FitStateInitial Class Reference

#include <FitStateInitial.h>

Inheritance diagram for FitStateInitial:

List of all members.

Public Member Functions
void	Iterate (FitContext &context) const
const std::string &	Name () const

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Detailed Description

Author:

Sergei avva@fnal.gov

Definition at line 14 of file FitStateInitial.h.

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Member Function Documentation

void FitStateInitial::Iterate

(

FitContext &

context

)

const [virtual]

Iterate

Implements FitState.

Definition at line 48 of file FitStateInitial.cxx.

References TrackEstimator::EstimateTrackParams(), FitContext::fConvergenceMaster, FitContext::fCurrentFit, FitContext::fData, FitContext::fEstimator, FitContext::fMatCalc, FitContext::fNPlanesFit, FitContext::fSwimmer, FitStateFactory::GetFitState(), ConvergenceMaster::GetMaskUCur(), ConvergenceMaster::GetMaskVCur(), ConvergenceMaster::GetNPlanesCur(), ConvergenceMaster::GetNPlanesMin(), MatrixCalculator::GetTrackOut(), FitStateFactory::Instance(), Msg::kInfo, MSG, FitContext::Print(), DataFT::SetInitial(), FitContext::SetLastGoodFitParams(), FitContext::SetState(), DataFT::SetUHitUse(), DataFT::SetVHitUse(), and MatrixCalculator::Solve().

{
    // apply the maximum mask that still leaves 
    // enough hits ( > fNHitsInViewMin ) to fit in
    // both U and V
    context.fData.SetUHitUse( context.fConvergenceMaster.GetMaskUCur() );
    context.fData.SetVHitUse( context.fConvergenceMaster.GetMaskVCur() );

    // get an inital rough estimate of the track parameters
    context.fCurrentFit = context.fEstimator->EstimateTrackParams(context);

    //
    context.SetLastGoodFitParams(context.fCurrentFit);
    
    // set initial number of planes to fit
    // context.fNPlanesToFit = context.fConvergenceMaster.GetNPlanesCur();
    
    // set input track parameters     
    context.fNPlanesFit = context.fData.SetInitial(context.fCurrentFit, 
                context.fConvergenceMaster.GetNPlanesCur(), *context.fSwimmer);
                                    //context.fNPlanesToFit, *context.fSwimmer);
                                        
    // bad failure - stop iterations
    if ( context.fNPlanesFit < context.fConvergenceMaster.GetNPlanesMin() ){
        context.SetState(FitStateFactory::Instance().GetFitState("Final"));
        context.Print();
        MSG("FitTrackSA",Msg::kInfo) << "Switched from Initial to Final\n";
        return;        
    }
        
    // perform iteration
    context.fMatCalc.Solve(context.fData);
    context.fCurrentFit = context.fMatCalc.GetTrackOut();
    
    //context.SetLastGoodFitParams(context.fCurrentFit);
    //context.fLastGoodFit.SetNPlanes(context.fNPlanesFit);
    
    context.SetState(FitStateFactory::Instance().GetFitState("Iterating"));
    context.Print();
    MSG("FitTrackSA",Msg::kInfo) << "Switched from Initial to Iterating\n";
    return;

}

const std::string & FitStateInitial::Name

(

)

const [virtual]

Name() - return name of the state

Implements FitState.

Definition at line 42 of file FitStateInitial.cxx.

References INITIAL_FIT_STATE.

{
    return INITIAL_FIT_STATE;
}    

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

• FitStateInitial.h
• FitStateInitial.cxx

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