SeedFinderFTFConfig.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2021 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/.

#pragma once

// TODO: update to C++17 style

#include "Acts/Definitions/Algebra.hpp"
#include "Acts/Definitions/Units.hpp"
#include "Acts/Seeding/SeedConfirmationRangeConfig.hpp"
#include "Acts/Seeding/TrigBase.hpp"  //definition of Trigsispacepoint base and trigtriplets

#include <memory>

// core algorithm so in acts namespace
namespace Acts {

template <typename T>
class SeedFilter;

template <typename SpacePoint>
struct SeedFinderFTFConfig {
  // // how many sigmas of scattering angle should be considered?
  float sigmaScattering = 5;

  // Seed cut
  float minPt = 400. * Acts::UnitConstants::MeV;

  std::shared_ptr<Acts::SeedFilter<SpacePoint>> seedFilter;

  //   //detector ROI
  //   // derived values, set on SeedFinder construction
  float highland = 0;
  float maxScatteringAngle2 = 0;
  //   bool isInInternalUnits = false;
  unsigned int maxSeedsPerSpM = 5;

  float m_phiSliceWidth{};
  float m_nMaxPhiSlice{};
  bool m_useClusterWidth = false;
  std::string fastrack_input_file;
  std::vector<TrigInDetSiLayer> m_layerGeometry;

  // for run function
  // m_settings:
  bool m_LRTmode = true;  // eventually want to set from full chain
  bool m_useEtaBinning = true;
  bool m_doubletFilterRZ = true;
  float m_minDeltaRadius = 5.0;  // eventually set in config or to equivalent
                                 // acts 2.0 but increasing to test loops
  // float m_maxDeltaRadius = 270.0 ;
  float m_tripletD0Max = 4.0;  // m_settings
  unsigned int m_maxTripletBufferLength = 3;

  // ROI:
  bool containsPhi() {
    return false;
    // need to implement this function
  }

  // 2 member functions
  SeedFinderFTFConfig calculateDerivedQuantities() const {
    // thorw statement if the isInternalUnits member is false, ie if dont call
    // this function
    SeedFinderFTFConfig config = *this;
    // use a formula to calculate scattering

    return config;
  }

  SeedFinderFTFConfig toInternalUnits() const {
    // throw statement if the isInternalUnits member is false, ie if dont call
    // this function
    SeedFinderFTFConfig config = *this;
    // divides inputs by 1mm, all ones input
    // changes member inInInternalUnits to true
    return config;
  }

};  // end of config struct

}  // namespace Acts