TrackingRecHitLessFromGlobalPosition Class Reference

#include <TrackingRecHitLessFromGlobalPosition.h>

Public Member Functions
bool	operator() (const TrackingRecHit &a, const TrackingRecHit &b) const
	TrackingRecHitLessFromGlobalPosition (const TrackingGeometry *geometry_, PropagationDirection dir=alongMomentum)

Private Member Functions
bool	barrelForwardLess (const TrackingRecHit &a, const TrackingRecHit &b) const
bool	insideOutLess (const TrackingRecHit &a, const TrackingRecHit &b) const

Private Attributes
const TrackingGeometry *	geometry
PropagationDirection	theDir

Detailed Description

Defines order of layers in the Tracker as seen by straight tracks coming from the interaction region.

Definition at line 15 of file TrackingRecHitLessFromGlobalPosition.h.

Constructor & Destructor Documentation

TrackingRecHitLessFromGlobalPosition::TrackingRecHitLessFromGlobalPosition ( const TrackingGeometry *  geometry_, PropagationDirection  dir = alongMomentum  )

inline

Definition at line 18 of file TrackingRecHitLessFromGlobalPosition.h.

                                                                                                                      :
    geometry(geometry_), theDir(dir){  }

Member Function Documentation

bool TrackingRecHitLessFromGlobalPosition::barrelForwardLess ( const TrackingRecHit &  a, const TrackingRecHit &  b  ) const

private

Definition at line 58 of file TrackingRecHitLessFromGlobalPosition.cc.

References abs, TrackingRecHit::geographicalId(), geometry, TrackingGeometry::idToDet(), TrackingRecHit::localPosition(), GeomDet::surface(), Surface::toGlobal(), and detailsBasic3DVector::z.

Referenced by insideOutLess().

                                                                                                                    {
  //
  // for the moment sort again in z, but since the z in the barrel is wrong (it is in the centre of the module)
  // add the semi length
  //
  DetId ida(a.geographicalId());
  DetId idb(b.geographicalId());
  return  static_cast<unsigned int>(std::abs( geometry->idToDet(ida)->surface().toGlobal(a.localPosition()).z()) * 1E7) < static_cast<unsigned int>(std::abs( geometry->idToDet(idb)->surface().toGlobal(b.localPosition()).z()) * 1E7);
}

bool TrackingRecHitLessFromGlobalPosition::insideOutLess ( const TrackingRecHit &  a, const TrackingRecHit &  b  ) const

private

Definition at line 7 of file TrackingRecHitLessFromGlobalPosition.cc.

References abs, barrelForwardLess(), edm::hlt::Exception, TrackingRecHit::geographicalId(), geometry, TrackingGeometry::idToDet(), TrackingRecHit::localPosition(), perp(), PixelSubdetector::PixelBarrel, PixelSubdetector::PixelEndcap, GeomDet::surface(), StripSubdetector::TEC, StripSubdetector::TIB, StripSubdetector::TID, StripSubdetector::TOB, Surface::toGlobal(), and detailsBasic3DVector::z.

Referenced by operator()().

                                                                                                                {
  
  DetId ida(a.geographicalId());
  DetId idb(b.geographicalId());

  unsigned int idetA = static_cast<unsigned int>(ida.subdetId());
  unsigned int idetB = static_cast<unsigned int>(idb.subdetId());

  //check for mixed case...
  bool same_det = ( 
           (idetA == StripSubdetector::TIB && idetB == StripSubdetector::TIB) ||
           (idetA == StripSubdetector::TID && idetB == StripSubdetector::TID) ||
           (idetA == StripSubdetector::TIB && idetB == StripSubdetector::TID) ||
           (idetA == StripSubdetector::TID && idetB == StripSubdetector::TIB) ||

           (idetA == StripSubdetector::TOB && idetB == StripSubdetector::TOB) ||
           (idetA == StripSubdetector::TEC && idetB == StripSubdetector::TEC) ||
           (idetA == StripSubdetector::TOB && idetB == StripSubdetector::TEC) ||
           (idetA == StripSubdetector::TEC && idetB == StripSubdetector::TOB) ||

           (idetA == PixelSubdetector::PixelBarrel && idetB == PixelSubdetector::PixelBarrel) ||
           (idetA == PixelSubdetector::PixelEndcap && idetB == PixelSubdetector::PixelEndcap) ||
           (idetA == PixelSubdetector::PixelBarrel && idetB == PixelSubdetector::PixelEndcap) ||
           (idetA == PixelSubdetector::PixelEndcap && idetB == PixelSubdetector::PixelBarrel) );

  if (!same_det) return (idetA < idetB);

  if( (idetA == StripSubdetector::TIB || idetA == StripSubdetector::TOB || idetA == PixelSubdetector::PixelBarrel) &&
      (idetB == StripSubdetector::TIB || idetB == StripSubdetector::TOB || idetB == PixelSubdetector::PixelBarrel)) {  
    return  static_cast<unsigned int>(geometry->idToDet(ida)->surface().toGlobal(a.localPosition()).perp() * 1E7) < static_cast<unsigned int>(geometry->idToDet(idb)->surface().toGlobal(b.localPosition()).perp() * 1E7);
  }
  
  if( (idetA == StripSubdetector::TEC || idetA == StripSubdetector::TID || idetA == PixelSubdetector::PixelEndcap) &&
      (idetB == StripSubdetector::TEC || idetB == StripSubdetector::TID || idetB == PixelSubdetector::PixelEndcap)) {  
    return static_cast<unsigned int>(std::abs(geometry->idToDet(ida)->surface().toGlobal(a.localPosition()).z()) * 1E7) < static_cast<unsigned int>(std::abs(geometry->idToDet(idb)->surface().toGlobal(b.localPosition()).z()) * 1E7);
  }
  
  //
  //  here I have 1 barrel against one forward
  //
  
  if( (idetA == StripSubdetector::TIB || idetA == StripSubdetector::TOB || idetA == PixelSubdetector::PixelBarrel) &&
      (idetB == StripSubdetector::TEC || idetB == StripSubdetector::TID || idetB == PixelSubdetector::PixelEndcap)) {
    return barrelForwardLess( a, b);
  }else{
    return !barrelForwardLess( b, a);
  }
  
  throw cms::Exception("TrackingRecHitLessFromGlobalPosition", "Arguments are not Ok");
}

bool TrackingRecHitLessFromGlobalPosition::operator() ( const TrackingRecHit &  a, const TrackingRecHit &  b  ) const

inline

Definition at line 22 of file TrackingRecHitLessFromGlobalPosition.h.

References alongMomentum, insideOutLess(), and theDir.

                                                                           {
    if (theDir == alongMomentum) return insideOutLess( a, b);
    else return insideOutLess( b, a);
  }

Member Data Documentation

const TrackingGeometry* TrackingRecHitLessFromGlobalPosition::geometry

private

Definition at line 34 of file TrackingRecHitLessFromGlobalPosition.h.

Referenced by barrelForwardLess(), insideOutLess(), and Vispa.Gui.ConnectableWidget.ConnectableWidget::leaveEvent().

PropagationDirection TrackingRecHitLessFromGlobalPosition::theDir

private

Definition at line 35 of file TrackingRecHitLessFromGlobalPosition.h.

Referenced by operator()().