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#include <CosmicMuonUtilities.h>
Public Member Functions | |
| CosmicMuonUtilities () | |
| bool | isTraversing (const Trajectory &) const |
| std::string | print (const MuonRecHitContainer &) const |
| std::string | print (const ConstRecHitContainer &) const |
| std::string | print (const ConstMuonRecHitContainer &) const |
| void | reverseDirection (TrajectoryStateOnSurface &, const MagneticField *) const |
| TrajectoryStateOnSurface | stepPropagate (const TrajectoryStateOnSurface &, const ConstRecHitPointer &, const Propagator &) const |
| virtual | ~CosmicMuonUtilities () |
Definition at line 29 of file CosmicMuonUtilities.h.
| CosmicMuonUtilities::CosmicMuonUtilities | ( | ) |
Definition at line 24 of file CosmicMuonUtilities.cc.
{
}
| CosmicMuonUtilities::~CosmicMuonUtilities | ( | ) | [virtual] |
Definition at line 31 of file CosmicMuonUtilities.cc.
{
}
| bool CosmicMuonUtilities::isTraversing | ( | const Trajectory & | t | ) | const |
Definition at line 133 of file CosmicMuonUtilities.cc.
References PV3DBase< T, PVType, FrameType >::mag(), PV3DBase< T, PVType, FrameType >::perp(), Trajectory::recHits(), PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().
{
TransientTrackingRecHit::ConstRecHitContainer hits = t.recHits();
if ( hits.empty() ) return false;
ConstRecHitContainer::const_iterator frontHit = hits.begin();
ConstRecHitContainer::const_iterator backHit = hits.end() - 1;
// find first valid hit at both ends of the trajectory
while ( !(*frontHit)->isValid() && frontHit != backHit) {++frontHit;}
while ( !(*backHit)->isValid() && backHit != frontHit) {--backHit;}
if ( frontHit == backHit ) return false;
GlobalPoint frontPos = (*frontHit)->globalPosition();
GlobalPoint backPos = (*backHit)->globalPosition();
// are there separate muon hits in 2 different hemispheres
GlobalVector deltaPos(frontPos - backPos);
if ( deltaPos.mag() < 100.0 ) return false;
if ( fabs(deltaPos.z() ) > 500.0 ) return true;
if ( deltaPos.perp() > 350.0 ) return true;
GlobalPoint middle((frontPos.x()+backPos.x())/2,
(frontPos.y()+backPos.y())/2,
(frontPos.z()+backPos.z())/2);
return ( (middle.perp() < frontPos.perp()) && (middle.perp() < backPos.perp()) );
}
| string CosmicMuonUtilities::print | ( | const ConstMuonRecHitContainer & | hits | ) | const |
Definition at line 52 of file CosmicMuonUtilities.cc.
References convertSQLitetoXML_cfg::output, PV3DBase< T, PVType, FrameType >::perp(), and pos.
{
stringstream output;
for (ConstMuonRecHitContainer::const_iterator ir = hits.begin(); ir != hits.end(); ir++ ) {
if ( !(*ir)->isValid() ) {
output << "invalid RecHit"<<endl;
continue;
}
const GlobalPoint& pos = (*ir)->globalPosition();
output
<< "pos"<<pos
<< "radius "<<pos.perp()
<< " dim " << (*ir)->dimension()
<< " det " << (*ir)->det()->geographicalId().det()
<< " sub det " << (*ir)->det()->subDetector()<<endl;
}
return output.str();
}
| string CosmicMuonUtilities::print | ( | const MuonRecHitContainer & | hits | ) | const |
Definition at line 79 of file CosmicMuonUtilities.cc.
References convertSQLitetoXML_cfg::output, PV3DBase< T, PVType, FrameType >::perp(), and pos.
{
stringstream output;
for (MuonRecHitContainer::const_iterator ir = hits.begin(); ir != hits.end(); ir++ ) {
if ( !(*ir)->isValid() ) {
output << "invalid RecHit"<<endl;
continue;
}
const GlobalPoint& pos = (*ir)->globalPosition();
output
<< "pos"<<pos
<< "radius "<<pos.perp()
<< " dim " << (*ir)->dimension()
<< " det " << (*ir)->det()->geographicalId().det()
<< " sub det " << (*ir)->det()->subDetector()<<endl;
}
return output.str();
}
| string CosmicMuonUtilities::print | ( | const ConstRecHitContainer & | hits | ) | const |
Definition at line 106 of file CosmicMuonUtilities.cc.
References convertSQLitetoXML_cfg::output, PV3DBase< T, PVType, FrameType >::perp(), and pos.
{
stringstream output;
for (TransientTrackingRecHit::ConstRecHitContainer::const_iterator ir = hits.begin(); ir != hits.end(); ir++ ) {
if ( !(*ir)->isValid() ) {
output << "invalid RecHit"<<endl;
continue;
}
const GlobalPoint& pos = (*ir)->globalPosition();
output
<< "pos"<<pos
<< "radius "<<pos.perp()
<< " dim " << (*ir)->dimension()
<< " det " << (*ir)->det()->geographicalId().det()
<< " sub det " << (*ir)->det()->subDetector()<<endl;
}
return output.str();
}
| void CosmicMuonUtilities::reverseDirection | ( | TrajectoryStateOnSurface & | tsos, |
| const MagneticField * | mgfield | ||
| ) | const |
Definition at line 35 of file CosmicMuonUtilities.cc.
References TrajectoryStateOnSurface::cartesianError(), TrajectoryStateOnSurface::charge(), TrajectoryStateOnSurface::globalMomentum(), TrajectoryStateOnSurface::globalPosition(), and TrajectoryStateOnSurface::surface().
Referenced by CosmicMuonTrajectoryBuilder::estimateDirection(), CosmicMuonTrajectoryBuilder::flipTrajectory(), and CosmicMuonSmoother::initialState().
{
GlobalTrajectoryParameters gtp(tsos.globalPosition(),
-tsos.globalMomentum(),
-tsos.charge(),
mgfield);
TrajectoryStateOnSurface newTsos(gtp, tsos.cartesianError(), tsos.surface());
tsos = newTsos;
return;
}
| TrajectoryStateOnSurface CosmicMuonUtilities::stepPropagate | ( | const TrajectoryStateOnSurface & | tsos, |
| const ConstRecHitPointer & | hit, | ||
| const Propagator & | prop | ||
| ) | const |
Definition at line 168 of file CosmicMuonUtilities.cc.
References alignmentValidation::dest, TrajectoryStateOnSurface::globalPosition(), TrajectoryStateOnSurface::isValid(), LogTrace, PV3DBase< T, PVType, FrameType >::mag(), metname, PlaneBuilder::plane(), pos, Propagator::propagate(), cmsPerfSuiteHarvest::steps, Vector3DBase< T, FrameTag >::unit(), PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().
Referenced by CosmicMuonSmoother::fit(), and CosmicMuonSmoother::smooth().
{
const std::string metname = "Muon|RecoMuon|CosmicMuonUtilities";
GlobalPoint start = tsos.globalPosition();
GlobalPoint dest = hit->globalPosition();
GlobalVector StepVector = dest - start;
GlobalVector UnitStepVector = StepVector.unit();
GlobalPoint GP =start;
TrajectoryStateOnSurface currTsos(tsos);
TrajectoryStateOnSurface predTsos;
float totalDis = StepVector.mag();
LogTrace(metname)<<"stepPropagate: propagate from: "<<start<<" to "<<dest;
LogTrace(metname)<<"stepPropagate: their distance: "<<totalDis;
int steps = 3; // need to optimize
float oneStep = totalDis/steps;
Basic3DVector<float> Basic3DV(StepVector.x(),StepVector.y(),StepVector.z());
for ( int istep = 0 ; istep < steps - 1 ; istep++) {
GP += oneStep*UnitStepVector;
Surface::PositionType pos(GP.x(),GP.y(),GP.z());
LogTrace(metname)<<"stepPropagate: a middle plane: "<<pos<<endl;
Surface::RotationType rot( Basic3DV , float(0));
PlaneBuilder::ReturnType SteppingPlane = PlaneBuilder().plane(pos,rot);
TrajectoryStateOnSurface predTsos = prop.propagate(currTsos, *SteppingPlane);
if (predTsos.isValid()) {
currTsos=predTsos;
LogTrace(metname)<<"stepPropagate: middle state "<< currTsos.globalPosition()<<endl;
}
}
predTsos = prop.propagate(currTsos, hit->det()->surface());
return predTsos;
}
1.7.3