db/d8b/TutorialVertexFinderAlgorithm_8cpp_source.html

// This file is part of the Acts project.

//

// Copyright (C) 2020 CERN for the benefit of the Acts project

//

// This Source Code Form is subject to the terms of the Mozilla Public

// License, v. 2.0. If a copy of the MPL was not distributed with this

// file, You can obtain one at http://mozilla.org/MPL/2.0/.


#include "ActsExamples/Vertexing/TutorialVertexFinderAlgorithm.hpp"


#include "Acts/MagneticField/ConstantBField.hpp"

#include "Acts/MagneticField/MagneticFieldContext.hpp"

#include "Acts/Propagator/EigenStepper.hpp"

#include "Acts/Propagator/Propagator.hpp"

#include "Acts/Surfaces/PerigeeSurface.hpp"

#include "Acts/Utilities/Units.hpp"

#include "Acts/Vertexing/AdaptiveMultiVertexFinder.hpp"

#include "Acts/Vertexing/AdaptiveMultiVertexFitter.hpp"

#include "Acts/Vertexing/HelicalTrackLinearizer.hpp"

#include "Acts/Vertexing/ImpactPointEstimator.hpp"

#include "Acts/Vertexing/LinearizedTrack.hpp"

#include "Acts/Vertexing/TrackDensityVertexFinder.hpp"

#include "Acts/Vertexing/Vertex.hpp"

#include "Acts/Vertexing/VertexFinderConcept.hpp"

#include "Acts/Vertexing/VertexingOptions.hpp"

#include "ActsExamples/Framework/RandomNumbers.hpp"

#include "ActsExamples/Framework/WhiteBoard.hpp"


#include "VertexingHelpers.hpp"


ActsExamples::TutorialVertexFinderAlgorithm::TutorialVertexFinderAlgorithm(

    const Config& cfg, Acts::Logging::Level lvl)

    : ActsExamples::BareAlgorithm("TutorialVertexFinder", lvl), m_cfg(cfg) {

  if (m_cfg.inputTrackParameters.empty()) {

    throw std::invalid_argument("Missing input track parameters collection");

  }

  if (m_cfg.outputProtoVertices.empty()) {

    throw std::invalid_argument("Missing output proto vertices collection");

  }

}


ActsExamples::ProcessCode ActsExamples::TutorialVertexFinderAlgorithm::execute(

    const ActsExamples::AlgorithmContext& ctx) const {

  // retrieve input tracks and convert into the expected format

  const auto& inputTrackParameters =

      ctx.eventStore.get<TrackParametersContainer>(m_cfg.inputTrackParameters);

  const auto& inputTrackPointers =

      makeTrackParametersPointerContainer(inputTrackParameters);

  //* Do not change the code above this line *//


  //* Remove following 2 lines. Only here to suppress unused variable errors *//

  (void)(inputTrackParameters);

  (void)(inputTrackPointers);


  /*****   Note: This is a skeleton file to be filled with tutorial code  *****/

  /*****   provided in the Acts Docs - Vertexing section under the link:  *****/

  /* https://acts.readthedocs.io/en/latest/howto/setup_and_run_vertexing.html */

  /*** or in the Acts repository in  docs/howto/setup_and_run_vertexing.md  ***/


  /*     Add the tutorial example code here    */

  /*  For the full tutorial code please refer  */

  /* to AdaptiveMultiVertexFinderAlgorithm.cpp */


  //* Do not change the code below this line *//

  return ActsExamples::ProcessCode::SUCCESS;

}