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#include "TMath.h"
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#include "MitEdm/DataFormats/interface/Types.h"
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#include "MitEdm/VertexFitInterface/interface/TrackParameters.h"
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#include "MitEdm/VertexFitInterface/interface/HisInterface.h"
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using namespace reco;
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using namespace mitedm;
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HisInterface::HisInterface(const Track *trk1, const Track *trk2, const double bField) :
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his_(0)
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{
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// Create the CMS track parameters
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TrackParameters cmsTrk1(trk1);
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TrackParameters cmsTrk2(trk2);
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// Extract from them the MVF track parameters
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TrackParameters hisTrk1 = cmsTrk1.mvfTrack();
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TrackParameters hisTrk2 = cmsTrk2.mvfTrack();
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// Initialize the corresponding momentum vector
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const TVector3 momTrk1(trk1->px(),trk1->py(),trk1->pz());
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const TVector3 momTrk2(trk2->px(),trk2->py(),trk2->pz());
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// Finally setup the intersection object
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his_ = new HelixIntersector(hisTrk1.pars(),&momTrk1, hisTrk2.pars(),&momTrk2);
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}
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HisInterface::~HisInterface()
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{
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delete his_;
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}
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