libeccodes-data 2.0.2-5 / usr / share / eccodes / definitions / grib2 / section.1.def

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# Copyright 2005-2016 ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
# 
# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
#


position offsetSection1;
section_length[4] section1Length ;
meta section1Pointer section_pointer(offsetSection1,section1Length,1);

unsigned[1] numberOfSection = 1 :read_only;

codetable[2] centre  'grib2/centre.table' : dump,string_type;
alias identificationOfOriginatingGeneratingCentre=centre;
meta centreDescription codetable_title(centre);


alias parameter.centre=centre;
alias ls.centre=centre;
alias originatingCentre=centre;


unsigned[2] subCentre  : dump;

_if (subCentre==98 ) {
alias centreForLocal=subCentre;
} else {
alias centreForLocal=centre;
}

codetable[1] tablesVersion 'grib2/tables/1.0.table' = 5 : edition_specific;
alias gribMasterTablesVersionNumber=tablesVersion;

transient masterDir="grib2/tables/[tablesVersion]";
when (tablesVersion!=255) {
  set masterDir="grib2/tables/[tablesVersion]";
} else {
  set masterDir="grib2/tables/4";
}

codetable[1] localTablesVersion 'grib2/tables/[tablesVersion]/1.1.table' ;
alias versionNumberOfGribLocalTables=localTablesVersion;

transient localDir="";
if (localTablesVersion != 0) {
  transient localDir="grib2/tables/local/[centre]/[localTablesVersion]";
}

#  Significance of Reference Time
codetable[1] significanceOfReferenceTime ('1.2.table',masterDir,localDir) = 1 : dump;

#  Year
# (4 digits)
unsigned[2] year ;

#  Month
unsigned[1] month ;

#  Day
unsigned[1] day ;

#  Hour
unsigned[1] hour ;

#  Minute
unsigned[1] minute ;

#  Second
unsigned[1] second ;

meta    dataDate    g2date(year,month,day) : dump;
alias mars.date = dataDate;
alias ls.date = dataDate;

meta julianDay julian_day(dataDate,hour,minute,second) : edition_specific;

meta      dataTime    time(hour,minute,second) : dump;
alias mars.time = dataTime;


#  Production status of processed data in this GRIB message
codetable[1] productionStatusOfProcessedData ('1.3.table',masterDir,localDir) : dump;

#  Type of processed data in this GRIB message
codetable[1] typeOfProcessedData ('1.4.table',masterDir,localDir) = 255  : dump,string_type,no_fail;

alias ls.dataType=typeOfProcessedData;

meta md5Section1 md5(offsetSection1,section1Length);

meta selectStepTemplateInterval select_step_template(productDefinitionTemplateNumber,0); # 0 -> not instant
meta selectStepTemplateInstant  select_step_template(productDefinitionTemplateNumber,1); # 1 -> instant

transient stepTypeInternal="instant" : hidden,no_copy;

concept stepType {
    "instant" = {selectStepTemplateInstant=1; stepTypeInternal="instant";}
    "avg"     = {selectStepTemplateInterval=1; stepTypeInternal="avg";}
    "avgd"    = {selectStepTemplateInterval=1; stepTypeInternal="avgd";}
    "accum"   = {selectStepTemplateInterval=1; stepTypeInternal="accum";}
    "max"     = {selectStepTemplateInterval=1; stepTypeInternal="max";}
    "min"     = {selectStepTemplateInterval=1; stepTypeInternal="min";}
    "diff"    = {selectStepTemplateInterval=1; stepTypeInternal="diff";}
    "rms"     = {selectStepTemplateInterval=1; stepTypeInternal="rms";}
    "sd"      = {selectStepTemplateInterval=1; stepTypeInternal="sd";}
    "cov"     = {selectStepTemplateInterval=1; stepTypeInternal="cov";}
    "ratio"   = {selectStepTemplateInterval=1; stepTypeInternal="ratio";}
}

transient setCalendarId = 0 ;
transient deleteCalendarId = 0 ;
alias calendarIdPresent = zero;
if ( ((section1Length > 21) or setCalendarId > 0) and deleteCalendarId == 0) {
  alias calendarIdPresent = present;
  codetable[2] calendarIdentificationTemplateNumber ('1.5.table',masterDir,localDir) : dump,string_type,no_fail;
  template calendarIdentification "grib2/template.1.[calendarIdentificationTemplateNumber:l].def";
}

concept is_uerra(zero) {
   '1' = {productionStatusOfProcessedData=9;}
   '1' = {productionStatusOfProcessedData=8;}
   '0' = {dummy=1;}
}

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