RecHitContainer &monoHits, const RecHitContainer &stereoHits) const

template<typename Collector >
void	collectRecHits (const TrajectoryStateOnSurface &, Collector &coll) const

template<typename Collector >
void	doubleMatch (const TrajectoryStateOnSurface &ts, Collector &collector) const

RecHitContainer	projectOnGluedDet (const RecHitContainer &hits, const TrajectoryStateOnSurface &ts) const

template<typename HitCollector >
void	projectOnGluedDet (HitCollector &collector, const RecHitContainer &hits, const GlobalVector &gdir) const

bool	testStrips (const TrajectoryStateOnSurface &tsos, const BoundPlane &gluedPlane, const TkStripMeasurementDet &mdet) const
	Test the strips on one of the two dets with projection. More...

Private Attributes
const GluedGeomDet *	theGeomDet

const SiStripRecHitMatcher *	theMatcher

const TkStripMeasurementDet *	theMonoDet

const TkStripMeasurementDet *	theStereoDet

Additional Inherited Members
Public Types inherited from MeasurementDet
typedef TransientTrackingRecHit::ConstRecHitContainer	RecHitContainer

Detailed Description

Definition at line 14 of file TkGluedMeasurementDet.h.

Constructor & Destructor Documentation

TkGluedMeasurementDet::TkGluedMeasurementDet	(	const GluedGeomDet *	gdet,
		const SiStripRecHitMatcher *	matcher,
		const MeasurementDet *	monoDet,
		const MeasurementDet *	stereoDet
	)

Definition at line 22 of file TkGluedMeasurementDet.cc.

References theMonoDet, and theStereoDet.

                                                            :
   MeasurementDet(gdet), theGeomDet(gdet), 
   theMatcher(matcher), 
   theMonoDet( dynamic_cast<const TkStripMeasurementDet *>(monoDet)), 
   theStereoDet( dynamic_cast<const TkStripMeasurementDet *>(stereoDet))
 {
   if ((theMonoDet == 0) || (theStereoDet == 0)) {
     throw MeasurementDetException("TkGluedMeasurementDet ERROR: Trying to glue a det which is not a TkStripMeasurementDet");
   }
   
 }

Member Function Documentation

void TkGluedMeasurementDet::checkHitProjection	(	const TransientTrackingRecHit &	hit,
		const TrajectoryStateOnSurface &	ts,
		const GeomDet &	det
	)		const

private

Definition at line 197 of file TkGluedMeasurementDet.cc.

References gather_cfg::cout, prof2calltree::cutoff, TrajectoryStateOnSurface::localError(), TrajectoryStateOnSurface::localPosition(), mag(), max(), LocalTrajectoryError::positionError(), TrackingRecHitProjector< ResultingHit >::project(), RecHitPropagator::propagate(), GeomDet::surface(), LocalError::xx(), LocalError::xy(), and LocalError::yy().

Referenced by checkProjection().

 {
   TrackingRecHitProjector<ProjectedRecHit2D> proj;
   TransientTrackingRecHit::RecHitPointer projectedHit = proj.project( hit, det, ts);
 
   RecHitPropagator prop;
   TrajectoryStateOnSurface propState = prop.propagate( hit, det.surface(), ts);
 
   if ((projectedHit->localPosition()-propState.localPosition()).mag() > 0.0001) {
     cout << "PROBLEM: projected and propagated hit positions differ by " 
      << (projectedHit->localPosition()-propState.localPosition()).mag() << endl;
   }
 
   LocalError le1 = projectedHit->localPositionError();
   LocalError le2 = propState.localError().positionError();
   double eps = 1.e-5;
   double cutoff = 1.e-4; // if element below cutoff, use absolute instead of relative accuracy
   double maxdiff = std::max( std::max( fabs(le1.xx() - le2.xx())/(cutoff+le1.xx()),
                        fabs(le1.xy() - le2.xy())/(cutoff+fabs(le1.xy()))),
                  fabs(le1.yy() - le2.yy())/(cutoff+le1.xx()));  
   if (maxdiff > eps) { 
     cout << "PROBLEM: projected and propagated hit errors differ by " 
      << maxdiff << endl;
   }
   
 }

void TkGluedMeasurementDet::checkProjection	(	const TrajectoryStateOnSurface &	ts,
		const RecHitContainer &	monoHits,
		const RecHitContainer &	stereoHits
	)		const

private

Definition at line 185 of file TkGluedMeasurementDet.cc.

References checkHitProjection(), MeasurementDet::geomDet(), and i.

 {
   for (RecHitContainer::const_iterator i=monoHits.begin(); i != monoHits.end(); ++i) {
     checkHitProjection( **i, ts, geomDet());
   }
   for (RecHitContainer::const_iterator i=stereoHits.begin(); i != stereoHits.end(); ++i) {
     checkHitProjection( **i, ts, geomDet());
   }
 }

template<typename Collector >

void TkGluedMeasurementDet::collectRecHits	(	const TrajectoryStateOnSurface &	ts,
		Collector &	coll
	)		const

private

Definition at line 59 of file TkGluedMeasurementDet.cc.

References TrajectoryStateOnSurface::globalParameters(), TrajectoryStateOnSurface::isValid(), TrajectoryStateOnSurface::localDirection(), SiStripRecHitMatcher::match(), GlobalTrajectoryParameters::momentum(), MeasurementDet::position(), projectOnGluedDet(), TkStripMeasurementDet::recHits(), TkStripMeasurementDet::simpleRecHits(), specificGeomDet(), MeasurementDet::surface(), theMatcher, theMonoDet, theStereoDet, and GloballyPositioned< T >::toLocal().

Referenced by fastMeasurements(), and recHits().

 {
   //------ WARNING: here ts is used as it is on the mono/stereo surface.
   //-----           A further propagation is necessary.
   //-----           To limit the problem, the SimpleCPE should be used
   RecHitContainer monoHits = theMonoDet->recHits( ts);
   GlobalVector glbDir = (ts.isValid() ? ts.globalParameters().momentum() : position()-GlobalPoint(0,0,0));
 
   //edm::LogWarning("TkGluedMeasurementDet::recHits") << "Query-for-detid-" << theGeomDet->geographicalId().rawId();
 
   //checkProjection(ts, monoHits, stereoHits);
 
   if (monoHits.empty()) {
       // make stereo TTRHs and project them
       projectOnGluedDet( collector, theStereoDet->recHits(ts), glbDir);
   } else {
       // collect simple stereo hits
       static std::vector<SiStripRecHit2D> simpleSteroHitsByValue;
       simpleSteroHitsByValue.clear();
       theStereoDet->simpleRecHits(ts, simpleSteroHitsByValue);
 
       if (simpleSteroHitsByValue.empty()) {
           projectOnGluedDet( collector, monoHits, glbDir);
       } else {
 
           LocalVector tkDir = (ts.isValid() ? ts.localDirection() : surface().toLocal( position()-GlobalPoint(0,0,0)));
           static SiStripRecHitMatcher::SimpleHitCollection vsStereoHits;
           vsStereoHits.resize(simpleSteroHitsByValue.size());
           std::transform(simpleSteroHitsByValue.begin(), simpleSteroHitsByValue.end(), vsStereoHits.begin(), take_address()); 
 
           // convert mono hits to type expected by matcher
           for (RecHitContainer::const_iterator monoHit = monoHits.begin();
                   monoHit != monoHits.end(); ++monoHit) {
               const TrackingRecHit* tkhit = (**monoHit).hit();
               const SiStripRecHit2D* verySpecificMonoHit = reinterpret_cast<const SiStripRecHit2D*>(tkhit);
               theMatcher->match( verySpecificMonoHit, vsStereoHits.begin(), vsStereoHits.end(), 
                       collector.collector(), &specificGeomDet(), tkDir);
 
               if (collector.hasNewMatchedHits()) {
                   collector.clearNewMatchedHitsFlag();
               } else {
                   collector.addProjected( **monoHit, glbDir );
               }
           } // loop on mono hit
       }
       //GIO// std::cerr << "TkGluedMeasurementDet hits " << monoHits.size() << "/" << stereoHits.size() << " => " << result.size() << std::endl;
   }
 }

template<typename Collector >

void TkGluedMeasurementDet::doubleMatch	(	const TrajectoryStateOnSurface &	ts,
		Collector &	collector
	)		const

private

std::vector< TrajectoryMeasurement > TkGluedMeasurementDet::fastMeasurements	(	const TrajectoryStateOnSurface &	stateOnThisDet,
		const TrajectoryStateOnSurface &	startingState,
		const Propagator &	,
		const MeasurementEstimator &
	)		const

virtual

faster version in case the TrajectoryState on the surface of the Det is already available. The first TrajectoryStateOnSurface is on the surface of this Det, and the second TrajectoryStateOnSurface is the statrting state, usually not on the surface of this Det. The stateOnThisDet should the result of
prop.propagate( startingState, this->surface())

Implements MeasurementDet.

Definition at line 110 of file TkGluedMeasurementDet.cc.

References InvalidTransientRecHit::build(), collectRecHits(), MeasurementDet::geomDet(), TkStripMeasurementDet::hasAllGoodChannels(), TrajectoryStateOnSurface::hasError(), TrackingRecHit::inactive, TkStripMeasurementDet::isActive(), query::result, python.multivaluedict::sort(), GeomDet::surface(), testStrips(), theMatcher, theMonoDet, and theStereoDet.

 {
    std::vector<TrajectoryMeasurement> result;
    if (theMonoDet->isActive() || theStereoDet->isActive()) {
 
       HitCollectorForFastMeasurements collector( &geomDet(), theMatcher, stateOnThisDet, est, result);
       collectRecHits(stateOnThisDet, collector);
        
       if ( result.empty()) {
           //LogDebug("TkStripMeasurementDet") << "No hit found on TkGlued. Testing strips...  ";
           const BoundPlane &gluedPlane = geomDet().surface();
           if (  // sorry for the big IF, but I want to exploit short-circuiting of logic
                stateOnThisDet.hasError() && ( /* do this only if the state has uncertainties, otherwise it will throw 
                                                  (states without uncertainties are passed to this code from seeding */
                 (theMonoDet->isActive() && 
                     (theMonoDet->hasAllGoodChannels() || 
                        testStrips(stateOnThisDet,gluedPlane,*theMonoDet)
                     )
                 ) /*Mono OK*/ || 
                 (theStereoDet->isActive() && 
                     (theStereoDet->hasAllGoodChannels() || 
                        testStrips(stateOnThisDet,gluedPlane,*theStereoDet)
                     )
                 ) /*Stereo OK*/ 
                ) /* State has errors */
               ) {
               result.push_back( TrajectoryMeasurement( stateOnThisDet, 
                           InvalidTransientRecHit::build(&geomDet()), 0.F)); 
           } else {
               result.push_back( TrajectoryMeasurement(stateOnThisDet, 
                          InvalidTransientRecHit::build(&geomDet(), TrackingRecHit::inactive), 0.F));
           }
       } else {
           // sort results according to estimator value
           if ( result.size() > 1) {
               sort( result.begin(), result.end(), TrajMeasLessEstim());
           }
       }
    } else {
      //     LogDebug("TkStripMeasurementDet") << " DetID " << geomDet().geographicalId().rawId() << " (glued) fully inactive";
       result.push_back( TrajectoryMeasurement( stateOnThisDet, 
                InvalidTransientRecHit::build(&geomDet(), TrackingRecHit::inactive), 
                0.F));
    }
    return result;   
 
 }

bool TkGluedMeasurementDet::hasBadComponents ( const TrajectoryStateOnSurface & tsos ) const

inlinevirtual

return TRUE if at least one of the mono and stereo components has badChannels

Implements MeasurementDet.

Definition at line 38 of file TkGluedMeasurementDet.h.

References monoDet(), and stereoDet().

38 {

39 return (monoDet()->hasBadComponents(tsos) || stereoDet()->hasBadComponents(tsos));}

TkGluedMeasurementDet::monoDet

const TkStripMeasurementDet * monoDet() const

Definition: TkGluedMeasurementDet.h:31

TkGluedMeasurementDet::hasBadComponents

bool hasBadComponents(const TrajectoryStateOnSurface &tsos) const

return TRUE if at least one of the mono and stereo components has badChannels

Definition: TkGluedMeasurementDet.h:38

TkGluedMeasurementDet::stereoDet

const TkStripMeasurementDet * stereoDet() const

Definition: TkGluedMeasurementDet.h:32

bool TkGluedMeasurementDet::isActive ( ) const

inlinevirtual

return TRUE if both mono and stereo components are active

Implements MeasurementDet.

Definition at line 35 of file TkGluedMeasurementDet.h.

References TkStripMeasurementDet::isActive(), monoDet(), and stereoDet().

35 {return monoDet()->isActive() && stereoDet()->isActive(); }

TkGluedMeasurementDet::monoDet

const TkStripMeasurementDet * monoDet() const

Definition: TkGluedMeasurementDet.h:31

TkStripMeasurementDet::isActive

bool isActive() const

Is this module active in reconstruction? It must be both 'setActiveThisEvent' and 'setActive'...

Definition: TkStripMeasurementDet.h:67

TkGluedMeasurementDet::stereoDet

const TkStripMeasurementDet * stereoDet() const

Definition: TkGluedMeasurementDet.h:32

const TkStripMeasurementDet* TkGluedMeasurementDet::monoDet ( ) const

inline

Definition at line 31 of file TkGluedMeasurementDet.h.

References theMonoDet.

Referenced by hasBadComponents(), OnDemandMeasurementTracker::idToDet(), and isActive().

31 { return theMonoDet;}

TkGluedMeasurementDet::theMonoDet

const TkStripMeasurementDet * theMonoDet

Definition: TkGluedMeasurementDet.h:44

TkGluedMeasurementDet::RecHitContainer TkGluedMeasurementDet::projectOnGluedDet	(	const RecHitContainer &	hits,
		const TrajectoryStateOnSurface &	ts
	)		const

private

Definition at line 162 of file TkGluedMeasurementDet.cc.

References MeasurementDet::geomDet(), TrackingRecHitProjector< ResultingHit >::project(), and query::result.

Referenced by collectRecHits().

 {
   if (hits.empty()) return hits;
   TrackingRecHitProjector<ProjectedRecHit2D> proj;
   RecHitContainer result;
   for ( RecHitContainer::const_iterator ihit = hits.begin(); ihit!=hits.end(); ihit++) {
     result.push_back( proj.project( **ihit, geomDet(), ts));
   }
   return result;
 }

template<typename HitCollector >

void TkGluedMeasurementDet::projectOnGluedDet	(	HitCollector &	collector,
		const RecHitContainer &	hits,
		const GlobalVector &	gdir
	)		const

private

template<typename Collector >

void TkGluedMeasurementDet::projectOnGluedDet	(	Collector &	collector,
		const RecHitContainer &	hits,
		const GlobalVector &	gdir
	)		const

Definition at line 176 of file TkGluedMeasurementDet.cc.

 {
   for ( RecHitContainer::const_iterator ihit = hits.begin(); ihit!=hits.end(); ihit++) {
     collector.addProjected( **ihit, gdir );
   }
 }

TkGluedMeasurementDet::RecHitContainer TkGluedMeasurementDet::recHits ( const TrajectoryStateOnSurface & ts ) const

virtual

Implements MeasurementDet.

Definition at line 38 of file TkGluedMeasurementDet.cc.

References collectRecHits(), MeasurementDet::geomDet(), query::result, and theMatcher.

 {
 
   RecHitContainer result;
   HitCollectorForRecHits collector( &geomDet(), theMatcher, result );
   collectRecHits(ts, collector);
   return result;
 }

const GluedGeomDet& TkGluedMeasurementDet::specificGeomDet ( ) const

inline

Definition at line 23 of file TkGluedMeasurementDet.h.

References theGeomDet.

Referenced by collectRecHits().

23 {return *theGeomDet;}

TkGluedMeasurementDet::theGeomDet

const GluedGeomDet * theGeomDet

Definition: TkGluedMeasurementDet.h:42

const TkStripMeasurementDet* TkGluedMeasurementDet::stereoDet ( ) const

inline

Definition at line 32 of file TkGluedMeasurementDet.h.

References theStereoDet.

Referenced by hasBadComponents(), OnDemandMeasurementTracker::idToDet(), and isActive().

32 { return theStereoDet;}

TkGluedMeasurementDet::theStereoDet

const TkStripMeasurementDet * theStereoDet

Definition: TkGluedMeasurementDet.h:45

bool TkGluedMeasurementDet::testStrips	(	const TrajectoryStateOnSurface &	tsos,
		const BoundPlane &	gluedPlane,
		const TkStripMeasurementDet &	mdet
	)		const

private

Test the strips on one of the two dets with projection.

Definition at line 227 of file TkGluedMeasurementDet.cc.

References delta, Vector3DBase< T, FrameTag >::dot(), MeasurementDet::geomDet(), TrajectoryStateOnSurface::globalParameters(), TrajectoryStateOnSurface::globalPosition(), TrajectoryStateOnSurface::localError(), TrajectoryStateOnSurface::localPosition(), Plane::localZ(), Topology::measurementError(), Topology::measurementPosition(), GlobalTrajectoryParameters::momentum(), Plane::normalVector(), pos, LocalTrajectoryError::positionError(), LocalError::rotate(), TkStripMeasurementDet::specificGeomDet(), StripGeomDetUnit::specificTopology(), mathSSE::sqrt(), GeomDet::surface(), TkStripMeasurementDet::testStrips(), Surface::toGlobal(), GloballyPositioned< T >::toLocal(), MeasurementError::uu(), PV2DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::x(), LocalError::xx(), LocalError::xy(), PV3DBase< T, PVType, FrameType >::y(), LocalError::yy(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by fastMeasurements().

                                                                            {
    // from TrackingRecHitProjector
    const GeomDet &det = mdet.geomDet();
    const BoundPlane &stripPlane = det.surface();
 
    LocalPoint glp = tsos.localPosition();
    LocalError  err = tsos.localError().positionError();
    /*LogDebug("TkStripMeasurementDet") << 
       "Testing local pos glued: " << glp << 
       " local err glued: " << tsos.localError().positionError() << 
       " in? " << gluedPlane.bounds().inside(glp) <<
       " in(3s)? " << gluedPlane.bounds().inside(glp, err, 3.0f);*/
 
    GlobalVector gdir = tsos.globalParameters().momentum();
 
    LocalPoint  slp = stripPlane.toLocal(tsos.globalPosition()); 
    LocalVector sld = stripPlane.toLocal(gdir);
 
    double delta = stripPlane.localZ( tsos.globalPosition());
    LocalPoint pos = slp - sld * delta/sld.z();
 
 
    // now the error
    LocalVector hitXAxis = stripPlane.toLocal( gluedPlane.toGlobal( LocalVector(1,0,0)));
    if (stripPlane.normalVector().dot( gluedPlane.normalVector()) < 0) {
        // the two planes are inverted, and the correlation element must change sign
        err = LocalError( err.xx(), -err.xy(), err.yy());
    }
    LocalError rotatedError = err.rotate( hitXAxis.x(), hitXAxis.y());
 
    /* // This is probably meaningless 
    LogDebug("TkStripMeasurementDet") << 
       "Testing local pos on strip (SLP): " << slp << 
       " in? :" << stripPlane.bounds().inside(slp) <<
       " in(3s)? :" << stripPlane.bounds().inside(slp, rotatedError, 3.0f);
    // but it helps to test bugs in the formula for POS */
    /*LogDebug("TkStripMeasurementDet") << 
       "Testing local pos strip: " << pos << 
       " in? " << stripPlane.bounds().inside(pos) <<
       " in(3s)? " << stripPlane.bounds().inside(pos, rotatedError, 3.0f);*/
 
    // now we need to convert to MeasurementFrame
    const StripTopology &topo = mdet.specificGeomDet().specificTopology();
    float utraj = topo.measurementPosition(pos).x();
    float uerr  = std::sqrt(topo.measurementError(pos,rotatedError).uu());
    return mdet.testStrips(utraj, uerr);
 } 