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pixeltemp::Cluster1DCleaner< T > Class Template Reference

#include <RecoPixelVertexing/PixelVertexFinding/interface/Cluster1DCleaner.h>

List of all members.

Public Member Functions
	Cluster1DCleaner (const float zoffset, bool useErr)
std::vector< Cluster1D< T > >	clusters (std::vector< Cluster1D< T > >)
std::vector< Cluster1D< T > >	discardedCluster1Ds () const
Private Member Functions
float	average (const std::vector< Cluster1D< T > > &)
void	cleanCluster1Ds (std::vector< Cluster1D< T > >)
Private Attributes
std::vector< Cluster1D< T > >	theCleanedCluster1Ds
std::vector< Cluster1D< T > >	theDiscardedCluster1Ds
bool	theUseError
float	theZOffSet

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Detailed Description

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

Definition at line 14 of file Cluster1DCleaner.h.

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Constructor & Destructor Documentation

template<class T>

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

Definition at line 18 of file Cluster1DCleaner.h.

00018                                                       :
00019         theZOffSet(zoffset), theUseError(useErr)
00020     {
00021         theCleanedCluster1Ds.clear();
00022         theDiscardedCluster1Ds.clear();
00023     }
    // return the compatible clusters

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Member Function Documentation

template<class T>

float Cluster1DCleaner< T >::average

(

const std::vector< Cluster1D< T > > &

clust

)

[inline, private]

Definition at line 87 of file Cluster1DCleaner.h.

References err, err2, and funct::sqrt().

Referenced by pixeltemp::Cluster1DCleaner< T >::cleanCluster1Ds().

{
//    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

(

std::vector< Cluster1D< T > >

clust

)

[inline, private]

Definition at line 59 of file Cluster1DCleaner.h.

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

Referenced by pixeltemp::Cluster1DCleaner< T >::clusters().

{
    theCleanedCluster1Ds.clear();
    theDiscardedCluster1Ds.clear();
    if (clust.size() == 0)
        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

(

std::vector< Cluster1D< T > >

clust

)

[inline]

Definition at line 51 of file Cluster1DCleaner.h.

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

{
    cleanCluster1Ds(clust);
    return theCleanedCluster1Ds;
}

template<class T>

std::vector< Cluster1D< T > > pixeltemp::Cluster1DCleaner< T >::discardedCluster1Ds

(

)

const [inline]

Definition at line 31 of file Cluster1DCleaner.h.

    {
        return theDiscardedCluster1Ds;
    }

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Member Data Documentation

template<class T>

std::vector<Cluster1D<T> > pixeltemp::Cluster1DCleaner< T >::theCleanedCluster1Ds [private]

Definition at line 39 of file Cluster1DCleaner.h.

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

template<class T>

std::vector<Cluster1D<T> > pixeltemp::Cluster1DCleaner< T >::theDiscardedCluster1Ds [private]

Definition at line 40 of file Cluster1DCleaner.h.

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

template<class T>

bool pixeltemp::Cluster1DCleaner< T >::theUseError [private]

Definition at line 42 of file Cluster1DCleaner.h.

Referenced by pixeltemp::Cluster1DCleaner< T >::cleanCluster1Ds().

template<class T>

float pixeltemp::Cluster1DCleaner< T >::theZOffSet [private]

Definition at line 41 of file Cluster1DCleaner.h.

Referenced by pixeltemp::Cluster1DCleaner< T >::cleanCluster1Ds().

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The documentation for this class was generated from the following file:

• RecoPixelVertexing/PixelVertexFinding/interface/Cluster1DCleaner.h

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