Producers/src/ProducerConversions.cc

// $Id: ProducerConversions.cc,v 1.20 2009/12/08 17:40:04 bendavid Exp $

#include "MitEdm/Producers/interface/ProducerConversions.h"
#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/TrackReco/interface/TrackFwd.h"
#include "DataFormats/VertexReco/interface/Vertex.h"
#include "DataFormats/VertexReco/interface/VertexFwd.h"
#include "MagneticField/Engine/interface/MagneticField.h"
#include "MagneticField/Records/interface/IdealMagneticFieldRecord.h"
#include "TrackingTools/TrajectoryState/interface/TrajectoryStateTransform.h"
#include "TrackingTools/PatternTools/interface/ClosestApproachInRPhi.h"
#include "MitEdm/Producers/interface/HitDropperRecord.h"
#include "MitEdm/Producers/interface/HitDropper.h"
#include "MitEdm/DataFormats/interface/Types.h"
#include "MitEdm/DataFormats/interface/Collections.h"
#include "MitEdm/DataFormats/interface/DecayPart.h"
#include "MitEdm/DataFormats/interface/StablePart.h"
#include "MitEdm/DataFormats/interface/StableData.h"
#include "MitEdm/VertexFitInterface/interface/MvfInterface.h"
#include <TMath.h>

using namespace std;
using namespace edm;
using namespace reco;
using namespace mitedm;
using namespace mithep;

//--------------------------------------------------------------------------------------------------
ProducerConversions::ProducerConversions(const ParameterSet& cfg) :
  BaseCandProducer (cfg),
  iStables1_       (cfg.getUntrackedParameter<string>("iStables1","")),
  iStables2_       (cfg.getUntrackedParameter<string>("iStables2","")),
  iPVertexes_      (cfg.getUntrackedParameter<string>("iPVertexes","offlinePrimaryVerticesWithBS")),
  usePVertex_      (cfg.getUntrackedParameter<bool>  ("usePVertex",true)),
  convConstraint_  (cfg.getUntrackedParameter<bool>  ("convConstraint",false)),
  convConstraint3D_(cfg.getUntrackedParameter<bool>  ("convConstraint3D",true)),
  rhoMin_          (cfg.getUntrackedParameter<double>("rhoMin",0.0)),
  useHitDropper_   (cfg.getUntrackedParameter<bool>  ("useHitDropper",true)),
  applyChargeConstraint_(cfg.getUntrackedParameter<bool>  ("applyChargeConstraint",false))
{
  // Constructor.

  produces<DecayPartCol>();
}

//--------------------------------------------------------------------------------------------------
ProducerConversions::~ProducerConversions()
{
  // Destructor.
}

//--------------------------------------------------------------------------------------------------
void ProducerConversions::produce(Event &evt, const EventSetup &setup)
{
  // Produce our DecayPartCol.

  // First input collection
  Handle<StablePartCol> hStables1;
  if (!GetProduct(iStables1_, hStables1, evt)) {
    printf("Stable collection 1 not found in ProducerConversions\n");
    return;  
  }
  const StablePartCol *pS1 = hStables1.product();
  // Second input collection
  Handle<StablePartCol> hStables2;
  if (!GetProduct(iStables2_, hStables2, evt)) {
    printf("Stable collection 2 not found in ProducerConversions\n");
    return;
  }
  const StablePartCol *pS2 = hStables2.product();

  const reco::Vertex *vertex = 0;
  mitedm::VertexPtr vPtr;
  if (usePVertex_) {
    // Primary vertex collection
    Handle<reco::VertexCollection> hVertexes;
    if (!GetProduct(iPVertexes_, hVertexes, evt))
      return;
    const reco::VertexCollection *pV = hVertexes.product();
  
    //Choose the primary vertex with the largest number of tracks
    UInt_t maxTracks=0;
    for (UInt_t i=0; i<pV->size(); ++i) {
      const reco::Vertex &v = pV->at(i);
      UInt_t nTracks = v.tracksSize();
      if (nTracks >= maxTracks) {
        maxTracks = nTracks;
        vertex = &v;
        vPtr = mitedm::VertexPtr(hVertexes,i);
      }
    }
  }
  
  // Get hit dropper
  ESHandle<HitDropper> hDropper;
  setup.get<HitDropperRecord>().get("HitDropper",hDropper);
  const HitDropper *dropper = hDropper.product();
  
  //Get Magnetic Field from event setup, taking value at (0,0,0)
  edm::ESHandle<MagneticField> magneticField;
  setup.get<IdealMagneticFieldRecord>().get(magneticField);
  const double bfield = magneticField->inTesla(GlobalPoint(0.,0.,0.)).z();
  
  // Create the output collection
  auto_ptr<DecayPartCol> pD(new DecayPartCol());
  
  ClosestApproachInRPhi helixIntersector;
  
  int nFits = 0;
  
  //printf("S1 size = %i\n", pS1->size());
  
  // Simple double loop
  for (UInt_t i = 0; i<pS1->size(); ++i) {
    const StablePart &s1 =  pS1->at(i);
    
    const reco::Track * t1 = s1.track();
        
    UInt_t j;
    if (iStables1_ == iStables2_)
      j = i+1; 
    else
      j = 0;
    
    TrajectoryStateTransform tsTransform;
    
    FreeTrajectoryState initialState1 = tsTransform.initialFreeState(*s1.track(),&*magneticField);
    
    for (; j<pS2->size(); ++j) {
      const StablePart &s2 = pS2->at(j);

      //Do fast helix fit to check if there's any hope
      const reco::Track * t2 = s2.track();
      
      int trackCharge = t1->charge() + t2->charge();
      
      double dR0 = 0.0;
      
      if (!applyChargeConstraint_ || trackCharge==0) {
        FreeTrajectoryState initialState2 = tsTransform.initialFreeState(*s2.track(),&*magneticField);
        helixIntersector.calculate(initialState1, initialState2);
        if (helixIntersector.status())
          dR0 = helixIntersector.crossingPoint().perp();
      }

      int fitStatus = 0;
      MultiVertexFitterD fit;      
      if ( (!applyChargeConstraint_ || trackCharge==0) && dR0 > rhoMin_) {
      
        // Vertex fit now, possibly with conversion constraint
        nFits++;
  
        fit.init(bfield); // Reset to the magnetic field from the event setup
        MvfInterface fitInt(&fit);
        fitInt.addTrack(s1.track(),1,s1.mass(),MultiVertexFitterD::VERTEX_1);
        fitInt.addTrack(s2.track(),2,s2.mass(),MultiVertexFitterD::VERTEX_1);
        if (convConstraint3D_) {
          fit.conversion_3d(MultiVertexFitterD::VERTEX_1);
          //printf("applying 3d conversion constraint\n");
        }
        else if (convConstraint_) {
          fit.conversion_2d(MultiVertexFitterD::VERTEX_1);
          //printf("applying 2d conversion constraint\n");
        }
        //initialize primary vertex parameters in the fitter
        if (usePVertex_) {
          float vErr[3][3];
          for (UInt_t vi=0; vi<3; ++vi)
            for (UInt_t vj=0; vj<3; ++vj)
              vErr[vi][vj] = vertex->covariance(vi,vj);
              
          fit.setPrimaryVertex(vertex->x(),vertex->y(),vertex->z());
          fit.setPrimaryVertexError(vErr);
        }
        
        fitStatus = fit.fit();     
      }
        
      if (fitStatus) {
        DecayPart *d = new DecayPart(oPid_,DecayPart::Fast);
        
        // Update temporarily some of the quantities (prob, chi2, nDoF, mass, lxy, pt, fourMomentum)
        d->setProb(fit.prob());
        d->setChi2(fit.chisq());
        d->setNdof(fit.ndof());

        FourVector p4Fitted(0.,0.,0.,0.);
        p4Fitted += fit.getTrackP4(1);
        p4Fitted += fit.getTrackP4(2);
        d->setFourMomentum(p4Fitted);
        d->setPosition(fit.getVertex     (MultiVertexFitterD::VERTEX_1));
        d->setError   (fit.getErrorMatrix(MultiVertexFitterD::VERTEX_1));
        float mass, massErr;
        const int trksIds[2] = { 1, 2 };
        mass = fit.getMass(2,trksIds,massErr);
        
        ThreeVector p3Fitted(p4Fitted.px(), p4Fitted.py(), p4Fitted.pz());
        
        // Get decay length in xy plane
        float dl, dlErr;
        dl = fit.getDecayLength(MultiVertexFitterD::PRIMARY_VERTEX, MultiVertexFitterD::VERTEX_1,
               p3Fitted, dlErr);
               
        // Get Z decay length               
        float dlz, dlzErr;
        dlz = fit.getZDecayLength(MultiVertexFitterD::PRIMARY_VERTEX, MultiVertexFitterD::VERTEX_1,
               p3Fitted, dlzErr);
               
        // Get impact parameter               
        float dxy, dxyErr;
        dxy = fit.getImpactPar(MultiVertexFitterD::PRIMARY_VERTEX, MultiVertexFitterD::VERTEX_1,
               p3Fitted, dxyErr);

        BasePartPtr ptr1(hStables1,i);
        BasePartPtr ptr2(hStables2,j);       
        
        StableData c1(fit.getTrackP4(1).px(),fit.getTrackP4(1).py(), fit.getTrackP4(1).pz(), ptr1);
        StableData c2(fit.getTrackP4(2).px(),fit.getTrackP4(2).py(), fit.getTrackP4(2).pz(), ptr2);
        
        const ThreeVector vtxPos = fit.getVertex(MultiVertexFitterD::VERTEX_1);
        const ThreeVector trkMom1(fit.getTrackP4(1).px(),
                                  fit.getTrackP4(1).py(), 
                                  fit.getTrackP4(1).pz());
        const ThreeVector trkMom2(fit.getTrackP4(2).px(),
                                  fit.getTrackP4(2).py(), 
                                  fit.getTrackP4(2).pz());
        
        // Build corrected HitPattern for StableData, removing hits before the fit vertex
        if (useHitDropper_) {
          reco::HitPattern hits1 = dropper->CorrectedHitsAOD(s1.track(), vtxPos, trkMom1, dlErr, dlzErr);
          reco::HitPattern hits2 = dropper->CorrectedHitsAOD(s2.track(), vtxPos, trkMom2, dlErr, dlzErr);                 
   
          c1.SetHits(hits1);
          c2.SetHits(hits2);
          c1.SetHitsFilled();
          c2.SetHitsFilled();
        }
        
        d->addStableChild(c1);
        d->addStableChild(c2);
               
               
        d->setFittedMass     (mass);
        d->setFittedMassError(massErr);
        
        d->setLxy(dl);
        d->setLxyError(dlErr);
        d->setLxyToPv(dl);
        d->setLxyToPvError(dlErr);
        
        d->setLz(dlz);
        d->setLzError(dlzErr);
        d->setLzToPv(dlz);
        d->setLzToPvError(dlzErr);
        
        d->setDxy(dxy);
        d->setDxyError(dxyErr);
        d->setDxyToPv(dxy);
        d->setDxyToPvError(dxyErr);
        
        if (usePVertex_)
          d->setPrimaryVertex(vPtr);
        
        // Put the result into our collection
        pD->push_back(*d);

        delete d;
      }
    }
  }
  
  //printf("nConversionFits = %i\n",nFits);

  // Write the collection even if it is empty
  if (0) {
    cout << " ProducerConversions::produce - " << pD->size() << " entries collection created -"
         << " (Pid: " << oPid_ << ")\n";
  }
  evt.put(pD);
}

//define this as a plug-in
DEFINE_FWK_MODULE(ProducerConversions);
Revision:	1.21
Committed:	Fri Dec 11 17:46:24 2009 UTC (15 years, 5 months ago) by bendavid
Content type:	text/plain
Branch:	MAIN
CVS Tags:	Mit_012f, Mit_012e
Changes since 1.20:	+4 -13 lines
Log Message:	Remove track quality cuts, which do not really belong here
#	User	Rev	Content
1	bendavid	1.21	// $Id: ProducerConversions.cc,v 1.20 2009/12/08 17:40:04 bendavid Exp $
2	bendavid	1.1
3	loizides	1.5	#include "MitEdm/Producers/interface/ProducerConversions.h"
4	bendavid	1.1	#include "DataFormats/Common/interface/Handle.h"
5			#include "DataFormats/TrackReco/interface/Track.h"
6			#include "DataFormats/TrackReco/interface/TrackFwd.h"
7	bendavid	1.6	#include "DataFormats/VertexReco/interface/Vertex.h"
8			#include "DataFormats/VertexReco/interface/VertexFwd.h"
9	bendavid	1.18	#include "MagneticField/Engine/interface/MagneticField.h"
10			#include "MagneticField/Records/interface/IdealMagneticFieldRecord.h"
11	bendavid	1.19	#include "TrackingTools/TrajectoryState/interface/TrajectoryStateTransform.h"
12			#include "TrackingTools/PatternTools/interface/ClosestApproachInRPhi.h"
13	bendavid	1.7	#include "MitEdm/Producers/interface/HitDropperRecord.h"
14			#include "MitEdm/Producers/interface/HitDropper.h"
15	bendavid	1.1	#include "MitEdm/DataFormats/interface/Types.h"
16	loizides	1.5	#include "MitEdm/DataFormats/interface/Collections.h"
17	bendavid	1.1	#include "MitEdm/DataFormats/interface/DecayPart.h"
18			#include "MitEdm/DataFormats/interface/StablePart.h"
19	bendavid	1.6	#include "MitEdm/DataFormats/interface/StableData.h"
20	bendavid	1.1	#include "MitEdm/VertexFitInterface/interface/MvfInterface.h"
21	bendavid	1.20	#include <TMath.h>
22	bendavid	1.1
23			using namespace std;
24			using namespace edm;
25			using namespace reco;
26			using namespace mitedm;
27			using namespace mithep;
28
29			//--------------------------------------------------------------------------------------------------
30			ProducerConversions::ProducerConversions(const ParameterSet& cfg) :
31	paus	1.11	BaseCandProducer (cfg),
32			iStables1_ (cfg.getUntrackedParameter<string>("iStables1","")),
33			iStables2_ (cfg.getUntrackedParameter<string>("iStables2","")),
34			iPVertexes_ (cfg.getUntrackedParameter<string>("iPVertexes","offlinePrimaryVerticesWithBS")),
35			usePVertex_ (cfg.getUntrackedParameter<bool> ("usePVertex",true)),
36			convConstraint_ (cfg.getUntrackedParameter<bool> ("convConstraint",false)),
37			convConstraint3D_(cfg.getUntrackedParameter<bool> ("convConstraint3D",true)),
38	bendavid	1.15	rhoMin_ (cfg.getUntrackedParameter<double>("rhoMin",0.0)),
39	bendavid	1.20	useHitDropper_ (cfg.getUntrackedParameter<bool> ("useHitDropper",true)),
40	bendavid	1.21	applyChargeConstraint_(cfg.getUntrackedParameter<bool> ("applyChargeConstraint",false))
41	bendavid	1.1	{
42	loizides	1.5	// Constructor.
43
44	bendavid	1.1	produces<DecayPartCol>();
45			}
46
47			//--------------------------------------------------------------------------------------------------
48			ProducerConversions::~ProducerConversions()
49			{
50	loizides	1.5	// Destructor.
51	bendavid	1.1	}
52
53			//--------------------------------------------------------------------------------------------------
54			void ProducerConversions::produce(Event &evt, const EventSetup &setup)
55			{
56	loizides	1.5	// Produce our DecayPartCol.
57
58	bendavid	1.1	// First input collection
59			Handle<StablePartCol> hStables1;
60	bendavid	1.9	if (!GetProduct(iStables1_, hStables1, evt)) {
61			printf("Stable collection 1 not found in ProducerConversions\n");
62	bendavid	1.1	return;
63	bendavid	1.9	}
64	bendavid	1.1	const StablePartCol *pS1 = hStables1.product();
65			// Second input collection
66			Handle<StablePartCol> hStables2;
67	bendavid	1.9	if (!GetProduct(iStables2_, hStables2, evt)) {
68			printf("Stable collection 2 not found in ProducerConversions\n");
69	bendavid	1.1	return;
70	bendavid	1.9	}
71	bendavid	1.1	const StablePartCol *pS2 = hStables2.product();
72
73	bendavid	1.6	const reco::Vertex *vertex = 0;
74			mitedm::VertexPtr vPtr;
75			if (usePVertex_) {
76			// Primary vertex collection
77			Handle<reco::VertexCollection> hVertexes;
78			if (!GetProduct(iPVertexes_, hVertexes, evt))
79			return;
80			const reco::VertexCollection *pV = hVertexes.product();
81
82			//Choose the primary vertex with the largest number of tracks
83			UInt_t maxTracks=0;
84			for (UInt_t i=0; i<pV->size(); ++i) {
85			const reco::Vertex &v = pV->at(i);
86			UInt_t nTracks = v.tracksSize();
87			if (nTracks >= maxTracks) {
88			maxTracks = nTracks;
89			vertex = &v;
90			vPtr = mitedm::VertexPtr(hVertexes,i);
91			}
92			}
93			}
94	bendavid	1.7
95	paus	1.11	// Get hit dropper
96	bendavid	1.7	ESHandle<HitDropper> hDropper;
97			setup.get<HitDropperRecord>().get("HitDropper",hDropper);
98			const HitDropper *dropper = hDropper.product();
99	bendavid	1.6
100	bendavid	1.18	//Get Magnetic Field from event setup, taking value at (0,0,0)
101			edm::ESHandle<MagneticField> magneticField;
102			setup.get<IdealMagneticFieldRecord>().get(magneticField);
103			const double bfield = magneticField->inTesla(GlobalPoint(0.,0.,0.)).z();
104
105	bendavid	1.1	// Create the output collection
106			auto_ptr<DecayPartCol> pD(new DecayPartCol());
107	bendavid	1.6
108	bendavid	1.19	ClosestApproachInRPhi helixIntersector;
109
110	bendavid	1.20	int nFits = 0;
111
112			//printf("S1 size = %i\n", pS1->size());
113
114	bendavid	1.1	// Simple double loop
115			for (UInt_t i = 0; i<pS1->size(); ++i) {
116			const StablePart &s1 = pS1->at(i);
117
118	bendavid	1.20	const reco::Track * t1 = s1.track();
119	bendavid	1.21
120	bendavid	1.1	UInt_t j;
121			if (iStables1_ == iStables2_)
122			j = i+1;
123			else
124			j = 0;
125
126	bendavid	1.19	TrajectoryStateTransform tsTransform;
127
128			FreeTrajectoryState initialState1 = tsTransform.initialFreeState(s1.track(),&magneticField);
129
130	bendavid	1.1	for (; j<pS2->size(); ++j) {
131			const StablePart &s2 = pS2->at(j);
132
133	bendavid	1.21	//Do fast helix fit to check if there's any hope
134	bendavid	1.13	const reco::Track * t2 = s2.track();
135
136			int trackCharge = t1->charge() + t2->charge();
137	bendavid	1.19
138	bendavid	1.13	double dR0 = 0.0;
139
140	bendavid	1.20	if (!applyChargeConstraint_ \|\| trackCharge==0) {
141	bendavid	1.19	FreeTrajectoryState initialState2 = tsTransform.initialFreeState(s2.track(),&magneticField);
142			helixIntersector.calculate(initialState1, initialState2);
143			if (helixIntersector.status())
144			dR0 = helixIntersector.crossingPoint().perp();
145	bendavid	1.3	}
146	bendavid	1.13
147			int fitStatus = 0;
148			MultiVertexFitterD fit;
149	bendavid	1.20	if ( (!applyChargeConstraint_ \|\| trackCharge==0) && dR0 > rhoMin_) {
150	bendavid	1.13
151			// Vertex fit now, possibly with conversion constraint
152	bendavid	1.20	nFits++;
153	bendavid	1.13
154	bendavid	1.18	fit.init(bfield); // Reset to the magnetic field from the event setup
155	bendavid	1.13	MvfInterface fitInt(&fit);
156			fitInt.addTrack(s1.track(),1,s1.mass(),MultiVertexFitterD::VERTEX_1);
157			fitInt.addTrack(s2.track(),2,s2.mass(),MultiVertexFitterD::VERTEX_1);
158			if (convConstraint3D_) {
159			fit.conversion_3d(MultiVertexFitterD::VERTEX_1);
160			//printf("applying 3d conversion constraint\n");
161			}
162			else if (convConstraint_) {
163			fit.conversion_2d(MultiVertexFitterD::VERTEX_1);
164			//printf("applying 2d conversion constraint\n");
165			}
166			//initialize primary vertex parameters in the fitter
167			if (usePVertex_) {
168			float vErr[3][3];
169			for (UInt_t vi=0; vi<3; ++vi)
170			for (UInt_t vj=0; vj<3; ++vj)
171			vErr[vi][vj] = vertex->covariance(vi,vj);
172
173			fit.setPrimaryVertex(vertex->x(),vertex->y(),vertex->z());
174			fit.setPrimaryVertexError(vErr);
175			}
176
177			fitStatus = fit.fit();
178	bendavid	1.6	}
179
180			if (fitStatus) {
181	bendavid	1.3	DecayPart *d = new DecayPart(oPid_,DecayPart::Fast);
182	bendavid	1.1
183	bendavid	1.3	// Update temporarily some of the quantities (prob, chi2, nDoF, mass, lxy, pt, fourMomentum)
184			d->setProb(fit.prob());
185			d->setChi2(fit.chisq());
186			d->setNdof(fit.ndof());
187
188			FourVector p4Fitted(0.,0.,0.,0.);
189			p4Fitted += fit.getTrackP4(1);
190			p4Fitted += fit.getTrackP4(2);
191			d->setFourMomentum(p4Fitted);
192	paus	1.12	d->setPosition(fit.getVertex (MultiVertexFitterD::VERTEX_1));
193			d->setError (fit.getErrorMatrix(MultiVertexFitterD::VERTEX_1));
194	bendavid	1.3	float mass, massErr;
195			const int trksIds[2] = { 1, 2 };
196			mass = fit.getMass(2,trksIds,massErr);
197
198	bendavid	1.6	ThreeVector p3Fitted(p4Fitted.px(), p4Fitted.py(), p4Fitted.pz());
199
200	paus	1.11	// Get decay length in xy plane
201	bendavid	1.6	float dl, dlErr;
202	paus	1.12	dl = fit.getDecayLength(MultiVertexFitterD::PRIMARY_VERTEX, MultiVertexFitterD::VERTEX_1,
203	bendavid	1.6	p3Fitted, dlErr);
204
205	paus	1.11	// Get Z decay length
206	bendavid	1.6	float dlz, dlzErr;
207	paus	1.12	dlz = fit.getZDecayLength(MultiVertexFitterD::PRIMARY_VERTEX, MultiVertexFitterD::VERTEX_1,
208	bendavid	1.6	p3Fitted, dlzErr);
209
210	paus	1.11	// Get impact parameter
211	bendavid	1.6	float dxy, dxyErr;
212	paus	1.12	dxy = fit.getImpactPar(MultiVertexFitterD::PRIMARY_VERTEX, MultiVertexFitterD::VERTEX_1,
213	bendavid	1.6	p3Fitted, dxyErr);
214	bendavid	1.1
215	bendavid	1.8	BasePartPtr ptr1(hStables1,i);
216			BasePartPtr ptr2(hStables2,j);
217
218			StableData c1(fit.getTrackP4(1).px(),fit.getTrackP4(1).py(), fit.getTrackP4(1).pz(), ptr1);
219			StableData c2(fit.getTrackP4(2).px(),fit.getTrackP4(2).py(), fit.getTrackP4(2).pz(), ptr2);
220
221	paus	1.12	const ThreeVector vtxPos = fit.getVertex(MultiVertexFitterD::VERTEX_1);
222	loizides	1.14	const ThreeVector trkMom1(fit.getTrackP4(1).px(),
223			fit.getTrackP4(1).py(),
224			fit.getTrackP4(1).pz());
225			const ThreeVector trkMom2(fit.getTrackP4(2).px(),
226			fit.getTrackP4(2).py(),
227			fit.getTrackP4(2).pz());
228	bendavid	1.8
229	paus	1.11	// Build corrected HitPattern for StableData, removing hits before the fit vertex
230	bendavid	1.15	if (useHitDropper_) {
231	bendavid	1.17	reco::HitPattern hits1 = dropper->CorrectedHitsAOD(s1.track(), vtxPos, trkMom1, dlErr, dlzErr);
232			reco::HitPattern hits2 = dropper->CorrectedHitsAOD(s2.track(), vtxPos, trkMom2, dlErr, dlzErr);
233
234	bendavid	1.15	c1.SetHits(hits1);
235			c2.SetHits(hits2);
236			c1.SetHitsFilled();
237			c2.SetHitsFilled();
238			}
239	bendavid	1.8
240			d->addStableChild(c1);
241			d->addStableChild(c2);
242
243
244	bendavid	1.6	d->setFittedMass (mass);
245			d->setFittedMassError(massErr);
246
247			d->setLxy(dl);
248			d->setLxyError(dlErr);
249			d->setLxyToPv(dl);
250			d->setLxyToPvError(dlErr);
251
252			d->setLz(dlz);
253			d->setLzError(dlzErr);
254			d->setLzToPv(dlz);
255			d->setLzToPvError(dlzErr);
256
257			d->setDxy(dxy);
258			d->setDxyError(dxyErr);
259			d->setDxyToPv(dxy);
260			d->setDxyToPvError(dxyErr);
261
262			if (usePVertex_)
263			d->setPrimaryVertex(vPtr);
264
265			// Put the result into our collection
266	bendavid	1.13	pD->push_back(*d);
267	loizides	1.5
268	bendavid	1.1	delete d;
269			}
270			}
271			}
272	bendavid	1.20
273			//printf("nConversionFits = %i\n",nFits);
274	bendavid	1.1
275			// Write the collection even if it is empty
276	loizides	1.5	if (0) {
277			cout << " ProducerConversions::produce - " << pD->size() << " entries collection created -"
278			<< " (Pid: " << oPid_ << ")\n";
279			}
280	bendavid	1.1	evt.put(pD);
281			}
282
283			//define this as a plug-in
284			DEFINE_FWK_MODULE(ProducerConversions);