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# (C) Copyright 2005- ECMWF.
unsigned [2] N2 : dump;
unsigned [2] codedNumberOfFirstOrderPackedValues : no_copy ;
unsigned [2] numberOfSecondOrderPackedValues : dump;
# used to extend
unsigned [1] extraValues=0 : hidden, edition_specific;
meta numberOfGroups evaluate(codedNumberOfFirstOrderPackedValues + 65536 * extraValues);
unsigned[1] groupWidth :dump;
meta bitsPerValue second_order_bits_per_value(values,binaryScaleFactor,decimalScaleFactor);
alias accuracy = bitsPerValue;
position offsetBeforeData;
if(bitmapPresent) {
meta codedValues data_g1second_order_constant_width_packing(
#simple_packing args
section4Length,
offsetBeforeData,
offsetSection4,
unitsFactor,
unitsBias,
changingPrecision,
numberOfCodedValues,
bitsPerValue,
referenceValue,
binaryScaleFactor,
decimalScaleFactor,
optimizeScaleFactor,
#g1second_order_row_by_row args
halfByte,
packingType,
grid_ieee,
precision,
widthOfFirstOrderValues,
N1,
N2,
numberOfGroups,
numberOfSecondOrderPackedValues,
extraValues,
Ni,
Nj,
pl,
jPointsAreConsecutive,
bitmap,
groupWidth
): read_only;
alias data.packedValues = codedValues;
if (boustrophedonicOrdering)
{
if (GRIBEX_boustrophedonic)
{
meta preBitmapValues data_apply_boustrophedonic_bitmap(codedValues,bitmap,missingValue,binaryScaleFactor,numberOfRows,numberOfColumns,numberOfPoints): read_only;
}
else
{
meta preBitmapValues data_apply_bitmap(codedValues,bitmap,missingValue,binaryScaleFactor) : read_only;
}
meta values data_apply_boustrophedonic(preBitmapValues,numberOfRows,numberOfColumns,numberOfPoints,pl) : dump;
}
else
{
meta values data_apply_bitmap(codedValues,bitmap,missingValue,binaryScaleFactor) : dump;
}
} else {
if (boustrophedonicOrdering) {
meta codedValues data_g1second_order_constant_width_packing(
#simple_packing args
section4Length,
offsetBeforeData,
offsetSection4,
unitsFactor,
unitsBias,
changingPrecision,
numberOfCodedValues,
bitsPerValue,
referenceValue,
binaryScaleFactor,
decimalScaleFactor,
optimizeScaleFactor,
#g1second_order_row_by_row args
halfByte,
packingType,
grid_ieee,
precision,
widthOfFirstOrderValues,
N1,
N2,
numberOfGroups,
numberOfSecondOrderPackedValues,
extraValues,
Ni,
Nj,
pl,
jPointsAreConsecutive,
bitmap,
groupWidth
) : read_only;
meta values data_apply_boustrophedonic(codedValues,numberOfRows,numberOfColumns,numberOfPoints,pl) : dump;
} else {
meta values data_g1second_order_constant_width_packing(
#simple_packing args
section4Length,
offsetBeforeData,
offsetSection4,
unitsFactor,
unitsBias,
changingPrecision,
numberOfCodedValues,
bitsPerValue,
referenceValue,
binaryScaleFactor,
decimalScaleFactor,
optimizeScaleFactor,
#g1second_order_row_by_row args
halfByte,
packingType,
grid_ieee,
precision,
widthOfFirstOrderValues,
N1,
N2,
numberOfGroups,
numberOfSecondOrderPackedValues,
extraValues,
Ni,
Nj,
pl,
jPointsAreConsecutive,
bitmap,
groupWidth
) : dump;
}
alias data.packedValues = values;
}
transient numberOfCodedValues = numberOfSecondOrderPackedValues;
meta packingError simple_packing_error(bitsPerValue,binaryScaleFactor,decimalScaleFactor,referenceValue,ibm) : no_copy;
template statistics "common/statistics_grid.def";
template missing_values "common/missing_values_grid.def";
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