tkDetUtil Namespace Reference

Functions
float	calculatePhiWindow (const MeasurementEstimator::Local2DVector &maxDistance, const TrajectoryStateOnSurface &ts, const Plane &plane)
float	computeWindowSize (const GeomDet *det, const TrajectoryStateOnSurface &tsos, const MeasurementEstimator &est)
bool	overlapInPhi (float phi, const GeomDet &det, float phiWindow)
bool	overlapInPhi (GlobalPoint crossPoint, const GeomDet &det, float phiWindow)

Function Documentation

float tkDetUtil::calculatePhiWindow	(	const MeasurementEstimator::Local2DVector &	maxDistance,
		const TrajectoryStateOnSurface &	ts,
		const Plane &	plane
	)

Definition at line 22 of file TkDetUtil.cc.

References PV3DBase< T, PVType, FrameType >::barePhi(), i, TrajectoryStateOnSurface::localPosition(), Geom::phiLess(), phimax, phimin, Geom::pi(), dqm_diff::start, Surface::toGlobal(), PV2DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::x(), PV2DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::y().

Referenced by computeWindowSize().

  {
    
    LocalPoint start = ts.localPosition();
    float corners[]  =  { plane.toGlobal(LocalPoint( start.x()+maxDistance.x(), start.y()+maxDistance.y() )).barePhi(),
              plane.toGlobal(LocalPoint( start.x()-maxDistance.x(), start.y()+maxDistance.y() )).barePhi(),
              plane.toGlobal(LocalPoint( start.x()-maxDistance.x(), start.y()-maxDistance.y() )).barePhi(),
              plane.toGlobal(LocalPoint( start.x()+maxDistance.x(), start.y()-maxDistance.y() )).barePhi() 
    };
    
    float phimin = corners[0];
    float phimax = phimin;
    for ( int i = 1; i<4; i++) {
      float cPhi = corners[i];
      if ( Geom::phiLess(cPhi, phimin) ) { phimin = cPhi; }
      if ( Geom::phiLess( phimax, cPhi) ) { phimax = cPhi; }
    }
    float phiWindow = phimax - phimin;
    if ( phiWindow < 0.) { phiWindow +=  2.*Geom::pi();}
    
    return phiWindow;
  }

float tkDetUtil::computeWindowSize	(	const GeomDet *	det,
		const TrajectoryStateOnSurface &	tsos,
		const MeasurementEstimator &	est
	)

Definition at line 10 of file TkDetUtil.cc.

References calculatePhiWindow(), MeasurementEstimator::maximalLocalDisplacement(), and GeomDet::surface().

Referenced by TECLayer::groupedCompatibleDetsV().

  {
    const Plane& startPlane = det->surface();  
    MeasurementEstimator::Local2DVector maxDistance = 
      est.maximalLocalDisplacement( tsos, startPlane);
    return calculatePhiWindow( maxDistance, tsos, startPlane);
  }

bool tkDetUtil::overlapInPhi ( float  phi, const GeomDet &  det, float  phiWindow  )

inline

Definition at line 19 of file TkDetUtil.h.

References Surface::phiSpan(), rangesIntersect(), and GeomDet::surface().

Referenced by overlapInPhi().

                                                                      {
    std::pair<float,float> phiRange(phi-phiWindow, phi+phiWindow);
    return rangesIntersect( phiRange, det.surface().phiSpan(), PhiLess());
  }

bool tkDetUtil::overlapInPhi ( GlobalPoint  crossPoint, const GeomDet &  det, float  phiWindow  )

inline

Definition at line 26 of file TkDetUtil.h.

References PV3DBase< T, PVType, FrameType >::barePhi(), and overlapInPhi().

                                                                                  {
    return overlapInPhi(crossPoint.barePhi(), det,phiWindow);
  }