ObjVisualization.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2019 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"
#include "Acts/Visualization/IVisualization.hpp"

#include <array>
#include <fstream>
#include <map>
#include <sstream>
#include <string>
#include <vector>

namespace Acts {

template <typename T = double>
class ObjVisualization : public IVisualization {
 public:
  static_assert(std::is_same_v<T, double> || std::is_same_v<T, float>,
                "Use either double or float");

  using ValueType = T;

  using VertexType = ActsVector<ValueType, 3>;

  using LineType = std::pair<size_t, size_t>;

  void vertex(const Vector3D& vtx,
              IVisualization::ColorType color = {0, 0, 0}) final;

  void line(const Vector3D& a, const Vector3D& b,
            IVisualization::ColorType color = {0, 0, 0}) final;

  void face(const std::vector<Vector3D>& vtxs,
            IVisualization::ColorType color = {0, 0, 0}) final;

  void faces(const std::vector<Vector3D>& vtxs,
             const std::vector<FaceType>& faces,
             ColorType color = {0, 0, 0}) final;

  void write(const std::string& path) const final;

  void write(std::ostream& os) const final;

  void write(std::ostream& os, std::ostream& mos) const;

  void clear() final;

 private:
  std::vector<VertexType> m_vertices;
  std::vector<FaceType> m_faces;
  std::vector<LineType> m_lines;
  std::map<size_t, IVisualization::ColorType> m_lineColors;
  std::map<size_t, IVisualization::ColorType> m_vertexColors;
  std::map<size_t, IVisualization::ColorType> m_faceColors;
};

#include "detail/ObjVisualization.ipp"

}  // namespace Acts