TrackingRecHitLessFromGlobalPosition Class Reference

#include <TrackingRecHitLessFromGlobalPosition.h>

List of all members.

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

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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.

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Constructor & Destructor Documentation

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

Definition at line 18 of file TrackingRecHitLessFromGlobalPosition.h.

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

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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 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(), TrackingRecHit::geographicalId(), geometry, TrackingGeometry::idToDet(), TrackingRecHit::localPosition(), perp(), PixelSubdetector::PixelBarrel, GeomDetEnumerators::PixelBarrel, PixelSubdetector::PixelEndcap, GeomDetEnumerators::PixelEndcap, GeomDet::surface(), StripSubdetector::TEC, sistripsummary::TEC, sistripsummary::TIB, StripSubdetector::TIB, sistripsummary::TID, StripSubdetector::TID, StripSubdetector::TOB, sistripsummary::TOB, Surface::toGlobal(), and 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 Genexception("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);
  }

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Member Data Documentation

const TrackingGeometry* TrackingRecHitLessFromGlobalPosition::geometry [private]

Definition at line 34 of file TrackingRecHitLessFromGlobalPosition.h.

Referenced by barrelForwardLess(), and insideOutLess().

PropagationDirection TrackingRecHitLessFromGlobalPosition::theDir [private]

Definition at line 35 of file TrackingRecHitLessFromGlobalPosition.h.

Referenced by operator()().