Re: [thredds] NetCDF Tools UI



Thanks Ethan!


N


On Aug 19, 2010, at 7:20 PM, Ethan Davis wrote:

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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= = =
Nathan Potter                        ndp at opendap.org
OPeNDAP, Inc.                        +1.541.231.3317






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