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.
>
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**********************
"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.
