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Re: [thredds] datasetFmrc question

Hi Mike,
Sorry about the documentation. I'll try to get that fixed up and make our catalogs part of the documentation in some way. In the mean time, below is a snippet from our NCEP model data catalog. 

Hope that helps,

Ethan

<?xml version="1.0" encoding="UTF-8"?>
<catalog xmlns="http://www.unidata.ucar.edu/namespaces/thredds/InvCatalog/v1.0"; 
xmlns:xlink="http://www.w3.org/1999/xlink"; name="Unidata THREDDS Data Server" 
version="1.0.1">

 <service name="latest" serviceType="Resolver" base=""/>

 <service name="fileServices" serviceType="Compound" base="">
   <service name="ncdods" serviceType="OPENDAP" base="/thredds/dodsC/"/>
   <service name="HTTPServer" serviceType="HTTPServer" 
base="/thredds/fileServer/"/>
   <service name="wcs" serviceType="WCS" base="/thredds/wcs/"/>
   <service name="ncss" serviceType="NetcdfSubset" base="/thredds/ncss/grid/" />
 </service>

 <service name="fmrcServices" serviceType="Compound" base="">
   <service name="ncdods" serviceType="OPENDAP" base="/thredds/dodsC/" />
   <service name="wcs" serviceType="WCS" base="/thredds/wcs/" />
   <service name="ncss" serviceType="NetcdfSubset" base="/thredds/ncss/grid/" />
 </service>

 <dataset name="NCEP Model Data">

   <metadata inherited="true">

     <serviceName>fmrcServices</serviceName>
     <authority>edu.ucar.unidata</authority>
     <dataType>Grid</dataType>
     <dataFormat>GRIB-1</dataFormat>
     <documentation xlink:href="http://www.emc.ncep.noaa.gov/modelinfo/index.html"; 
xlink:title="NCEP Model documentation" />
     <documentation type="rights">Freely available</documentation>

     <documentation type="processing_level">Transmitted through Unidata Internet Data 
Distribution.</documentation>
     <documentation type="processing_level">Read by CDM Forecast Model Run 
Collection.</documentation>
     <creator>
       <name vocabulary="DIF">DOC/NOAA/NWS/NCEP</name>
       <contact url="http://www.ncep.noaa.gov/"; 
email="http://www.ncep.noaa.gov/mail_liaison.shtml"; />
     </creator>
     <publisher>

       <name vocabulary="DIF">UCAR/UNIDATA</name>
       <contact url="http://www.unidata.ucar.edu/"; 
email="support@xxxxxxxxxxxxxxxx" />
     </publisher>
     <creator>
<name vocabulary="ADN">National Oceanic and Atmospheric Administration (NOAA)/National Weather Service (NWS) National Center for Environmental Prediction (NCEP)</name> <contact url="http://www.ncep.noaa.gov/"; email="http://www.ncep.noaa.gov/mail_liaison.shtml"; /> 
     </creator>
     <publisher>

       <name vocabulary="ADN">University Corporation for Atmospheric Research 
(UCAR)/Unidata</name>
       <contact url="http://www.unidata.ucar.edu/"; 
email="support@xxxxxxxxxxxxxxxx" />
     </publisher>
     <timeCoverage>
       <end>present</end>
       <duration>7 days</duration>
     </timeCoverage>

   </metadata>

   <dataset name="Global Forecast System (GFS) Model">
     <metadata inherited="true">
       <documentation type="summary">NCEP Global Forecast System Model, previously 
called AVN/MRF (Medium Range Forecast)</documentation>
       <documentation xlink:href="http://meted.ucar.edu/nwp/pcu2/avintro.htm"; 
xlink:title="COMET MetEd (Meteorology Education and Training) documentation" />
       <documentation 
xlink:href="http://www.emc.ncep.noaa.gov/gmb/STATS/html/model_changes.html"; 
xlink:title="NCEP Model Notes" />
     </metadata>

     <datasetFmrc name="NCEP-GFS-Alaska_191km" collectionType="ForecastModelRuns" 
harvest="true" path="fmrc/NCEP/GFS/Alaska_191km">
       <metadata inherited="true">
         <documentation type="summary">NCEP GFS Model : AWIPS 203 (J) Grid. 
National - Alaska (polar stereographic).
           Model runs are made at 0, 6, 12, and 18Z, with analysis and 
forecasts every 6 hours out 5 days.
           Horizontal = 45 by 39 points, resolution 190.5 km, Polar 
Stereographic projection.
           Vertical = 1000 to 100 hPa mandatory pressure levels (10 levels); 
surface, height above ground, pressure layers.
         </documentation>
       </metadata>

       <netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2"; >
         <aggregation dimName="run" type="forecastModelRunCollection" 
fmrcDefinition="NCEP-GFS-Alaska_191km.fmrcDefinition.xml" recheckEvery="15 min">
           <scan location="/data/ldm/pub/native/grid/NCEP/GFS/Alaska_191km/" suffix=".grib1" 
dateFormatMark="GFS_Alaska_191km_#yyyyMMdd_HHmm" subdirs="true" olderThan="5 min"/>
         </aggregation>

       </netcdf>
       <fmrcInventory location="/data/ldm/pub/native/grid/NCEP/GFS/Alaska_191km/" 
suffix=".grib1" fmrcDefinition="NCEP-GFS-Alaska_191km.fmrcDefinition.xml" />
    </datasetFmrc>
    ...
  </dataset>
  ..
</catalog>



Godin, Michael wrote:
I see that the motherlode server in fact has opendap (and NetcdfSubset) servers behind it's forecast model run views... So is there any chance the server-side catalog.xml files from motherlode can be made public? I've been experimenting with catalog.xml versions for a few days, and simply can not get datasetFmrc to work correctly (neither can I get NetcdfSubset to give anything but a 404 error). In light of the observation that the examples in the documentation on the Thredds web site tend to leave out important details, making them almost impossible to use as templates, it would be incredibly useful to see examples of actual production xml. 
I imagine there's a large number of potential thredds administrators who simply 
get turned off because it's so hard to get a first implementation working, so 
sharing production xml could go a long way towards promulgating thredds.

Regards,
Mike

Seems I've had had an extra bowl of Grumpy-Os this morning.

-----Original Message-----
From: thredds-bounces@xxxxxxxxxxxxxxxx 
[mailto:thredds-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Godin, Michael
Sent: Tuesday, May 13, 2008 4:42 PM
To: thredds@xxxxxxxxxxxxxxxx
Subject: [thredds] datasetFmrc question

When I create a forecastModelRunCollection type aggregation, and put it in a 
datasetFmrc TDS element, I get the collections of dataset views as suggested in 
the TDS documentation, such as:

- Forecast Model Run Collection (2D time coordinates)
- Best Time Series
- [folder] Forecast Model Run/
- [folder] Constant Forecast Offset/
- [folder] Constant Forecast Date/

All the views appear as one would expect.  However, the only dataset view with a OPENDAP 
server behind it is the "Forecast Model Run Collection (2D time coordinates)".  
Is this what I should expect, or should the other views also provide OPENDAP servers?

Thanks, Mike

_____________________________________________
Michael A. Godin
Software Engineer
Monterey Bay Aquarium Research Institute
Phone: 831-775-2063  http://www.mbari.org

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--
Ethan R. Davis                                Telephone: (303) 497-8155
Software Engineer                             Fax:       (303) 497-8690
UCAR Unidata Program Center                   E-mail:    edavis@xxxxxxxx
P.O. Box 3000
Boulder, CO  80307-3000                       http://www.unidata.ucar.edu/
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