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/*
* (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 "eccodes.h"
int main(int argc, char* argv[])
{
FILE* f;
int err = 0;
char infile[] = "../../data/reduced_gaussian_model_level.grib1";
codes_handle* h = NULL;
codes_box* box;
codes_points* points;
codes_context* c = codes_context_get_default();
double north, west, south, east;
double* val;
int i;
north = 60;
south = 10;
west = -10;
east = 30;
f = fopen(infile, "rb");
if (!f) {
perror(infile);
exit(1);
}
h = codes_handle_new_from_file(c, f, PRODUCT_GRIB, &err);
if (!h) {
printf("unable to create handle from file %s\n", infile);
exit(err);
}
box = codes_box_new(h, &err);
if (!box) {
printf("unable to create box\n");
exit(err);
}
points = codes_box_get_points(box, north, west, south, east, &err);
val = (double*)malloc(sizeof(double) * points->n);
codes_points_get_values(h, points, val);
for (i = 0; i < points->n; i++) {
printf("%d -- %.3f %.3f %ld %g\n", i,
points->latitudes[i], points->longitudes[i], (long)(points->indexes[i]), val[i]);
}
free(val);
fclose(f);
return 0;
}
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