if (localDefinitionNumber ==35) {
	alias mars.date   = dataDate;
	alias mars.time   = dataTime;
} else {
	# era 40
	alias mars.date   = dateOfAnalysis;
	alias mars.time   = timeOfAnalysis;
}

if (class is "od") { alias mars.origin = centre; }

# Special rule for Grib 2 local definition 11:
# Key "centre" should be set to ECMWF and key "originatingCentreOfAnalysis"
# should be the original centre
if (editionNumber == 2 && localDefinitionNumber == 11) {
  alias mars.origin = originatingCentreOfAnalysis;
}

# We need this because 'jDirectionIncrementInDegrees,iDirectionIncrementInDegrees,' is defined later
meta marsGrid sprintf("%g/%g",iDirectionIncrementInDegrees,jDirectionIncrementInDegrees) : dump;
alias mars.grid = marsGrid;