[gradsusr] xdfopen netcdf

[Matias Mendez]

Remove  minus sign at -2.5

Good luck


2013/6/1 Qian, JianHua <JianHua_Qian at uml.edu>

>  Jennifer,
>
>  I used "open", but still have problem:
>
>  ga-> open uwnd_3d_day_79_08.ctl
> Scanning description file:  uwnd_3d_day_79_08.ctl
> Open Error:  Missing or invalid dimension increment value
>   --> The invalid description file record is:
>   --> ydef   73 linear 90.0 -2.5
>   The data file was not opened.
>
>  Thanks!
> Joshua
>
>   From: Jennifer Adams <jma at cola.iges.org>
>
> Reply-To: GrADS Users Forum <gradsusr at gradsusr.org>
> Date: Fri, 31 May 2013 07:35:39 -0400
>
> To: GrADS Users Forum <gradsusr at gradsusr.org>
> Subject: Re: [gradsusr] xdfopen netcdf
>
>   You have written a full descriptor file, so use 'open' instead of
> 'xdfopen'. --Jennifer
>
>  On May 31, 2013, at 7:05 AM, Qian, JianHua wrote:
>
>  Hui and Grads Users, thanks!
> But after I added "options template", I still got the same error message:
>
>  ga-> *xdfopen uwnd_3d_day_79_08.ctl*
> Scanning Descriptor File:  uwnd_3d_day_79_08.ctl
> gadxdf error: Missing or invalid dimension size.
>   --> The invalid description file record is:
>   --> xdef  144 linear 0.0 2.5
>   The data file was not opened.
>
>  Now *my ctl file* is as follows:
>
>  dset ^uwnd.%y4.nc
> dtype netcdf
> title 3-D NCEP-DOE uwnd 1jan1979 to 31dec2008
> options template
> undef  -1.e+34
> xdef  144 linear 0.0 2.5
> ydef   73 linear 90.0 -2.5
> zdef 17 levels 1000 925 850 700 600 500 400 300 250 200 150 100 70 50 30
> 20 10
> tdef  10958 linear 00z01jan1979  24hr
> vars 1
> uwnd      17   t,z,y,x    m/s
> Endvars
>
>  I do not know what is wrong with my grads descriptor file.
>
>  Thanks!
> Joshua
>
>   From: Hui Wang - NOAA Affiliate <hui.wang at noaa.gov>
> Reply-To: GrADS Users Forum <gradsusr at gradsusr.org>
> Date: Thu, 30 May 2013 23:44:24 -0400
> To: GrADS Users Forum <gradsusr at gradsusr.org>
> Subject: Re: [gradsusr] xdfopen netcdf
>
>  Hi Joshua,
>
>  I think you need to add "options template" in the ctl file.
>
>  Good luck,
> Hui
>
>
>
>
> On Thu, May 30, 2013 at 10:32 PM, Qian, JianHua <JianHua_Qian at uml.edu>wrote:
>
>>  Grads Users,
>>
>>  I got the following message when doing
>> xdfopen uwnd_3d_day_79_08.ctl
>>
>>  ga-> xdfopen uwnd_3d_day_79_08.ctl
>> Scanning Descriptor File:  uwnd_3d_day_79_08.ctl
>> gadxdf error: Missing or invalid dimension size.
>>   --> The invalid description file record is:
>>   --> xdef  144 linear 0.0 2.5
>>   The data file was not opened.
>>
>>  The descriptor file uwnd_3d_day_79_08.ctl   is copied below:
>>
>>  dset ^uwnd.%y4.nc
>> dtype netcdf
>> title 3-D NCEP-DOE uwnd 1jan1979 to 31dec2008
>> undef  -1.e+34
>> xdef  144 linear 0.0 2.5
>> ydef   73 linear 90.0 -2.5
>> zdef 17 levels 1000 925 850 700 600 500 400 300 250 200 150 100 70 50 30
>> 20 10
>> tdef  10958 linear 00z01jan1979  24hr
>> vars 1
>> uwnd      17   t,z,y,x    m/s
>> Endvars
>>
>>  The data files are in the current directory:
>> uwnd.1979.nc
>> uwnd.1980.nc
>> …
>> When I do ncdump uwnd.1979.nc , I got:
>>  netcdf uwnd.1979 {
>> dimensions:
>> lon = 144 ;
>> lat = 73 ;
>> level = 17 ;
>> time = UNLIMITED ; // (365 currently)
>> nbnds = 2 ;
>> variables:
>> float level(level) ;
>> level:units = "millibar" ;
>> level:actual_range = 1000.f, 10.f ;
>> level:long_name = "Level" ;
>> level:positive = "down" ;
>> level:GRIB_id = 100s ;
>> level:GRIB_name = "hPa" ;
>> level:axis = "z" ;
>> level:coordinate_defines = "point" ;
>> float lat(lat) ;
>> lat:units = "degrees_north" ;
>> lat:actual_range = 90.f, -90.f ;
>> lat:long_name = "Latitude" ;
>> lat:standard_name = "latitude_north" ;
>> lat:axis = "y" ;
>> lat:coordinate_defines = "point" ;
>> float lon(lon) ;
>> lon:units = "degrees_east" ;
>> lon:long_name = "Longitude" ;
>> lon:actual_range = 0.f, 357.5f ;
>> lon:standard_name = "longitude_east" ;
>> lon:axis = "x" ;
>> lon:coordinate_defines = "point" ;
>> double time(time) ;
>> time:units = "hours since 1800-1-1 00:00:0.0" ;
>> time:long_name = "Time" ;
>> time:actual_range = 1569072., 1577808. ;
>> time:delta_t = "0000-00-01 00:00:00" ;
>> time:standard_name = "time" ;
>> time:axis = "t" ;
>> time:coordinate_defines = "start" ;
>> time:avg_period = "0000-00-01 00:00:00" ;
>>  …
>> Could someone give me a clue?
>>
>>  Thanks!
>> Joshua
>>
>> _______________________________________________
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>> gradsusr at gradsusr.org
>> http://gradsusr.org/mailman/listinfo/gradsusr
>>
>>
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>  --
> Jennifer M. Adams
> IGES/COLA
> 4041 Powder Mill Road, Suite 302
> Calverton, MD 20705
> jma at cola.iges.org
>
>
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