Transformations.h

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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
 
#ifndef O2_MCH_GEOMETRY_TRANSFORMER_TRANSFORMATIONS_H
#define O2_MCH_GEOMETRY_TRANSFORMER_TRANSFORMATIONS_H
 
#include "MathUtils/Cartesian.h"
#include <array>
#include <tuple>
#include <gsl/span>
#include <functional>
 
class TGeoManager;
 
namespace o2::mch::geo
{
 
using TransformationCreator = std::function<o2::math_utils::Transform3D(int detElemId)>;
 
TransformationCreator transformationFromTGeoManager(const TGeoManager& geo);
 
TransformationCreator transformationFromJSON(std::istream& in);
 
extern std::array<int, 156> allDeIds;
 
std::array<double, 9> angles2matrix(double yaw, double pitch, double roll);
 
std::tuple<double, double, double> matrix2angles(gsl::span<double> rot);
} // namespace o2::mch::geo
 
#endif