TimeFrameDefinitions.h

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/*
    Copyright (C) 2003 - 2007-10-08, Hammersmith Imanet Ltd
    Copyright (C) 2013, University College London
    This file is part of STIR.
 
    SPDX-License-Identifier: Apache-2.0
 
    See STIR/LICENSE.txt for details
*/
#ifndef __stir_TimeFrameDefinitions_H__
#define __stir_TimeFrameDefinitions_H__
 
#include "stir/common.h"
#include <string>
#include <vector>
#include <utility>
 
START_NAMESPACE_STIR
class TimeFrameDefinitions
{
public:
  TimeFrameDefinitions();


  explicit TimeFrameDefinitions(const std::string& fdef_filename);


  TimeFrameDefinitions(const std::vector<std::pair<double, double>>&);


  TimeFrameDefinitions(const std::vector<double>& start_times, const std::vector<double>& durations);

  TimeFrameDefinitions(const TimeFrameDefinitions&, unsigned int frame_num);


  double get_start_time(unsigned int frame_num) const;
  double get_end_time(unsigned int frame_num) const;
  double get_duration(unsigned int frame_num) const;

  double get_start_time() const;
  double get_end_time() const;

  unsigned int get_num_frames() const;
  unsigned int get_num_time_frames() const;


  unsigned int get_time_frame_num(const double start_time, const double end_time) const;

  void set_num_time_frames(int num_time_frames) { frame_times.resize(num_time_frames); }

  void set_time_frame(const unsigned int frame_num, const double start, const double end);
 
  bool operator==(const TimeFrameDefinitions& t) const;
 
private:
  std::vector<std::pair<double, double>> frame_times;
  void read_fdef_file(const std::string& filename);
};
 
END_NAMESPACE_STIR
#endif