DirectTrackerNavigation Class Reference

#include <DirectTrackerNavigation.h>

Public Member Functions
std::vector< const DetLayer * >	compatibleLayers (const FreeTrajectoryState &fts, PropagationDirection timeDirection) const
	find compatible layers for a given trajectory state More...
	DirectTrackerNavigation (const edm::ESHandle< GeometricSearchTracker > &, bool outOnly=true)
	constructor More...

Private Member Functions
float	calculateEta (float r, float z) const
bool	checkCompatible (const FreeTrajectoryState &, const BarrelDetLayer *) const
bool	checkCompatible (const FreeTrajectoryState &, const ForwardDetLayer *) const
void	inOutBPx (const FreeTrajectoryState &, std::vector< const DetLayer * > &) const
void	inOutBTEC (const FreeTrajectoryState &, std::vector< const DetLayer * > &) const
void	inOutBTID (const FreeTrajectoryState &, std::vector< const DetLayer * > &) const
void	inOutFPx (const FreeTrajectoryState &, std::vector< const DetLayer * > &) const
void	inOutFTEC (const FreeTrajectoryState &, std::vector< const DetLayer * > &) const
void	inOutFTID (const FreeTrajectoryState &, std::vector< const DetLayer * > &) const
void	inOutPx (const FreeTrajectoryState &, std::vector< const DetLayer * > &) const
void	inOutTIB (const FreeTrajectoryState &, std::vector< const DetLayer * > &) const
void	inOutTOB (const FreeTrajectoryState &, std::vector< const DetLayer * > &) const
bool	outward (const FreeTrajectoryState &) const

Private Attributes
float	theEpsilon
edm::ESHandle < GeometricSearchTracker >	theGeometricSearchTracker
bool	theOutLayerOnlyFlag

Detailed Description

Definition at line 26 of file DirectTrackerNavigation.h.

Constructor & Destructor Documentation

DirectTrackerNavigation::DirectTrackerNavigation	(	const edm::ESHandle< GeometricSearchTracker > &	tkLayout,
		bool	outOnly = true
	)

constructor

Definition at line 32 of file DirectTrackerNavigation.cc.

                                                               : 
 theGeometricSearchTracker(tkLayout), theOutLayerOnlyFlag(outOnly), theEpsilon(-0.01) {

}

Member Function Documentation

float DirectTrackerNavigation::calculateEta ( float  r, float  z  ) const

private

Definition at line 262 of file DirectTrackerNavigation.cc.

References create_public_lumi_plots::log, and funct::tan().

Referenced by checkCompatible().

                                                                  {

  if ( z > 0 ) return -log((tan(atan(r/z)/2.)));
  return log(-(tan(atan(r/z)/2.)));

}

bool DirectTrackerNavigation::checkCompatible ( const FreeTrajectoryState &  fts, const BarrelDetLayer *  dl  ) const

private

Definition at line 212 of file DirectTrackerNavigation.cc.

References calculateEta(), PV3DBase< T, PVType, FrameType >::eta(), eta(), FreeTrajectoryState::position(), CosmicsPD_Skims::radius, BarrelDetLayer::specificSurface(), and theEpsilon.

Referenced by inOutBPx(), inOutBTEC(), inOutBTID(), inOutFPx(), inOutFTEC(), inOutFTID(), inOutPx(), inOutTIB(), and inOutTOB().

                                                                                                           {

  float eta0 = fts.position().eta();

  const BoundCylinder& bc = dl->specificSurface();
  float radius = bc.radius();
  float length = bc.bounds().length()/2.;

  float eta = calculateEta(radius, length);

  return ( fabs(eta0) <= (fabs(eta) + theEpsilon) );

}

bool DirectTrackerNavigation::checkCompatible ( const FreeTrajectoryState &  fts, const ForwardDetLayer *  dl  ) const

private

Definition at line 230 of file DirectTrackerNavigation.cc.

References calculateEta(), PV3DBase< T, PVType, FrameType >::eta(), FreeTrajectoryState::position(), ForwardDetLayer::specificSurface(), theEpsilon, and detailsBasic3DVector::z.

                                                                                                            {

  float eta0 = fts.position().eta();

  const BoundDisk& bd = dl->specificSurface();

  float outRadius = bd.outerRadius();
  float inRadius = bd.innerRadius();
  float z = bd.position().z();

  float etaOut = calculateEta(outRadius, z);
  float etaIn = calculateEta(inRadius, z);
 
  if ( eta0 > 0 ) return ( eta0 > ( etaOut - theEpsilon) && eta0 < (etaIn + theEpsilon) );
  else return ( eta0 < (etaOut + theEpsilon ) && eta0 > ( etaIn - theEpsilon ) );

}

vector< const DetLayer * > DirectTrackerNavigation::compatibleLayers	(	const FreeTrajectoryState &	fts,
		PropagationDirection	timeDirection
	)		const

find compatible layers for a given trajectory state

Definition at line 43 of file DirectTrackerNavigation.cc.

References PV3DBase< T, PVType, FrameType >::eta(), inOutBPx(), inOutBTEC(), inOutBTID(), inOutFPx(), inOutFTEC(), inOutFTID(), inOutPx(), inOutTIB(), inOutTOB(), LogTrace, oppositeToMomentum, convertSQLitetoXML_cfg::output, outward(), FreeTrajectoryState::position(), and theOutLayerOnlyFlag.

Referenced by TSGFromPropagation::trackerSeeds(), and FastTSGFromPropagation::trackerSeeds().

                                                                          {

  bool inOut = outward(fts);
  double eta0 = fts.position().eta();

  vector<const DetLayer*> output;

  // check eta of DetLayers for compatibility

  if (inOut) { 

      if ( !theOutLayerOnlyFlag ) {
         inOutPx(fts,output);

         if ( eta0 > 1.55) inOutFPx(fts,output);
         else if ( eta0 < -1.55 ) inOutBPx(fts,output);

         if ( fabs(eta0) < 1.67 ) inOutTIB(fts,output); 

         if ( eta0 > 1.17 ) inOutFTID(fts,output);
         else if ( eta0 < -1.17 ) inOutBTID(fts,output);
      }

      if ( fabs(eta0) < 1.35 ) inOutTOB(fts,output);

      if ( eta0 > 0.97 ) inOutFTEC(fts,output);
      else if ( eta0 < -0.97 )  inOutBTEC(fts,output);

   } else {
      LogTrace("Muon|RecoMuon|DirectionTrackerNavigation")<<"No implementation for inward state at this moment. ";
   }

  if ( dir == oppositeToMomentum ) std::reverse(output.begin(),output.end());

  return output;

}

void DirectTrackerNavigation::inOutBPx ( const FreeTrajectoryState &  fts, std::vector< const DetLayer * > &  output  ) const

private

Definition at line 170 of file DirectTrackerNavigation.cc.

References checkCompatible(), and theGeometricSearchTracker.

Referenced by compatibleLayers().

                                                                                                            {

  const vector<ForwardDetLayer*>& forward = theGeometricSearchTracker->negPixelForwardLayers();

  for (vector<ForwardDetLayer*>::const_iterator iter_E = forward.begin(); iter_E != forward.end(); iter_E++) {
    if ( checkCompatible(fts,(*iter_E)) ) output.push_back((*iter_E));
  }

}

void DirectTrackerNavigation::inOutBTEC ( const FreeTrajectoryState &  fts, std::vector< const DetLayer * > &  output  ) const

private

Definition at line 198 of file DirectTrackerNavigation.cc.

References checkCompatible(), and theGeometricSearchTracker.

Referenced by compatibleLayers().

                                                                                                             {

  const vector<ForwardDetLayer*>& forward = theGeometricSearchTracker->negTecLayers();

  for (vector<ForwardDetLayer*>::const_iterator iter_E = forward.begin(); iter_E != forward.end(); iter_E++) {
    if ( checkCompatible(fts,(*iter_E)) ) output.push_back((*iter_E));
  }

}

void DirectTrackerNavigation::inOutBTID ( const FreeTrajectoryState &  fts, std::vector< const DetLayer * > &  output  ) const

private

Definition at line 184 of file DirectTrackerNavigation.cc.

References checkCompatible(), and theGeometricSearchTracker.

Referenced by compatibleLayers().

                                                                                                             {

  const vector<ForwardDetLayer*>& forward = theGeometricSearchTracker->negTidLayers();

  for (vector<ForwardDetLayer*>::const_iterator iter_E = forward.begin(); iter_E != forward.end(); iter_E++) {
      if ( checkCompatible(fts,(*iter_E)) ) output.push_back((*iter_E));
  }

}

void DirectTrackerNavigation::inOutFPx ( const FreeTrajectoryState &  fts, std::vector< const DetLayer * > &  output  ) const

private

Definition at line 128 of file DirectTrackerNavigation.cc.

References checkCompatible(), and theGeometricSearchTracker.

Referenced by compatibleLayers().

                                                                                                            {

  const vector<ForwardDetLayer*>& forward = theGeometricSearchTracker->posPixelForwardLayers();

  for (vector<ForwardDetLayer*>::const_iterator iter_E = forward.begin(); iter_E != forward.end(); iter_E++) {
    if ( checkCompatible(fts,(*iter_E)) ) output.push_back((*iter_E));
  }

}

void DirectTrackerNavigation::inOutFTEC ( const FreeTrajectoryState &  fts, std::vector< const DetLayer * > &  output  ) const

private

Definition at line 156 of file DirectTrackerNavigation.cc.

References checkCompatible(), and theGeometricSearchTracker.

Referenced by compatibleLayers().

                                                                                                             {

  const vector<ForwardDetLayer*>& forward = theGeometricSearchTracker->posTecLayers();

  for (vector<ForwardDetLayer*>::const_iterator iter_E = forward.begin(); iter_E != forward.end(); iter_E++) {
    if ( checkCompatible(fts,(*iter_E)) ) output.push_back((*iter_E));
  }

}

void DirectTrackerNavigation::inOutFTID ( const FreeTrajectoryState &  fts, std::vector< const DetLayer * > &  output  ) const

private

Definition at line 142 of file DirectTrackerNavigation.cc.

References checkCompatible(), and theGeometricSearchTracker.

Referenced by compatibleLayers().

                                                                                                             {

  const vector<ForwardDetLayer*>& forward = theGeometricSearchTracker->posTidLayers();

  for (vector<ForwardDetLayer*>::const_iterator iter_E = forward.begin(); iter_E != forward.end(); iter_E++) {
    if ( checkCompatible(fts,(*iter_E)) ) output.push_back((*iter_E));
  }

}

void DirectTrackerNavigation::inOutPx ( const FreeTrajectoryState &  fts, std::vector< const DetLayer * > &  output  ) const

private

Definition at line 86 of file DirectTrackerNavigation.cc.

References Reference_intrackfit_cff::barrel, checkCompatible(), and theGeometricSearchTracker.

Referenced by compatibleLayers().

                                                                                                           {

  const vector<BarrelDetLayer*>& barrel = theGeometricSearchTracker->pixelBarrelLayers();

  for (vector<BarrelDetLayer*>::const_iterator iter_B = barrel.begin(); iter_B != barrel.end(); iter_B++) {
    if ( checkCompatible(fts,(*iter_B)) ) output.push_back((*iter_B));
  }

}

void DirectTrackerNavigation::inOutTIB ( const FreeTrajectoryState &  fts, std::vector< const DetLayer * > &  output  ) const

private

Definition at line 100 of file DirectTrackerNavigation.cc.

References Reference_intrackfit_cff::barrel, checkCompatible(), and theGeometricSearchTracker.

Referenced by compatibleLayers().

                                                                                                            {

  const vector<BarrelDetLayer*>& barrel = theGeometricSearchTracker->tibLayers();

  for (vector<BarrelDetLayer*>::const_iterator iter_B = barrel.begin(); iter_B != barrel.end(); iter_B++) {
    if ( checkCompatible(fts,(*iter_B)) ) output.push_back((*iter_B));
  }

}

void DirectTrackerNavigation::inOutTOB ( const FreeTrajectoryState &  fts, std::vector< const DetLayer * > &  output  ) const

private

Definition at line 114 of file DirectTrackerNavigation.cc.

References Reference_intrackfit_cff::barrel, checkCompatible(), and theGeometricSearchTracker.

Referenced by compatibleLayers().

                                                                                                            {

  const vector<BarrelDetLayer*>& barrel = theGeometricSearchTracker->tobLayers();

  for (vector<BarrelDetLayer*>::const_iterator iter_B = barrel.begin(); iter_B != barrel.end(); iter_B++) {
    if ( checkCompatible(fts,(*iter_B)) ) output.push_back((*iter_B));
  }

}

bool DirectTrackerNavigation::outward ( const FreeTrajectoryState &  fts ) const

private

Definition at line 252 of file DirectTrackerNavigation.cc.

References PV3DBase< T, PVType, FrameType >::basicVector(), Basic3DVector< T >::dot(), FreeTrajectoryState::momentum(), and FreeTrajectoryState::position().

Referenced by compatibleLayers().

                                                                          {
 
  return (fts.position().basicVector().dot(fts.momentum().basicVector()) > 0);

}

Member Data Documentation

float DirectTrackerNavigation::theEpsilon

private

Definition at line 75 of file DirectTrackerNavigation.h.

Referenced by checkCompatible().

edm::ESHandle<GeometricSearchTracker> DirectTrackerNavigation::theGeometricSearchTracker

private

Definition at line 71 of file DirectTrackerNavigation.h.

Referenced by inOutBPx(), inOutBTEC(), inOutBTID(), inOutFPx(), inOutFTEC(), inOutFTID(), inOutPx(), inOutTIB(), and inOutTOB().

bool DirectTrackerNavigation::theOutLayerOnlyFlag

private

Definition at line 73 of file DirectTrackerNavigation.h.

Referenced by compatibleLayers().