1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
# (C) Copyright 2005- ECMWF.
unsigned [2] N2 : dump;
unsigned [2] codedNumberOfGroups : no_copy ;
unsigned [2] numberOfSecondOrderPackedValues : dump;
# used to extend
unsigned [1] extraValues=0 : hidden, edition_specific;
meta numberOfGroups evaluate(codedNumberOfGroups + 65536 * extraValues);
unsigned [1] widthOfWidths : dump;
unsigned [1] widthOfLengths : dump;
unsigned [2] NL : dump;
if (orderOfSPD) {
unsigned[1] widthOfSPD ;
meta SPD spd(widthOfSPD,orderOfSPD) : read_only;
}
meta groupWidths unsigned_bits(widthOfWidths,numberOfGroups) : read_only;
meta groupLengths unsigned_bits(widthOfLengths,numberOfGroups) : read_only;
meta firstOrderValues unsigned_bits(widthOfFirstOrderValues,numberOfGroups) : read_only;
meta countOfGroupLengths sum(groupLengths);
transient numberOfCodedValues=countOfGroupLengths+orderOfSPD;
#transient numberOfCodedValues=countOfGroupLengths;
meta bitsPerValue second_order_bits_per_value(codedValues,binaryScaleFactor,decimalScaleFactor);
alias accuracy = bitsPerValue;
position offsetBeforeData;
if(bitmapPresent) {
meta codedValues data_g1second_order_general_extended_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,
firstOrderValues,
N1,
N2,
numberOfGroups,
codedNumberOfGroups,
numberOfSecondOrderPackedValues,
extraValues,
groupWidths,
widthOfWidths,
groupLengths,
widthOfLengths,
NL,
SPD,
widthOfSPD,
orderOfSPD,
numberOfPoints
): 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) {
# See ECC-1402
meta numericValues data_g1second_order_general_extended_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,
firstOrderValues,
N1,
N2,
numberOfGroups,
codedNumberOfGroups,
numberOfSecondOrderPackedValues,
extraValues,
groupWidths,
widthOfWidths,
groupLengths,
widthOfLengths,
NL,
SPD,
widthOfSPD,
orderOfSPD,
numberOfPoints) : read_only;
meta values data_apply_boustrophedonic(numericValues,numberOfRows,numberOfColumns,numberOfPoints,pl) : dump;
alias data.codedValues = values;
} else {
meta values data_g1second_order_general_extended_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,
firstOrderValues,
N1,
N2,
numberOfGroups,
codedNumberOfGroups,
numberOfSecondOrderPackedValues,
extraValues,
groupWidths,
widthOfWidths,
groupLengths,
widthOfLengths,
NL,
SPD,
widthOfSPD,
orderOfSPD,
numberOfPoints) : dump;
alias codedValues=values;
}
alias data.packedValues = values;
}
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";
|
