trim_to_date()

template<typename T >

void ts::TimeSeriesCollection< T >::trim_to_date

(

)

Trim to same start time.

Set all start dates to the latest found in the collection.

Definition at line 181 of file tscollection.h.

References TSXX_assert.

    {
      if (this->size() > 1)
      {
        // find lastest start date
        typename Tbase::iterator i_series=this->begin();
        Theader header=i_series->header;
        libtime::TAbsoluteTime begin=header.date;
        ++i_series;
        while (i_series != this->end())
        {
          header=i_series->header;
          libtime::TAbsoluteTime thisbegin=header.date;
          begin = thisbegin > begin ? thisbegin : begin;
          ++i_series;
        }

        // adjust series and header
        i_series=this->begin();
        while (i_series != this->end())
        {
          header=i_series->header;
          long int index_offset=wid2isample(header, begin);
          TSXX_assert(index_offset >= 0,
                      "inconsistent header data");
          TSXX_assert(index_offset < header.nsamples,
                      "time series does not overlap with others");
          i_series->header.date=wid2isample(header, index_offset);
          i_series->header.nsamples -= index_offset;
          i_series->setfirstindex(i_series->f()+index_offset);
          ++i_series;
        }
      }
    } // void TimeSeriesCollection<T>::trim_to_date()