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ECC-802: grid_complex

This commit is contained in:
Shahram Najm 2019-12-30 16:28:44 +00:00
parent 01cf5902b9
commit 693726f23f
3 changed files with 63 additions and 13 deletions
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23
src/grib_accessor_class_data_g22order_packing.c
View File

@ -707,21 +707,35 @@ static int pack_double(grib_accessor* a, const double* val, size_t *len)
long lengthIncrementForTheGroupLengths;
long trueLengthOfLastGroup;
long numberOfBitsUsedForTheScaledGroupLengths;
long orderOfSpatialDifferencing;
long numberOfOctetsExtraDescriptors;
long maxgrw ;
long maxgrl ;
char packingType[254]={0,};
size_t slen=254;
if (*len ==0) return GRIB_NO_VALUES;
if((err = grib_get_long_internal(gh,self->bits_per_value,&bits_per_value )) != GRIB_SUCCESS) return err;
if((err = grib_get_long_internal(gh,self->decimal_scale_factor,&decimal_scale_factor )) != GRIB_SUCCESS) return err;
if((err = grib_get_long_internal(gh,self->typeOfOriginalFieldValues,&typeOfOriginalFieldValues )) != GRIB_SUCCESS) return err;
if((err = grib_get_long_internal(gh,self->groupSplittingMethodUsed,&groupSplittingMethodUsed )) != GRIB_SUCCESS) return err;
/*if((err = grib_get_long_internal(gh,self->groupSplittingMethodUsed,&groupSplittingMethodUsed )) != GRIB_SUCCESS) return err;*/
/* Key groupSplittingMethodUsed uses Code table 5.4 which has two entries:
* 0 Row by row splitting
* 1 General group splitting
* We only support General group splitting
*/
groupSplittingMethodUsed = 1;
if((err = grib_get_long_internal(gh,self->missingValueManagementUsed,&missingValueManagementUsed )) != GRIB_SUCCESS) return err;
if((err = grib_get_long_internal(gh,self->primaryMissingValueSubstitute,&primaryMissingValueSubstitute )) != GRIB_SUCCESS) return err;
if((err = grib_get_long_internal(gh,self->secondaryMissingValueSubstitute,&secondaryMissingValueSubstitute )) != GRIB_SUCCESS) return err;
if((err = grib_get_long_internal(gh,self->numberOfBitsUsedForTheGroupWidths,&numberOfBitsUsedForTheGroupWidths )) != GRIB_SUCCESS) return err;
if((err = grib_get_long_internal(gh,self->numberOfBitsUsedForTheScaledGroupLengths,&numberOfBitsUsedForTheScaledGroupLengths )) != GRIB_SUCCESS) return err;
if((err = grib_get_long_internal(gh,self->orderOfSpatialDifferencing,&orderOfSpatialDifferencing)) != GRIB_SUCCESS) return err;
if((err = grib_get_long_internal(gh,self->numberOfOctetsExtraDescriptors,&numberOfOctetsExtraDescriptors)) != GRIB_SUCCESS) return err;
self->dirty=1;
@ -811,8 +825,7 @@ static int pack_double(grib_accessor* a, const double* val, size_t *len)
nv-=nvals_per_group;
}
/* fprintf(stdout," %d bytes %d marked\n", (ref_p+7)/8 + (width_p+7)/8 + (length_p+7)/8 + (vals_p+7)/8,buf_size);
*/
/*fprintf(stdout,"spatial pack_double:: %ld bytes %lu marked\n", (ref_p+7)/8 + (width_p+7)/8 + (length_p+7)/8 + (vals_p+7)/8, buf_size);*/
grib_buffer_replace(a, buf,buf_size,1,1);
grib_context_free (a->context,buf);
@ -841,8 +854,12 @@ static int pack_double(grib_accessor* a, const double* val, size_t *len)
if((err = grib_set_long_internal(gh,self->trueLengthOfLastGroup,trueLengthOfLastGroup )) != GRIB_SUCCESS) return err;
if((err = grib_set_long_internal(gh,self->numberOfBitsUsedForTheScaledGroupLengths,numberOfBitsUsedForTheScaledGroupLengths )) != GRIB_SUCCESS) return err;
err = grib_get_string(gh, "packingType", packingType, &slen);
if (!err && strcmp(packingType, "grid_complex_spatial_differencing")==0) {
if((err = grib_set_long_internal(gh,self->orderOfSpatialDifferencing,0 )) != GRIB_SUCCESS) return err;
if((err = grib_set_long_internal(gh,self->numberOfOctetsExtraDescriptors,0 )) != GRIB_SUCCESS) return err;
}
/* ECC-259: Set correct number of values */
if((err = grib_set_long_internal(gh,self->numberOfValues,*len )) != GRIB_SUCCESS) return err;

1
tests/CMakeLists.txt
View File

@ -71,6 +71,7 @@ list( APPEND tests_no_data_reqd
# These tests do require data downloads
list( APPEND tests_data_reqd
bpv_limit
grib_complex
grib_double_cmp
grib_change_packing
bufr_dump_data

32
tests/grib_complex.sh Executable file
View File

@ -0,0 +1,32 @@
#!/bin/sh
# Copyright 2005-2019 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.sh
REDIRECT=/dev/null
label="grib_complex"
temp=${label}".grib.tmp"
temp1=${label}".1.tmp"
temp2=${label}".2.tmp"
files="sample.grib2"
for file in $files; do
infile=${data_dir}/$file
${tools_dir}/grib_set -r -s packingType=grid_complex $infile $temp
grib_check_key_equals $temp packingType grid_complex
${tools_dir}/grib_get '-F%.2f' -p min,max,avg $infile > $temp1
${tools_dir}/grib_get '-F%.2f' -p min,max,avg $temp > $temp2
diff $temp1 $temp2
rm -f $temp $temp1 $temp2
done