Re: woce.ncml

Roland Schweitzer wrote:
> Hi,
>
> Thanks John.
>
> It may sound like sour grapes at this point, but I've always thought the 
> values element should look like:
>
> <values>
>   <value>4602</value>
>   <value>4607</value>
> </values>

yeah, at least that would be a good alternative.

you can use "," but you have to specify the seperator="," attribute

> or maybe
>
> <values>
>   <v>4602</v>
>   <v>4607</v>
> </values>
>
> I ran into this once before when I tried something like:
> <values>
> 1 2 3
> 4 5 6
> 7 8 9
> </values>

that should have worked, did it not work?

> What I'm proposing is a bit of pain to type, but less ambiguous to parse.
>
> Second question/issue.  I changed the ncml, but the change didn't show 
> up in TDS until I cleared the cache.  Is that the expected behavior?

i would have said you needed to reinit the catalog. is the ncml in the cactalog?

> Thanks again for doing my debugging for me.  Glad it resulted in a 
> couple of fixes to the convention parsing to make it worth your while.

like killing 3 flies in one mighty swing

> Good to see you last week.

likewise, hope to see you again soon.


> Cheers,
> Roland
>
> John Caron wrote:
>
> > Roland Schweitzer wrote:
> >
> > > <?xml version="1.0" encoding="UTF-8"?>
> > > <netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2";>
> > >   <variable name="ntime">
> > >     <attribute name="units" value="days since 1990-01-01 00:00:00"/>
> > >     <attribute name="_CoordinateAxisType" value="Time" />
> > >     <values>4602,4607</values>
> > >   </variable>
> > >   <aggregation dimName="ntime" type="joinNew">
> > >    <variableAgg name="sea_level"/>
> > >    <netcdf 
> > > location="http://dods.jpl.nasa.gov/dods-bin/nph-nc/pub/data_collections/woce_v3/topex/data/10_deg/ssh10d20020808.nc.gz"/> 
> > >
> > >    <netcdf 
> > > location="http://dods.jpl.nasa.gov/dods-bin/nph-nc/pub/data_collections/woce_v3/topex/data/10_deg/ssh10d20020813.nc.gz"/> 
> > >
> > >   </aggregation>
> > > </netcdf>
> >
> >
> > this should work:
> >
> > <?xml version="1.0" encoding="UTF-8"?>
> > <netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2";>
> >
> >  <variable name="ntime" type="int" shape="ntime">
> >    <attribute name="units" value="days since 1990-01-01 00:00:00"/>
> >    <attribute name="_CoordinateAxisType" value="Time" />
> >    <values>4602 4607</values>
> >  </variable>
> >
> >  <aggregation dimName="ntime" type="joinNew">
> >   <variableAgg name="sea_level"/>
> >   <netcdf 
> > location="http://dods.jpl.nasa.gov/dods-bin/nph-nc/pub/data_collections/woce_v3/topex/data/10_deg/ssh10d20020808.nc.gz"/> 
> >
> >   <netcdf 
> > location="http://dods.jpl.nasa.gov/dods-bin/nph-nc/pub/data_collections/woce_v3/topex/data/10_deg/ssh10d20020813.nc.gz"/> 
> >
> >  </aggregation>
> >
> > </netcdf>
> > your main problem was using a "," in <values>, which was silently 
> > failing. also you need to specify type="int". I also discovered 2(!) 
> > more bugs in the convention parser, which you probably wont see.