As part of the SURA COMT project, we converted all unstructured output into
the NetCDF UGRID format[1].
The WCS/WMS/NetcdfSubset services in THREDDS will not work on the UGRID
datasets. DAP and ISO will work just fine.
An option for WMS visualization is to use sci-wms[2].
Hope that helps.
[1] https://github.com/ugrid-conventions/ugrid-conventions
[2] https://github.com/asascience-open/sci-wms
On Wed, Apr 16, 2014 at 12:30 PM, Joe Lee <hyoklee@xxxxxxxxxxxx> wrote:
> Hi, Roy!
>
> Thanks for clarifying the real issue. I'm also interested in the
> "standard" way so that we can improve our hdf4_handler and h4tonccf tool.
>
> So, do you want to write your product in NetCDF UGRID that THREDDS can
> visualize as discussed in [3]?
>
> If so, based on [3], it seems that there's a standard way to write a
> NetCDF UGRID and visualize it [4].
>
> [3]
> https://groups.google.com/forum/#!topic/ugrid-interoperability/9kDNF0Xu43w
> [4]
> http://comt.sura.org/thredds/godiva2/godiva2.html?server=http://comt.sura.org/thredds/wms/data/comt_1_archive/inundation_tropical/MDL_SLOSH/Hurricane_Ike_final_run_egm3
>
>
> -----Original Message-----
> From: Roy Mendelssohn [mailto:roy.mendelssohn@xxxxxxxx]
> Sent: Wednesday, April 16, 2014 11:03 AM
> To: Joe Lee
> Cc: THREDDS community; Kent Yang; Ted Habermann
> Subject: Re: [thredds] Irregular grids
>
> I can write it to netcdf, but that doesn't mean that i have written it in
> some "standard" way, nor that thredds can read it (or thredds say with a
> ugrid extension). That is really my question.
>
> -Roy
>
>
> On Apr 16, 2014, at 8:53 AM, Joe Lee <hyoklee@xxxxxxxxxxxx> wrote:
>
> > Hi, Roy!
> >
> > Have you tried h4tonccf [1] or OPeNDAP Hyrax hdf4_handler [2] on your
> product?
> >
> > May I download and look at your data product so that I can test with
> our tools as well?
> >
> > We'd like to help you if your HDF4 product cannot be converted to or
> served as NetCDF successfully.
> >
> > [1] http://www.hdfeos.org/software/h4cflib.php
> > [2] http://www.hdfeos.org/software/hdf4_handler.php
> >
> >
> > -----Original Message-----
> > From: thredds-bounces@xxxxxxxxxxxxxxxx
> > [mailto:thredds-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Roy Mendelssohn
> > Sent: Wednesday, April 16, 2014 10:43 AM
> > To: THREDDS community
> > Subject: [thredds] Irregular grids
> >
> > Hi All:
> >
> > I am dealing with some L3 binned data, in what I will call the "Seawifs
> format". The data is stored in an HDF file as a VData - basically one long
> array or table if you want. The reason it is done this way is the "grid"
> is irregular, that is each row has a varying number of columns. I can read
> the data fine in python, but I am trying to find out what options I have
> for serving it. Clearly one option is to grid the data at a somewhat
> coarser resolution, and i might do that. But my questions are:
> >
> > 1. Is there a standard way to write this to a netcdf file (I can
> calculate the lat-lon at the center of each bin)?
> >
> > 2. Can such a file be served by thredds, and if so what would it take.
> >
> > 3. If it can be served by thredds, does what gets returned make sense
> to someone not familiar with what is going on (basically we deal with
> unsophisticated users, it must be real clear what is being returned to
> them).
> >
> > Thanks for any help.
> >
> > -Roy M.
> >
> >
> > **********************
> > "The contents of this message do not reflect any position of the U.S.
> Government or NOAA."
> > **********************
> > Roy Mendelssohn
> > Supervisory Operations Research Analyst NOAA/NMFS Environmental
> > Research Division Southwest Fisheries Science Center
> > 1352 Lighthouse Avenue
> > Pacific Grove, CA 93950-2097
> >
> > e-mail: Roy.Mendelssohn@xxxxxxxx (Note new e-mail address)
> > voice: (831)-648-9029
> > fax: (831)-648-8440
> > www: http://www.pfeg.noaa.gov/
> >
> > "Old age and treachery will overcome youth and skill."
> > "From those who have been given much, much will be expected"
> > "the arc of the moral universe is long, but it bends toward justice"
> -MLK Jr.
> >
> > _______________________________________________
> > thredds mailing list
> > thredds@xxxxxxxxxxxxxxxx
> > For list information or to unsubscribe, visit:
> > http://www.unidata.ucar.edu/mailing_lists/
>
> **********************
> "The contents of this message do not reflect any position of the U.S.
> Government or NOAA."
> **********************
> Roy Mendelssohn
> Supervisory Operations Research Analyst
> NOAA/NMFS
> Environmental Research Division
> Southwest Fisheries Science Center
> 1352 Lighthouse Avenue
> Pacific Grove, CA 93950-2097
>
> e-mail: Roy.Mendelssohn@xxxxxxxx (Note new e-mail address)
> voice: (831)-648-9029
> fax: (831)-648-8440
> www: http://www.pfeg.noaa.gov/
>
> "Old age and treachery will overcome youth and skill."
> "From those who have been given much, much will be expected"
> "the arc of the moral universe is long, but it bends toward justice" -MLK
> Jr.
>
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> thredds mailing list
> thredds@xxxxxxxxxxxxxxxx
> For list information or to unsubscribe, visit:
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>
