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Bugfix #2782 main_v11.1 MASSDEN (#2784)
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* Per #2782, update the multiple matching records warning message to include the table number for each record.

* Per #2782, update read_grib2_record_list() to parse the level values and aerosol information correctly for table 4.48.

* Per #2782 tweak variable naming convention.
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JohnHalleyGotway authored Jan 11, 2024
1 parent 8c1e658 commit e2fd280
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Showing 2 changed files with 33 additions and 7 deletions.
36 changes: 29 additions & 7 deletions src/libcode/vx_data2d_grib2/data2d_grib2.cc
Original file line number Diff line number Diff line change
Expand Up @@ -198,8 +198,9 @@ bool MetGrib2DataFile::data_plane(VarInfo &vinfo, DataPlane &plane) {
if( 1 < listMatch.size() ){
ConcatString msg;
for(size_t i=0; i < listMatch.size(); i++) {
msg << "record " << listMatch[i]->RecNum
msg << " Record " << listMatch[i]->RecNum
<< " field " << listMatch[i]->FieldNum
<< ", table 4." << listMatch[i]->PdsTmpl
<< ": ipdtmpl[" << listMatch[i]->IPDTmpl.n()
<< "] = ";
for(int j=0; j < listMatch[i]->IPDTmpl.n(); j++) {
Expand Down Expand Up @@ -259,8 +260,9 @@ int MetGrib2DataFile::data_plane_array( VarInfo &vinfo,
if( 1 < listMatchExact.size() ){
ConcatString msg;
for(size_t i=0; i < listMatchExact.size(); i++) {
msg << "record " << listMatchExact[i]->RecNum
msg << " Record " << listMatchExact[i]->RecNum
<< " field " << listMatchExact[i]->FieldNum
<< ", table 4." << listMatchExact[i]->PdsTmpl
<< ": ipdtmpl[" << listMatchExact[i]->IPDTmpl.n()
<< "] = ";
for(int j=0; j < listMatchExact[i]->IPDTmpl.n(); j++) {
Expand Down Expand Up @@ -729,11 +731,17 @@ void MetGrib2DataFile::read_grib2_record_list() {
rec->PdsTmpl = gfld->ipdtnum;
rec->ParmCat = gfld->ipdtmpl[0];
rec->Parm = gfld->ipdtmpl[1];
rec->Process = gfld->ipdtmpl[2];

// get the process id
if( gfld->ipdtnum != 46 && gfld->ipdtnum != 48 ) {
rec->Process = gfld->ipdtmpl[2];
}

// get the level type
if( gfld->ipdtnum == 46 ) {
rec->LvlTyp = gfld->ipdtmpl[15];
} else if( gfld->ipdtnum == 48 ) {
rec->LvlTyp = gfld->ipdtmpl[20];
} else {
rec->LvlTyp = gfld->ipdtmpl[9];
}
Expand All @@ -746,10 +754,16 @@ void MetGrib2DataFile::read_grib2_record_list() {
// check for template number 46
if( gfld->ipdtnum == 46 ) {
rec->LvlVal1 = scaled2dbl(gfld->ipdtmpl[16], gfld->ipdtmpl[17]);
rec->LvlVal2 = rec->LvlVal1;
// check for special fixed level types (1 through 10 or 101) and set the level values to 0
// Reference: https://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_doc/grib2_table4-5.shtml
} else if( (rec->LvlTyp >= 1 && rec->LvlTyp <= 10) || rec->LvlTyp == 101 ) {
rec->LvlVal2 = rec->LvlVal1;
}
// check for template number 48
else if( gfld->ipdtnum == 48 ) {
rec->LvlVal1 = scaled2dbl(gfld->ipdtmpl[21], gfld->ipdtmpl[22]);
rec->LvlVal2 = rec->LvlVal1;
}
// check for special fixed level types (1 through 10 or 101) and set the level values to 0
// Reference: https://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_doc/grib2_table4-5.shtml
else if( (rec->LvlTyp >= 1 && rec->LvlTyp <= 10) || rec->LvlTyp == 101 ) {
rec->LvlVal1 = 0;
rec->LvlVal2 = 0;
} else {
Expand Down Expand Up @@ -806,6 +820,14 @@ void MetGrib2DataFile::read_grib2_record_list() {
rec->PercVal = gfld->ipdtmpl[15];
}

// aerosol type and size for templates 46 and 48
if( 46 == gfld->ipdtnum || 48 == gfld->ipdtnum ){
rec->AerosolType = gfld->ipdtmpl[2];
rec->AerosolIntervalType = gfld->ipdtmpl[3];
rec->AerosolSizeLower = scaled2dbl(gfld->ipdtmpl[4], gfld->ipdtmpl[5]);
rec->AerosolSizeUpper = scaled2dbl(gfld->ipdtmpl[6], gfld->ipdtmpl[7]);
}

// depending on the template number, determine the reference times
if( 8 <= gfld->ipdtnum && 12 >= gfld->ipdtnum ){

Expand Down
4 changes: 4 additions & 0 deletions src/libcode/vx_data2d_grib2/data2d_grib2.h
Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,10 @@ typedef struct {
int DerType;
int StatType;
int PercVal;
int AerosolType;
int AerosolIntervalType;
double AerosolSizeLower;
double AerosolSizeUpper;
IntArray IPDTmpl;
} Grib2Record;

Expand Down

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