gf_unpack5.F90 File Reference

Unpack Section 5 (<a href="https://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_doc/grib2_sect5.shtml". More...

Go to the source code of this file.

Functions/Subroutines
subroutine	gf_unpack5 (cgrib, lcgrib, iofst, ndpts, idrsnum, idrstmpl, mapdrslen, ierr)
	Unpack Section 5 (Data Representation Section) of a GRIB2 message, starting at octet 6 of that Section. More...

Detailed Description

Unpack Section 5 (<a href="https://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_doc/grib2_sect5.shtml".

>Data Representation Section) of a GRIB2 message.

Author

Stephen Gilbert

Date

2000-05-26

Definition in file gf_unpack5.F90.

Function/Subroutine Documentation

gf_unpack5()

subroutine gf_unpack5	(	character(len = 1), dimension(lcgrib), intent(in)	cgrib,
		integer, intent(in)	lcgrib,
		integer, intent(inout)	iofst,
		integer, intent(out)	ndpts,
		integer, intent(out)	idrsnum,
		integer, dimension(:), pointer	idrstmpl,
		integer	mapdrslen,
		integer, intent(out)	ierr
	)

Unpack Section 5 (Data Representation Section) of a GRIB2 message, starting at octet 6 of that Section.

Parameters

[in]	cgrib	Character array that contains the GRIB2 message.
[in]	lcgrib	Length (in bytes) of GRIB message array cgrib.
[in,out]	iofst	Bit offset of the beginning/end(returned) of Section 5.
[out]	ndpts	Number of data points unpacked and returned.
[out]	idrsnum	Data Representation Template Number (Code Table 5.0).
[out]	idrstmpl	Contains 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 Product Defintion Template 5.N A safe dimension for this array can be obtained in advance from maxvals(6), which is returned from subroutine gribinfo.
[out]	mapdrslen	Number of elements in idrstmpl. i.e. number of entries in Data Representation Template 5.N (N = idrsnum).
[out]	ierr	Error return code. 0 no error. 6 memory allocation error. 7 "GRIB" message contains an undefined Grid Definition Template.

Author

Stephen Gilbert

Date

2000-05-26

Definition at line 33 of file gf_unpack5.F90.

References drstemplates::extdrstemplate(), g2_gbytec(), and drstemplates::getdrstemplate().

Referenced by getgb2s(), and gf_getfld().