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Re: XML Coordinates list (fwd)

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  • Subject: Re: XML Coordinates list (fwd)
  • Date: Thu, 21 Sep 2006 10:24:08 -0600 (MDT)

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Robb Kambic                                Unidata Program Center
Software Engineer III                      Univ. Corp for Atmospheric Research
address@hidden             WWW: http://www.unidata.ucar.edu/
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---------- Forwarded message ----------
Date: Tue, 19 Sep 2006 17:24:55 -0600
From: John Caron <address@hidden>
To: Ethan Davis <address@hidden>
Subject: Re: XML Coordinates list

theres a few bugs in the documentation, but this should work to dump 
coordinates:

  java -classpath toolsUI.jar ucar.nc2.NCdump <filename> -ncml -c

use the toolsUI jar, since it has everything you need in it.

Ethan Davis wrote:
> Hi Stephen,
>
> Stephen Sinnis wrote:
>
>> If I use the NcML tab in JAVA NetCDF (2.2) Tools and turn Coordinates
>> ON, I
>> can get an XML dump describing the 80km CONUS NAM, (as described below).
>> Is there a command line equivalent of this?
>>
>
>
> The NcML web page (http://www.unidata.ucar.edu/software/netcdf/ncml/)
> describes a number of ways to dump the NcML for a dataset: 1) Tools UI,
> 2) using the netCDF-Java API, 3) netCDF-Java NcDump, and 4) netCDF C
> library ncdump, version 3.6.1 or later. I would guess that the
> Coordinates ON option is not supported by the last option. Also, not
> sure how to specify the Coordinates info in option 3.
>
>> How should I include this information for use in an enhanced catalog?
>>
>
>
> Do you mean how should it be encoded in an enhanced catalog? Or what is
> the best way to get this information into an enhanced catalog?
>
> Also, is it the variable information you want to include in an enhanced
> catalog or the coordinate information?
>
> Thanks,
>
> Ethan
>
>> Stephen Sinnis
>> Pelmorex Media Inc
>>
>
>
>> DETAILS:
>>   <variable name="x" shape="x" type="double">
>>     <attribute name="units" type="String" value="km" />
>>     <attribute name="long_name" type="String" value="synthesized X
>> coord" />
>>     <attribute name="_CoordinateAxisType" type="String" value="GeoX" />
>>     <values start="-4226.106971141345" increment="81.27099999999973"
>> npts="93" />
>>   </variable>
>>   <variable name="y" shape="y" type="double">
>>     <attribute name="units" type="String" value="km" />
>>     <attribute name="long_name" type="String" value="synthesized Y
>> coord" />
>>     <attribute name="_CoordinateAxisType" type="String" value="GeoY" />
>>     <values start="-832.6983183345455" increment="81.27099999999996"
>> npts="65" />
>>   </variable>
>>   <variable name="Projection" type="char">
>>     <attribute name="Projection_Name" type="String"
>> value="lambert_conformal_conic" />
>>     <attribute name="latitude_of_projection_origin" type="double"
>> value="25.0" />
>>     <attribute name="longitude_of_central_meridian" type="double"
>> value="-95.0" />
>>     <attribute name="standard_parallel" type="double" value="25.0" />
>>     <attribute name="_CoordinateTransformType" type="String"
>> value="Projection" />
>>     <attribute name="_CoordinateAxes" type="String" value="x y" />
>>     <values />
>>   </variable>
>>
>> I have installed:
>>
>> Linux 2.6.17-1.2157_FC5
>> TOMCAT 5.17 JDK1.5.0_07
>> THREDDS-3.12
>> toolsUI-2.2.16
>>
>> I am feeding NOAAPORT HDS|NGRID data to GEMPAK 5.9.1 gribtonc:
>>
>> #
>> # ETA grid on Lambert conformal CONUS grid
>> HDS     ^Y.Q... KWB. (..)(..).*/m(ETA|NAM)
>>         PIPE    decoders/gribtonc -l logs/gribtonc_nam.log
>>         etc/eta_211.cdl
>>
>> data/pub/decoded/netcdf/grid/NCEP/NAM/CONUS_80km/NAM_CONUS_80km_(\1:yyyy)(\1
>>
>> :mm)\1_\200.nc
>> #
>>
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>>
>
>

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