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Add better error/debug messages

This commit is contained in:
Shahram Najm 2023-09-20 12:06:39 +01:00
parent 8ffaf277db
commit ef24c8f947
1 changed files with 10 additions and 4 deletions
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14
src/grib_iterator_class_regular.cc
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@ -98,6 +98,7 @@ static void init_class(grib_iterator_class* c)
}
/* END_CLASS_IMP */
#define ITER "Regular grid Geoiterator"
static int next(grib_iterator* iter, double* lat, double* lon, double* val)
{
@ -148,7 +149,7 @@ static int init(grib_iterator* iter, grib_handle* h, grib_arguments* args)
long Ni; /* Number of points along a parallel = Nx */
long Nj; /* Number of points along a meridian = Ny */
double idir, lon1, lon2;
double idir, idir_coded, lon1, lon2;
long loi;
const char* s_lon1 = grib_arguments_get_name(h, args, self->carg++);
@ -163,22 +164,23 @@ static int init(grib_iterator* iter, grib_handle* h, grib_arguments* args)
return ret;
if ((ret = grib_get_double_internal(h, s_idir, &idir))) // can be GRIB_MISSING_DOUBLE
return ret;
idir_coded = idir;
if ((ret = grib_get_long_internal(h, s_Ni, &Ni)))
return ret;
if (grib_is_missing(h, s_Ni, &ret) && ret == GRIB_SUCCESS) {
grib_context_log(h->context, GRIB_LOG_ERROR, "Key %s cannot be 'missing' for a regular grid!", s_Ni);
grib_context_log(h->context, GRIB_LOG_ERROR, "%s: Key %s cannot be 'missing' for a regular grid!", ITER, s_Ni);
return GRIB_WRONG_GRID;
}
if ((ret = grib_get_long_internal(h, s_Nj, &Nj)))
return ret;
if (grib_is_missing(h, s_Nj, &ret) && ret == GRIB_SUCCESS) {
grib_context_log(h->context, GRIB_LOG_ERROR, "Key %s cannot be 'missing' for a regular grid!", s_Nj);
grib_context_log(h->context, GRIB_LOG_ERROR, "%s: Key %s cannot be 'missing' for a regular grid!", ITER, s_Nj);
return GRIB_WRONG_GRID;
}
if (Ni*Nj != iter->nv) {
grib_context_log(h->context, GRIB_LOG_ERROR, "Geoiterator: Ni*Nj!=numberOfDataPoints (%ld*%ld!=%zu)", Ni,Nj,iter->nv);
grib_context_log(h->context, GRIB_LOG_ERROR, "%s: Ni*Nj!=numberOfDataPoints (%ld*%ld!=%zu)", ITER, Ni, Nj, iter->nv);
return GRIB_WRONG_GRID;
}
@ -223,6 +225,10 @@ static int init(grib_iterator* iter, grib_handle* h, grib_arguments* args)
self->las = (double*)grib_context_malloc(h->context, Nj * sizeof(double));
self->los = (double*)grib_context_malloc(h->context, Ni * sizeof(double));
if (idir != idir_coded) {
grib_context_log(h->context, GRIB_LOG_DEBUG, "%s: Using idir=%g (coded value=%g)", ITER, idir, idir_coded);
}
for (loi = 0; loi < Ni; loi++) {
self->los[loi] = lon1;
lon1 += idir;