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// -*- C++ -*-
//
// Package: Tracks
// Class : FWTrackProxyBuilder
//
// Implementation:
// <Notes on implementation>
//
// Original Author: Chris Jones
// Created: Tue Nov 25 14:42:13 EST 2008
//
// system include files
#include "TEveTrack.h"
// user include files
#include "Fireworks/Core/interface/FWSimpleProxyBuilderTemplate.h"
#include "Fireworks/Core/interface/FWEventItem.h"
#include "Fireworks/Core/interface/FWProxyBuilderConfiguration.h"
#include "Fireworks/Core/interface/FWMagField.h"
#include "Fireworks/Tracks/interface/TrackUtils.h"
#include "Fireworks/Tracks/interface/estimate_field.h"
#include "DataFormats/TrackReco/interface/Track.h"
class FWTrackProxyBuilder : public FWSimpleProxyBuilderTemplate<reco::Track> {
public:
FWTrackProxyBuilder();
~FWTrackProxyBuilder() override;
REGISTER_PROXYBUILDER_METHODS();
void setItem(const FWEventItem* iItem) override;
FWTrackProxyBuilder(const FWTrackProxyBuilder&) = delete; // stop default
const FWTrackProxyBuilder& operator=(const FWTrackProxyBuilder&) = delete; // stop default
private:
using FWSimpleProxyBuilderTemplate<reco::Track>::build;
void build(const reco::Track& iData, unsigned int iIndex, TEveElement& oItemHolder, const FWViewContext*) override;
};
FWTrackProxyBuilder::FWTrackProxyBuilder() {}
FWTrackProxyBuilder::~FWTrackProxyBuilder() {}
void FWTrackProxyBuilder::setItem(const FWEventItem* iItem) {
FWProxyBuilderBase::setItem(iItem);
if (iItem) {
iItem->getConfig()->assertParam("LineWidth", long(1), long(1), long(4));
}
}
void FWTrackProxyBuilder::build(const reco::Track& iData,
unsigned int iIndex,
TEveElement& oItemHolder,
const FWViewContext*) {
if (context().getField()->getSource() == FWMagField::kNone) {
if (fabs(iData.eta()) < 2.0 && iData.pt() > 0.5 && iData.pt() < 30) {
double estimate = fw::estimate_field(iData, true);
if (estimate >= 0)
context().getField()->guessField(estimate);
}
}
TEveTrackPropagator* propagator =
(!iData.extra().isAvailable()) ? context().getTrackerTrackPropagator() : context().getTrackPropagator();
TEveTrack* trk = fireworks::prepareTrack(iData, propagator);
trk->MakeTrack();
// Line width can be cached as a member. Set in virtual builder::itemChanged()
int width = item()->getConfig()->value<long>("LineWidth");
trk->SetLineWidth(width);
setupAddElement(trk, &oItemHolder);
}
//
// static member functions
//
REGISTER_FWPROXYBUILDER(FWTrackProxyBuilder, reco::Track, "Tracks", FWViewType::kAll3DBits | FWViewType::kAllRPZBits);
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