#include <Cluster1DCleaner.h>

Public Member Functions
	Cluster1DCleaner (const float zoffset, bool useErr)

std::vector< Cluster1D< T > >	clusters (const std::vector< Cluster1D< T > > &)

std::vector< Cluster1D< T > >	discardedCluster1Ds () const

Private Member Functions
float	average (const std::vector< Cluster1D< T > > &)

void	cleanCluster1Ds (const std::vector< Cluster1D< T > > &)

Private Attributes
std::vector< Cluster1D< T > >	theCleanedCluster1Ds

std::vector< Cluster1D< T > >	theDiscardedCluster1Ds

bool	theUseError

float	theZOffSet

Detailed Description

template<class T>
class pixeltemp::Cluster1DCleaner< T >

Definition at line 16 of file Cluster1DCleaner.h.

Constructor & Destructor Documentation

template<class T>

pixeltemp::Cluster1DCleaner< T >::Cluster1DCleaner	(	const float	zoffset,
		bool	useErr
	)

inline

Definition at line 18 of file Cluster1DCleaner.h.

                                                        : theZOffSet(zoffset), theUseError(useErr) {
       theCleanedCluster1Ds.clear();
       theDiscardedCluster1Ds.clear();
     }

Member Function Documentation

template<class T>

float Cluster1DCleaner< T >::average ( const std::vector< Cluster1D< T > > & clust )

private

Definition at line 71 of file Cluster1DCleaner.h.

References runTheMatrix::err, and mathSSE::sqrt().

Referenced by pixeltemp::Cluster1DCleaner< T >::cleanCluster1Ds(), and pixeltemp::Cluster1DCleaner< reco::Track >::discardedCluster1Ds().

                                                                           {
     //    float ave = clust.front().position().value();
     //    float err = clust.front().position().error();
     //    for( typename std::vector < Cluster1D<T> >::const_iterator ic=(clust.begin())+1;
     //         ic != clust.end(); ic++)
     //    {
     //        float oldave = ave;
     //        float olderr = err;
     //        ave = ( oldave/olderr/olderr +
     //                ic->position().value()/ic->position().error()/ic->position().error()) /
     //              (1./olderr/olderr + 1./ic->position().error()/ic->position().error());
     //        err = sqrt(olderr*olderr + ic->position().error()*ic->position().error());
     //    }
     float sumUp = 0;
     float sumDown = 0;
     float err = 0;
     for (typename std::vector<Cluster1D<T> >::const_iterator ic = (clust.begin()) + 1; ic != clust.end(); ic++) {
       float err2 = ic->position().error();
       err2 *= err2;
       if (err2 != 0) {
         sumUp += ic->position().value() / err2;  // error-weighted average of Z at IP
         sumDown += 1 / err2;
       }
       err += std::sqrt(err2);
     }
     return (sumDown > 0) ? sumUp / sumDown : 0;
   }

template<class T>

void Cluster1DCleaner< T >::cleanCluster1Ds ( const std::vector< Cluster1D< T > > & clust )

private

Definition at line 51 of file Cluster1DCleaner.h.

References pixeltemp::Cluster1DCleaner< T >::average(), listHistos::discr, pixeltemp::Cluster1DCleaner< T >::theCleanedCluster1Ds, pixeltemp::Cluster1DCleaner< T >::theDiscardedCluster1Ds, pixeltemp::Cluster1DCleaner< T >::theUseError, and pixeltemp::Cluster1DCleaner< T >::theZOffSet.

Referenced by pixeltemp::Cluster1DCleaner< T >::clusters(), and pixeltemp::Cluster1DCleaner< reco::Track >::discardedCluster1Ds().

                                                                                  {
     theCleanedCluster1Ds.clear();
     theDiscardedCluster1Ds.clear();
     if (clust.empty())
       return;
     float oldPos = average(clust);
     for (typename std::vector<Cluster1D<T> >::const_iterator ic = clust.begin(); ic != clust.end(); ic++) {
       float discr = theUseError ? fabs(((*ic).position().value() - oldPos) / (*ic).position().error())
                                 : fabs(((*ic).position().value() - oldPos));
       if (discr < theZOffSet) {
         theCleanedCluster1Ds.push_back(*ic);
       } else {
         theDiscardedCluster1Ds.push_back(*ic);
       }
     }
     return;
   }

template<class T>

std::vector< Cluster1D< T > > Cluster1DCleaner< T >::clusters ( const std::vector< Cluster1D< T > > & clust )

Definition at line 45 of file Cluster1DCleaner.h.

References pixeltemp::Cluster1DCleaner< T >::cleanCluster1Ds(), and pixeltemp::Cluster1DCleaner< T >::theCleanedCluster1Ds.

Referenced by pixeltemp::Cluster1DCleaner< reco::Track >::Cluster1DCleaner().

                                                                                               {
     cleanCluster1Ds(clust);
     return theCleanedCluster1Ds;
   }