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Re: [thredds] cannot figure out why WCS won't work with this FMRC

Yes, of course. The lat coordinate is irregular.
its lame that WCS only allows regular spacing. I think thats fixed in WCS 2.1 (?) 

thanks for seeing that, Jonathan!

On 4/19/2012 9:27 AM, Jonathan Wilkins wrote:

Hi,
I think the problem is that latitude values are not regularly spaced as specified 
by http://www.unidata.ucar.edu/projects/THREDDS/tech/reference/WCS.html
I faced the same problem and after regridding my dataset, it was available through WCS. 

Regards

Jonathan Wilkins


Le 11/04/2012 17:07, John Caron a écrit :

Hi John:

Nothing obviously wrong here.
Can you look and see if theres any messages in the logs. Probably it would be in models.log and/or featureCollectionScan.log. You can just send me the whole thing if you want. 

John

On 4/11/2012 5:26 AM, John Maurer wrote:
P.S. To make sure, I checked that my files are CF compliant at http://puma.nerc.ac.uk/cgi-bin/cf-checker.pl and all looks good. After trying several more things, I still cannot see what is wrong. Seems strange that all other services besides WCS would work (including WMS, NCSS, OPeNDAP, ISO, NcML). Perhaps a bug in the FMRC-to-WCS side of things? Though I don't see what's tripping it up since I have other FMRC's whose WCS works fine. Note that some variables are 3-D (surface elevation) while others are 4-D (temperature, salinity, u/v velocities). Anyways, hoping somebody can eventually give this a look. I realize Unidata's swamped with 4.3 right now, so maybe after that sometime... 
Thanks!,
John Maurer
On Thu, Apr 5, 2012 at 12:04 AM, John Maurer <jmaurer@xxxxxxxxxx <mailto:jmaurer@xxxxxxxxxx>> wrote: 

    Hi everyone,
    I'm stumped: any ideas why the following regular gridded FMRC
    dataset produces an empty WCS capabilities document (no
    variables/coverages get listed; ContentMetadata section is
    entirely missing)?:

    
http://oos.soest.hawaii.edu/thredds/catalog/hioos/roms_forec_regridded/hiig/catalog.html

    In particular, I'm looking at the Best Time Series at:

    
http://oos.soest.hawaii.edu/thredds/catalog/hioos/roms_forec_regridded/hiig/catalog.html?dataset=roms_hiig_forecast_regridded/ROMS_Hawaii_Regional_Ocean_Model_Regridded_best.ncd

    Whose WCS URL is this:

    
http://oos.soest.hawaii.edu/thredds/wcs/hioos/roms_forec_regridded/hiig/ROMS_Hawaii_Regional_Ocean_Model_Regridded_best.ncd?service=WCS&version=1.0.0&request=GetCapabilities
    
<http://oos.soest.hawaii.edu/thredds/wcs/hioos/roms_forec_regridded/hiig/ROMS_Hawaii_Regional_Ocean_Model_Regridded_best.ncd?service=WCS&version=1.0.0&request=GetCapabilities>

    The other services all work fine, including OPeNDAP, NCSS, WMS,
    ISO, and NcML.

    Although the original ROMS ocean forecast model was on a
    curvilinear grid (which WCS cannot handle), we've regridded onto
    a regular grid. One positive outcome of this was that I should
    be able to turn on WCS for it now (so that people can download
    GeoTIFFs); however, I'm not having any luck yet. The logs are
    not showing anything useful. threddsServlet.log just shows this:

    2012-04-04T23:19:53.210 -1000 [    847655][     643] INFO  -
    thredds.server.wcs.WCSServlet - Remote host: 128.171.151.240 -
    Request: "GET
    
/thredds/wcs/hioos/roms_forec_regridded/hiig/ROMS_Hawaii_Regional_Ocean_Model_Regridded_best.ncd?service=WCS&version=1.0.0&request=GetCapabilities
    HTTP/1.1"
    2012-04-04T23:19:53.214 -1000 [    847659][     643] INFO  -
    thredds.server.wcs.v1_0_0_1.WcsHandler - Request Completed - 200
    - -1 - 4

    I have other regular gridded FMRC's whose WCS works fine; one
    example (NCOM):

    http://oos.soest.hawaii.edu/thredds/catalog/pacioos/ncom/hawaii/catalog.html
    
http://oos.soest.hawaii.edu/thredds/catalog/pacioos/ncom/hawaii/catalog.html?dataset=ncom_hawaii/NCOM_Hawaii_Regional_Ocean_Model_best.ncd
    
http://oos.soest.hawaii.edu/thredds/wcs/pacioos/ncom/hawaii/NCOM_Hawaii_Regional_Ocean_Model_best.ncd?service=WCS&version=1.0.0&request=GetCapabilities
    
<http://oos.soest.hawaii.edu/thredds/wcs/pacioos/ncom/hawaii/NCOM_Hawaii_Regional_Ocean_Model_best.ncd?service=WCS&version=1.0.0&request=GetCapabilities>

    In case it helps, I've placed my catalog file and one of the
    data files (174 MB) on anonymous FTP:

    ftp ftp.soest.hawaii.edu <http://ftp.soest.hawaii.edu>
    cd jmaurer
    get ocn_mod_hiig.xml
    get hiig_forec_gridded_20120402.nc
    <http://hiig_forec_gridded_20120402.nc>

    Thanks for your help on this!,
    John Maurer
    Pacific Islands Ocean Observing System (PacIOOS)
    University of Hawaii at Manoa




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