|
RESOL
|
=
|
ARCHIVED VALUE
|
[AV]
|
|
FORMAT
|
=
|
GRIB
|
[GB]
|
|
|
GAUSSIAN
|
=
|
OFF
|
|
GRID
|
=
|
a/b
AUTOMATIC [AUTO]
a= grid resolution
(deg.) along a latitude line (i.e. East/West)
b= grid resolution
(deg.) along a longitude line (i.e. North/South)
0.5/0.5 or multiples
thereof;
AUTOMATIC - values
for the parameter GRID will be defined automatically
|
|
AREA
|
=
|
*/*/*/*
Output area
definition. Four values (3 decimal places allowed) to provide a
user- defined sub-area as North/West/South/East;
Negative values
indicate western longitudes and southern latitudes.
|
|
FRAME
|
=
|
OFF to switch off
the frame option
n
n is the number of
points inward from each edge of defined area required to form a
boundary product. The resulting FM 92 GRIB code will contain bits
set within the appropriate ate flag to indicate that sections 2 and
3 are both present.
|
|
BITMAP
|
=
|
OFF to switch off
the bitmap option
"filename"
"filename" is the
name of a file containing a valid user-defined bitmap specification
to build a product by selecting data from points of a latitude-
longitude or a
Gaussian grid.
|
|
ACCURACY
|
=
|
NORMAL
ARCHIVED VALUE
n
|
[N]
[AV]
|
(default) - GRIB
only
|
|
n is the number of
bits per packed value. n must not be less than half of default
value nor greater then 24.
[N] - Default values
are listed in the Table 4.2
[AV] - Resulting
field will have accuracy of the originally generated and archived
field.
|
|
PACKING
|
=
|
ARCHIVED VALUE
SIMPLE
SECOND ORDER
|
[AV]
[SIM]
[SO]
|
(default)
|
|
AV - GRIB packing as
currently in use, at the moment SIMPLE for grid point data.
SIM - simple
packing;
SO - grid point data
only (substantiality reduces the size of GRIB messages);
|
|
PADDING
|
=
|
AUTOMATIC
NONE
n
|
[AUTO]
[N]
|
as currently in use
(default);
no padding;
|
|
n is the number of
bytes to which multiple the binary message is padded to with NULL
bytes;
The meaning of AUTO
is at the moment 120 bytes for GRIB data and 8 bytes for BUFR data.
Also, these are the only values supported for n at the moment.
|
|
OPTIONS
|
=
|
NORMAL
DELAY
|
[NORM] (default)
[DELA]
|
|
Note:
DELAY causes
products to be generated, but not transmitted;
DELAY products can
be obtained using the repeat facility.
|
