Why sdfopen cant open in Grads 1.9b4

[Arjun]

Hai All,

  I have tried using Grads 1.9b4. I could not open netCDF file
using sdfopen command. Any solution for this?

Thanks

Mallikarjun



On Thu, 9 Jun 2005, Thomas LOUBRIEU wrote:

> Hello,
>
> I am now testing the new version of gds and grads with my netcdf files
> and I have some problems.
>
> I got various errors depending on my dods request :
> I cannot really find out why some request fail and other work.
> The gds.log shows :
>
> Jun 09 09:11:07 error: [ http8080-Processor4 br144-162 GET
> /coriolis-atlantic-temperature-weekly-oa_v3_rt.dods?temperature[241:1:241][6:1:6][259:1:425][150:1:267]
> ]  io error during data send: class java.io.IOException: ran out of
> input while spooling 78824 bytes
>
> or
>
> Jun 09 10:02:00 error: [ http8080-Processor3 br144-162 GET
> /coriolis-atlantic-temperature-weekly-oa_v3_rt.asc?temperature[241:1:241][6:1:6][259:1:425][151:1:267]
> ]  io error during data send: class java.io.EOFException: null
>
> while, this one works :
>
> Jun 09 09:59:49 [ http8080-Processor2 br144-162 GET
> /coriolis-atlantic-temperature-weekly-oa_v3_rt.dods?temperature[241:1:241][6:1:6][259:1:400][100:1:300]
> ] FINISHED (success in 114ms)
>
> Unfortunatly, my test server is not public.
>
> I uses :
> grads-1.9b4
> gds-1.3
> java version "1.4.2"
> Tomcat/4.1.30
> on linux red hat  9
>
> The gds.xml file contains :
>
>    <dataset name = "coriolis-atlantic-temperature-weekly-oa_v3_rt"
>
>       file="/home/tloubrie/dods/dodsG/OA_V302/coriolis-atlantic-temperature-weekly-oa_v3_rt.ctl"
>
>       format="nc">
>
>     </dataset>
>
>
> I have configured my dataset that way (ctl file) :
>
> DSET
> /home/coriolis_exp/spool/co04/co0401/co040102/oa/field/TEMP/OA_%y4%m2%d2.nc
>
> DTYPE netcdf
>
> TITLE CORIOLIS Analysed temperature
>
> UNDEF 32767
>
> UNPACK scale_factor add_offset
>
> OPTIONS template
>
> XDEF 421 LEVELS
>
> -100 -99.66666 -99.33334 -99 -98.66666 -98.33334 -98
>
>   -97.66666 -97.33334 -97 -96.66666 -96.33334 -96 -95.66666
>
>   -95.33334 -95 -94.66666 -94.33334 -94 -93.66666 -93.33334 -93
>
>   -92.66666 -92.33334 -92 -91.66666 -91.33334 -91 -90.66666
>
>   -90.33334 -90 -89.66666 -89.33334 -89 -88.66666 -88.33334 -88
>
> ....
>
> 36.33333 36.66667 37 37.33333 37.66667 38 38.33333 38.66667 39
>
>   39.33333 39.66667 40
>
> YDEF 597 LEVELS
>
> -69.96624 -69.85174 -69.7366 -69.62084 -69.50445 -69.38742
>
>   -69.26975 -69.15144 -69.03249 -68.91288 -68.79263 -68.67171
>
> ...
>
>  68.42793 68.55015 68.67171 68.79263 68.91288 69.03249 69.15144
>
>   69.26975 69.38742 69.50445 69.62084 69.7366 69.85174 69.96624
>
> ZDEF 59 LEVELS
>
> 5 10 20 30 40 50 60 80 100 120 140 160 180 200 220
>
>   240 260 280 300 320 360 400 440 480 520 560 600 640 680
>
>   720 760 800 840 880 920 960 1000 1040 1080 1120 1160 1200
>
>   1240 1280 1320 1360 1400 1440 1480 1520 1560 1600 1650 1700
>
>   1750 1800 1850 1900 1950
>
> TDEF 255 LINEAR 05jan2000 7dy
>
> VARS 2
>
> temperature 59 t,z,x,y sea temperature
>
> pct_variance 59 t,z,x,y variance a priori
>
> ENDVARS
>
>
>
>
> And the ncdump -h output for one of my netcdf file is :
>
> netcdf OA_20040317 {
>
> dimensions:
>
>       time = 1 ;
>
>       depth = 59 ;
>
>       latitude = 597 ;
>
>       longitude = 421 ;
>
> variables:
>
>       float time(time) ;
>
>               time:units = "days since 1950-01-01 00:00:00" ;
>
>       float latitude(latitude) ;
>
>               latitude:units = "degree_north" ;
>
>               latitude:valid_min = -90.f ;
>
>               latitude:valid_max = 90.f ;
>
>       float longitude(longitude) ;
>
>               longitude:units = "degree_east" ;
>
>               longitude:valid_min = -180.f ;
>
>               longitude:valid_max = 180.f ;
>
>       short depth(depth) ;
>
>               depth:units = "m" ;
>
>               depth:positive = "down" ;
>
>               depth:valid_min = 0s ;
>
>               depth:valid_max = 2000s ;
>
>       short temperature(time, depth, latitude, longitude) ;
>
>               temperature:long_name = "Temperature" ;
>
>               temperature:missing_value = 32767s ;
>
>               temperature:_FillValue = 32767s ;
>
>               temperature:units = "degree_Celsius" ;
>
>               temperature:valid_min = -3s ;
>
>               temperature:valid_max = 40s ;
>
>               temperature:add_offset = 20. ;
>
>               temperature:scale_factor = 0.001 ;
>
>               temperature:comment = "Temperature estimate (by objective
> analysis)" ;
>
>       short pct_variance(time, depth, latitude, longitude) ;
>
>               pct_variance:long_name = "Estimate variance / a priori
> variance (percent)" ;
>
>               pct_variance:missing_value = 32767s ;
>
>               pct_variance:_FillValue = 32767s ;
>
>               pct_variance:units = "percent" ;
>
>               pct_variance:valid_min = 0s ;
>
>               pct_variance:valid_max = 100s ;
>
>               pct_variance:scale_factor = 0.01 ;
>
>
>
> // global attributes:
>
>               :CONVENTIONS = "COARDS" ;
>
>               :producer_agengy = "IFREMER" ;
>
>               :project_name = "CORIOLIS" ;
>
>               :creation_time = "14-Jan-2005 19:19:52" ;
>
>               :software_version = "OA_V3.02" ;
>
>               :product_version = "OA3_02" ;
>
>               :data_set = "STD3_02" ;
>
>               :data_manager = "Emmanuelle Autret, Thomas Loubrieu" ;
>
>               :estimate_date = "17-Mar-2004" ;
>
>               :south_latitude = "-70" ;
>
>               :north_latitude = "70" ;
>
>               :west_longitude = "-100" ;
>
>               :east_longitude = "40" ;
>
> }
>
>
>
> Does anyone knows what happens ?
>
> Thanks,
>
> Thomas
>

--
Mallikarjuna.K
J.R.F
Centre for Atmospheric and Oceanic Sciences
Indian Institute of Science
Bangalore - 560 012