GenfitVisModule.cc

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#include "tracking/modules/genfitVisModule/GenfitVisModule.h"
 
#include <framework/datastore/StoreArray.h>
 
#include <geometry/GeometryManager.h>
#include <genfit/Track.h>
#include <genfit/FieldManager.h>
#include <genfit/MaterialEffects.h>
 
#include <TGeoManager.h>
 
using namespace Belle2;
 
//-----------------------------------------------------------------
//                 Register the Module
//-----------------------------------------------------------------
REG_MODULE(GenfitVis);
 
//-----------------------------------------------------------------
//                 Implementation
//-----------------------------------------------------------------
 
GenfitVisModule::GenfitVisModule() : Module()
{
  // Set module properties
  setDescription("Visualize genfit::Tracks using the genfit::EventDisplay.");
 
  // Parameter definitions
  addParam("onlyBadTracks", m_onlyBadTracks, "show only unfitted and unconverged tracks", false);
 
}
 
void GenfitVisModule::initialize()
{
  if (!genfit::MaterialEffects::getInstance()->isInitialized())
    B2FATAL("No material effects setup.  Please use SetupGenfitExtrapolationModule.");
 
  if (gGeoManager == nullptr) {
    B2INFO("Setting up TGeo geometry for visualization.");
    geometry::GeometryManager& geoManager = geometry::GeometryManager::getInstance();
    geoManager.createTGeoRepresentation();
  }
  if (!gGeoManager)
    B2FATAL("Couldn't create TGeo geometry.");
 
  if (!genfit::FieldManager::getInstance()->isInitialized()) {
    B2FATAL("Magnetic field not set up.  Please use SetupGenfitExtrapolationModule.");
  }
 
  m_display = genfit::EventDisplay::getInstance();
}
 
void GenfitVisModule::event()
{
  StoreArray < genfit::Track > gfTracks("GF2Tracks");
  std::vector<const genfit::Track*> tracks;
 
  const int nTracks = gfTracks.getEntries();
  for (int iTrack = 0; iTrack < nTracks; ++iTrack) {
    const genfit::Track* tr = gfTracks[iTrack];
    if (m_onlyBadTracks &&
        tr->getFitStatus()->isFitted() &&
        tr->getFitStatus()->isFitConverged())
      continue;
    //std::cout << " =============== pushing track ======= " << std::endl;
    tracks.push_back(tr);
  }
 
  if (tracks.size() > 0)
    m_display->addEvent(tracks);
}
 
void GenfitVisModule::endRun()
{
  m_display->open();
}
 
void GenfitVisModule::terminate()
{
}