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#include <MuonCSCChamberResidual.h>
Public Member Functions | |
| virtual void | addResidual (const TrajectoryStateOnSurface *tsos, const TransientTrackingRecHit *hit) |
| MuonCSCChamberResidual (edm::ESHandle< GlobalTrackingGeometry > globalGeometry, AlignableNavigator *navigator, DetId chamberId, AlignableDetOrUnitPtr chamberAlignable) | |
| virtual void | setSegmentResidual (const reco::MuonChamberMatch *, const reco::MuonSegmentMatch *) |
Implementation of muon chamber residuals for CSC
Definition at line 13 of file MuonCSCChamberResidual.h.
| MuonCSCChamberResidual::MuonCSCChamberResidual | ( | edm::ESHandle< GlobalTrackingGeometry > | globalGeometry, |
| AlignableNavigator * | navigator, | ||
| DetId | chamberId, | ||
| AlignableDetOrUnitPtr | chamberAlignable | ||
| ) |
Definition at line 9 of file MuonCSCChamberResidual.cc.
References MuonChamberResidual::kCSC, MuonChamberResidual::m_chamberId, MuonChamberResidual::m_globalGeometry, MuonChamberResidual::m_sign, and MuonChamberResidual::m_type.
: MuonHitsChamberResidual(globalGeometry, navigator, chamberId, chamberAlignable) { m_type = MuonChamberResidual::kCSC; align::GlobalVector zDirection(0., 0., 1.); m_sign = m_globalGeometry->idToDet(m_chamberId)->toLocal(zDirection).z() > 0. ? 1. : -1.; }
| void MuonCSCChamberResidual::addResidual | ( | const TrajectoryStateOnSurface * | tsos, |
| const TransientTrackingRecHit * | hit | ||
| ) | [virtual] |
Implements MuonChamberResidual.
Definition at line 19 of file MuonCSCChamberResidual.cc.
References angle(), funct::cos(), TrackingRecHit::geographicalId(), CSCLayer::geometry(), CSCGeometry::layer(), TrackingRecHit::localPosition(), TrajectoryStateOnSurface::localPosition(), TrackingRecHit::localPositionError(), MuonChamberResidual::m_chamberAlignable, MuonChamberResidual::m_globalGeometry, MuonHitsChamberResidual::m_hitx_1, MuonHitsChamberResidual::m_hitx_x, MuonHitsChamberResidual::m_hitx_xx, MuonHitsChamberResidual::m_hitx_xy, MuonHitsChamberResidual::m_hitx_y, MuonHitsChamberResidual::m_hity_1, MuonHitsChamberResidual::m_hity_x, MuonHitsChamberResidual::m_hity_xx, MuonHitsChamberResidual::m_hity_xy, MuonHitsChamberResidual::m_hity_y, MuonChamberResidual::m_individual_weight, MuonChamberResidual::m_individual_x, MuonChamberResidual::m_individual_y, MuonChamberResidual::m_localIDs, MuonChamberResidual::m_localResids, MuonChamberResidual::m_numHits, M_PI, MuonHitsChamberResidual::m_residual_1, MuonHitsChamberResidual::m_residual_x, MuonHitsChamberResidual::m_residual_xx, MuonHitsChamberResidual::m_residual_xy, MuonHitsChamberResidual::m_residual_y, MuonHitsChamberResidual::m_trackx_1, MuonHitsChamberResidual::m_trackx_x, MuonHitsChamberResidual::m_trackx_xx, MuonHitsChamberResidual::m_trackx_xy, MuonHitsChamberResidual::m_trackx_y, MuonHitsChamberResidual::m_tracky_1, MuonHitsChamberResidual::m_tracky_x, MuonHitsChamberResidual::m_tracky_xx, MuonHitsChamberResidual::m_tracky_xy, MuonHitsChamberResidual::m_tracky_y, CSCLayerGeometry::nearestStrip(), MuonChamberResidual::residual(), MuonHitsChamberResidual::segment_fit(), funct::sin(), strip(), CSCLayerGeometry::stripAngle(), CommonMethods::weight(), PV3DBase< T, PVType, FrameType >::x(), LocalError::xx(), LocalError::xy(), xy(), PV3DBase< T, PVType, FrameType >::y(), LocalError::yy(), and PV3DBase< T, PVType, FrameType >::z().
{
DetId id = hit->geographicalId();
const CSCGeometry *cscGeometry = dynamic_cast<const CSCGeometry*>(m_globalGeometry->slaveGeometry(id));
assert(cscGeometry);
align::LocalPoint hitChamberPos = m_chamberAlignable->surface().toLocal(m_globalGeometry->idToDet(id)->toGlobal(hit->localPosition()));
align::LocalPoint tsosChamberPos = m_chamberAlignable->surface().toLocal(m_globalGeometry->idToDet(id)->toGlobal(tsos->localPosition()));
int strip = cscGeometry->layer(id)->geometry()->nearestStrip(hit->localPosition());
double angle = cscGeometry->layer(id)->geometry()->stripAngle(strip) - M_PI/2.;
double sinAngle = sin(angle);
double cosAngle = cos(angle);
double residual = cosAngle * (tsosChamberPos.x() - hitChamberPos.x()) + sinAngle * (tsosChamberPos.y() - hitChamberPos.y()); // yes, that's +sin()
double xx = hit->localPositionError().xx();
double xy = hit->localPositionError().xy();
double yy = hit->localPositionError().yy();
double weight = 1. / (xx*cosAngle*cosAngle + 2.*xy*sinAngle*cosAngle + yy*sinAngle*sinAngle);
double layerPosition = tsosChamberPos.z(); // the layer's position in the chamber's coordinate system
double layerHitPos = hitChamberPos.z();
m_numHits++;
// "x" is the layerPosition, "y" is the residual (this is a linear fit to residual versus layerPosition)
m_residual_1 += weight;
m_residual_x += weight * layerPosition;
m_residual_y += weight * residual;
m_residual_xx += weight * layerPosition * layerPosition;
m_residual_xy += weight * layerPosition * residual;
// "x" is the layerPosition, "y" is chamberx (this is a linear fit to chamberx versus layerPosition)
m_trackx_1 += weight;
m_trackx_x += weight * layerPosition;
m_trackx_y += weight * tsosChamberPos.x();
m_trackx_xx += weight * layerPosition * layerPosition;
m_trackx_xy += weight * layerPosition * tsosChamberPos.x();
// "x" is the layerPosition, "y" is chambery (this is a linear fit to chambery versus layerPosition)
m_tracky_1 += weight;
m_tracky_x += weight * layerPosition;
m_tracky_y += weight * tsosChamberPos.y();
m_tracky_xx += weight * layerPosition * layerPosition;
m_tracky_xy += weight * layerPosition * tsosChamberPos.y();
m_hitx_1 += weight;
m_hitx_x += weight * layerHitPos;
m_hitx_y += weight * hitChamberPos.x();
m_hitx_xx += weight * layerHitPos * layerHitPos;
m_hitx_xy += weight * layerHitPos * hitChamberPos.x();
m_hity_1 += weight;
m_hity_x += weight * layerHitPos;
m_hity_y += weight * hitChamberPos.y();
m_hity_xx += weight * layerHitPos * layerHitPos;
m_hity_xy += weight * layerHitPos * hitChamberPos.y();
m_localIDs.push_back(id);
m_localResids.push_back(residual);
m_individual_x.push_back(layerPosition);
m_individual_y.push_back(residual);
m_individual_weight.push_back(weight);
if (m_numHits>1) segment_fit();
}
| virtual void MuonCSCChamberResidual::setSegmentResidual | ( | const reco::MuonChamberMatch * | , |
| const reco::MuonSegmentMatch * | |||
| ) | [inline, virtual] |
1.7.3