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ECC-1212: mars.step computation

This commit is contained in:
Shahram Najm 2021-03-09 18:33:08 +00:00
parent 16fc6045da
commit b993b88b1a
1 changed files with 17 additions and 5 deletions
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22
definitions/grib2/template.4.localtime.def
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@ -52,12 +52,24 @@ if (numberOfForecastsUsedInLocalTime == 1) {
# need something here to compute the diff between date time of *OfForecastUsedInLocalTime and the local time defined in section 1 (dataDate and dataTime)
# this would be the offset (step) used to index data in mars as mars.step
meta DateTimeOfForecastUsedInLocalTime julian_date(yearOfForecastUsedInLocalTime, monthOfForecastUsedInLocalTime, dayOfForecastUsedInLocalTime, hourOfForecastUsedInLocalTime, minuteOfForecastUsedInLocalTime, secondOfForecastUsedInLocalTime) : hidden;
meta DateTimeOfLocalTime julian_date(dataDate, dataTime) : hidden;
transient stepOfLocalTime = DateTimeOfLocalTime - DateTimeOfForecastUsedInLocalTime : dump;
meta DateTimeOfForecastUsedInLocalTime julian_date(yearOfForecastUsedInLocalTime, monthOfForecastUsedInLocalTime, dayOfForecastUsedInLocalTime,
hourOfForecastUsedInLocalTime, minuteOfForecastUsedInLocalTime, secondOfForecastUsedInLocalTime) : hidden;
meta DateTimeOfLocalTime julian_date(dataDate, dataTime) : hidden;
meta jd1 julian_day(dateOfForecastUsedInLocalTime,
hourOfForecastUsedInLocalTime, minuteOfForecastUsedInLocalTime, secondOfForecastUsedInLocalTime);
meta jd2 julian_day(dataDate, hour,minute,second);
transient diffInDays = (jd2 - jd1) : hidden; # float
transient diffInHours = (diffInDays * 1440 + 0.5)/60 : hidden;
meta _endStep round(diffInHours, 10): dump, long_type;
transient endStep = _endStep; # needed to force it to be integer
#transient stepOfLocalTime = DateTimeOfLocalTime - DateTimeOfForecastUsedInLocalTime : dump;
alias mars.date = dateOfForecastUsedInLocalTime : dump;
alias mars.time = timeOfForecastUsedInLocalTime : dump;
#alias mars.step = stepOfLocalTime : dump;
alias mars.step = endStep;
}