00001 //_____________________________________________________________________________ 00009 00010 #include <string> 00011 00012 #include "MessageService/MsgService.h" 00013 00014 #include "CandFitTrackSA/ConstFT.h" 00015 #include "CandFitTrackSA/FitContext.h" 00016 #include "CandFitTrackSA/FitStateFactory.h" 00017 #include "CandFitTrackSA/FitStateInitial.h" 00018 #include "CandFitTrackSA/TrackEstimator.h" 00019 00020 CVSID("$Id: FitStateInitial.cxx,v 1.2 2006/02/04 21:47:35 avva Exp $"); 00021 00022 using namespace ConstFT; 00023 00024 // The ID of class Line 00025 static const std::string INITIAL_FIT_STATE = "Initial"; 00026 00027 // Create an anonymous namespace 00028 // to make the function invisible from other modules 00029 namespace { 00030 00031 FitState* CreateInitialFS() { return new FitStateInitial; } 00032 00033 // register block 00034 bool registered = FitStateFactory::Instance().RegisterFitState( 00035 INITIAL_FIT_STATE, CreateInitialFS); 00036 } // namespace 00037 00038 00042 const std::string& FitStateInitial::Name() const 00043 { 00044 return INITIAL_FIT_STATE; 00045 } 00046 00047 00048 void FitStateInitial::Iterate(FitContext& context) const 00049 { 00050 // apply the maximum mask that still leaves 00051 // enough hits ( > fNHitsInViewMin ) to fit in 00052 // both U and V 00053 context.fData.SetUHitUse( context.fConvergenceMaster.GetMaskUCur() ); 00054 context.fData.SetVHitUse( context.fConvergenceMaster.GetMaskVCur() ); 00055 00056 // get an inital rough estimate of the track parameters 00057 context.fCurrentFit = context.fEstimator->EstimateTrackParams(context); 00058 00059 // 00060 context.SetLastGoodFitParams(context.fCurrentFit); 00061 00062 // set initial number of planes to fit 00063 // context.fNPlanesToFit = context.fConvergenceMaster.GetNPlanesCur(); 00064 00065 // set input track parameters 00066 context.fNPlanesFit = context.fData.SetInitial(context.fCurrentFit, 00067 context.fConvergenceMaster.GetNPlanesCur(), *context.fSwimmer); 00068 //context.fNPlanesToFit, *context.fSwimmer); 00069 00070 // bad failure - stop iterations 00071 if ( context.fNPlanesFit < context.fConvergenceMaster.GetNPlanesMin() ){ 00072 context.SetState(FitStateFactory::Instance().GetFitState("Final")); 00073 context.Print(); 00074 MSG("FitTrackSA",Msg::kInfo) << "Switched from Initial to Final\n"; 00075 return; 00076 } 00077 00078 // perform iteration 00079 context.fMatCalc.Solve(context.fData); 00080 context.fCurrentFit = context.fMatCalc.GetTrackOut(); 00081 00082 //context.SetLastGoodFitParams(context.fCurrentFit); 00083 //context.fLastGoodFit.SetNPlanes(context.fNPlanesFit); 00084 00085 context.SetState(FitStateFactory::Instance().GetFitState("Iterating")); 00086 context.Print(); 00087 MSG("FitTrackSA",Msg::kInfo) << "Switched from Initial to Iterating\n"; 00088 return; 00089 00090 } 00091
1.6.1