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Roy & Dave,
I'm sure that John Caron will comment ono what changed, but doesn't
stuff in time aggregations need to understand time? So one way to
fix it would be to add:
<dimension name="ocean_time" orgName="time"/>
to your aggregation to rename your dimension "time" => "ocean_time".
So for example your aggregation would look like:
<aggregation dimName="ocean_time" type="joinExisting">
<dimension name="ocean_time" orgName="time"/>
<scan
location="/home/om/dods-data/thredds/roms/eac/102/avg/"
suffix=".nc" />
</aggregation>
-Rich
On Fri, Oct 16, 2009 at 10:47 AM, Roy Mendelssohn
<Roy.Mendelssohn@xxxxxxxx> wrote:
> Thought this might be a better place to field this question.
>
> -Roy
>
> Begin forwarded message:
>
>> From: Davie Robertson <rjdave@xxxxxxxxx>
>> Date: October 16, 2009 6:25:26 AM PDT
>> To: IOOS Model Data Interoperability Working Group
>> <ioos_model_data_interop@xxxxxxxxxxxxxxxx>
>> Subject: working aggregation breaks with upgrade to TDS 4.X
>> Reply-To: ioos_model_data_interop@xxxxxxxxxxxxxxxx
>>
>>
>> Hi all,
>>
>> I want to upgrade my TDS to 4.1 so I can serve compressed netcdf 4
>> files. I have tested it and it works great! However the upgrade to 4.1
>> breaks a couple of my aggregated datasets. The problem occurs when my
>> aggregating variable and it's dimension have different names. For
>> example my working dataset uses ocean_time(ocean_time) but the broken
>> ones use ocean_time(time). 3.17 works fine for either case but 4.1
>> (and probably 4.0) crap out with:
>>
>> Error {
>> code = 500;
>> message = "AggregationExisting: no coordinate variable for agg
>> dimension=time";
>> };
>>
>> The relevant section of my catalog is:
>>
>> <dataset name="Averages"
>> ID="eac_301_averages"
>> urlPath="roms/eac/301/avg" >
>>
>> <netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/
>> ncml-2.2">
>> <aggregation dimName="ocean_time" type="joinExisting">
>> <scan
>> location="/home/om/dods-data/thredds/roms/eac/301/avg/"
>> suffix=".nc" />
>> </aggregation>
>> </netcdf>
>> </dataset>
>>
>> Any ideas? The earlier runs with ocean_time(ocean_time) are fine on
>> 4.1 and 3.17.
>>
>> Thanks,
>> David Robertson
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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
>
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