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RecHit1D Class Reference

Base class for 1-dimensional recHits. More...

#include <DataFormats/TrackingRecHit/interface/RecHit1D.h>

Inheritance diagram for RecHit1D:

List of all members.

Public Member Functions
virtual int	dimension () const
	Return the RecHit dimension.
virtual LocalPoint	localPosition () const =0
	Local position.
virtual LocalError	localPositionError () const =0
	Error on the local position.
virtual AlgebraicVector	parameters () const
	Return just the x.
virtual AlgebraicSymMatrix	parametersError () const
	Return just "(sigma_x)^2".
virtual AlgebraicMatrix	projectionMatrix () const
	Return the projection matrix.
	RecHit1D (TrackingRecHit::id_type id=0)
	RecHit1D (DetId id)
virtual	~RecHit1D ()
	Destructor.
Private Member Functions
void	initialize () const
Static Private Attributes
static bool	isInitialized
static AlgebraicMatrix	theProjectionMatrix

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Detailed Description

Base class for 1-dimensional recHits.

To be used as base class for all 1D positional TrackingRecHits. The coordinate measured is assumend to be the local "x"

Date

2007/07/25 10:35:48

Revision

1.5

Author:

S. Lacaprara, G. Cerminara

Definition at line 22 of file RecHit1D.h.

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Constructor & Destructor Documentation

RecHit1D::RecHit1D

(

DetId

id

)

[inline]

Definition at line 25 of file RecHit1D.h.

: TrackingRecHit(id) {}

RecHit1D::RecHit1D

(

TrackingRecHit::id_type

id = 0

)

[inline]

Definition at line 26 of file RecHit1D.h.

: TrackingRecHit(id) {}

virtual RecHit1D::~RecHit1D

(

)

[inline, virtual]

Destructor.

Definition at line 29 of file RecHit1D.h.

{}

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Member Function Documentation

virtual int RecHit1D::dimension

(

)

const [inline, virtual]

Return the RecHit dimension.

Implements TrackingRecHit.

Definition at line 48 of file RecHit1D.h.

                                {
    return 1;
  }

void RecHit1D::initialize

(

)

const [private]

Definition at line 44 of file RecHit1D.cc.

References isInitialized, and theProjectionMatrix.

Referenced by projectionMatrix().

                                {
  theProjectionMatrix = AlgebraicMatrix( 1, 5, 0);
  theProjectionMatrix[0][3] = 1;
  
  isInitialized = true;
}

virtual LocalPoint RecHit1D::localPosition

(

)

const [pure virtual]

Local position.

Implements TrackingRecHit.

Implemented in DTRecHit1D, and DTRecHit1DPair.

Referenced by parameters().

virtual LocalError RecHit1D::localPositionError

(

)

const [pure virtual]

Error on the local position.

Implements TrackingRecHit.

Implemented in DTRecHit1D, and DTRecHit1DPair.

Referenced by parametersError().

AlgebraicVector RecHit1D::parameters

(

void

)

const [virtual]

Return just the x.

Implements TrackingRecHit.

Definition at line 17 of file RecHit1D.cc.

References localPosition(), HLT_VtxMuL3::result, and PV3DBase< T, PVType, FrameType >::x().

                                           {
  AlgebraicVector result(1);
  result[0] = localPosition().x();
  return result;
}

AlgebraicSymMatrix RecHit1D::parametersError

(

)

const [virtual]

Return just "(sigma_x)^2".

Implements TrackingRecHit.

Definition at line 26 of file RecHit1D.cc.

References asciidump::le, localPositionError(), m, and LocalError::xx().

                                                   {
  LocalError le = localPositionError();
  AlgebraicSymMatrix m(1);
  // FIXME: Remove this dependence from Geometry
//   if ( det().alignmentPositionError()) {
//     LocalError lape = 
//       ErrorFrameTransformer().transform( det().alignmentPositionError()->globalError(), 
//                                       det().surface());
//     m[0][0] = le.xx()+lape.xx();
//   } else {
    m[0][0] = le.xx();
//   }
  return m;
}

virtual AlgebraicMatrix RecHit1D::projectionMatrix

(

)

const [inline, virtual]

Return the projection matrix.

Implements TrackingRecHit.

Definition at line 41 of file RecHit1D.h.

References initialize(), isInitialized, and theProjectionMatrix.

                                                   {
    if ( !isInitialized) initialize();
    return theProjectionMatrix;
  }

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Member Data Documentation

bool RecHit1D::isInitialized [static, private]

Definition at line 63 of file RecHit1D.h.

Referenced by initialize(), and projectionMatrix().

AlgebraicMatrix RecHit1D::theProjectionMatrix [static, private]

Definition at line 65 of file RecHit1D.h.

Referenced by initialize(), and projectionMatrix().

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

• DataFormats/TrackingRecHit/interface/RecHit1D.h
• DataFormats/TrackingRecHit/src/RecHit1D.cc

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