otbDateUtils.h

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/*=========================================================================
 
  Program:   gapfilling
  Language:  C++
 
  Copyright (c) Jordi Inglada. All rights reserved.
 
  See LICENCE for details.
 
  This software is distributed WITHOUT ANY WARRANTY; without even
  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  PURPOSE.  See the above copyright notices for more information.
 
=========================================================================*/
#ifndef _DATEUTILS_H_
#define _DATEUTILS_H_
 
#include <ctime>
#include <vector>
#include <string>
#include <map>
#include <vnl/vnl_vector.h>
#include <boost/algorithm/string.hpp>
 
bool operator<(std::tm x, std::tm y);
 
namespace GapFilling {
using PrecisionType = double;
using VectorType = vnl_vector<PrecisionType>;
using DateVector=std::vector<std::tm>;
 
std::vector<std::string> string_split(const std::string& s, const std::string& sep);
 
std::string pad_int(int x);
 
std::tm make_date(const std::string& d);
 
int delta_days(std::tm t1, std::tm t2);
 
unsigned int doy(const std::tm& d);
 
 
struct doy_multi_year
{
  doy_multi_year() = default;
  doy_multi_year(unsigned int d_prev_init) : d_prev{d_prev_init}
  {
    first_date = false;
  }
  unsigned int operator()(const std::tm& d)
  {
    auto tmp_doy = doy(d);
    if(!first_date) 
      {
      if(tmp_doy < d_prev-365*year_count)
        ++year_count;
      tmp_doy += 365*year_count;
      }
    else
      { 
      first_date = false;
      }
    d_prev = tmp_doy;
    return tmp_doy;
  };
  unsigned int year_count = 0;
  unsigned int d_prev = 0;
  bool first_date = true;
};
 
DateVector parse_date_file(const std::string& df);
 
std::pair<DateVector, int> parse_dates_csv_file(const std::string& df, int year);
 
std::vector<VectorType> get_csv_profiles(const std::string& fname, int pos, int ndates);
 
DateVector parse_dates_sirhyus(const std::string& fname);
 
std::vector<std::pair<long int, VectorType>> get_sirhyus_profiles(const std::string& df, 
                                                                  unsigned int nbDates);
int months(const std::string& m);
}
 
#endif