Difference: HitTripletsIntroduction (1 vs. 5)

Revision 52007-11-11 - FerencSikler

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META TOPICPARENT name="TrackerSoftware"
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META TOPICPARENT name="Trash.CMSTrackerSoftware"
 

Introduction

For global reconstruction the defaults are

Revision 42006-05-02 - FerencSikler

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META TOPICPARENT name="TrackerSoftware"
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Low pT tracking

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Introduction

 For global reconstruction the defaults are
GlobalTrackingRegion ( float ptMin = 1., float originRadius = 0.2,
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 interface/ThirdHitPredictionFromInvParabola.h?v=snapshot][ThirdHitPredictionFromInvParabola.h]]

-- FerencSikler - 14 Mar 2006 \ No newline at end of file

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META TOPICMOVED by="FerencSikler" date="1146554104" from="CMS.LowPtTracking" to="CMS.HitTripletsIntroduction"

Revision 32006-03-15 - FerencSikler

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META TOPICPARENT name="TrackerSoftware"

Low pT tracking

Revision 22006-03-14 - FerencSikler

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META TOPICPARENT name="TrackerSoftware"

Low pT tracking

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  bool precise = false );
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Generation of hit triplets is in ORCA/src/TrackerReco/TkHitTriplets/src
HitTripletGeneratorFromPairAndLayers.cc
HitTripletGeneratorFromPairAndLayers.h
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Generation of hit pairs

ORCA/src/TrackerReco/TkHitPairs
HitPairGeneratorFromLayerPair.cc
HitPairGeneratorFromLayerPair.h

Generation of hit triplets

ORCA/src/TrackerReco/TkHitTriplets
HitTripletGeneratorFromPairAndLayers.cc
HitTripletGeneratorFromPairAndLayers.h

  Sensitive parameters for the extrapolation of the third hit are
float dphi = 0.03;
if (fabs(dist) > 0.025) continue;
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Rough prediction

ORCA/src/TrackerReco/TkHitTriplets
ThirdHitRZPrediction.cc
ThirdHitRZPrediction.h

Important parameters are
theTolerance = Margin(0.03,0.03);
theTolerance = Margin(0.02,0.02);

More accurate prediction

Fast circle fit with the conformal mapping method (article)
ORCA/src/TrackerReco/TkHitTriplets
ThirdHitPredictionFromInvParabola.cc
ThirdHitPredictionFromInvParabola.h

 -- FerencSikler - 14 Mar 2006

Revision 12006-03-14 - FerencSikler

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Added:
>
>
META TOPICPARENT name="TrackerSoftware"

Low pT tracking

For global reconstruction the defaults are

GlobalTrackingRegion ( float ptMin = 1., float originRadius = 0.2,
                       float originHalfLength = 15., float originZPos = 0.,
                       bool precise = false );

Generation of hit triplets is in ORCA/src/TrackerReco/TkHitTriplets/src
HitTripletGeneratorFromPairAndLayers.cc
HitTripletGeneratorFromPairAndLayers.h

Sensitive parameters for the extrapolation of the third hit are
float dphi = 0.03;
if (fabs(dist) > 0.025) continue;

-- FerencSikler - 14 Mar 2006

 
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