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#include <StartingLayerFinder.h>
Definition at line 29 of file StartingLayerFinder.h.
typedef FreeTrajectoryState StartingLayerFinder::FTS [private] |
Definition at line 33 of file StartingLayerFinder.h.
typedef std::pair<float, float> StartingLayerFinder::Range [private] |
Definition at line 35 of file StartingLayerFinder.h.
typedef TrajectoryStateOnSurface StartingLayerFinder::TSOS [private] |
Definition at line 34 of file StartingLayerFinder.h.
| StartingLayerFinder::StartingLayerFinder | ( | const Propagator * | aPropagator, |
| const MeasurementTracker * | tracker | ||
| ) | [inline] |
Definition at line 39 of file StartingLayerFinder.h.
:
thePropagator(aPropagator),
theMeasurementTracker(tracker),
thePixelLayersValid(false),
theFirstPixelBarrelLayer(0),
theFirstNegPixelFwdLayer(0),
theFirstPosPixelFwdLayer(0) { }
| StartingLayerFinder::~StartingLayerFinder | ( | ) | [inline] |
Definition at line 48 of file StartingLayerFinder.h.
{}
| void StartingLayerFinder::checkPixelLayers | ( | ) | const [private] |
Definition at line 159 of file StartingLayerFinder.cc.
References GeometricSearchTracker::negPixelForwardLayers(), GeometricSearchTracker::pixelBarrelLayers(), and GeometricSearchTracker::posPixelForwardLayers().
{
if(!thePixelLayersValid) {
const GeometricSearchTracker* theGeometricSearchTracker=theMeasurementTracker->geometricSearchTracker();
theFirstPixelBarrelLayer = theGeometricSearchTracker->pixelBarrelLayers().front();
theFirstNegPixelFwdLayer = theGeometricSearchTracker->negPixelForwardLayers();
theFirstPosPixelFwdLayer = theGeometricSearchTracker->posPixelForwardLayers();
thePixelLayersValid = true;
}
}
| const vector< ForwardDetLayer * > StartingLayerFinder::firstNegPixelFwdLayer | ( | ) | const |
Definition at line 149 of file StartingLayerFinder.cc.
{
checkPixelLayers();
return theFirstNegPixelFwdLayer;
}
| const BarrelDetLayer * StartingLayerFinder::firstPixelBarrelLayer | ( | ) | const |
Definition at line 144 of file StartingLayerFinder.cc.
{
checkPixelLayers();
return theFirstPixelBarrelLayer;
}
| const vector< ForwardDetLayer * > StartingLayerFinder::firstPosPixelFwdLayer | ( | ) | const |
Definition at line 154 of file StartingLayerFinder.cc.
{
checkPixelLayers();
return theFirstPosPixelFwdLayer;
}
| const Propagator* StartingLayerFinder::propagator | ( | void | ) | const [inline] |
Definition at line 59 of file StartingLayerFinder.h.
References thePropagator.
{return thePropagator;}
| vector< const DetLayer * > StartingLayerFinder::startingLayers | ( | const TrajectorySeed & | aSeed | ) | const |
Definition at line 97 of file StartingLayerFinder.cc.
References GeomDetEnumerators::barrel, PTrajectoryStateOnDet::detId(), TrajectorySeed::direction(), GeomDetEnumerators::endcap, TrajectoryStateOnSurface::freeTrajectoryState(), TrackingRecHit::geographicalId(), DetLayer::location(), TrajectorySeed::nHits(), p1, p2, LargeD0_PixelPairStep_cff::propagator, TrajectorySeed::recHits(), TrajectorySeed::startingState(), GeomDet::surface(), and trajectoryStateTransform::transientState().
{
float dr = 0., dz = 0.;
if(propagator()->propagationDirection() != aSeed.direction())
return vector<const DetLayer*>();
if(aSeed.nHits() != 2) return vector<const DetLayer*>();
TrackingRecHitCollection::const_iterator firstHit= aSeed.recHits().first;
const TrackingRecHit* recHit1=&(*firstHit);
const DetLayer* hit1Layer = theMeasurementTracker->geometricSearchTracker()->detLayer(recHit1->geographicalId());
TrackingRecHitCollection::const_iterator secondHit= aSeed.recHits().second;
const TrackingRecHit* recHit2=&(*secondHit);
const DetLayer* hit2Layer = theMeasurementTracker->geometricSearchTracker()->detLayer(recHit2->geographicalId());
GeomDetEnumerators::Location p1 = hit1Layer->location();
GeomDetEnumerators::Location p2 = hit2Layer->location();
if(p1 == GeomDetEnumerators::barrel && p2 == GeomDetEnumerators::barrel) {
dr = 0.1; dz = 5.;
} else if(p1 == GeomDetEnumerators::endcap && p2 == GeomDetEnumerators::endcap) {
dr = 5.; dz = 0.1;
} else {
dr = 0.1; dz = 0.1;
}
const GeomDet* gdet = theMeasurementTracker->geomTracker()->idToDet( DetId( aSeed.startingState().detId()));
TrajectoryStateOnSurface tsos = trajectoryStateTransform::transientState( aSeed.startingState(), &(gdet->surface()),
thePropagator->magneticField());
FreeTrajectoryState* fts=tsos.freeTrajectoryState();
return startingLayers(*fts, dr, dz);
}
| vector< const DetLayer * > StartingLayerFinder::startingLayers | ( | const FTS & | aFts, |
| float | dr, | ||
| float | dz | ||
| ) | const |
Definition at line 20 of file StartingLayerFinder.cc.
References FreeTrajectoryState::parameters(), position, LargeD0_PixelPairStep_cff::propagator, rangesIntersect(), and z.
{
vector<const DetLayer*> mylayers;
mylayers.reserve(3);
FTS fastFts(aFts.parameters());
//barrel pixel
TSOS pTsos =
propagator()->propagate(fastFts, firstPixelBarrelLayer()->surface());
if(pTsos.isValid()) {
Range barrZRange(firstPixelBarrelLayer()->position().z() -
0.5*(firstPixelBarrelLayer()->surface().bounds().length()),
firstPixelBarrelLayer()->position().z() +
0.5*(firstPixelBarrelLayer()->surface().bounds().length()));
Range trajZRange(pTsos.globalPosition().z() - dz,
pTsos.globalPosition().z() + dz);
if(rangesIntersect(trajZRange, barrZRange)) {
mylayers.push_back(firstPixelBarrelLayer());
}
}
//negative fwd pixel
const vector<ForwardDetLayer*> nfwd = firstPosPixelFwdLayer();
for(vector<ForwardDetLayer*>::const_iterator infwd = nfwd.begin();
infwd != nfwd.end(); infwd++) {
pTsos = propagator()->propagate(fastFts, (*infwd)->surface());
if(pTsos.isValid()) {
Range nfwdRRange((*infwd)->specificSurface().innerRadius(),
(*infwd)->specificSurface().outerRadius());
Range trajRRange(pTsos.globalPosition().perp() - dr,
pTsos.globalPosition().perp() + dr);
if(rangesIntersect(trajRRange, nfwdRRange)) {
mylayers.push_back(*infwd);
}
}
}
//positive fwd pixel
const vector<ForwardDetLayer*> pfwd = firstPosPixelFwdLayer();
for(vector<ForwardDetLayer*>::const_iterator ipfwd = pfwd.begin();
ipfwd != pfwd.end(); ipfwd++) {
pTsos = propagator()->propagate(fastFts, (*ipfwd)->surface());
if(pTsos.isValid()) {
Range pfwdRRange((*ipfwd)->specificSurface().innerRadius(),
(*ipfwd)->specificSurface().outerRadius());
Range trajRRange(pTsos.globalPosition().perp() - dr,
pTsos.globalPosition().perp() + dr);
if(rangesIntersect(trajRRange, pfwdRRange)) {
mylayers.push_back(*ipfwd);
}
}
}
return mylayers;
}
std::vector<ForwardDetLayer*> StartingLayerFinder::theFirstNegPixelFwdLayer [mutable, private] |
Definition at line 69 of file StartingLayerFinder.h.
BarrelDetLayer* StartingLayerFinder::theFirstPixelBarrelLayer [mutable, private] |
Definition at line 68 of file StartingLayerFinder.h.
std::vector<ForwardDetLayer*> StartingLayerFinder::theFirstPosPixelFwdLayer [mutable, private] |
Definition at line 70 of file StartingLayerFinder.h.
const MeasurementTracker* StartingLayerFinder::theMeasurementTracker [private] |
Definition at line 66 of file StartingLayerFinder.h.
bool StartingLayerFinder::thePixelLayersValid [mutable, private] |
Definition at line 67 of file StartingLayerFinder.h.
const Propagator* StartingLayerFinder::thePropagator [private] |
Definition at line 65 of file StartingLayerFinder.h.
Referenced by propagator().
1.7.3