mirror of https://github.com/ecmwf/eccodes.git
59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
#include <assert.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "grib_api.h"
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int main(int argc, char *argv[])
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{
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int ret=0;
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grib_handle* h;
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double missing=99999;
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double* values;
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long numberOfPointsAlongAParallel,numberOfPointsAlongAMeridian,numberOfPoints,i,j,k;
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int option_flags;
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h = grib_handle_new_from_template(0,"bitmap");
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if(!h) {
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printf("ERROR: Unable to create grib handle\n");
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exit(1);
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}
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grib_set_double(h,"latitudeOfFirstGridPointInDegrees",10);
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grib_set_double(h,"longitudeOfFirstGridPointInDegrees",-10);
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grib_set_double(h,"latitudeOfLastGridPointInDegrees",-10);
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grib_set_double(h,"longitudeOfLastGridPointInDegrees",10);
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grib_set_double(h,"jDirectionIncrementInDegrees",0.5);
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grib_set_double(h,"iDirectionIncrementInDegrees",0.5);
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grib_get_long( h,"numberOfPointsAlongAParallel",&numberOfPointsAlongAParallel);
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grib_get_long( h,"numberOfPointsAlongAMeridian",&numberOfPointsAlongAMeridian);
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numberOfPoints=numberOfPointsAlongAMeridian*numberOfPointsAlongAMeridian;
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values=(double*)malloc(numberOfPoints*sizeof(double));
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grib_set_double( h,"missingValue",missing);
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for (j=0;j<numberOfPointsAlongAMeridian;j++) {
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for (i=0;i<numberOfPointsAlongAParallel;i++) {
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k=i+numberOfPointsAlongAParallel*j;
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if (i==j) values[k]=missing;
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else values[k]=50;
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}
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}
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grib_set_double_array( h,"values",values,numberOfPoints);
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if (h) {
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grib_dump_content(h,stdout,"serialize",option_flags,NULL);
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} else {
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printf("Error: unable to create grib_handle\n");
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}
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return ret;
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}
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