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GRIB-428: grib_to_netcdf file size limit

This commit is contained in:
Shahram Najm 2014-01-29 23:29:17 +00:00
parent bd44343789
commit f10c1a4bb7
1 changed files with 15 additions and 1 deletions
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16
tools/grib_to_netcdf.c
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@ -2060,6 +2060,11 @@ static void check_err(const int stat, const int line, const char *file)
if(stat != NC_NOERR)
{
(void) fprintf(stderr, "line %d of %s: %s\n", line, file, nc_strerror(stat));
if (stat == NC_EVARSIZE) {
(void) fprintf(stderr, "\nPlease invoke with the '-L' option to create a 64-bit offset format file, "
"instead of a netCDF classic format file.\n");
}
exit(1);
}
}
@ -3659,6 +3664,7 @@ grib_option grib_options[] = {
{ "f", 0, 0, 0, 1, 0 },
{ "o:", "output file", "\n\t\tThe name of the netcdf file.\n", 1, 1, 0 },
{ "V", 0, 0, 0, 1, 0 },
{ "L", 0, "Create netcdf in 64-bit offset format (for very large files).\n", 0, 1, 0 },
{ "M", 0, 0, 0, 1, 0 }
};
@ -3666,6 +3672,7 @@ int grib_options_count = sizeof(grib_options) / sizeof(grib_option);
static fieldset *fs = NULL;
static request* data_r = NULL;
request *user_r = NULL;
static int create_64bit_offset_format = 0; /* by default create classic format */
int main(int argc, char *argv[])
{
@ -3752,6 +3759,9 @@ int grib_tool_init(grib_runtime_options* options)
else
set_value(user_r, "usevalidtime", "true");
if(grib_options_on("L"))
create_64bit_offset_format = true; /* Switch to large file format */
if(grib_options_on("R:"))
{
char* theArg = grib_options_get_option("R:");
@ -3918,6 +3928,7 @@ int grib_tool_finalise_action(grib_runtime_options* options)
int ncid;
int stat;
int err = 0;
int creation_mode = NC_CLOBBER;
if(options->outfile==NULL || options->outfile->name==NULL)
{
@ -3951,7 +3962,10 @@ int grib_tool_finalise_action(grib_runtime_options* options)
printf("%s: Creating netcdf file '%s'\n", grib_tool_name, options->outfile->name);
printf("%s: NetCDF library version: %s\n", grib_tool_name, nc_inq_libvers());
stat = nc_create(options->outfile->name, NC_CLOBBER, &ncid);
if (create_64bit_offset_format)
creation_mode = NC_CLOBBER | NC_64BIT_OFFSET;
stat = nc_create(options->outfile->name, creation_mode, &ncid);
check_err(stat, __LINE__, __FILE__);
/* Define netcdf dataset */