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19990303: gdedit questions.
- Subject: 19990303: gdedit questions.
- Date: Wed, 03 Mar 1999 14:08:40 -0700
Steve,
You didn't show me what yourexisting grid file configuration
looked like, so I'll create a sample grid file and import
your grid shown below:
In gdcfil, I'll create a 25x3 grid for some projection and area.
GDOUTF = test.gem
PROJ = lcc
GRDAREA = tn
KXKY = 25;3
MAXGRD = 100
CPYFIL =
ANLYSS =
GEMPAK-GDCFIL>r
GDCFIL PARAMETERS:
New grid file: test.gem
Grid projection: LCC
Lower left corner: 30.00 -95.00
Upper right corner: 41.00 -79.00
KX, KY: 25 3
DELTAN = 7.737 EXTEND = 2; 2; 2; 2
Maximum number of grids that can be added to file 100
Enter <cr> to accept parameters or type EXIT:
Parameters requested: GDOUTF,PROJ,GRDAREA,KXKY,MAXGRD,CPYFIL,ANLYSS.
GEMPAK-GDCFIL>
Now, I will import your 25x3 grid into my grid file:
GDEFIL = test.dat
GDFILE = test.gem
GPACK =
GEMPAK-GDEDIT>r
GDEDIT PARAMETERS:
Grid to be added:
TIME1 TIME2 LEVL1 LEVL2 VCORD PARM
990122/1700 0 PRES SALT
Enter <cr> to accept parameters or type EXIT:
Parameters requested: GDEFIL,GDFILE,GPACK.
GEMPAK-GDEDIT>
Now I'll list your grid back out of test.gem with gdlist:
GDATTIM = 1700
GLEVEL = 0
GVCORD = pres
GFUNC = salt
GDFILE = test.gem
GAREA = tn
PROJ = lcc
SCALE = 0
OUTPUT = t
GEMPAK-GDLIST>r
GDLIST PARAMETERS:
Grid file: test.gem
GRID IDENTIFIER:
TIME1 TIME2 LEVL1 LEVL2 VCORD PARM
990122/1700 0 PRES SALT
GAREA: tn
SCALE FACTOR : 10** 0
OUTPUT: TERM/
MINIMUM AND MAXIMUM VALUES -0.46 0.44
Enter <cr> to accept parameters or type EXIT:
Grid file: test.gem
GRID IDENTIFIER:
TIME1 TIME2 LEVL1 LEVL2 VCORD PARM
990122/1700 0 PRES SALT
AREA: tn GRID SIZE: 25 3
COLUMNS: 1 25 ROWS: 1 3
Scale factor: 10** 0
COLUMN: 1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
17 18 19 20 21 22 23 24
25
ROW 3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00
ROW 2 0.24 0.25 0.25 0.16 0.14 0.05 -0.03 -0.10
-0.07 -0.08 -0.01 0.01 -0.19 -0.36 -0.30 0.18
0.12 0.02 0.12 0.20 -0.14 -0.35 -0.30 0.27
0.00
ROW 1 0.26 0.29 0.20 0.19 0.17 0.00 -0.09 -0.15
-0.09 -0.11 -0.10 -0.04 -0.22 -0.46 -0.39 -0.02
-0.12 -0.08 -0.11 -0.10 -0.18 0.07 0.27 0.44
0.00
Parameters requested: GDATTIM,GLEVEL,GVCORD,GFUNC,GDFILE,GAREA,PROJ,SCALE,
OUTPUT.
GEMPAK-GDLIST>
The thing to remember is thay when you create you grid file with
gdcfil, you must define the grdarea, projection and kxky that
will cover your grid. Gdedit uses the row and column numbers to
determine where your ascii grid fits withing the gempak file.
The ascii file does not contain any information on the original
projection, and the AREA line is ignored.
If you have any more trouble, please send me the gdinfo header for
your grid file so I can see what your defined region is.
Steve Chiswell
Unidata User Support
>From: Steve Saleeby <address@hidden>
>Organization: .
>Keywords: 199903032003.NAA04148
>
>--49c5_8da-2d6d_f67-1229_ac1
>Content-Type: text/plain; charset=us-ascii
>Content-Transfer-Encoding: 7bit
>Content-MD5: s8pWUJDlWiNRyfdc2vrUag==
>X-Sun-Data-Type: text
>
>I'm having trouble putting an edit file into an already existing grid file.
>I haven't been able to figure out the problem despite trying to follow the
>examples in the tutorial. Could you please show a complete example or take a
>look at the attachment and see what the problem may be. Thanks for your time a
> nd
>help.
> Sincerely, Steve Saleeby
>
> NC STATE UNIVERSITY
>--49c5_8da-2d6d_f67-1229_ac1
>Content-Type: application/octet-stream; name=grid1
>Content-Transfer-Encoding: 7bit
>Content-MD5: OjTkXX6RvsRCaqzhfGassw==
>Content-Description: grid1
>Content-Disposition: attachment; filename=grid1
>
>
>
> Grid file: 1r1m990122.grd
> TIME1 TIME2 LEVL1 LEVL2 VCORD PARM
>990122/1700 0 PRES SALT
> AREA: 29.55;-101.80;36.40;-91.35 GRID SIZE: 25 3
> COLUMNS: 1 25 ROWS: 1 3
>
> Scale factor: 10** 0
>
>
> COLUMN: 1 2 3 4 5 6 7 8
> 9 10 11 12 13 14 15 16
> 17 18 19 20 21 22 23 24
> 25
> ROW 3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0
> 0
> 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0
> 0
> 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0
> 0
> 0.00
> ROW 2 0.24 0.25 0.25 0.16 0.14 0.05 -0.03 -0.1
> 0
> -0.07 -0.08 -0.01 0.01 -0.19 -0.36 -0.30 0.1
> 8
> 0.12 0.02 0.12 0.20 -0.14 -0.35 -0.30 0.2
> 7
> 0.00
> ROW 1 0.26 0.29 0.20 0.19 0.17 0.00 -0.09 -0.1
> 5
> -0.09 -0.11 -0.10 -0.04 -0.22 -0.46 -0.39 -0.0
> 2
> -0.12 -0.08 -0.11 -0.10 -0.18 0.07 0.27 0.4
> 4
> 0.00
>
>--49c5_8da-2d6d_f67-1229_ac1--
>
****************************************************************************
