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20050507: gdpoint
- Subject: 20050507: gdpoint
- Date: Mon, 09 May 2005 12:19:33 -0600
Clint,
Yes, they should use LLMXTM instead. I have changed it in the source.
Since you looked at the source code, I'm assuming you can rebuild there
(changing the 2 occurences of NTIME to LLMXTM).
Otherwise, since its a stand-alone program, I could send a binary if
necessary? Let me know (OS etc).
Chiz
Steve CHiswell
Unidata User Support
>From: Clint Rowe <address@hidden>
>Organization: UCAR/Unidata
>Keywords: 200505071824.j47IOWP3022469
>Chiz,
>Here's one I don't understand at all. I have a grad student who wants to
>interpolate hourly pressure data to specific points. He has greated a grid
>file using OAGRID that contains gridded data for the first 10 days of 2003.
>
>Here's the output from GDINFo, showing that the gris are there:
>
> GEMPAK-GDINFO>l
> GDFILE = pres011.grd
> LSTALL = YES
> OUTPUT = t
> GDATTIM = 030108/0000-030110/2300
> GLEVEL = all
> GVCORD = all
> GFUNC = all
> GEMPAK-GDINFO>r
>
> GRID FILE: pres011.grd
>
>
> GRID NAVIGATION:
> PROJECTION: CED
> GRID SIZE: 13 9
> LL CORNER: 30.75 -115.50
> UR CORNER: 50.75 -85.50
>
> GRID ANALYSIS BLOCK:
> ANALYSIS TYPE: BARNES
> DELTAN: 2.500
> DELTAX: 2.500
> DELTAY: 2.500
> GRID AREA: 30.75 -115.50 50.75 -85.50
> EXTEND AREA: 5.75 -140.50 75.75 -60.50
> DATA AREA: 36.25 -107.50 47.25 -91.50
>
> Number of grids in file: 235
>
> Maximum number of grids in file: 300
>
> [TG 0] 030108/0000-030110/2300
> NUM TIME1 TIME2 LEVL1 LEVL2 VCORD PARM
> 167 030108/0000 0 NONE PSUR
> 168 030108/0100 0 NONE PSUR
> 169 030108/0200 0 NONE PSUR
> 170 030108/0300 0 NONE PSUR
> 171 030108/0400 0 NONE PSUR
> 172 030108/0500 0 NONE PSUR
> 173 030108/0600 0 NONE PSUR
> 174 030108/0700 0 NONE PSUR
> 175 030108/0800 0 NONE PSUR
> 176 030108/0900 0 NONE PSUR
> 177 030108/1000 0 NONE PSUR
> 178 030108/1400 0 NONE PSUR
> 179 030108/1500 0 NONE PSUR
> 180 030108/1600 0 NONE PSUR
> 181 030108/1700 0 NONE PSUR
> 182 030108/1800 0 NONE PSUR
> 183 030108/1900 0 NONE PSUR
> 184 030108/2000 0 NONE PSUR
> 185 030108/2100 0 NONE PSUR
> 186 030108/2200 0 NONE PSUR
> 187 030108/2300 0 NONE PSUR
> 188 030109/0000 0 NONE PSUR
> 189 030109/0100 0 NONE PSUR
> 190 030109/0200 0 NONE PSUR
> 191 030109/0300 0 NONE PSUR
> 192 030109/0400 0 NONE PSUR
> 193 030109/0500 0 NONE PSUR
> 194 030109/0600 0 NONE PSUR
> 195 030109/0700 0 NONE PSUR
> 196 030109/0800 0 NONE PSUR
> 197 030109/0900 0 NONE PSUR
> 198 030109/1000 0 NONE PSUR
> 199 030109/1100 0 NONE PSUR
> 200 030109/1200 0 NONE PSUR
> 201 030109/1300 0 NONE PSUR
>Enter <CR> to page or type EXIT:
> 202 030109/1400 0 NONE PSUR
> 203 030109/1500 0 NONE PSUR
> 204 030109/1600 0 NONE PSUR
> 205 030109/1700 0 NONE PSUR
> 206 030109/1800 0 NONE PSUR
> 207 030109/1900 0 NONE PSUR
> 208 030109/2000 0 NONE PSUR
> 209 030109/2100 0 NONE PSUR
> 210 030109/2200 0 NONE PSUR
> 211 030109/2300 0 NONE PSUR
> 212 030110/0000 0 NONE PSUR
> 213 030110/0100 0 NONE PSUR
> 214 030110/0200 0 NONE PSUR
> 215 030110/0300 0 NONE PSUR
> 216 030110/0400 0 NONE PSUR
> 217 030110/0500 0 NONE PSUR
> 218 030110/0600 0 NONE PSUR
> 219 030110/0700 0 NONE PSUR
> 220 030110/0800 0 NONE PSUR
> 221 030110/0900 0 NONE PSUR
> 222 030110/1000 0 NONE PSUR
> 223 030110/1100 0 NONE PSUR
> 224 030110/1200 0 NONE PSUR
> 225 030110/1300 0 NONE PSUR
> 226 030110/1400 0 NONE PSUR
> 227 030110/1500 0 NONE PSUR
> 228 030110/1600 0 NONE PSUR
> 229 030110/1700 0 NONE PSUR
> 230 030110/1800 0 NONE PSUR
> 231 030110/1900 0 NONE PSUR
> 232 030110/2000 0 NONE PSUR
> 233 030110/2100 0 NONE PSUR
> 234 030110/2200 0 NONE PSUR
> 235 030110/2300 0 NONE PSUR
> Parameters requested: GDFILE,LSTALL,OUTPUT,GDATTIM,GLEVEL,GVCORD,GFUNC.
> GEMPAK-GDINFO>
>
>Okay, so now he wants to run GDPOINT to interpolate to a specific location.
>Here's what happens:
>
> GEMPAK-GDPOINT>l
> GDATTIM = all
> GDFILE = pres011.grd
> GLEVEL = 0
> GPOINT = 42.04;-101.26
> GVCORD = none
> GFUNC = psur
> SCALE = 0
> GEMPAK-GDPOINT>r
>
>GDFILE: pres011.grd
>GPOINT: 42.04;-101.26
>GVCORD: none
>GLEVEL: 0
>GFUNC : psur
>SCALE : 0
> 030101/0000 : 1018.85553
> 030101/0100 : 1006.86975
> 030101/0200 : 1006.86975
> 030101/0300 : 1007.25256
> 030101/0400 : 1007.47839
> 030101/0500 : 1007.76648
> 030101/0600 : 1008.08942
> 030101/0700 : 1008.45575
> 030101/0800 : 1008.90710
> 030101/0900 : 1009.69568
>
> ... times deleted ...
>
> 030109/0400 : 1014.02100
> 030109/0500 : 1014.35211
> 030109/0600 : 1014.81226
> 030109/0700 : 1015.07819
> 030109/0800 : 1015.49390
> 030109/0900 : 1016.15680
> 030109/1000 : 1016.64581
> 030109/1100 : 1017.22821
> 030109/1200 : 1018.07709
> Parameters requested: GDATTIM,GDFILE,GLEVEL,GPOINT,GVCORD,GFUNC,SCALE.
> GEMPAK-GDPOINT>
>
>The output stops at the 200th time (a suspiciously round number!).
>I can list the data for grids beyond #200, so I know the data are there.
>
> GEMPAK-GDLIST>l
> GDATTIM = last
> GLEVEL = 0
> GVCORD = none
> GFUNC = psur
> GDFILE = pres011.grd
> GAREA = ne
> PROJ = ced
> SCALE = 0
> OUTPUT = t
> GEMPAK-GDLIST>r
>
>
> GDLIST PARAMETERS:
>
> Grid file: pres011.grd
>
> GRID IDENTIFIER:
> TIME1 TIME2 LEVL1 LEVL2 VCORD PARM
>030110/2300 0 NONE PSUR
>
> GAREA: ne
> SCALE FACTOR : 10** 0
> OUTPUT: TERM/
>
> MINIMUM AND MAXIMUM VALUES 1020.96 1024.86
>Enter <cr> to accept parameters or type EXIT:
>
>
> Grid file: pres011.grd
> GRID IDENTIFIER:
> TIME1 TIME2 LEVL1 LEVL2 VCORD PARM
>030110/2300 0 NONE PSUR
> AREA: ne GRID SIZE: 13
> 9
> COLUMNS: 4 11 ROWS: 3 8
>
> Scale factor: 10** 0
>
>
> COLUMN: 4 5 6 7 8 9 10 11
>
> ROW 8 1020.96 1021.15 1021.46 1022.10 1023.13 1023.81 1024.17 1024.
> 39
>
> ROW 7 1021.04 1021.26 1021.65 1022.49 1023.49 1024.03 1024.32 1024.
> 50
>
> ROW 6 1021.15 1021.42 1021.95 1022.97 1023.79 1024.22 1024.46 1024.
> 61
>
> ROW 5 1021.30 1021.68 1022.35 1023.25 1023.95 1024.36 1024.60 1024.
> 73
>
> ROW 4 1021.49 1021.89 1022.47 1023.22 1023.93 1024.39 1024.67 1024.
> 83
>
> ROW 3 1021.60 1021.94 1022.43 1023.10 1023.81 1024.33 1024.66 1024.
> 86
>
> Parameters requested: GDATTIM,GLEVEL,GVCORD,GFUNC,GDFILE,GAREA,PROJ,SCALE,
> OUTPUT.
> GEMPAK-GDLIST>
>
>In GDPOINT, NTIME is set to 200 -- should that be set to LLMXTM or something?
>
>Thanks,
>Clint
>
>====================================================================
>Clinton M. Rowe
>Associate Professor
>Meteorology/Climatology Program phone:(402)472-1946
>Department of Geosciences fax:(402)472-4917
>University of Nebraska-Lincoln address@hidden
>
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