void gb2_vcrd ( char *wmolvltbl, char *lcllvltbl, Gribmsg *cmsg,
int *levels, int *vcord, char *unit, int *iret )
/************************************************************************
* gb2_vcrd *
* *
* This routine computes the vertical coordinate level/layer values *
* from the GRIB2 PDS. Also, the GEMPAK vertical coordinate type is *
* obtained from the appropriate GRIB2 vertical coordinate table. *
* *
* If either wmolvltbl or lcllvltbl are NULL, the default tables are *
* read. *
* *
* gb2_vcrd ( wmolvltbl, lcllvltbl, cmsg, levels, vcord, iret ) *
* *
* Input parameters: *
* *wmolvltbl char WMO vertical coordinate table *
* *lcllvltbl char Local vertical coordinate table *
* *cmsg struct Gribmsg GRIB2 message structure *
* *
* Output parameters: *
* levels[2] int lower/upper level/layer values *
* *vcord int GEMPAK vertical goordinate type *
* *iret int return code *
* -27 = Unrecognized PDT number *
** *
* Log: *
* S. Gilbert/NCEP 11/04 *
* S. Gilbert/NCEP 10/05 Use new routines to read tables *
***********************************************************************/
{
int ret, ier, lvl1, lvl2, iver, lclver, ilen;
G2level g2lev;
G2lvls *g2lvltbl;
char vparm[12], ctemp[20];
float rlevel[2];
double sfact;
/*---------------------------------------------------------------------*/
*iret = 0;
/*
* Get Level into from vertical coordinate table(s).
*/
iver=cmsg->gfld->idsect[2];
lclver=cmsg->gfld->idsect[3];
lvl1=cmsg->gfld->ipdtmpl[9];
lvl2=cmsg->gfld->ipdtmpl[12];
if ( ( lvl1 < 192 || lvl1 == 255 ) &&
( lvl2 < 192 || lvl2 == 255 ) ) {
/*
* Get WMO vertical coordinate table.
*/
gb2_gtwmolvltbl( wmolvltbl, iver, &g2lvltbl, &ier);
if ( ier == 0 ) {
/*
* Get Level into from WMO vertical coordinate table.
*/
gb2_sklvl( lvl1, lvl2, g2lvltbl, &g2lev, &ier);
}
}
else {
/*
* Get Local vertical coordinate table.
*/
gb2_gtlcllvltbl( lcllvltbl, cmsg->origcntr, lclver, &g2lvltbl, &ier);
if ( ier == 0 ) {
/*
* Get Level into from Local vertical coordinate table.
*/
gb2_sklvl( lvl1, lvl2, g2lvltbl, &g2lev, &ier);
}
}
if ( ier != 0 ) {
*iret=ier;
if ( ier == -30 ) {
sprintf(ctemp,"%d|%d", lvl1, lvl2);
er_wmsg("GB",&ier,ctemp,&ret,2,strlen(ctemp));
}
return;
}
/*
* Calculate GEMPAK vertical coordinate type
*/
lv_cord ( g2lev.abbrev, vparm, vcord, &ier, 4, 12);
if ( ier != 0 ) {
*iret=-7;
return;
}
/*cst_lstr ( g2lev.unit, &ilen, &ier );*/
cst_rmbl ( g2lev.unit, unit, &ilen, &ier );
if ( ( strcmp(unit,"Pa") == 0 ) && ( g2lev.scale == -2 ) )
sprintf ( unit, "hPa\0" );
/*else
strncat( unit, g2lev.unit, ilen);*/
/*
* Extract vertical coordinate levels from GRIB2 PDS
*/
gb2_vlev ( cmsg->gfld, rlevel, &ier );
if ( ier != 0 ) {
*iret=ier;
return;
}
/*
* Scale level values by scale factor found in vertical
* coordinate table.
*/
sfact=pow((double)10.0,g2lev.scale);
levels[0] = (int)rint( rlevel[0] * sfact );
if ( rlevel[1] == -1.0 ) {
levels[1] = -1;
}
else {
levels[1] = (int)rint( rlevel[1] * sfact );
}
if ( lvl1 == 1 ) { /* Surface */
levels[0] = 0;
levels[1] = -1;
}
}
void gb2_level2g2( int vcord, char *wmolvltbl, char *lcllvltbl,
int wmover, int lclver, char *wmocntr,
G2level *tblentry, int *iret )
/************************************************************************
* gb2_level2g2 *
* *
* This routine returns the Grib2 vertical coordinate table entry that *
* matches the given vertical coordinate. *
* *
* If either wmolvltbl or lcllvltbl are NULL, the default tables are *
* read. *
* *
* gb2_level2g2 ( vcord, wmolvltbl, lcllvltbl, wmover, lclver, wmocntr, *
* tblentry, iret ) *
* *
* Input parameters: *
* vcord int 4 byte vert. coord. abbrev. *
* *wmolvltbl char WMO vert. coord. table *
* *lcllvltbl char Local vert. coord. table *
* wmover int WMO table version number *
* lclver int Local table version number *
* *wmocntr char Originating center abbreviation *
* *
* Output parameters: *
* *tblentry G2level GRIB2 vert. coord. table entry *
* *iret int return code *
* 1 = No gempak vert. coord. *
* defined for this grid *
** *
* Log: *
* S. Gilbert/NCEP 08/05 *
***********************************************************************/
{
int ret, ier;
char vcabbrev[5];
G2lvls *g2lvltbl;
/*---------------------------------------------------------------------*/
*iret = 0;
ier = -1;
/*
* Get Level info from Vertical Coordinate table(s).
*/
if ( wmover != 255 ) { /* try WMO vert. coord. table */
/*
* get WMO vert. coord. Table
*/
gb2_gtwmolvltbl ( wmolvltbl, wmover, &g2lvltbl, &ier);
if ( ier == 0 ) {
/*
* Check for desired Level in table
*/
gb2_skvcord( vcord, g2lvltbl, tblentry, &ier);
}
}
/*
* Try local vertical coordinate table next...
*/
if ( ier != 0 ) {
/*
* get Local vert. coord. Table
*/
gb2_gtlcllvltbl ( lcllvltbl, wmocntr, lclver, &g2lvltbl, &ier);
if ( ier == 0 ) {
/*
* Check for desired level in table
*/
gb2_skvcord( vcord, g2lvltbl, tblentry, &ier);
}
}
if ( ier != 0 ) {
if ( ier == -30 ) {
vcabbrev[4]='\0';
lv_ccrd( &vcord, vcabbrev, &ret, 4 );
ER_WMSG("GB",&ier,vcabbrev,&ret,2,4);
}
*iret=1;
return;
}
}