FWTrackingParticleProxyBuilder.cc

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/*
 *  FWTrackingParticleProxyBuilder.cc
 *  FWorks
 *
 *  Created by Ianna Osborne on 9/9/10.
 *
 */

#include "Fireworks/Core/interface/FWSimpleProxyBuilderTemplate.h"
#include "Fireworks/Core/interface/Context.h"
#include "Fireworks/Core/interface/FWEventItem.h"
#include "Fireworks/Core/interface/FWGeometry.h"
#include "SimDataFormats/TrackingAnalysis/interface/TrackingParticle.h"

#include "Fireworks/Core/interface/FWProxyBuilderConfiguration.h"
#include "Fireworks/Core/interface/FWParameters.h"

#include "TEveTrack.h"

class FWTrackingParticleProxyBuilder : public FWSimpleProxyBuilderTemplate<TrackingParticle> {
public:
  FWTrackingParticleProxyBuilder(void) {}
  ~FWTrackingParticleProxyBuilder(void) override {}

  void setItem(const FWEventItem* iItem) override {
    FWProxyBuilderBase::setItem(iItem);
    iItem->getConfig()->assertParam("Point Size", 1l, 3l, 1l);
  }

  REGISTER_PROXYBUILDER_METHODS();

  // Disable default copy constructor
  FWTrackingParticleProxyBuilder(const FWTrackingParticleProxyBuilder&) = delete;
  // Disable default assignment operator
  const FWTrackingParticleProxyBuilder& operator=(const FWTrackingParticleProxyBuilder&) = delete;

private:
  using FWSimpleProxyBuilderTemplate<TrackingParticle>::build;
  void build(const TrackingParticle& iData,
             unsigned int iIndex,
             TEveElement& oItemHolder,
             const FWViewContext*) override;
};

void FWTrackingParticleProxyBuilder::build(const TrackingParticle& iData,
                                           unsigned int iIndex,
                                           TEveElement& oItemHolder,
                                           const FWViewContext*) {
  TEveRecTrack t;
  t.fBeta = 1.0;
  t.fP = TEveVector(iData.px(), iData.py(), iData.pz());
  t.fV = TEveVector(iData.vx(), iData.vy(), iData.vz());
  t.fSign = iData.charge();

  TEveTrack* track = new TEveTrack(&t, context().getTrackPropagator());
  if (t.fSign == 0)
    track->SetLineStyle(7);

  track->MakeTrack();
  setupAddElement(track, &oItemHolder);
}

REGISTER_FWPROXYBUILDER(FWTrackingParticleProxyBuilder,
                        TrackingParticle,
                        "TrackingParticles",
                        FWViewType::kAll3DBits | FWViewType::kAllRPZBits);