# (C) Copyright 2005- ECMWF.

# TEMPLATE 5.3, Grid point data - complex packing and spatial differencing

include "grib2/template.5.packing.def";
include "grib2/template.5.original_values.def";

# Group splitting method used
codetable[1] groupSplittingMethodUsed ('5.4.table',masterDir,localDir);

# Missing value management used
codetable[1] missingValueManagementUsed ('5.5.table',masterDir,localDir);

# Primary missing value substitute
unsigned[4] primaryMissingValueSubstitute ;

# Secondary missing value substitute
unsigned[4] secondaryMissingValueSubstitute ;

# NG - Number of groups of data values into which field is split
unsigned[4] numberOfGroupsOfDataValues ;

alias NG =  numberOfGroupsOfDataValues;
# Reference for group widths
unsigned[1] referenceForGroupWidths ;

# Number of bits used for the group widths
# (after the reference value in octet 36 has been removed)
unsigned[1] numberOfBitsUsedForTheGroupWidths ;

# Reference for group lengths
unsigned[4] referenceForGroupLengths ;

# Length increment for the group lengths
unsigned[1] lengthIncrementForTheGroupLengths ;

# True length of last group
unsigned[4] trueLengthOfLastGroup ;

# Number of bits used for the scaled group lengths
# (after subtraction of the reference value given in octets 38-41 and division
# by the length increment given in octet 42)
unsigned[1] numberOfBitsForScaledGroupLengths ;
alias numberOfBitsUsedForTheScaledGroupLengths=numberOfBitsForScaledGroupLengths;

# Order of spatial differencing
codetable[1] orderOfSpatialDifferencing ('5.6.table',masterDir,localDir);

# Number of octets required in the Data Section to specify extra descriptors needed for spatial differencing
# (octets 6-ww in Data Template 7.3)
unsigned[1] numberOfOctetsExtraDescriptors ;
