Re: [thredds] NetCDF Tools UI

• To: thredds@xxxxxxxxxxxxxxxx
• Subject: Re: [thredds] NetCDF Tools UI
• From: Ethan Davis <edavis@xxxxxxxxxxxxxxxx>
• Date: Thu, 19 Aug 2010 17:20:37 -0600

Hi Nathan,

Currently, the netCDF ToolsUI will accept a single argument which must
be a URL to a THREDDS catalog. It opens that catalog in the "THREDDS"
tab. If the URL has a fragment identifier which is a valid dataset ID,
that dataset is selected and displayed in the "THREDDS" tab.

It would be a nice addition to allow a "-dap <dapURL>" argument which
would open the OPeNDAP dataset in the "Viewer" tab. I've added this to
our enhancements list.

Ethan

On 8/3/2010 3:23 PM, Nathan Potter wrote:
> 
> 
> Greetings,
> 
> I have a question about the NetCDF Tools UI. I have been looking at the
> JNLP files that are used to "WebStart" the application and the arguments
> section looks like this:
> 
> /  <application-desc main-class="ucar.nc2.ui.ToolsUI">
>    <argument>{catalog}#{dataset}</argument>
>  </application-desc>
> /
> And a typical URL to invoke it looks like this:
> 
> /http://motherlode.ucar.edu/thredds/view/ToolsUI.jnlp?catalog=http://motherlode.ucar.edu/thredds/catalog/fmrc/NCEP/GFS/Alaska_191km/runs/catalog.xml&dataset=fmrc/NCEP/GFS/Alaska_191km/runs/NCEP-GFS-Alaska_191km_RUN_2010-08-03T12:00:00Z
> <http://motherlode.ucar.edu/thredds/view/ToolsUI.jnlp?catalog=http://motherlode.ucar.edu/thredds/catalog/fmrc/NCEP/GFS/Alaska_191km/runs/catalog.xml&dataset=fmrc/NCEP/GFS/Alaska_191km/runs/NCEP-GFS-Alaska_191km_RUN_2010-08-03T12:00:00Z>
> /
> Which in turn returns a JNLP file with the argument element filled in:
> 
> /  <application-desc main-class="ucar.nc2.ui.ToolsUI">
>    
> <argument>http://motherlode.ucar.edu/thredds/catalog/fmrc/NCEP/GFS/Alaska_191km/runs/catalog.xml#fmrc/NCEP/GFS/Alaska_191km/runs/NCEP-GFS-Alaska_191km_RUN_2010-08-03T12:00:00Z</argument>
>  </application-desc>
> /
> 
> So I would deduce that it wants the catalog URL and the
> thredds:dataset/@ID attribute separated by a "#" sign as it's argument.
> 
> Does it accept different argument schemes? 
> 
> Is there a way to simply pass it a DAP data access URL?
> 
> /http://motherlode.ucar.edu/thredds/dodsC/fmrc/NCEP/GFS/Alaska_191km/runs/NCEP-GFS-Alaska_191km_RUN_2010-08-03T12:00:00Z
> /
> Or even a URL that returns a netcdf file?
> 
> /http://motherlode.ucar.edu/thredds/dodsC/fmrc/NCEP/GFS/Alaska_191km/runs/NCEP-GFS-Alaska_191km_RUN_2010-08-03T12:00:00Z.nc
> /
> (This last example is really a fictitious URL but I hope you can
> appreciate my point)
> 
> 
> Or is it the case that it will only accept a THREDDS catalog and a
> dataset ID as arguments?
> 
> 
> Nathan
> 
> 
> 
> 
> = = =
> Nathan Potter                        ndp at opendap.org
> OPeNDAP, Inc.                        +1.541.231.3317
> 
> 
> 
> 
> 
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• Follow-Ups:
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• References:
  • [thredds] NetCDF Tools UI
    • From: Nathan Potter