AlignmentDefinitions.hpp

Go to the documentation of this file. Or view the newest version in sPHENIX GitHub for file AlignmentDefinitions.hpp

// This file is part of the Acts project.
//
// Copyright (C) 2016-2020 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/.

#pragma once

#include "Acts/Utilities/Definitions.hpp"

namespace Acts {

enum AlignmentIndices : unsigned int {
  // Center of geometry object in global 3D cartesian coordinates
  eAlignmentCenter0 = 0u,
  eAlignmentCenter1 = eAlignmentCenter0 + 1u,
  eAlignmentCenter2 = eAlignmentCenter0 + 2u,
  // Rotation angle around global x/y/z axis of geometry object
  eAlignmentRotation0 = 3u,
  eAlignmentRotation1 = eAlignmentRotation0 + 1u,
  eAlignmentRotation2 = eAlignmentRotation0 + 2u,
  // Last uninitialized value contains the total number of components
  eAlignmentSize,
};

using AlignmentScalar = double;

// Matrix and vector types related to alignment parameters.
using AlignmentVector = ActsVector<AlignmentScalar, eAlignmentSize>;
using AlignmentRowVector = ActsRowVector<AlignmentScalar, eAlignmentSize>;
using AlingmentMatrix =
    ActsMatrix<AlignmentScalar, eAlignmentSize, eAlignmentSize>;
using AlignmentToLocalCartesianMatrix =
    ActsMatrix<AlignmentScalar, 3, eAlignmentSize>;
using AlignmentToBoundMatrix =
    ActsMatrix<BoundScalar, eBoundSize, eAlignmentSize>;

}  // namespace Acts