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/data/refman/pasoursint/CMSSW_5_3_4/src/DataFormats/TrackingRecHit/src/KfComponentsHolder.cc

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00001 #include "DataFormats/TrackingRecHit/interface/KfComponentsHolder.h"
00002 #include "DataFormats/TrackingRecHit/interface/TrackingRecHit.h"
00003 #include "FWCore/Utilities/interface/Exception.h"
00004 #include <typeinfo>
00005 
00006 template<unsigned int D>
00007 void KfComponentsHolder::genericFill_(const TrackingRecHit &hit) {
00008    typedef typename AlgebraicROOTObject<D,5>::Matrix MatD5;
00009    typedef typename AlgebraicROOTObject<D,D>::SymMatrix SMatDD;
00010    typedef typename AlgebraicROOTObject<D>::Vector VecD;
00011 
00012    params<D>()     = asSVector<D>(hit.parameters());
00013    errors<D>()     = asSMatrix<D>(hit.parametersError());
00014    projection<D>() = asSMatrix<D,5>(hit.projectionMatrix());
00015 
00016    const MatD5 & H = projection<D>();
00017 
00018    measuredParams<D>() = H * (*tsosLocalParameters_);
00019    measuredErrors<D>() = ROOT::Math::Similarity(H, (*tsosLocalErrors_));
00020 }
00021 
00022 void KfComponentsHolder::genericFill(const TrackingRecHit &hit) {
00023     switch (hit.dimension()) {
00024         case 1: genericFill_<1>(hit); break;
00025         case 2: genericFill_<2>(hit); break;
00026         case 3: genericFill_<3>(hit); break;
00027         case 4: genericFill_<4>(hit); break;
00028         case 5: genericFill_<5>(hit); break;
00029         default:
00030             throw cms::Exception("Rec hit of invalid dimension (not 1,2,3,4,5)") <<
00031                 "The dimension was " << hit.dimension() <<
00032                 ", type is " << typeid(hit).name() << "\n";
00033     }
00034 
00035 }
00036