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// -*- C++ -*-
//
// Package: Candidates
// Class : FWCandidateProxyBuilder
//
// Implementation:
// <Notes on implementation>
//
// Original Author: Chris Jones
// Created: Fri Dec 5 09:56:09 EST 2008
//
#include "TEveTrack.h"
// user include files
#include "Fireworks/Core/interface/FWSimpleProxyBuilderTemplate.h"
#include "Fireworks/Core/interface/Context.h"
#include "Fireworks/Candidates/interface/CandidateUtils.h"
#include "DataFormats/Candidate/interface/Candidate.h"
#include "Fireworks/Core/interface/FWEventItem.h"
#include "Fireworks/Core/interface/FWProxyBuilderConfiguration.h"
class FWCandidateProxyBuilder : public FWSimpleProxyBuilderTemplate<reco::Candidate> {
public:
FWCandidateProxyBuilder() {}
~FWCandidateProxyBuilder() override {}
void setItem(const FWEventItem* iItem) override {
FWProxyBuilderBase::setItem(iItem);
if (iItem) {
iItem->getConfig()->assertParam("Draw backward extrapolation", false);
}
}
REGISTER_PROXYBUILDER_METHODS();
FWCandidateProxyBuilder(const FWCandidateProxyBuilder&) = delete; // stop default
const FWCandidateProxyBuilder& operator=(const FWCandidateProxyBuilder&) = delete; // stop default
private:
using FWSimpleProxyBuilderTemplate<reco::Candidate>::build;
void build(const reco::Candidate& iData, unsigned int iIndex, TEveElement& oItemHolder, const FWViewContext*) override;
};
void FWCandidateProxyBuilder::build(const reco::Candidate& iData,
unsigned int iIndex,
TEveElement& oItemHolder,
const FWViewContext*) {
TEveTrack* trk = fireworks::prepareCandidate(iData, context().getTrackPropagator());
trk->MakeTrack();
setupAddElement(trk, &oItemHolder);
if (item()->getConfig()->value<bool>("Draw backward extrapolation")) {
TEveRecTrack t;
t.fBeta = 1.;
t.fV = TEveVector(iData.vx(), iData.vy(), iData.vz());
t.fP = TEveVector(-iData.p4().px(), -iData.p4().py(), -iData.p4().pz());
t.fSign = iData.charge();
TEveTrack* trk2 = new TEveTrack(&t, context().getTrackPropagator());
trk2->SetLineStyle(7);
trk2->MakeTrack();
setupAddElement(trk2, &oItemHolder);
}
}
//
// static member functions
//
REGISTER_FWPROXYBUILDER(FWCandidateProxyBuilder,
reco::Candidate,
"Candidates",
FWViewType::kAll3DBits | FWViewType::kAllRPZBits);
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