eccodes/examples/C/bufr_copy_data.c

113 lines
4.1 KiB
C

/*
* (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.
*/
/*
* C Implementation: bufr_copy_data
*
* Description: How to copy all the values in the data section that are present in the same
* position in the data tree and with the same number of values to the output handle
*
*/
#include "eccodes.h"
static void usage(const char* progname);
int main(int argc, char* argv[])
{
FILE* f = NULL;
codes_handle* h = NULL;
codes_handle* ho = NULL;
long size;
char** keys = NULL;
size_t nkeys = 0, i;
int err = 0;
char* outfile = NULL;
const char* sampleName = "BUFR3";
const long ibitmap[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 0 };
const long ud[] = { 307011, 7006, 10004, 222000, 101023, 31031, 1031, 1032, 101023, 33007,
225000, 236000, 101023, 31031, 1031, 1032, 8024, 101001, 225255, 225000,
236000, 101023, 31031, 1031, 1032, 8024, 101001, 225255,
1063, 2001, 4001, 4002, 4003, 4004, 4005, 5002,
6002, 7001, 7006, 11001, 11016, 11017, 11002 };
if (argc != 3) usage(argv[0]);
outfile = argv[2];
f = fopen(argv[1], "rb");
if (!f) {
perror(argv[1]);
exit(1);
}
ho = codes_bufr_handle_new_from_samples(NULL, sampleName);
if (ho == NULL) {
fprintf(stderr, "Error: creating BUFR from %s\n", sampleName);
fclose(f);
return 1;
}
size = sizeof(ibitmap) / sizeof(ibitmap[0]);
CODES_CHECK(codes_set_long_array(ho, "inputDataPresentIndicator", ibitmap, size), 0);
CODES_CHECK(codes_set_long(ho, "bufrHeaderCentre", 98), 0);
CODES_CHECK(codes_set_long(ho, "updateSequenceNumber", 1), 0);
CODES_CHECK(codes_set_long(ho, "dataCategory", 0), 0);
CODES_CHECK(codes_set_long(ho, "dataSubCategory", 140), 0);
CODES_CHECK(codes_set_long(ho, "masterTablesVersionNumber", 13), 0);
CODES_CHECK(codes_set_long(ho, "localTablesVersionNumber", 1), 0);
CODES_CHECK(codes_set_long(ho, "typicalYearOfCentury", 15), 0);
CODES_CHECK(codes_set_long(ho, "typicalMonth", 5), 0);
CODES_CHECK(codes_set_long(ho, "typicalDay", 4), 0);
CODES_CHECK(codes_set_long(ho, "typicalHour", 9), 0);
CODES_CHECK(codes_set_long(ho, "typicalMinute", 30), 0);
CODES_CHECK(codes_set_long(ho, "numberOfSubsets", 1), 0);
CODES_CHECK(codes_set_long(ho, "observedData", 1), 0);
CODES_CHECK(codes_set_long(ho, "compressedData", 0), 0);
size = sizeof(ud) / sizeof(ud[0]);
codes_set_long_array(ho, "unexpandedDescriptors", ud, size);
while ((h = codes_handle_new_from_file(0, f, PRODUCT_BUFR, &err)) != NULL) {
/* codes_copy_key(h,ho,"unexpandedDescriptors",0); */
err = codes_set_long(h, "unpack", 1);
if (err) {
fprintf(stderr, "Error: Unable to unpack BUFR message. Quitting\n");
fprintf(stderr, " %s\n", codes_get_error_message(err));
return 1;
}
/* err=codes_bufr_copy_data(h,ho); */
keys = codes_bufr_copy_data_return_copied_keys(h, ho, &nkeys, &err);
for (i = 0; i < nkeys; i++) {
printf("Copied %s\n", keys[i]);
free(keys[i]);
}
printf("Total number of copied keys = %zu\n", nkeys);
free(keys);
codes_handle_delete(h);
}
fclose(f);
codes_write_message(ho, outfile, "w");
codes_handle_delete(ho);
return err;
}
static void usage(const char* progname)
{
printf("\nUsage: %s bufr_in bufr_out\n", progname);
exit(1);
}