table of contents
g2_unpack5.c(3) | NCEPLIBS-g2c | g2_unpack5.c(3) |
NAME¶
g2_unpack5.c - Unpack Section 5 (Data Representation Section) as defined in GRIB Edition 2.
SYNOPSIS¶
#include <stdio.h>
#include <stdlib.h>
#include 'grib2.h'
Functions¶
g2int g2_unpack5 (unsigned char *cgrib, g2int
*iofst, g2int *ndpts, g2int *idrsnum, g2int **idrstmpl,
g2int *mapdrslen)
This subroutine unpacks Section 5 (Data Representation Section) as defined in
GRIB Edition 2.
Detailed Description¶
Unpack Section 5 (Data Representation Section) as defined in GRIB Edition 2.
Author
Date
Definition in file g2_unpack5.c.
Function Documentation¶
g2int g2_unpack5 (unsigned char * cgrib, g2int * iofst, g2int * ndpts, g2int * idrsnum, g2int ** idrstmpl, g2int * mapdrslen)¶
This subroutine unpacks Section 5 (Data Representation Section) as defined in GRIB Edition 2. PROGRAM HISTORY LOG:
- 2002-10-31 Gilbert
- 2009-01-14 Vuong Changed structure name template to gtemplate
Parameters
iofst Bit offset for the beginning of Section 5 in cgrib. Returned with bit offset at the end of Section 5.
ndpts Number of data points unpacked and returned.
idrsnum Data Representation Template Number (see Code Table 5.0).
idrstmpl Pointer to an integer array containing the data values for the specified Data Representation Template (N=idrsnum). Each element of this integer array contains an entry (in the order specified) of Data Representation Template 5.N.
mapdrslen- Number of elements in idrstmpl. i.e. number of entries in Data Representation Template 5.N (N=idrsnum).
Returns
- 0 no error
- 2 Not Section 5
- 6 memory allocation error
- 7 'GRIB' message contains an undefined Data Representation Template.
Author
Date
Definition at line 40 of file g2_unpack5.c.
References gtemplate::ext, extdrstemplate(), gtemplate::extlen, gbit(), getdrstemplate(), gtemplate::map, gtemplate::maplen, and gtemplate::needext.
Referenced by g2_getfld().
Author¶
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Tue May 3 2022 | Version 1.6.4 |