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
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
|
/*
* (C) Copyright 2005- 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.
*/
#include "grib_api_internal.h"
#include "eccodes.h"
static void dump_it(grib_handle* h)
{
grib_dump_content(h, stderr, "wmo", 0, nullptr);
}
// Lambert conformal conic (edition=1)
static grib_handle* lamb_conf_grib1()
{
fprintf(stderr, "Doing test %s\n-----------------\n", __func__);
int err = 0;
grib_util_grid_spec spec = {0,};
grib_util_packing_spec packing_spec = {0,};
int set_spec_flags = 0;
size_t outlen = 0; // test passing in no values
double* values = NULL;
auto* handle = grib_handle_new_from_samples(nullptr, "GRIB1");
spec.grid_type = GRIB_UTIL_GRID_SPEC_LAMBERT_CONFORMAL;
spec.Ni = 2;
spec.Nj = 2;
spec.longitudeOfFirstGridPointInDegrees = -1.;
// packing_spec.packing_type = GRIB_UTIL_PACKING_TYPE_GRID_SIMPLE;
// packing_spec.bitsPerValue = 16;
// packing_spec.accuracy = GRIB_UTIL_ACCURACY_USE_PROVIDED_BITS_PER_VALUES;
// packing_spec.packing = GRIB_UTIL_PACKING_USE_PROVIDED;
grib_handle* finalh = codes_grib_util_set_spec(
handle, &spec, &packing_spec, set_spec_flags,
values, outlen, &err);
ECCODES_ASSERT(err == 0);
return finalh;
}
// Lambert conformal conic (edition=2)
static grib_handle* lamb_conf_grib2()
{
fprintf(stderr, "Doing test %s\n-----------------\n", __func__);
int err = 0;
grib_util_grid_spec spec = {0,};
grib_util_packing_spec packing_spec = {0,};
double values[4] = { 1.1, 2.2, 3.3, 0.4 };
int set_spec_flags = 0;
size_t outlen = 4;
auto* handle = grib_handle_new_from_samples(nullptr, "GRIB2");
spec.grid_type = GRIB_UTIL_GRID_SPEC_LAMBERT_CONFORMAL;
spec.Ni = 2;
spec.Nj = 2;
// Note: For Lambert: In GRIB1 the longitude can be -ve but not in GRIB2.
// So codes_grib_util_set_spec should cater for this case
spec.longitudeOfFirstGridPointInDegrees = -1.;
// packing_spec.packing_type = GRIB_UTIL_PACKING_TYPE_GRID_SIMPLE;
// packing_spec.bitsPerValue = 16;
// packing_spec.accuracy = GRIB_UTIL_ACCURACY_USE_PROVIDED_BITS_PER_VALUES;
// packing_spec.packing = GRIB_UTIL_PACKING_USE_PROVIDED;
grib_handle* finalh = codes_grib_util_set_spec(
handle, &spec, &packing_spec, set_spec_flags,
values, outlen, &err);
ECCODES_ASSERT(err == 0);
return finalh;
}
// Lambert azimuthal equal area
static grib_handle* lamb_az()
{
fprintf(stderr, "Doing test %s\n-----------------\n", __func__);
int err = 0;
grib_util_grid_spec spec = {0,};
grib_util_packing_spec packing_spec = {0,};
double values[4] = { 1.1, 2.2, 3.3, 0.4 };
int set_spec_flags = 0;
size_t outlen = 4;
auto* handle = grib_handle_new_from_samples(nullptr, "GRIB2");
grib_set_long(handle, "tablesVersion", 32);
spec.grid_type = GRIB_UTIL_GRID_SPEC_LAMBERT_AZIMUTHAL_EQUAL_AREA;
grib_handle* finalh = grib_util_set_spec(
handle, &spec, &packing_spec, set_spec_flags,
values, outlen, &err);
ECCODES_ASSERT(err == 0);
return finalh;
}
// HEALPix
static grib_handle* healpix()
{
fprintf(stderr, "Doing test %s\n-----------------\n", __func__);
int err = 0;
grib_util_grid_spec spec = {0,};
grib_util_packing_spec packing_spec = {0,};
double values[4] = { 1.1, 2.2, 3.3, 0.4 };
int set_spec_flags = 0;
size_t outlen = 4;
auto* handle = grib_handle_new_from_samples(nullptr, "GRIB1");
spec.grid_type = GRIB_UTIL_GRID_SPEC_HEALPIX;
spec.N = 2;
packing_spec.packing_type = GRIB_UTIL_PACKING_TYPE_GRID_SECOND_ORDER;
packing_spec.packing = GRIB_UTIL_PACKING_USE_PROVIDED;
packing_spec.editionNumber = 2;
grib_handle* finalh = grib_util_set_spec(
handle, &spec, &packing_spec, set_spec_flags,
values, outlen, &err);
ECCODES_ASSERT(err == 0);
return finalh;
}
// Spherical harmonics
static grib_handle* spectral()
{
fprintf(stderr, "Doing test %s\n-----------------\n", __func__);
int err = 0;
grib_util_grid_spec spec = {0,};
grib_util_packing_spec packing_spec = {0,};
int set_spec_flags = 0;
size_t outlen = 0; // test passing in no values
double* values = NULL;
auto* handle = grib_handle_new_from_samples(nullptr, "sh_pl_grib2");
spec.grid_type = GRIB_UTIL_GRID_SPEC_SH;
spec.truncation = 20;
packing_spec.packing_type = GRIB_UTIL_PACKING_TYPE_SPECTRAL_SIMPLE; //must fail
packing_spec.bitsPerValue = 16;
packing_spec.accuracy = GRIB_UTIL_ACCURACY_USE_PROVIDED_BITS_PER_VALUES;
packing_spec.packing = GRIB_UTIL_PACKING_USE_PROVIDED;
grib_handle* finalh = grib_util_set_spec(
handle, &spec, &packing_spec, set_spec_flags,
values, outlen, &err);
ECCODES_ASSERT(err);
ECCODES_ASSERT(!finalh);
return handle;
}
// Polar stereo
static grib_handle* polar_stereo()
{
fprintf(stderr, "Doing test %s\n-----------------\n", __func__);
int err = 0;
grib_util_grid_spec spec = {0,};
grib_util_packing_spec packing_spec = {0,};
double values[4] = { 1.1, 2.2, 3.3, 0.4 };
int set_spec_flags = 0;
size_t outlen = 0;
auto* handle = grib_handle_new_from_samples(nullptr, "GRIB2");
// grib_set_long(handle, "tablesVersion", 32);
spec.grid_type = GRIB_UTIL_GRID_SPEC_POLAR_STEREOGRAPHIC;
outlen = 4;
spec.longitudeOfFirstGridPointInDegrees = -1.;
packing_spec.extra_settings_count = 1;
packing_spec.extra_settings[0].type = GRIB_TYPE_LONG;
packing_spec.extra_settings[0].name = "tablesVersion";
packing_spec.extra_settings[0].long_value = 32;
grib_handle* finalh = grib_util_set_spec(
handle, &spec, &packing_spec, set_spec_flags,
values, outlen, &err);
ECCODES_ASSERT(err == 0);
return finalh;
}
// Regular Gaussian
static grib_handle* regular_gg()
{
fprintf(stderr, "Doing test %s\n-----------------\n", __func__);
int err = 0;
grib_util_grid_spec spec = {0,};
grib_util_packing_spec packing_spec = {0,};
double values[4] = { 1.1, 2.2, 3.3, 0.4 };
int set_spec_flags = 0;
size_t outlen = 0;
auto* handle = grib_handle_new_from_samples(nullptr, "GRIB2");
spec.grid_type = GRIB_UTIL_GRID_SPEC_REGULAR_GG;
spec.Ni = spec.Nj = 2;
outlen = 4;
CODES_CHECK(codes_set_long(handle, "shapeOfTheEarth", 5), 0);
grib_handle* finalh = grib_util_set_spec(
handle, &spec, &packing_spec, set_spec_flags,
values, outlen, &err);
ECCODES_ASSERT(err == 0);
long shapeOfTheEarth=-1;
CODES_CHECK(codes_get_long(finalh, "shapeOfTheEarth", &shapeOfTheEarth), 0);
ECCODES_ASSERT( shapeOfTheEarth == 5 );
return finalh;
}
// Reduced LL
static grib_handle* reduced_ll()
{
fprintf(stderr, "Doing test %s\n-----------------\n", __func__);
int err = 0;
grib_util_grid_spec spec = {0,};
grib_util_packing_spec packing_spec = {0,};
double values[4] = { 1.1, 2.2, 3.3, 0.4 };
int set_spec_flags = 0;
size_t outlen = 0;
auto* handle = grib_handle_new_from_samples(nullptr, "GRIB2");
spec.grid_type = GRIB_UTIL_GRID_SPEC_REDUCED_LL;
spec.Nj = 2;
outlen = 4;
grib_handle* finalh = grib_util_set_spec(
handle, &spec, &packing_spec, set_spec_flags,
values, outlen, &err);
ECCODES_ASSERT(err == 0);
return finalh;
}
// Unstructured
static grib_handle* unstruct()
{
fprintf(stderr, "Doing test %s\n-----------------\n", __func__);
int err = 0;
grib_util_grid_spec spec = {0,};
grib_util_packing_spec packing_spec = {0,};
double values[4] = { 1.1, 2.2, 3.3, 0.4 };
int set_spec_flags = 0;
size_t outlen = 4;
auto* handle = grib_handle_new_from_samples(nullptr, "GRIB2");
size_t alen = 1000;
CODES_CHECK(codes_set_string(handle, "gridType", "unstructured_grid", &alen), 0);
CODES_CHECK(codes_set_long(handle, "numberOfGridInReference", 4), 0);
CODES_CHECK(codes_set_long(handle, "numberOfGridUsed", 2), 0);
CODES_CHECK(codes_set_long(handle, "shapeOfTheEarth", 6), 0);
spec.grid_type = GRIB_UTIL_GRID_SPEC_UNSTRUCTURED;
grib_handle* finalh = grib_util_set_spec(
handle, &spec, &packing_spec, set_spec_flags,
values, outlen, &err);
ECCODES_ASSERT(err == 0);
long numberOfGridInReference=-1, numberOfGridUsed=-1, shapeOfTheEarth=-1;
CODES_CHECK(codes_get_long(finalh, "numberOfGridInReference", &numberOfGridInReference), 0);
ECCODES_ASSERT( numberOfGridInReference == 4 );
CODES_CHECK(codes_get_long(finalh, "numberOfGridUsed", &numberOfGridUsed), 0);
ECCODES_ASSERT( numberOfGridUsed == 2 );
CODES_CHECK(codes_get_long(finalh, "shapeOfTheEarth", &shapeOfTheEarth), 0);
ECCODES_ASSERT( shapeOfTheEarth == 6 );
return finalh;
}
int main()
{
// using test_func = grib_handle* (*)();
for (auto func : { lamb_conf_grib1, lamb_conf_grib2, lamb_az, healpix, spectral, polar_stereo, regular_gg, reduced_ll, unstruct }) {
auto* result = func();
ECCODES_ASSERT(result != nullptr);
dump_it(result);
}
return 0;
}
|
