static int unpack_long (grib_accessor* a, long* val, size_t *len)
{
grib_accessor_spectral_truncation* self = (grib_accessor_spectral_truncation*)a;
int ret = 0;
long J,K,M,T,Tc;
if(*len < 1) return GRIB_ARRAY_TOO_SMALL;
if((ret = grib_get_long_internal(a->parent->h, self->J,&J))
!= GRIB_SUCCESS)
return ret;
if((ret = grib_get_long_internal(a->parent->h, self->K,&K))
!= GRIB_SUCCESS)
return ret;
if((ret = grib_get_long_internal(a->parent->h, self->M,&M))
!= GRIB_SUCCESS)
return ret;
Tc=-1;
if (J==K && K==M ) {
/* Triangular truncation */
Tc=(M+1)*(M+2);
}
if (K==J+M ) {
/* Rhomboidal truncation */
Tc=2*J*M;
}
if (J==K && K > M ) {
/* Trapezoidal truncation */
Tc=M*(2*J-M);
}
*val=Tc;
if((ret = grib_get_long_internal(a->parent->h, self->T,&T))
!= GRIB_SUCCESS) {
if (Tc == -1)
grib_context_log(a->parent->h->context, GRIB_LOG_ERROR,
"%s. Spectral Truncation Type Unknown: %s=%d %s=%d %s=%d \n",
a->name, self->J,J, self->K,K, self->M,M);
Tc=0;
grib_set_long(a->parent->h, self->T,Tc);
} else {
if (Tc != -1 && Tc != T ) grib_set_long(a->parent->h, self->T,Tc);
}
if (ret == GRIB_SUCCESS) *len = 1;
return ret;
}
static int pack_long (grib_accessor* a, const long* val, size_t *len)
{
grib_accessor_signed_bits* self = (grib_accessor_signed_bits*)a;
int ret = 0;
long off = 0;
long numberOfBits=0;
size_t buflen = 0;
unsigned char *buf = NULL;
unsigned long i = 0;
unsigned long rlen = value_count(a);
if(*len != rlen) {
ret=grib_set_long(a->parent->h,self->numberOfElements,rlen);
}
ret=grib_get_long(a->parent->h,self->numberOfBits,&numberOfBits);
if (ret) return ret;
buflen = compute_byte_count(a);
buf = grib_context_malloc_clear(a->parent->h->context,buflen+sizeof(long));
for(i=0; i < rlen;i++)
grib_encode_signed_longb(buf, val[i] , &off, numberOfBits);
grib_buffer_replace(a, buf, buflen,1,1);
grib_context_free(a->parent->h->context,buf);
return ret;
}
static int pack_double(grib_accessor* a, const double* val, size_t *len)
{
int ret=GRIB_SUCCESS;
long bitmap_present=0;
grib_accessor_data_apply_gdsnotpresent* self = (grib_accessor_data_apply_gdsnotpresent*)a;
if (*len ==0) return GRIB_NO_VALUES;
ret=grib_set_long(a->parent->h,self->bitmap_present,bitmap_present);
if(ret) {
grib_context_log(a->parent->h->context, GRIB_LOG_ERROR,
"Accessor %s cannont pack value for %s error %d \n", a->name, self->bitmap_present, ret);
return ret;
}
#if 0
if(!grib_find_accessor(a->parent->h,self->bitmap)){
grib_context_log(a->parent->h->context, GRIB_LOG_ERROR,
"Accessor %s cannont access bitmap \n", a->name, self->bitmap_present, ret);
return ret;
}
#endif
ret = grib_set_double_array_internal(a->parent->h,self->coded_values,val,*len);
if(ret) {
grib_context_log(a->parent->h->context, GRIB_LOG_ERROR,
"Accessor %s cannont pack value for %s error %d \n", a->name, self->coded_values, ret);
return ret;
}
return ret;
}
static int pack_long(grib_accessor* a, const long* val, size_t *len)
{
grib_accessor_g2_mars_labeling* self = (grib_accessor_g2_mars_labeling*)a;
char* key=NULL;
int ret=0;
switch (self->index) {
case 0:
key=(char*)self->the_class;
break;
case 1:
key=(char*)self->type;
break;
case 2:
key=(char*)self->stream;
break;
default :
grib_context_log(a->parent->h->context,GRIB_LOG_ERROR,
"invalid first argument of g2_mars_labeling in %s",a->name);
return GRIB_INTERNAL_ERROR;
break;
}
ret=grib_set_long(a->parent->h, key,*val);
if (ret) return ret; /* failed */
return extra_set(a,*val);
}
int main(int argc, char** argv) {
int err = 0;
FILE* in = NULL;
FILE* of = NULL;
long step;
char* filename=NULL;
char* ofilename=NULL;
grib_handle *h = NULL;
grib_multi_handle *mh=NULL;
if (argc < 3) usage(argv[0]);
filename=argv[1];
ofilename=argv[2];
/* open input file */
in = fopen(filename,"r");
if(!in) {
printf("ERROR: unable to open file %s\n",filename);
return 1;
}
/* new grib handle from input file */
h = grib_handle_new_from_file(0,in,&err);
GRIB_CHECK(err,0);
/* create a new empty multi field handle */
mh=grib_multi_handle_new(0);
if (!mh) {
printf("unable to create multi field handle\n");
exit(1);
}
for (step=12;step<=120;step+=12) {
/* set step */
grib_set_long(h,"step",step);
/* append h to mh repeating the sections preceding section 4 */
grib_multi_handle_append(h,4,mh);
}
/* open output file */
of=fopen(ofilename,"w");
if(!of) {
printf("ERROR: unable to open file %s\n",ofilename);
exit(1);
}
/* write multi fields handle to output file */
grib_multi_handle_write(mh,of);
fclose(of);
/* clean memory */
grib_handle_delete(h);
grib_multi_handle_delete(mh);
fclose(in);
return 0;
}
static int pack_long(grib_accessor* a, const long* val, size_t *len)
{
grib_accessor_g2_chemical* self = (grib_accessor_g2_chemical*)a;
long productDefinitionTemplateNumber=-1;
long productDefinitionTemplateNumberNew=-1;
/*long type=-1;
long stream=-1;*/
long eps=-1;
char stepType[15]={0,};
size_t slen=15;
/*int chemical = *val;*/
int isInstant=0;
/*long derivedForecast=-1;*/
int ret = 0;
if (grib_get_long(a->parent->h, self->productDefinitionTemplateNumber,&productDefinitionTemplateNumber)!=GRIB_SUCCESS)
return GRIB_SUCCESS;
/*
grib_get_long(a->parent->h, self->type,&type);
grib_get_long(a->parent->h, self->stream,&stream);
*/
ret = grib_get_string(a->parent->h, self->stepType, stepType, &slen);
Assert(ret == GRIB_SUCCESS);
eps = is_productDefinitionTemplateNumber_EPS(productDefinitionTemplateNumber);
if (!strcmp(stepType,"instant")) isInstant=1;
if ( eps == 1 ) {
if (isInstant) {
productDefinitionTemplateNumberNew=41;
} else {
productDefinitionTemplateNumberNew=43;
}
} else {
if (isInstant) {
productDefinitionTemplateNumberNew=40;
} else {
productDefinitionTemplateNumberNew=42;
}
}
if (productDefinitionTemplateNumber != productDefinitionTemplateNumberNew) {
grib_set_long(a->parent->h, self->productDefinitionTemplateNumber,productDefinitionTemplateNumberNew);
/*if (derivedForecast>=0) grib_set_long(a->parent->h, self->derivedForecast,derivedForecast);*/
}
return 0;
}
static int pack_long (grib_accessor* a, const long* val, size_t *len)
{
grib_accessor_unsigned_bits* self = (grib_accessor_unsigned_bits*)a;
int ret = 0;
long off = 0;
long numberOfBits=0;
size_t buflen = 0;
unsigned char *buf = NULL;
unsigned long i = 0;
unsigned long rlen = value_count(a);
/*
if(*len < rlen)
{
grib_context_log(a->parent->h->context, GRIB_LOG_ERROR,
"Wrong size for %s it contains %d values ", a->name , rlen );
return GRIB_ARRAY_TOO_SMALL;
}
*/
if (*len!=rlen)
ret=grib_set_long(a->parent->h,self->numberOfElements,*len);
ret=grib_get_long(a->parent->h,self->numberOfBits,&numberOfBits);
if (ret) return ret;
if (numberOfBits==0) {
grib_buffer_replace(a, NULL, 0,1,1);
return GRIB_SUCCESS;
}
buflen = compute_byte_count(a);
buf = grib_context_malloc_clear(a->parent->h->context,buflen+sizeof(long));
for(i=0; i < *len; i++)
grib_encode_unsigned_longb(buf, val[i] , &off, numberOfBits);
grib_buffer_replace(a, buf, buflen,1,1);
grib_context_free(a->parent->h->context,buf);
return ret;
}
int main(int argc, char** argv) {
int err = 0;
size_t values_len=0;
double *values = NULL;
char error_msg[100] ;
size_t slong = sizeof(long) * 8 ;
int i;
FILE* in = NULL;
char* filename ;
grib_handle *h = NULL;
if (argc<2) usage(argv[0]);
filename=argv[1];
in = fopen(filename,"r");
if(!in) {
printf("ERROR: unable to open file %s\n",filename);
return 1;
}
/* create new handle from a message in a file*/
h = grib_handle_new_from_file(0,in,&err);
if (h == NULL) {
printf("Error: unable to create handle from file %s\n",filename);
}
for (i=0;i<255;i++) {
/* get the size of the values array*/
GRIB_CHECK(grib_get_size(h,"values",&values_len),0);
values = malloc(values_len*sizeof(double));
err = grib_get_double_array(h,"values",values,&values_len);
GRIB_CHECK(grib_set_long(h,"bitsPerValue",i),0);
err = grib_set_double_array(h,"values",values,values_len);
free(values);
values = 0;
/*
* check if encoding of the data fails when the number of bpv
* is not supported; bpv allowed on decoding is bpv < size of long
*/
if (i < slong && err == 0) {
/* do nothing */
} else if (i >= slong && err == GRIB_INVALID_BPV) {
/* do nothing */
} else {
sprintf(error_msg,"Error decoding when bpv=%d. Error message:%s",i,grib_get_error_message(err));
perror(error_msg);
exit(1);
}
values = malloc(values_len*sizeof(double));
err = grib_get_double_array(h,"values",values,&values_len);
/*
* check if decoding of the data fails when the number of bpv
* is not supported; bpv allowed on decoding is bpv <= size of long
*/
if (i <= slong && err == 0) {
/* do nothing */
} else if (i > slong && err == GRIB_INVALID_BPV) {
/* do nothing */
} else {
sprintf(error_msg,"Error decoding when bpv=%d. Error message:%s",i,grib_get_error_message(err));
perror(error_msg);
exit(1);
}
free(values);
values = 0;
}
grib_handle_delete(h);
h=0;
fclose(in);
return 0;
}
int codes_set_long(grib_handle* h, const char* key, long val)
{
return grib_set_long(h,key,val);
}
int main(int argc, char* argv[]) {
int i;
grib_handle *h=NULL;
grib_handle *hso=NULL;
grib_context* c=NULL;
FILE* fin=NULL;
FILE* fout=NULL;
char* finname;
char* ofilename;
char defofilename[]="so_perf.out";
double *values=NULL;
double gvalues[1000000]={0,};
double sovalues[1000000]={0,};
int append=0;
size_t nvalues=0;
int count,e=0;
int repeatso=1;
int repeatsimple=1;
grib_timer *tes,*tds,*teso,*tdso;
char grid_simple[]="grid_simple";
size_t grid_simple_l=strlen(grid_simple);
char packingType[50]={0,};
size_t len=50;
char param[50]={0,};
char gridType[50]={0,};
char outfilename[255]={0,};
size_t filesize_so=0;
size_t filesize_simple=0;
double perc=0;
long bitsPerValue=0;
int iarg=1;
char grid[20]={0,};
char shortName[20]={0,};
long level;
char levelType[20]={0,};
char buffer[BUFF_SIZE]={0,};
char buf[BUFF_SIZE]={0,};
size_t length;
int sec4len;
flong ksec0[ISECTION_0];
flong ksec1[ISECTION_1];
flong ksec2[ISECTION_2];
flong ksec3[ISECTION_3];
flong ksec4[ISECTION_4];
flong miss=0;
const void *msg;
flong gribex_msg_len=0;
double packingError=0;
double rsec2[RSECTION_2];
double rsec3[RSECTION_3];
tes=grib_get_timer(0,"encoding simple", 0, 0);
tds=grib_get_timer(0,"decoding simple", 0, 0);
teso=grib_get_timer(0,"encoding so", 0, 0);
tdso=grib_get_timer(0,"decoding so", 0, 0);
if (argc != 4 && argc != 6 ) usage(argv[0]);
if (!strcmp(argv[iarg],"-w")) {
append=0;
iarg++;
ofilename=argv[iarg];
iarg++;
} else if (!strcmp(argv[iarg],"-a")) {
append=1;
iarg++;
ofilename=argv[iarg];
iarg++;
} else {
append=0;
ofilename=defofilename;
}
finname=argv[iarg++];
repeatsimple=atoi(argv[iarg++]);
bitsPerValue=atoi(argv[iarg++]);
fin = fopen(finname,"r");
if(!fin) {perror(finname);exit(1);}
c=grib_context_get_default();
length=BUFF_SIZE;
GRIB_CHECK(grib_read_any_from_file(c,fin,buffer,&length),0);
fclose(fin);
if (append)
fout = fopen(ofilename,"a");
else
fout = fopen(ofilename,"w");
if(!fout) {perror(ofilename);exit(1);}
c=grib_context_get_default();
e=0;
h=grib_handle_new_from_message_copy(c,buffer,length);
GRIB_CHECK(e,0);
len=50;
grib_get_string(h,"shortName",param,&len);
len=20;
grib_get_string(h,"levelType",levelType,&len);
if (!strcmp(levelType,"pl")) {
GRIB_CHECK(grib_get_long(h,"level",&level),0);
sprintf(shortName,"%s%ld",param,level);
} else {
sprintf(shortName,"%s",param);
}
/* grib_set_long(h,"editionNumber",2); */
GRIB_CHECK(grib_get_size(h,"values",&nvalues),0);
values=(double*)grib_context_malloc_clear(c,sizeof(double)*nvalues);
if (!values) { printf("%s: memory allocation error\n",argv[0]); exit(1); }
len=50;
grib_get_string(h,"gridType",gridType,&len);
len=50;
grib_get_string(h,"packingType",packingType,&len);
GRIB_CHECK(grib_get_double_array(h,"values",values,&nvalues),0);
grib_set_long(h,"bitsPerValue",bitsPerValue);
GRIB_CHECK(grib_set_double_array(h,"values",values,nvalues),0);
GRIB_CHECK(grib_get_double(h,"packingError",&packingError),0);
printf("--------------------------------\n");
printf("- %s - gridType=%s packingType=%s numberOfValues=%ld bitsPerValue=%ld\n",
param,gridType,packingType,(long)nvalues,bitsPerValue);
if (!strcmp(packingType,"spectral_complex") || !strcmp(packingType,"spectral_simple")) {
printf("unable to process spectral data\n");
exit(1);
}
if (!strcmp(gridType,"reduced_gg") || !strcmp(gridType,"regular_gg")) {
long N;
grib_get_long(h,"N",&N);
printf(" N=%ld\n",N);
sprintf(grid,"%ld",N);
}
if (!strcmp(gridType,"regular_ll")) {
double Di,Dj;
grib_get_double(h,"DiInDegrees",&Di);
grib_get_double(h,"DjInDegrees",&Dj);
printf(" Di=%g Dj=%g\n",Di,Dj);
sprintf(grid,"%g/%g",Di,Dj);
}
if (!append)
fprintf(fout,
"shortName gridType numberOfValues bitsPerValue grid sizeSimple sizeso encodeso encodeSimple decodeso decodeSimple\n");
sec4len=nvalues+100000;
/* decode values grid_simple */
if (strcmp(packingType,grid_simple))
grib_set_string(h,"packingType",grid_simple,&grid_simple_l);
grib_timer_start(tds);
for (count=0;count<repeatsimple;count++)
GRIB_CHECK(grib_get_double_array(h,"values",values,&nvalues),0);
grib_timer_stop(tds,0);
*outfilename='\0';
sprintf(outfilename,"%s_%s_%ld_%ld_simple.grib1",param,gridType,bitsPerValue,(long)nvalues);
filesize_simple=grib_handle_write(h,outfilename);
printf("file size simple = %ld\n",(long)filesize_simple);
/* encode values grid_simple*/
grib_timer_start(tes);
for (count=0;count<repeatsimple;count++)
GRIB_CHECK(grib_set_double_array(h,"values",values,nvalues),0);
grib_timer_stop(tes,0);
/* decode with gribex*/
msg=(char*)buffer;
gribex_msg_len=BUFF_SIZE;
sec4len=nvalues+100000;
gribex_check(cgribex( miss, ksec0,ksec1,ksec2,rsec2,ksec3,rsec3,
ksec4,gvalues,sec4len, (char*)msg,&gribex_msg_len,"D"));
/* encode values second order with gribex*/
ksec4[1] = bitsPerValue;
/* to indicate complex packing. */
ksec4[3] = 64;
/* to indicate extended flags are present. */
ksec4[5] = 16;
ksec4[9] = 16;
ksec4[11] = 8;
ksec4[12] = 4;
ksec4[13] = 0;
ksec4[14] = -1;
gribex_msg_len=BUFF_SIZE;
grib_timer_start(teso);
gribex_check(cgribex( miss, ksec0,ksec1,ksec2,rsec2,ksec3,rsec3,
ksec4,gvalues,nvalues, buf,&gribex_msg_len,"K"));
grib_timer_stop(teso,0);
hso=grib_handle_new_from_message_copy(c,buf,gribex_msg_len);
GRIB_CHECK(grib_get_double_array(h,"values",sovalues,&nvalues),0);
*outfilename='\0';
sprintf(outfilename,"%s_%s_%ld_%ld_so.grib1",param,gridType,bitsPerValue,(long)nvalues);
filesize_so=grib_handle_write(hso,outfilename);
printf("file size so = %ld\n",(long)filesize_so);
perc=(double)filesize_simple/(double)filesize_so;
printf("compression ratio = %g \n",perc);
printf("space savings = %g \n",(1.0-1.0/perc)*100);
grib_handle_delete(h);
/* decode values second order */
/* decode with gribex*/
msg=(char*)buf;
gribex_msg_len=BUFF_SIZE;
sec4len=nvalues+100000;
grib_timer_start(tdso);
gribex_check(cgribex( miss, ksec0,ksec1,ksec2,rsec2,ksec3,rsec3,
ksec4,gvalues,sec4len, (char*)msg,&gribex_msg_len,"D"));
grib_timer_stop(tdso,0);
for (i=0;i<nvalues;i++) {
if (fabs(gvalues[i]-values[i])>packingError) {
printf("++++++++ Wrong coding\n");
printf("packingError=%g gvalues[%d]=%.20e values[%d]=%.20e abs. err=%g \n",packingError,i,
gvalues[i],i,values[i],gvalues[i]-values[i]);
}
}
for (i=0;i<nvalues;i++) {
if (fabs(gvalues[i]-sovalues[i])>packingError) {
printf("++++++++ Wrong coding\n");
printf("packingError=%g gvalues[%d]=%.20e sovalues[%d]=%.20e abs. err=%g \n",packingError,i,
gvalues[i],i,sovalues[i],gvalues[i]-sovalues[i]);
}
}
grib_handle_delete(hso);
grib_context_free(c,values);
print_timer(teso,repeatso);
print_timer(tdso,repeatso);
print_timer(tes,repeatsimple);
print_timer(tds,repeatsimple);
fprintf(fout,"%s %s %ld %ld %s %ld %ld %g %g %g %g\n",
shortName,gridType,(long)nvalues,bitsPerValue,
grid,(long)filesize_simple,(long)filesize_so,teso->timer_/repeatso,tes->timer_/repeatsimple,tdso->timer_/repeatso,tds->timer_/repeatsimple);
fclose(fout);
return 0;
}
int main(int argc, char** argv)
{
int err = 0;
FILE* in = NULL;
FILE* of = NULL;
long edition, step;
char* filename=NULL;
char* ofilename=NULL;
grib_handle *h = NULL;
grib_multi_handle *mh=NULL;
const int start_section = 4; /* Grib2 Product Definition Section */
if (argc < 3) usage(argv[0]);
filename=argv[1];
ofilename=argv[2];
/* open input file */
in = fopen(filename,"r");
if(!in) {
fprintf(stderr, "ERROR: unable to open input file %s\n",filename);
return 1;
}
/* new grib handle from input file */
h = grib_handle_new_from_file(0,in,&err);
GRIB_CHECK(err,0);
GRIB_CHECK(grib_get_long(h,"edition",&edition),0);
if (edition != 2) {
fprintf(stderr, "ERROR: Input grib must be edition 2 for multi fields\n");
exit(1);
}
/* create a new empty multi field handle */
mh=grib_multi_handle_new(0);
if (!mh) {
fprintf(stderr,"ERROR: Unable to create multi field handle\n");
exit(1);
}
for (step=12;step<=120;step+=12) {
/* set step */
grib_set_long(h,"step",step);
/* append h to mh repeating from section 4 */
/* i.e. starting from section 4 all the sections to the end of the message will be copied */
grib_multi_handle_append(h, start_section, mh);
}
/* open output file */
of=fopen(ofilename,"w");
if(!of) {
fprintf(stderr, "ERROR: unable to open output file %s\n",ofilename);
exit(1);
}
/* write multi fields handle to output file */
grib_multi_handle_write(mh,of);
fclose(of);
/* release memory */
grib_handle_delete(h);
grib_multi_handle_delete(mh);
fclose(in);
return 0;
}
static int extra_set(grib_accessor* a,long val)
{
/*TODO chemicals*/
int ret=0;
grib_accessor_g2_mars_labeling* self = (grib_accessor_g2_mars_labeling*)a;
char stepType[30]={0,};
size_t stepTypelen=30;
long derivedForecast=-1;
long productDefinitionTemplateNumberNew=-1;
long productDefinitionTemplateNumber;
long typeOfProcessedData=-1;
long typeOfGeneratingProcess=-1;
switch (self->index) {
case 0:
/* class */
return ret;
break;
case 1:
/* type */
switch (val) {
case 0: /* Unknown (0) */
typeOfProcessedData=255;
typeOfGeneratingProcess=255;
break;
case 1: /* First guess (fg) */
case 3: /* Initialised analysis (ia) */
typeOfProcessedData=0;
typeOfGeneratingProcess=1;
break;
case 2: /* Analysis (an) */
case 4: /* Oi analysis (oi) */
case 5: /* 3d variational analysis (3v) */
case 6: /* 4d variational analysis (4v) */
case 7: /* 3d variational gradients (3g) */
case 8: /* 4d variational gradients (4g) */
typeOfProcessedData=0;
typeOfGeneratingProcess=0;
break;
case 9: /* Forecast (fc) */
typeOfProcessedData=1;
typeOfGeneratingProcess=2;
break;
case 10: /* Control forecast (cf) */
typeOfProcessedData=3;
typeOfGeneratingProcess=4;
break;
case 11: /* Perturbed forecast (pf) */
typeOfProcessedData=4;
typeOfGeneratingProcess=4;
break;
case 12: /* Errors in first guess (ef) */
case 13: /* Errors in analysis (ea) */
typeOfProcessedData=255;
typeOfGeneratingProcess=7;
break;
case 14: /* Cluster means (cm) */
case 15: /* Cluster std deviations (cs) */
typeOfProcessedData=255;
typeOfGeneratingProcess=4;
break;
case 16: /* Forecast probability (fp) */
typeOfProcessedData=8;
typeOfGeneratingProcess=5;
break;
case 17: /* Ensemble mean (em) */
derivedForecast=0;
grib_get_string(a->parent->h,self->stepType,stepType,&stepTypelen);
if (!strcmp(stepType,"instant")) {
productDefinitionTemplateNumberNew=2;
} else {
productDefinitionTemplateNumberNew=12;
}
typeOfProcessedData=255;
typeOfGeneratingProcess=4;
break;
case 18: /* Ensemble standard deviation (es) */
derivedForecast=4;
grib_get_string(a->parent->h,self->stepType,stepType,&stepTypelen);
if (!strcmp(stepType,"instant")) {
productDefinitionTemplateNumberNew=2;
} else {
productDefinitionTemplateNumberNew=12;
}
typeOfProcessedData=255;
typeOfGeneratingProcess=4;
break;
case 19: /* Forecast accumulation (fa) */
case 20: /* Climatology (cl) */
case 21: /* Climate simulation (si) */
case 22: /* Climate 30 days simulation (s3) */
case 23: /* Empirical distribution (ed) */
case 24: /* Tubes (tu) */
case 25: /* Flux forcing realtime (ff) */
case 26: /* Ocean forward (of) */
case 27: /* Extreme forecast index (efi) */
case 28: /* Extreme forecast index control (efic)*/
case 29: /* Probability boundaries (pb) */
typeOfProcessedData=255;
typeOfGeneratingProcess=255;
break;
case 30: /* Event probability (ep) */
typeOfProcessedData=8;
typeOfGeneratingProcess=5;
break;
case 31: /* Bias-corrected Forecast (bf) */
typeOfProcessedData=1;
typeOfGeneratingProcess=3;
break;
case 32: /* Climate distribution (cd) */
case 33: /* 4D analysis increments (4i) */
case 34: /* Gridded observations (go) */
case 35: /* Model errors (me) */
case 36: /* Probability distribution (pd) */
case 37: /* Cluster information (ci) */
case 38: /* Shift of Tail (sot) */
case 40: /* Images (im) */
case 42: /* Simulated images (sim) */
typeOfProcessedData=255;
typeOfGeneratingProcess=255;
break;
case 43: /* Weighted ensemble mean (wem) */
case 44: /* Weighted ensemble standard deviation (wes) */
case 45: /* Cluster representative (cr) */
case 46: /* Scaled ensemble standard deviation (ses) */
case 47: /* Time average ensemble mean (taem) */
case 48: /* Time average ensemble standard deviation (taes) */
typeOfProcessedData=255;
typeOfGeneratingProcess=4;
break;
case 50: /* Sensitivity gradient (sg) */
case 52: /* Sensitivity forecast (sf) */
case 60: /* Perturbed analysis (pa) */
case 61: /* Initial condition perturbation (icp) */
case 62: /* Singular vector (sv) */
case 63: /* Adjoint singular vector (as) */
case 64: /* Signal variance (svar) */
typeOfProcessedData=255;
typeOfGeneratingProcess=255;
break;
case 65: /* Calibration/Validation forecast (cv) */
typeOfProcessedData=5;
typeOfGeneratingProcess=4;
break;
case 70: /* Ocean reanalysis (or) */
case 71: /* Flux forcing (fx) */
case 80: /* Forecast mean (fcmean) */
case 81: /* Forecast maximum (fcmax) */
case 82: /* Forecast minimum (fcmin) */
case 83: /* Forecast standard deviation (fcstdev) */
case 88: /* Gridded satellite data */
case 89: /* GFAS analysis */
typeOfProcessedData=255;
typeOfGeneratingProcess=255;
break;
case 84: /* Ensemble mean of temporal mean (emtm) */
case 85: /* Ensemble standard deviation of temporal mean (estdtm) */
typeOfProcessedData=255;
typeOfGeneratingProcess=4;
break;
default :
grib_context_log(a->parent->h->context,GRIB_LOG_ERROR,"unknown mars.type %d",(int)val);
return GRIB_ENCODING_ERROR;
}
case 2:
/* stream */
switch (val) {
case 1030: /* enda */
case 1249: /* elda */
case 1250: /* ewla */
grib_get_string(a->parent->h,self->stepType,stepType,&stepTypelen);
if (!strcmp(stepType,"instant")) {
productDefinitionTemplateNumberNew=1;
} else {
productDefinitionTemplateNumberNew=11;
}
break;
}
break;
default :
grib_context_log(a->parent->h->context,GRIB_LOG_ERROR,
"invalid first argument of g2_mars_labeling in %s",a->name);
return GRIB_INTERNAL_ERROR;
break;
}
if (productDefinitionTemplateNumberNew>=0) {
grib_get_long(a->parent->h,self->productDefinitionTemplateNumber,&productDefinitionTemplateNumber);
if (productDefinitionTemplateNumber!=productDefinitionTemplateNumberNew)
grib_set_long(a->parent->h,self->productDefinitionTemplateNumber,productDefinitionTemplateNumberNew);
}
if (derivedForecast>=0) {
grib_set_long(a->parent->h,self->derivedForecast,derivedForecast);
}
if (typeOfProcessedData>0)
grib_set_long(a->parent->h,self->typeOfProcessedData,typeOfProcessedData);
if (typeOfGeneratingProcess>0)
grib_set_long(a->parent->h,self->typeOfGeneratingProcess,typeOfGeneratingProcess);
return ret;
}
int main(int argc,const char** argv)
{
grib_handle *h = NULL;
size_t size = 0;
double* vdouble = NULL;
FILE* f = NULL;
const void* buffer = NULL;
if(argc != 2) {
fprintf(stderr,"usage: %s out\n",argv[0]);
exit(1);
}
h = grib_handle_new_from_samples(NULL,"GRIB2");
if(!h) {
fprintf(stderr,"Cannot create grib handle\n");
exit(1);
}
GRIB_CHECK(grib_set_long(h,"parametersVersion",1),0);
GRIB_CHECK(grib_set_long(h,"truncateLaplacian",0),0);
GRIB_CHECK(grib_set_long(h,"truncateDegrees",0),0);
GRIB_CHECK(grib_set_long(h,"dummy",1),0);
GRIB_CHECK(grib_set_long(h,"changingPrecision",0),0);
GRIB_CHECK(grib_set_long(h,"unitsFactor",1),0);
GRIB_CHECK(grib_set_long(h,"unitsBias",0),0);
GRIB_CHECK(grib_set_long(h,"timeRangeIndicatorFromStepRange",-1),0);
GRIB_CHECK(grib_set_long(h,"missingValue",9999),0);
/* 0 = Meteorological products (grib2/tables/4/0.0.table) */
GRIB_CHECK(grib_set_long(h,"discipline",0),0);
GRIB_CHECK(grib_set_long(h,"editionNumber",2),0);
/* 98 = European Center for Medium-Range Weather Forecasts (grib1/0.table) */
GRIB_CHECK(grib_set_long(h,"centre",98),0);
GRIB_CHECK(grib_set_long(h,"subCentre",0),0);
/* 4 = Version implemented on 7 November 2007 (grib2/tables/1.0.table) */
GRIB_CHECK(grib_set_long(h,"tablesVersion",4),0);
/* 0 = Local tables not used (grib2/tables/4/1.1.table) */
GRIB_CHECK(grib_set_long(h,"localTablesVersion",0),0);
/* 1 = Start of forecast (grib2/tables/4/1.2.table) */
GRIB_CHECK(grib_set_long(h,"significanceOfReferenceTime",1),0);
GRIB_CHECK(grib_set_long(h,"year",2007),0);
GRIB_CHECK(grib_set_long(h,"month",3),0);
GRIB_CHECK(grib_set_long(h,"day",23),0);
GRIB_CHECK(grib_set_long(h,"hour",12),0);
GRIB_CHECK(grib_set_long(h,"minute",0),0);
GRIB_CHECK(grib_set_long(h,"second",0),0);
GRIB_CHECK(grib_set_long(h,"dataDate",20070323),0);
GRIB_CHECK(grib_set_long(h,"dataTime",1200),0);
/* 0 = Operational products (grib2/tables/4/1.3.table) */
GRIB_CHECK(grib_set_long(h,"productionStatusOfProcessedData",0),0);
/* 2 = Analysis and forecast products (grib2/tables/4/1.4.table) */
GRIB_CHECK(grib_set_long(h,"typeOfProcessedData",2),0);
GRIB_CHECK(grib_set_long(h,"selectStepTemplateInterval",1),0);
GRIB_CHECK(grib_set_long(h,"selectStepTemplateInstant",1),0);
GRIB_CHECK(grib_set_long(h,"grib2LocalSectionPresent",0),0);
/* 0 = Specified in Code table 3.1 (grib2/tables/4/3.0.table) */
GRIB_CHECK(grib_set_long(h,"sourceOfGridDefinition",0),0);
GRIB_CHECK(grib_set_long(h,"numberOfDataPoints",496),0);
GRIB_CHECK(grib_set_long(h,"numberOfOctectsForNumberOfPoints",0),0);
/* 0 = There is no appended list (grib2/tables/4/3.11.table) */
GRIB_CHECK(grib_set_long(h,"interpretationOfNumberOfPoints",0),0);
GRIB_CHECK(grib_set_long(h,"PLPresent",0),0);
/* 0 = Latitude/longitude. Also called equidistant cylindrical, or Plate Carree (grib2/tables/4/3.1.table) */
GRIB_CHECK(grib_set_long(h,"gridDefinitionTemplateNumber",0),0);
/* 0 = Earth assumed spherical with radius = 6,367,470.0 m (grib2/tables/4/3.2.table) */
GRIB_CHECK(grib_set_long(h,"shapeOfTheEarth",0),0);
GRIB_CHECK(grib_set_missing(h,"scaleFactorOfRadiusOfSphericalEarth"),0);
GRIB_CHECK(grib_set_missing(h,"scaledValueOfRadiusOfSphericalEarth"),0);
GRIB_CHECK(grib_set_missing(h,"scaleFactorOfEarthMajorAxis"),0);
GRIB_CHECK(grib_set_missing(h,"scaledValueOfEarthMajorAxis"),0);
GRIB_CHECK(grib_set_missing(h,"scaleFactorOfEarthMinorAxis"),0);
GRIB_CHECK(grib_set_missing(h,"scaledValueOfEarthMinorAxis"),0);
GRIB_CHECK(grib_set_long(h,"radius",6367470),0);
GRIB_CHECK(grib_set_long(h,"Ni",16),0);
GRIB_CHECK(grib_set_long(h,"Nj",31),0);
GRIB_CHECK(grib_set_long(h,"basicAngleOfTheInitialProductionDomain",0),0);
GRIB_CHECK(grib_set_long(h,"mBasicAngle",0),0);
GRIB_CHECK(grib_set_long(h,"angleMultiplier",1),0);
GRIB_CHECK(grib_set_long(h,"mAngleMultiplier",1000000),0);
GRIB_CHECK(grib_set_missing(h,"subdivisionsOfBasicAngle"),0);
GRIB_CHECK(grib_set_long(h,"angleDivisor",1000000),0);
GRIB_CHECK(grib_set_long(h,"latitudeOfFirstGridPoint",60000000),0);
GRIB_CHECK(grib_set_long(h,"longitudeOfFirstGridPoint",0),0);
/* 48 = 00110000
(3=1) i direction increments given
(4=1) j direction increments given
(5=0) Resolved u- and v- components of vector quantities relative to easterly and northerly directions
See grib2/tables/[tablesVersion]/3.3.table */
GRIB_CHECK(grib_set_long(h,"resolutionAndComponentFlags",48),0);
GRIB_CHECK(grib_set_long(h,"iDirectionIncrementGiven",1),0);
GRIB_CHECK(grib_set_long(h,"jDirectionIncrementGiven",1),0);
GRIB_CHECK(grib_set_long(h,"uvRelativeToGrid",0),0);
GRIB_CHECK(grib_set_long(h,"latitudeOfLastGridPoint",0),0);
GRIB_CHECK(grib_set_long(h,"longitudeOfLastGridPoint",30000000),0);
GRIB_CHECK(grib_set_long(h,"iDirectionIncrement",2000000),0);
GRIB_CHECK(grib_set_long(h,"jDirectionIncrement",2000000),0);
/* 0 = 00000000
(1=0) Points of first row or column scan in the +i (+x) direction
(2=0) Points of first row or column scan in the -j (-y) direction
(3=0) Adjacent points in i (x) direction are consecutive
(4=0) All rows scan in the same direction
See grib2/tables/[tablesVersion]/3.4.table */
GRIB_CHECK(grib_set_long(h,"scanningMode",0),0);
GRIB_CHECK(grib_set_long(h,"iScansNegatively",0),0);
GRIB_CHECK(grib_set_long(h,"jScansPositively",0),0);
GRIB_CHECK(grib_set_long(h,"jPointsAreConsecutive",0),0);
GRIB_CHECK(grib_set_long(h,"alternativeRowScanning",0),0);
GRIB_CHECK(grib_set_long(h,"iScansPositively",1),0);
/* ITERATOR */
/* NEAREST */
GRIB_CHECK(grib_set_long(h,"timeRangeIndicator",0),0);
GRIB_CHECK(grib_set_long(h,"NV",0),0);
GRIB_CHECK(grib_set_long(h,"neitherPresent",0),0);
/* 0 = Analysis or forecast at a horizontal level or in a horizontal layer at a point in time (grib2/tables/4/4.0.table) */
GRIB_CHECK(grib_set_long(h,"productDefinitionTemplateNumber",0),0);
/* Parameter information */
/* 0 = Temperature (grib2/tables/4/4.1.0.table) */
GRIB_CHECK(grib_set_long(h,"parameterCategory",0),0);
/* 0 = Temperature (K) (grib2/tables/4/4.2.0.0.table) */
GRIB_CHECK(grib_set_long(h,"parameterNumber",0),0);
/* 0 = Analysis (grib2/tables/4/4.3.table) */
GRIB_CHECK(grib_set_long(h,"typeOfGeneratingProcess",0),0);
GRIB_CHECK(grib_set_long(h,"backgroundProcess",255),0);
GRIB_CHECK(grib_set_long(h,"generatingProcessIdentifier",128),0);
GRIB_CHECK(grib_set_long(h,"hoursAfterDataCutoff",0),0);
GRIB_CHECK(grib_set_long(h,"minutesAfterDataCutoff",0),0);
/* 1 = Hour (grib2/tables/4/4.4.table) */
GRIB_CHECK(grib_set_long(h,"indicatorOfUnitOfTimeRange",1),0);
/* 1 = Hour (stepUnits.table) */
GRIB_CHECK(grib_set_long(h,"stepUnits",1),0);
GRIB_CHECK(grib_set_long(h,"forecastTime",0),0);
/* 1 = Ground or water surface (grib2/tables/4/4.5.table) */
GRIB_CHECK(grib_set_long(h,"typeOfFirstFixedSurface",1),0);
GRIB_CHECK(grib_set_missing(h,"scaleFactorOfFirstFixedSurface"),0);
GRIB_CHECK(grib_set_missing(h,"scaledValueOfFirstFixedSurface"),0);
/* 255 = Missing (grib2/tables/4/4.5.table) */
GRIB_CHECK(grib_set_long(h,"typeOfSecondFixedSurface",255),0);
GRIB_CHECK(grib_set_missing(h,"scaleFactorOfSecondFixedSurface"),0);
GRIB_CHECK(grib_set_missing(h,"scaledValueOfSecondFixedSurface"),0);
GRIB_CHECK(grib_set_long(h,"level",0),0);
GRIB_CHECK(grib_set_long(h,"bottomLevel",0),0);
GRIB_CHECK(grib_set_long(h,"topLevel",0),0);
GRIB_CHECK(grib_set_long(h,"dummyc",0),0);
GRIB_CHECK(grib_set_long(h,"PVPresent",0),0);
/* grib 2 Section 5 DATA REPRESENTATION SECTION */
GRIB_CHECK(grib_set_long(h,"numberOfValues",496),0);
/* 0 = Grid point data - simple packing (grib2/tables/4/5.0.table) */
GRIB_CHECK(grib_set_long(h,"dataRepresentationTemplateNumber",0),0);
GRIB_CHECK(grib_set_long(h,"decimalScaleFactor",0),0);
GRIB_CHECK(grib_set_long(h,"bitsPerValue",0),0);
/* 0 = Floating point (grib2/tables/4/5.1.table) */
GRIB_CHECK(grib_set_long(h,"typeOfOriginalFieldValues",0),0);
GRIB_CHECK(grib_set_long(h,"representationMode",0),0);
/* grib 2 Section 6 BIT-MAP SECTION */
/* 255 = A bit map does not apply to this product (grib2/tables/4/6.0.table) */
GRIB_CHECK(grib_set_long(h,"bitMapIndicator",255),0);
GRIB_CHECK(grib_set_long(h,"bitmapPresent",0),0);
/* grib 2 Section 7 data */
size = 496;
vdouble = (double*)calloc(size,sizeof(double));
if(!vdouble) {
fprintf(stderr,"failed to allocate %lu bytes\n",size*sizeof(double));
exit(1);
}
vdouble[ 0] = 1; vdouble[ 1] = 1; vdouble[ 2] = 1; vdouble[ 3] = 1;
vdouble[ 4] = 1; vdouble[ 5] = 1; vdouble[ 6] = 1; vdouble[ 7] = 1;
vdouble[ 8] = 1; vdouble[ 9] = 1; vdouble[ 10] = 1; vdouble[ 11] = 1;
vdouble[ 12] = 1; vdouble[ 13] = 1; vdouble[ 14] = 1; vdouble[ 15] = 1;
vdouble[ 16] = 1; vdouble[ 17] = 1; vdouble[ 18] = 1; vdouble[ 19] = 1;
vdouble[ 20] = 1; vdouble[ 21] = 1; vdouble[ 22] = 1; vdouble[ 23] = 1;
vdouble[ 24] = 1; vdouble[ 25] = 1; vdouble[ 26] = 1; vdouble[ 27] = 1;
vdouble[ 28] = 1; vdouble[ 29] = 1; vdouble[ 30] = 1; vdouble[ 31] = 1;
vdouble[ 32] = 1; vdouble[ 33] = 1; vdouble[ 34] = 1; vdouble[ 35] = 1;
vdouble[ 36] = 1; vdouble[ 37] = 1; vdouble[ 38] = 1; vdouble[ 39] = 1;
vdouble[ 40] = 1; vdouble[ 41] = 1; vdouble[ 42] = 1; vdouble[ 43] = 1;
vdouble[ 44] = 1; vdouble[ 45] = 1; vdouble[ 46] = 1; vdouble[ 47] = 1;
vdouble[ 48] = 1; vdouble[ 49] = 1; vdouble[ 50] = 1; vdouble[ 51] = 1;
vdouble[ 52] = 1; vdouble[ 53] = 1; vdouble[ 54] = 1; vdouble[ 55] = 1;
vdouble[ 56] = 1; vdouble[ 57] = 1; vdouble[ 58] = 1; vdouble[ 59] = 1;
vdouble[ 60] = 1; vdouble[ 61] = 1; vdouble[ 62] = 1; vdouble[ 63] = 1;
vdouble[ 64] = 1; vdouble[ 65] = 1; vdouble[ 66] = 1; vdouble[ 67] = 1;
vdouble[ 68] = 1; vdouble[ 69] = 1; vdouble[ 70] = 1; vdouble[ 71] = 1;
vdouble[ 72] = 1; vdouble[ 73] = 1; vdouble[ 74] = 1; vdouble[ 75] = 1;
vdouble[ 76] = 1; vdouble[ 77] = 1; vdouble[ 78] = 1; vdouble[ 79] = 1;
vdouble[ 80] = 1; vdouble[ 81] = 1; vdouble[ 82] = 1; vdouble[ 83] = 1;
vdouble[ 84] = 1; vdouble[ 85] = 1; vdouble[ 86] = 1; vdouble[ 87] = 1;
vdouble[ 88] = 1; vdouble[ 89] = 1; vdouble[ 90] = 1; vdouble[ 91] = 1;
vdouble[ 92] = 1; vdouble[ 93] = 1; vdouble[ 94] = 1; vdouble[ 95] = 1;
vdouble[ 96] = 1; vdouble[ 97] = 1; vdouble[ 98] = 1; vdouble[ 99] = 1;
vdouble[ 100] = 1; vdouble[ 101] = 1; vdouble[ 102] = 1; vdouble[ 103] = 1;
vdouble[ 104] = 1; vdouble[ 105] = 1; vdouble[ 106] = 1; vdouble[ 107] = 1;
vdouble[ 108] = 1; vdouble[ 109] = 1; vdouble[ 110] = 1; vdouble[ 111] = 1;
vdouble[ 112] = 1; vdouble[ 113] = 1; vdouble[ 114] = 1; vdouble[ 115] = 1;
vdouble[ 116] = 1; vdouble[ 117] = 1; vdouble[ 118] = 1; vdouble[ 119] = 1;
vdouble[ 120] = 1; vdouble[ 121] = 1; vdouble[ 122] = 1; vdouble[ 123] = 1;
vdouble[ 124] = 1; vdouble[ 125] = 1; vdouble[ 126] = 1; vdouble[ 127] = 1;
vdouble[ 128] = 1; vdouble[ 129] = 1; vdouble[ 130] = 1; vdouble[ 131] = 1;
vdouble[ 132] = 1; vdouble[ 133] = 1; vdouble[ 134] = 1; vdouble[ 135] = 1;
vdouble[ 136] = 1; vdouble[ 137] = 1; vdouble[ 138] = 1; vdouble[ 139] = 1;
vdouble[ 140] = 1; vdouble[ 141] = 1; vdouble[ 142] = 1; vdouble[ 143] = 1;
vdouble[ 144] = 1; vdouble[ 145] = 1; vdouble[ 146] = 1; vdouble[ 147] = 1;
vdouble[ 148] = 1; vdouble[ 149] = 1; vdouble[ 150] = 1; vdouble[ 151] = 1;
vdouble[ 152] = 1; vdouble[ 153] = 1; vdouble[ 154] = 1; vdouble[ 155] = 1;
vdouble[ 156] = 1; vdouble[ 157] = 1; vdouble[ 158] = 1; vdouble[ 159] = 1;
vdouble[ 160] = 1; vdouble[ 161] = 1; vdouble[ 162] = 1; vdouble[ 163] = 1;
vdouble[ 164] = 1; vdouble[ 165] = 1; vdouble[ 166] = 1; vdouble[ 167] = 1;
vdouble[ 168] = 1; vdouble[ 169] = 1; vdouble[ 170] = 1; vdouble[ 171] = 1;
vdouble[ 172] = 1; vdouble[ 173] = 1; vdouble[ 174] = 1; vdouble[ 175] = 1;
vdouble[ 176] = 1; vdouble[ 177] = 1; vdouble[ 178] = 1; vdouble[ 179] = 1;
vdouble[ 180] = 1; vdouble[ 181] = 1; vdouble[ 182] = 1; vdouble[ 183] = 1;
vdouble[ 184] = 1; vdouble[ 185] = 1; vdouble[ 186] = 1; vdouble[ 187] = 1;
vdouble[ 188] = 1; vdouble[ 189] = 1; vdouble[ 190] = 1; vdouble[ 191] = 1;
vdouble[ 192] = 1; vdouble[ 193] = 1; vdouble[ 194] = 1; vdouble[ 195] = 1;
vdouble[ 196] = 1; vdouble[ 197] = 1; vdouble[ 198] = 1; vdouble[ 199] = 1;
vdouble[ 200] = 1; vdouble[ 201] = 1; vdouble[ 202] = 1; vdouble[ 203] = 1;
vdouble[ 204] = 1; vdouble[ 205] = 1; vdouble[ 206] = 1; vdouble[ 207] = 1;
vdouble[ 208] = 1; vdouble[ 209] = 1; vdouble[ 210] = 1; vdouble[ 211] = 1;
vdouble[ 212] = 1; vdouble[ 213] = 1; vdouble[ 214] = 1; vdouble[ 215] = 1;
vdouble[ 216] = 1; vdouble[ 217] = 1; vdouble[ 218] = 1; vdouble[ 219] = 1;
vdouble[ 220] = 1; vdouble[ 221] = 1; vdouble[ 222] = 1; vdouble[ 223] = 1;
vdouble[ 224] = 1; vdouble[ 225] = 1; vdouble[ 226] = 1; vdouble[ 227] = 1;
vdouble[ 228] = 1; vdouble[ 229] = 1; vdouble[ 230] = 1; vdouble[ 231] = 1;
vdouble[ 232] = 1; vdouble[ 233] = 1; vdouble[ 234] = 1; vdouble[ 235] = 1;
vdouble[ 236] = 1; vdouble[ 237] = 1; vdouble[ 238] = 1; vdouble[ 239] = 1;
vdouble[ 240] = 1; vdouble[ 241] = 1; vdouble[ 242] = 1; vdouble[ 243] = 1;
vdouble[ 244] = 1; vdouble[ 245] = 1; vdouble[ 246] = 1; vdouble[ 247] = 1;
vdouble[ 248] = 1; vdouble[ 249] = 1; vdouble[ 250] = 1; vdouble[ 251] = 1;
vdouble[ 252] = 1; vdouble[ 253] = 1; vdouble[ 254] = 1; vdouble[ 255] = 1;
vdouble[ 256] = 1; vdouble[ 257] = 1; vdouble[ 258] = 1; vdouble[ 259] = 1;
vdouble[ 260] = 1; vdouble[ 261] = 1; vdouble[ 262] = 1; vdouble[ 263] = 1;
vdouble[ 264] = 1; vdouble[ 265] = 1; vdouble[ 266] = 1; vdouble[ 267] = 1;
vdouble[ 268] = 1; vdouble[ 269] = 1; vdouble[ 270] = 1; vdouble[ 271] = 1;
vdouble[ 272] = 1; vdouble[ 273] = 1; vdouble[ 274] = 1; vdouble[ 275] = 1;
vdouble[ 276] = 1; vdouble[ 277] = 1; vdouble[ 278] = 1; vdouble[ 279] = 1;
vdouble[ 280] = 1; vdouble[ 281] = 1; vdouble[ 282] = 1; vdouble[ 283] = 1;
vdouble[ 284] = 1; vdouble[ 285] = 1; vdouble[ 286] = 1; vdouble[ 287] = 1;
vdouble[ 288] = 1; vdouble[ 289] = 1; vdouble[ 290] = 1; vdouble[ 291] = 1;
vdouble[ 292] = 1; vdouble[ 293] = 1; vdouble[ 294] = 1; vdouble[ 295] = 1;
vdouble[ 296] = 1; vdouble[ 297] = 1; vdouble[ 298] = 1; vdouble[ 299] = 1;
vdouble[ 300] = 1; vdouble[ 301] = 1; vdouble[ 302] = 1; vdouble[ 303] = 1;
vdouble[ 304] = 1; vdouble[ 305] = 1; vdouble[ 306] = 1; vdouble[ 307] = 1;
vdouble[ 308] = 1; vdouble[ 309] = 1; vdouble[ 310] = 1; vdouble[ 311] = 1;
vdouble[ 312] = 1; vdouble[ 313] = 1; vdouble[ 314] = 1; vdouble[ 315] = 1;
vdouble[ 316] = 1; vdouble[ 317] = 1; vdouble[ 318] = 1; vdouble[ 319] = 1;
vdouble[ 320] = 1; vdouble[ 321] = 1; vdouble[ 322] = 1; vdouble[ 323] = 1;
vdouble[ 324] = 1; vdouble[ 325] = 1; vdouble[ 326] = 1; vdouble[ 327] = 1;
vdouble[ 328] = 1; vdouble[ 329] = 1; vdouble[ 330] = 1; vdouble[ 331] = 1;
vdouble[ 332] = 1; vdouble[ 333] = 1; vdouble[ 334] = 1; vdouble[ 335] = 1;
vdouble[ 336] = 1; vdouble[ 337] = 1; vdouble[ 338] = 1; vdouble[ 339] = 1;
vdouble[ 340] = 1; vdouble[ 341] = 1; vdouble[ 342] = 1; vdouble[ 343] = 1;
vdouble[ 344] = 1; vdouble[ 345] = 1; vdouble[ 346] = 1; vdouble[ 347] = 1;
vdouble[ 348] = 1; vdouble[ 349] = 1; vdouble[ 350] = 1; vdouble[ 351] = 1;
vdouble[ 352] = 1; vdouble[ 353] = 1; vdouble[ 354] = 1; vdouble[ 355] = 1;
vdouble[ 356] = 1; vdouble[ 357] = 1; vdouble[ 358] = 1; vdouble[ 359] = 1;
vdouble[ 360] = 1; vdouble[ 361] = 1; vdouble[ 362] = 1; vdouble[ 363] = 1;
vdouble[ 364] = 1; vdouble[ 365] = 1; vdouble[ 366] = 1; vdouble[ 367] = 1;
vdouble[ 368] = 1; vdouble[ 369] = 1; vdouble[ 370] = 1; vdouble[ 371] = 1;
vdouble[ 372] = 1; vdouble[ 373] = 1; vdouble[ 374] = 1; vdouble[ 375] = 1;
vdouble[ 376] = 1; vdouble[ 377] = 1; vdouble[ 378] = 1; vdouble[ 379] = 1;
vdouble[ 380] = 1; vdouble[ 381] = 1; vdouble[ 382] = 1; vdouble[ 383] = 1;
vdouble[ 384] = 1; vdouble[ 385] = 1; vdouble[ 386] = 1; vdouble[ 387] = 1;
vdouble[ 388] = 1; vdouble[ 389] = 1; vdouble[ 390] = 1; vdouble[ 391] = 1;
vdouble[ 392] = 1; vdouble[ 393] = 1; vdouble[ 394] = 1; vdouble[ 395] = 1;
vdouble[ 396] = 1; vdouble[ 397] = 1; vdouble[ 398] = 1; vdouble[ 399] = 1;
vdouble[ 400] = 1; vdouble[ 401] = 1; vdouble[ 402] = 1; vdouble[ 403] = 1;
vdouble[ 404] = 1; vdouble[ 405] = 1; vdouble[ 406] = 1; vdouble[ 407] = 1;
vdouble[ 408] = 1; vdouble[ 409] = 1; vdouble[ 410] = 1; vdouble[ 411] = 1;
vdouble[ 412] = 1; vdouble[ 413] = 1; vdouble[ 414] = 1; vdouble[ 415] = 1;
vdouble[ 416] = 1; vdouble[ 417] = 1; vdouble[ 418] = 1; vdouble[ 419] = 1;
vdouble[ 420] = 1; vdouble[ 421] = 1; vdouble[ 422] = 1; vdouble[ 423] = 1;
vdouble[ 424] = 1; vdouble[ 425] = 1; vdouble[ 426] = 1; vdouble[ 427] = 1;
vdouble[ 428] = 1; vdouble[ 429] = 1; vdouble[ 430] = 1; vdouble[ 431] = 1;
vdouble[ 432] = 1; vdouble[ 433] = 1; vdouble[ 434] = 1; vdouble[ 435] = 1;
vdouble[ 436] = 1; vdouble[ 437] = 1; vdouble[ 438] = 1; vdouble[ 439] = 1;
vdouble[ 440] = 1; vdouble[ 441] = 1; vdouble[ 442] = 1; vdouble[ 443] = 1;
vdouble[ 444] = 1; vdouble[ 445] = 1; vdouble[ 446] = 1; vdouble[ 447] = 1;
vdouble[ 448] = 1; vdouble[ 449] = 1; vdouble[ 450] = 1; vdouble[ 451] = 1;
vdouble[ 452] = 1; vdouble[ 453] = 1; vdouble[ 454] = 1; vdouble[ 455] = 1;
vdouble[ 456] = 1; vdouble[ 457] = 1; vdouble[ 458] = 1; vdouble[ 459] = 1;
vdouble[ 460] = 1; vdouble[ 461] = 1; vdouble[ 462] = 1; vdouble[ 463] = 1;
vdouble[ 464] = 1; vdouble[ 465] = 1; vdouble[ 466] = 1; vdouble[ 467] = 1;
vdouble[ 468] = 1; vdouble[ 469] = 1; vdouble[ 470] = 1; vdouble[ 471] = 1;
vdouble[ 472] = 1; vdouble[ 473] = 1; vdouble[ 474] = 1; vdouble[ 475] = 1;
vdouble[ 476] = 1; vdouble[ 477] = 1; vdouble[ 478] = 1; vdouble[ 479] = 1;
vdouble[ 480] = 1; vdouble[ 481] = 1; vdouble[ 482] = 1; vdouble[ 483] = 1;
vdouble[ 484] = 1; vdouble[ 485] = 1; vdouble[ 486] = 1; vdouble[ 487] = 1;
vdouble[ 488] = 1; vdouble[ 489] = 1; vdouble[ 490] = 1; vdouble[ 491] = 1;
vdouble[ 492] = 1; vdouble[ 493] = 1; vdouble[ 494] = 1; vdouble[ 495] = 1;
GRIB_CHECK(grib_set_double_array(h,"values",vdouble,size),0);
free(vdouble);
GRIB_CHECK(grib_set_long(h,"dirty_statistics",1),0);
GRIB_CHECK(grib_set_long(h,"changeDecimalPrecision",0),0);
GRIB_CHECK(grib_set_long(h,"decimalPrecision",0),0);
GRIB_CHECK(grib_set_long(h,"setBitsPerValue",0),0);
/* Save the message */
f = fopen(argv[1],"w");
if(!f) {
perror(argv[1]);
exit(1);
}
GRIB_CHECK(grib_get_message(h,&buffer,&size),0);
if(fwrite(buffer,1,size,f) != size) {
perror(argv[1]);
exit(1);
}
if(fclose(f)) {
perror(argv[1]);
exit(1);
}
grib_handle_delete(h);
return 0;
}
static void compare_handles(int n,grib_handle* h1,grib_handle* h2,FILE* out)
{
size_t len1 = 0;
size_t len2 = 0;
double *dval1 = NULL, *dval2 = NULL, *dval3 = NULL;
double maxe = 0,mine = 0;
double maxa = 0,mina = 0;
int i,maxi = 0,maxai = 0;
double lat,lon;
GRIB_CHECK(grib_get_size(h1,"values",&len1),NULL);
GRIB_CHECK(grib_get_size(h2,"values",&len2),NULL);
if(len1 != len2)
{
printf("Field size mismatch %ld != %ld\n",(long)len1,(long)len2);
exit(1);
}
dval1 = (double*)grib_context_malloc(h1->context,len1*sizeof(double));
Assert(dval1);
dval2 = (double*)grib_context_malloc(h2->context,len2*sizeof(double));
Assert(dval2);
if(out)
dval3 = (double*)grib_context_malloc(h2->context,len2*sizeof(double));
Assert(dval2);
GRIB_CHECK(grib_get_double_array(h1,"values",dval1,&len1),NULL);
GRIB_CHECK(grib_get_double_array(h2,"values",dval2,&len2),NULL);
for(i = 0; i < len1; i++)
{
double e = err(dval1[i],dval2[i]);
double a = fabs(dval1[i]-dval2[i]);
if(i == 0) maxe = mine = e;
if(i == 0) maxa = mina = a;
if(out) dval3[i] = absolute ? a : e;
if(e < mine) mine = e;
if(e > maxe) {
maxe = e;
maxi = i;
}
if(a < mina) mina = a;
if(a > maxa) {
maxa = a;
maxai = i;
}
}
if(out)
{
const void *buffer;
size_t size;
GRIB_CHECK(grib_set_long(h1,"generatingProcessIdentifier",255),NULL); /* To prevent Magics to scale the field */
GRIB_CHECK(grib_set_long(h1,"numberOfBitsContainingEachPackedValue",24),NULL);
GRIB_CHECK(grib_set_double_array(h1,"values",dval3,len1),NULL);
GRIB_CHECK(grib_get_message(h1,&buffer,&size),NULL);
if(fwrite(buffer,1,size,out) != size)
{
perror(outname);
exit(1);
}
}
printf("Field %ld: min relative error: %g%%, max relative error: %g%% [%g,%g,%g]\n",(long)n,mine*100,maxe*100,
dval1[maxi],dval2[maxi],fabs(dval1[maxi]-dval2[maxi]));
if(location(h1,maxi,&lat,&lon))
printf(" latitude = %g, longitude = %g\n",lat,lon);
printf("Field %ld: min absolute error: %g, max absolute error: %g [%g,%g]\n",(long)n,mina,maxa,
dval1[maxai],dval2[maxai]);
if(location(h1,maxai,&lat,&lon))
printf(" latitude = %g, longitude = %g\n",lat,lon);
grib_context_free(h1->context,dval1);
grib_context_free(h2->context,dval2);
grib_context_free(h2->context,dval3);
}
int main(int argc, char** argv)
{
int err = 0;
size_t size=0;
FILE* in = NULL;
char* infile = "../../data/regular_latlon_surface.grib1";
FILE* out = NULL;
char* outfile = "out.grib1";
grib_handle *h = NULL;
const void* buffer = NULL;
size_t values_len;
double* values;
double missing=9999;
int i=0;
in = fopen(infile,"r");
if(!in) {
printf("ERROR: unable to open input file %s\n",infile);
return 1;
}
out = fopen(outfile,"w");
if(!out) {
printf("ERROR: unable to open output file %s\n",outfile);
fclose(in);
return 1;
}
h = grib_handle_new_from_file(0,in,&err);
if (h == NULL) {
printf("Error: unable to create handle from file %s\n",infile);
}
GRIB_CHECK(grib_set_double(h,"missingValue",missing),0);
/* get the size of the values array*/
GRIB_CHECK(grib_get_size(h,"values",&values_len),0);
values = (double*)malloc(values_len*sizeof(double));
/* get data values*/
GRIB_CHECK(grib_get_double_array(h,"values",values,&values_len),0);
GRIB_CHECK(grib_set_long(h,"bitmapPresent",1),0);
for(i = 0; i < 10; i++)
values[i]=missing;
GRIB_CHECK(grib_set_double_array(h,"values",values,values_len),0);
/* get the coded message in a buffer */
GRIB_CHECK(grib_get_message(h,&buffer,&size),0);
/* write the buffer in a file*/
if(fwrite(buffer,1,size,out) != size)
{
perror(outfile);
exit(1);
}
/* delete handle */
grib_handle_delete(h);
fclose(in);
fclose(out);
return 0;
}
static int pack_double(grib_accessor* a, const double* val, size_t *len)
{
grib_accessor_data_raw_packing *self =(grib_accessor_data_raw_packing*)a;
int bytes = 0;
unsigned char* buffer = NULL;
long precision = 0;
double* values = (double*)val;
size_t inlen = *len;
int free_buffer = 0;
int free_values = 0;
int code = GRIB_SUCCESS;
size_t bufsize = 0;
if (*len ==0) return GRIB_NO_VALUES;
if((code = grib_get_long_internal(a->parent->h,self->precision,&precision))
!= GRIB_SUCCESS)
return code;
self->dirty=1;
switch(precision)
{
case 1:
bytes = 4;
break;
case 2:
bytes = 8;
break;
default:
code = GRIB_NOT_IMPLEMENTED;
goto clean_up;
break;
}
bufsize = bytes*inlen;
buffer = grib_context_malloc(a->parent->h->context, bufsize);
if(!buffer)
{
code = GRIB_OUT_OF_MEMORY;
goto clean_up;
}
code=grib_ieee_encode_array(a->parent->h->context,values,inlen,bytes,buffer);
clean_up:
if(free_buffer) free(buffer);
if(free_values) free(values);
grib_buffer_replace(a, buffer, bufsize,1,1);
grib_context_buffer_free(a->parent->h->context,buffer);
code = grib_set_long(a->parent->h,self->number_of_values, inlen);
if(code==GRIB_READ_ONLY) code=0;
return code;
}
static int pack_double(grib_accessor* a, const double* val, size_t *len)
{
grib_accessor_data_g1complex_packing* self =
(grib_accessor_data_g1complex_packing*)a;
int ret = GRIB_SUCCESS;
long seclen=0;
long sub_j= 0;
long sub_k= 0;
long sub_m= 0;
long n= 0;
long half_byte= 0;
long bits_per_value =0;
size_t buflen =0;
grib_context* c=a->parent->h->context;
grib_handle* h=a->parent->h;
char* ieee_packing_s=NULL;
char* packingType_s=NULL;
char* precision_s=NULL;
grib_accessor_class* super = *(a->cclass->super);
if (*len ==0) return GRIB_NO_VALUES;
if (c->ieee_packing && self->ieee_packing) {
long precision=c->ieee_packing==32 ? 1 : 2;
size_t lenstr=strlen(self->ieee_packing);
packingType_s=grib_context_strdup(c,self->packingType);
ieee_packing_s=grib_context_strdup(c,self->ieee_packing);
precision_s=grib_context_strdup(c,self->precision);
grib_set_string(h,packingType_s,ieee_packing_s,&lenstr);
grib_set_long(h,precision_s,precision);
grib_context_free(c,packingType_s);
grib_context_free(c,ieee_packing_s);
grib_context_free(c,precision_s);
return grib_set_double_array(h,"values",val,*len);
}
if((ret = grib_get_long_internal(a->parent->h,self->sub_j,&sub_j)) != GRIB_SUCCESS)
return ret;
if((ret = grib_get_long_internal(a->parent->h,self->sub_k,&sub_k)) != GRIB_SUCCESS)
return ret;
if((ret = grib_get_long_internal(a->parent->h,self->sub_m,&sub_m)) != GRIB_SUCCESS)
return ret;
self->dirty=1;
Assert ((sub_j== sub_k) && (sub_m== sub_j));
ret = super->pack_double(a,val,len);
if(ret == GRIB_SUCCESS){
n = a->offset + 4*((sub_k+1)*(sub_k+2));
#if 1
/* Octet number starts from beginning of message but shouldn't */
if((ret = grib_set_long_internal(a->parent->h,self->N,n)) != GRIB_SUCCESS)
return ret;
#else
ret = grib_get_long_internal(a->parent->h,self->offsetsection,&offsetsection);
if(ret != GRIB_SUCCESS) return ret;
if((ret = grib_set_long_internal(a->parent->h,self->N,n-offsetsection))
!= GRIB_SUCCESS) return ret;
#endif
ret = grib_get_long_internal(a->parent->h,self->bits_per_value,&bits_per_value);
if(ret != GRIB_SUCCESS) return ret;
ret = grib_get_long_internal(a->parent->h,self->seclen,&seclen);
if(ret != GRIB_SUCCESS) return ret;
buflen = 32*(sub_k+1)*(sub_k+2)+(*len-(sub_k+1)*(sub_k+2))*bits_per_value+18*8;
half_byte = seclen*8-buflen;
if (a->parent->h->context->debug==-1) {
printf("GRIB_API DEBUG: half_byte=%ld\n",half_byte);
}
ret = grib_set_long_internal(a->parent->h,self->half_byte, half_byte);
if(ret != GRIB_SUCCESS) return ret;
}
return ret;
}
static int pack_long(grib_accessor* a, const long* val, size_t *len)
{
grib_accessor_select_step_template* self = (grib_accessor_select_step_template*)a;
long productDefinitionTemplateNumber=0;
long productDefinitionTemplateNumberNew=0;
/*TODO chemicals*/
grib_get_long(a->parent->h, self->productDefinitionTemplateNumber,&productDefinitionTemplateNumber);
if (self->instant) {
/* Going from continuous or non-continuous interval to a point-in-time (instantaneous) */
switch (productDefinitionTemplateNumber) {
case 8:
productDefinitionTemplateNumberNew=0;
break;
case 9:
productDefinitionTemplateNumberNew=5;
break;
case 10:
productDefinitionTemplateNumberNew=6;
break;
case 11:
productDefinitionTemplateNumberNew=1;
break;
case 12:
productDefinitionTemplateNumberNew=2;
break;
case 13:
productDefinitionTemplateNumberNew=3;
break;
case 14:
productDefinitionTemplateNumberNew=4;
break;
case 42: /* non-EPS chemical */
productDefinitionTemplateNumberNew=40;
break;
case 43: /* EPS chemical */
productDefinitionTemplateNumberNew=41;
break;
case 46: /* non-EPS aerosol */
productDefinitionTemplateNumberNew=44;
break;
case 47: /* EPS aerosol */
productDefinitionTemplateNumberNew=45;
break;
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
case 15:
productDefinitionTemplateNumberNew=productDefinitionTemplateNumber;
break;
default:
productDefinitionTemplateNumberNew=productDefinitionTemplateNumber;
break;
}
} else {
/* Going from point-in-time (instantaneous) to continuous or non-continuous interval */
switch (productDefinitionTemplateNumber) {
case 0:
productDefinitionTemplateNumberNew=8;
break;
case 1:
productDefinitionTemplateNumberNew=11;
break;
case 2:
productDefinitionTemplateNumberNew=12;
break;
case 3:
productDefinitionTemplateNumberNew=13;
break;
case 4:
productDefinitionTemplateNumberNew=14;
break;
case 5:
productDefinitionTemplateNumberNew=9;
break;
case 6:
productDefinitionTemplateNumberNew=10;
break;
case 40: /* non-EPS chemical */
productDefinitionTemplateNumberNew=42;
break;
case 41: /* EPS chemical */
productDefinitionTemplateNumberNew=43;
break;
case 44: /* non-EPS aerosol */
productDefinitionTemplateNumberNew=46;
break;
case 45: /* EPS aerosol */
productDefinitionTemplateNumberNew=47;
break;
case 7:
case 8:
case 9:
case 10:
case 11:
case 12:
case 13:
case 14:
productDefinitionTemplateNumberNew=productDefinitionTemplateNumber;
break;
default:
productDefinitionTemplateNumberNew=productDefinitionTemplateNumber;
break;
}
}
if (productDefinitionTemplateNumber != productDefinitionTemplateNumberNew)
grib_set_long(a->parent->h, self->productDefinitionTemplateNumber,productDefinitionTemplateNumberNew);
return 0;
}
static int pack_double(grib_accessor* a, const double* cval, size_t *len)
{
grib_accessor_data_g1simple_packing* self = (grib_accessor_data_g1simple_packing*)a;
grib_accessor_class* super = *(a->cclass->super);
size_t n_vals = *len;
long half_byte = 0;
int ret = 0;
long offsetdata = 0;
long offsetsection = 0;
double reference_value = 0;
long binary_scale_factor = 0;
long bits_per_value = 0;
long decimal_scale_factor = 0;
double decimal = 1;
size_t buflen = 0;
unsigned char* buf = NULL;
unsigned char* encoded = NULL;
double divisor = 1;
int i;
long off = 0;
grib_context* c=a->parent->h->context;
grib_handle* h=a->parent->h;
char* ieee_packing_s=NULL;
char* packingType_s=NULL;
char* precision_s=NULL;
double units_factor=1.0;
double units_bias=0.0;
double* val=(double*)cval;
double missingValue=9999.0;
long constantFieldHalfByte=0;
int err=0;
if(*len != 0) {
if(self->units_factor &&
(grib_get_double_internal(a->parent->h,self->units_factor,&units_factor)== GRIB_SUCCESS)) {
grib_set_double_internal(a->parent->h,self->units_factor,1.0);
}
if(self->units_bias &&
(grib_get_double_internal(a->parent->h,self->units_bias,&units_bias)== GRIB_SUCCESS)) {
grib_set_double_internal(a->parent->h,self->units_bias,0.0);
}
if (units_factor != 1.0) {
if (units_bias != 0.0)
for (i=0;i<n_vals;i++) val[i]=val[i]*units_factor+units_bias;
else
for (i=0;i<n_vals;i++) val[i]*=units_factor;
} else if (units_bias != 0.0)
for (i=0;i<n_vals;i++) val[i]+=units_bias;
if (c->ieee_packing && self->ieee_packing) {
long precision=c->ieee_packing==32 ? 1 : 2;
size_t lenstr=strlen(self->ieee_packing);
packingType_s=grib_context_strdup(c,self->packingType);
ieee_packing_s=grib_context_strdup(c,self->ieee_packing);
precision_s=grib_context_strdup(c,self->precision);
grib_set_string(h,packingType_s,ieee_packing_s,&lenstr);
grib_set_long(h,precision_s,precision);
grib_context_free(c,packingType_s);
grib_context_free(c,ieee_packing_s);
grib_context_free(c,precision_s);
return grib_set_double_array(h,"values",val,*len);
}
}
ret = super->pack_double(a,val,len);
switch (ret) {
case GRIB_CONSTANT_FIELD:
ret=grib_get_long(a->parent->h,"constantFieldHalfByte",&constantFieldHalfByte);
if (ret) constantFieldHalfByte=0;
if((ret = grib_set_long_internal(a->parent->h,self->half_byte, constantFieldHalfByte))
!= GRIB_SUCCESS)
return ret;
grib_buffer_replace(a, NULL, 0,1,1);
return GRIB_SUCCESS;
break;
case GRIB_NO_VALUES:
ret=grib_get_long(a->parent->h,"constantFieldHalfByte",&constantFieldHalfByte);
if (ret) constantFieldHalfByte=0;
/* TODO move to def file */
grib_get_double(a->parent->h,"missingValue", &missingValue);
if((err = grib_set_double_internal(a->parent->h,self->reference_value, missingValue)) !=
GRIB_SUCCESS)
return err;
if((ret = grib_set_long_internal(a->parent->h,self->binary_scale_factor, binary_scale_factor))
!= GRIB_SUCCESS)
return ret;
if((ret = grib_set_long_internal(a->parent->h,self->half_byte, constantFieldHalfByte))
!= GRIB_SUCCESS)
return ret;
grib_buffer_replace(a, NULL, 0,1,1);
return GRIB_SUCCESS;
break;
case GRIB_INVALID_BPV:
grib_context_log(a->parent->h->context,GRIB_LOG_ERROR,"unable to compute packing parameters\n");
return ret;
case GRIB_SUCCESS:
break;
default:
grib_context_log(a->parent->h->context,GRIB_LOG_FATAL,"unable to compute packing parameters\n");
return ret;
}
if((ret = grib_get_double_internal(a->parent->h,self->reference_value, &reference_value))
!= GRIB_SUCCESS)
return ret;
if((ret = grib_get_long_internal(a->parent->h,self->binary_scale_factor, &binary_scale_factor))
!= GRIB_SUCCESS)
return ret;
if((ret = grib_get_long_internal(a->parent->h,self->bits_per_value,&bits_per_value)) !=
GRIB_SUCCESS)
return ret;
if((ret = grib_get_long_internal(a->parent->h,self->decimal_scale_factor, &decimal_scale_factor))
!= GRIB_SUCCESS)
return ret;
if((ret = grib_get_long_internal(a->parent->h,self->offsetdata,&offsetdata)) != GRIB_SUCCESS)
return ret;
if((ret = grib_get_long_internal(a->parent->h,self->offsetsection,&offsetsection)) != GRIB_SUCCESS)
return ret;
decimal = grib_power(decimal_scale_factor,10) ;
divisor = grib_power(-binary_scale_factor,2);
buflen = (((bits_per_value*n_vals)+7)/8)*sizeof(unsigned char);
if((buflen + (offsetdata-offsetsection)) %2) {
buflen++;
/*
a->length++;
a->parent->h->buffer->ulength++;
*/
}
half_byte = (buflen*8)-((*len)*bits_per_value);
grib_context_log(a->parent->h->context,GRIB_LOG_DEBUG,
"HALF byte: buflen=%d bits_per_value=%ld len=%d half_byte=%ld\n",
buflen,bits_per_value,*len,half_byte);
Assert(half_byte <= 0x0f);
if((ret = grib_set_long_internal(a->parent->h,self->half_byte, half_byte))
!= GRIB_SUCCESS)
return ret;
buf = (unsigned char*)grib_context_buffer_malloc_clear(a->parent->h->context,buflen);
encoded = buf;
grib_encode_double_array(n_vals,val,bits_per_value,reference_value,decimal,divisor,encoded,&off);
grib_context_log(a->parent->h->context, GRIB_LOG_DEBUG,
"grib_accessor_data_g1simple_packing : pack_double : packing %s, %d values", a->name, n_vals);
grib_buffer_replace(a, buf, buflen,1,1);
grib_context_buffer_free(a->parent->h->context,buf);
return GRIB_SUCCESS;
}
int main(int argc, char* argv[]) {
grib_handle *h=NULL;
grib_context* c=NULL;
FILE* fin=NULL;
double *values=NULL;
char buffer[BUFF_SIZE]={0,};
char buf[BUFF_SIZE]={0,};
size_t length;
int sec4len;
flong ksec0[ISECTION_0];
flong ksec1[ISECTION_1];
flong ksec2[ISECTION_2];
flong ksec3[ISECTION_3];
flong ksec4[ISECTION_4];
flong miss=0;
const void *msg;
flong gribex_msg_len=0;
double rsec2[RSECTION_2];
double rsec3[RSECTION_3];
size_t nvalues=0;
double* gvalues;
FILE* fout;
int one=1;
char finname[]="sh.grib";
fin = fopen(finname,"r");
if(!fin) {perror(finname);exit(1);}
c=grib_context_get_default();
length=BUFF_SIZE;
GRIB_CHECK(grib_read_any_from_file(c,fin,buffer,&length),0);
fclose(fin);
h=grib_handle_new_from_message_copy(c,buffer,length);
GRIB_CHECK(grib_get_size(h,"values",&nvalues),0);
values=(double*)grib_context_malloc_clear(c,sizeof(double)*nvalues);
gvalues=(double*)grib_context_malloc_clear(c,sizeof(double)*nvalues);
if (!values) { printf("%s: memory allocation error\n",argv[0]); exit(1); }
if (!gvalues) { printf("%s: memory allocation error\n",argv[0]); exit(1); }
GRIB_CHECK(grib_get_double_array(h,"values",values,&nvalues),0);
GRIB_CHECK(grib_set_long(h,"computeLaplacianOperator",1),0);
GRIB_CHECK(grib_set_double_array(h,"values",values,nvalues),0);
grib_write_message(h,"out_grib_api.grib","w");
sec4len=nvalues+100000;
/* decode with gribex*/
msg=(char*)buffer;
gribex_msg_len=length;
sec4len=nvalues+100000;
gribex_check(cgribex( miss, ksec0,ksec1,ksec2,rsec2,ksec3,rsec3,
ksec4,gvalues,sec4len, (char*)msg,&gribex_msg_len,"D"));
/* encode values with gribex*/
gribex_msg_len=BUFF_SIZE;
grsmkp_(&one);
gribex_check(cgribex( miss, ksec0,ksec1,ksec2,rsec2,ksec3,rsec3,
ksec4,gvalues,nvalues, buf,&gribex_msg_len,"C"));
fout=fopen("out_gribex.grib","w");
if (!fout) {perror("out_gribex.grib");exit(1);}
if (fwrite(buf,1,gribex_msg_len,fout)!=gribex_msg_len) {
perror("out_gribex.grib"); exit(1);
}
fclose(fout);
return 0;
}
int main(int argc, char* argv[]) {
grib_handle *h=NULL;
grib_context* c=NULL;
FILE* fin=NULL;
FILE* fout=NULL;
char* finname;
char* ofilename;
char defofilename[]="ccsds_perf.out";
double *values=NULL;
int append=0;
size_t nvalues=0;
int count,e=0;
int repeatccsds=1;
int repeatsimple=1;
grib_timer *tes,*tds,*tej,*tdj;
char grid_ccsds[]="grid_ccsds";
size_t grid_ccsds_l=strlen(grid_ccsds);
char grid_simple[]="grid_simple";
size_t grid_simple_l=strlen(grid_simple);
char packingType[50]={0,};
size_t len=50;
char param[50]={0,};
char gridType[50]={0,};
char outfilename[255]={0,};
size_t filesize_ccsds=0;
size_t filesize_simple=0;
double perc=0;
long bitsPerValue=0;
int iarg=1;
char grid[20]={0,};
char shortName[20]={0,};
long level;
char levelType[20]={0,};
tes=grib_get_timer(0,"encoding simple", 0, 0);
tds=grib_get_timer(0,"decoding simple", 0, 0);
tej=grib_get_timer(0,"encoding ccsds", 0, 0);
tdj=grib_get_timer(0,"decoding ccsds", 0, 0);
if (argc != 4 && argc != 6 ) usage(argv[0]);
if (!strcmp(argv[iarg],"-w")) {
append=0;
iarg++;
ofilename=argv[iarg];
iarg++;
} else if (!strcmp(argv[iarg],"-a")) {
append=1;
iarg++;
ofilename=argv[iarg];
iarg++;
} else {
append=0;
ofilename=defofilename;
}
finname=argv[iarg++];
repeatsimple=atoi(argv[iarg++]);
bitsPerValue=atoi(argv[iarg++]);
fin = fopen(finname,"r");
if(!fin) {perror(finname);exit(1);}
if (append)
fout = fopen(ofilename,"a");
else
fout = fopen(ofilename,"w");
if(!fout) {perror(ofilename);exit(1);}
c=grib_context_get_default();
e=0;
h=grib_handle_new_from_file(c,fin,&e);
fclose(fin);
GRIB_CHECK(e,0);
len=50;
grib_get_string(h,"shortName",param,&len);
len=20;
grib_get_string(h,"levelType",levelType,&len);
if (!strcmp(levelType,"pl")) {
GRIB_CHECK(grib_get_long(h,"level",&level),0);
sprintf(shortName,"%s%ld",param,level);
} else {
sprintf(shortName,"%s",param);
}
grib_set_long(h,"editionNumber",2);
GRIB_CHECK(grib_get_size(h,"values",&nvalues),0);
values=(double*)grib_context_malloc(c,sizeof(double)*nvalues);
if (!values) { printf("%s: memory allocation error\n",argv[0]); exit(1); }
len=50;
grib_get_string(h,"gridType",gridType,&len);
len=50;
grib_get_string(h,"packingType",packingType,&len);
GRIB_CHECK(grib_get_double_array(h,"values",values,&nvalues),0);
grib_set_long(h,"bitsPerValue",bitsPerValue);
GRIB_CHECK(grib_set_double_array(h,"values",values,nvalues),0);
printf("--------------------------------\n");
printf("- %s - gridType=%s packingType=%s numberOfValues=%ld bitsPerValue=%ld\n",
param,gridType,packingType,(long)nvalues,bitsPerValue);
if (!strcmp(packingType,"spectral_complex") || !strcmp(packingType,"spectral_simple")) {
printf("unable to process spectral data\n");
exit(1);
}
if (!strcmp(gridType,"reduced_gg") || !strcmp(gridType,"regular_gg")) {
long N;
grib_get_long(h,"N",&N);
printf(" N=%ld\n",N);
sprintf(grid,"%ld",N);
}
if (!strcmp(gridType,"regular_ll")) {
double Di,Dj;
grib_get_double(h,"DiInDegrees",&Di);
grib_get_double(h,"DjInDegrees",&Dj);
printf(" Di=%g Dj=%g\n",Di,Dj);
sprintf(grid,"%g/%g",Di,Dj);
}
if (!append)
fprintf(fout,
"shortName gridType numberOfValues bitsPerValue grid sizeSimple sizeccsds encodeccsds encodeSimple decodeccsds decodeSimple\n");
/* decode values grid_simple */
if (strcmp(packingType,grid_simple))
grib_set_string(h,"packingType",grid_simple,&grid_simple_l);
/* printf("decoding simple\n"); */
grib_timer_start(tds);
for (count=0;count<repeatsimple;count++)
GRIB_CHECK(grib_get_double_array(h,"values",values,&nvalues),0);
grib_timer_stop(tds,0);
/* printf("%d messages decoded\n\n",count); */
*outfilename='\0';
sprintf(outfilename,"%s_%s_%ld_simple.grib2",param,gridType,bitsPerValue);
filesize_simple=grib_handle_write(h,outfilename);
printf("file size simple = %ld\n",(long)filesize_simple);
/* encode values grid_simple*/
/* printf("encoding simple\n"); */
grib_timer_start(tes);
for (count=0;count<repeatsimple;count++)
GRIB_CHECK(grib_set_double_array(h,"values",values,nvalues),0);
grib_timer_stop(tes,0);
/* printf("%d messages encoded \n\n",count); */
/* decode values grid_ccsds */
grib_set_string(h,"packingType",grid_ccsds,&grid_ccsds_l);
/* printf("decoding ccsds\n"); */
grib_timer_start(tdj);
for (count=0;count<repeatccsds;count++)
GRIB_CHECK(grib_get_double_array(h,"values",values,&nvalues),0);
grib_timer_stop(tdj,0);
/* printf("%d messages decoded\n\n",count); */
*outfilename='\0';
sprintf(outfilename,"%s_%s_%ld_ccsds.grib2",param,gridType,bitsPerValue);
filesize_ccsds=grib_handle_write(h,outfilename);
printf("file size ccsds = %ld\n",(long)filesize_ccsds);
perc=(double)filesize_simple/(double)filesize_ccsds;
printf("compression ratio = %g \n",perc);
printf("space savings = %g \n",(1.0-1.0/perc)*100);
/* encode values grid_ccsds*/
/* printf("encoding ccsds\n"); */
grib_timer_start(tej);
for (count=0;count<repeatccsds;count++)
GRIB_CHECK(grib_set_double_array(h,"values",values,nvalues),0);
grib_timer_stop(tej,0);
/* printf("%d messages encoded \n\n",count); */
grib_handle_delete(h);
grib_context_free(c,values);
print_timer(tej,repeatccsds);
print_timer(tdj,repeatccsds);
print_timer(tes,repeatsimple);
print_timer(tds,repeatsimple);
printf("--------------------------------\n\n");
fprintf(fout,"%s %s %ld %ld %s %ld %ld %g %g %g %g\n",
shortName,gridType,(long)nvalues,bitsPerValue,
grid,(long)filesize_simple,(long)filesize_ccsds,tej->timer_/repeatccsds,tes->timer_/repeatsimple,tdj->timer_/repeatccsds,tds->timer_/repeatsimple);
return 0;
}
int main(int argc, char** argv)
{
int err = 0;
size_t size=0;
FILE* in = NULL;
char* infile = "../../data/regular_latlon_surface.grib1";
FILE* out = NULL;
char* outfile = "out.precision.grib1";
grib_handle *h = NULL;
const void* buffer = NULL;
double* values1=NULL;
double* values2=NULL;
double maxa=0;
double maxv=0,minv=0;
double maxr=0,r=0;
long decimalPrecision;
long bitsPerValue1=0, bitsPerValue2=0;
int i=0;
in = fopen(infile,"r");
if(!in) {
printf("ERROR: unable to open input file %s\n",infile);
return 1;
}
out = fopen(outfile,"w");
if(!out) {
printf("ERROR: unable to open output file %s\n",outfile);
fclose(in);
return 1;
}
/* create a new handle from a message in a file */
h = grib_handle_new_from_file(0,in,&err);
if (h == NULL) {
printf("Error: unable to create handle from file %s\n",infile);
}
/* bitsPerValue before changing the packing parameters */
GRIB_CHECK(grib_get_long(h,"bitsPerValue",&bitsPerValue1),0);
assert(bitsPerValue1 == 16);
/* get the size of the values array*/
GRIB_CHECK(grib_get_size(h,"values",&size),0);
assert(size == 496);
values1 = (double*)malloc(size*sizeof(double));
/* get data values before changing the packing parameters*/
GRIB_CHECK(grib_get_double_array(h,"values",values1,&size),0);
/* changing decimal precision to 2 means that 2 decimal digits
are preserved when packing. */
decimalPrecision=2;
GRIB_CHECK(grib_set_long(h,"changeDecimalPrecision",decimalPrecision),0);
/* bitsPerValue after changing the packing parameters */
GRIB_CHECK(grib_get_long(h,"bitsPerValue",&bitsPerValue2),0);
assert(bitsPerValue2 == 12);
values2 = (double*)malloc(size*sizeof(double));
/* get data values after changing the packing parameters*/
GRIB_CHECK(grib_get_double_array(h,"values",values2,&size),0);
/* computing error */
maxa=0;
maxr=0;
maxv=values2[0];
minv=maxv;
for (i=0;i<size;i++) {
double a=fabs(values2[i]-values1[i]);
if ( values2[i] > maxv ) maxv=values2[i];
if ( values2[i] < minv ) minv=values2[i];
if ( values2[i] !=0 ) r=fabs((values2[i]-values1[i])/values2[i]);
if ( a > maxa ) maxa=a;
if ( r > maxr ) maxr=r;
}
printf("max absolute error = %g\n",maxa);
printf("max relative error = %g\n",maxr);
printf("min value = %g\n",minv);
printf("max value = %g\n",maxv);
assert(fabs(minv - EXPECTED_MIN) < EPSILON);
assert(fabs(maxv - EXPECTED_MAX) < EPSILON);
/* get the coded message in a buffer */
GRIB_CHECK(grib_get_message(h,&buffer,&size),0);
/* write the buffer in a file*/
if(fwrite(buffer,1,size,out) != size)
{
perror(argv[1]);
exit(1);
}
grib_handle_delete(h);
fclose(in);
fclose(out);
return 0;
}
int main(int argc, char** argv) {
int err = 0;
size_t i = 0;
size_t count;
size_t size;
long numberOfContributingSpectralBands;
long values[1024];
FILE* in = NULL;
char* filename = "../../data/satellite.grib";
grib_handle *h = NULL;
in = fopen(filename,"r");
if(!in) {
printf("ERROR: unable to open file %s\n",filename);
return 1;
}
/* create new handle from a message in a file*/
h = grib_handle_new_from_file(0,in,&err);
if (h == NULL) {
printf("Error: unable to create handle from file %s\n",filename);
}
numberOfContributingSpectralBands = 2;
GRIB_CHECK(grib_set_long(h,"numberOfContributingSpectralBands",numberOfContributingSpectralBands),0);
numberOfContributingSpectralBands = 9;
GRIB_CHECK(grib_set_long(h,"numberOfContributingSpectralBands",numberOfContributingSpectralBands),0);
/* get as a long*/
GRIB_CHECK(grib_get_long(h,"numberOfContributingSpectralBands",&numberOfContributingSpectralBands),0);
printf("numberOfContributingSpectralBands=%ld\n",numberOfContributingSpectralBands);
/* get as a long*/
GRIB_CHECK(grib_get_size(h,"scaledValueOfCentralWaveNumber",&count),0);
printf("count=%ld\n",(long)count);
assert(count < sizeof(values)/sizeof(values[0]));
size = count;
GRIB_CHECK(grib_get_long_array(h,"scaledValueOfCentralWaveNumber",values,&size),0);
assert(size == count);
for(i=0;i<count;i++)
printf("scaledValueOfCentralWaveNumber %lu = %ld\n",(unsigned long)i,values[i]);
for(i=0;i<count;i++)
values[i] = -values[i];
size = count;
/* size--; */
GRIB_CHECK(grib_set_long_array(h,"scaledValueOfCentralWaveNumber",values,size),0);
assert(size == count);
grib_handle_delete(h);
fclose(in);
return 0;
}