NcML aggregation support

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Does the NetCDF java library version 2.1 support NcML aggregations (i.e.
nested <netcdf> tags and <aggregation> tags)?  The NcML web pages
suggest that it is the reference implementation but I can't find any
reference to aggregation in the javadoc.  I've also tried a couple of
test cases which don't appear to work.

If not, does anyone know of an implementation of NcML aggregations,
whether in java or any other language?

Thanks,
Stephen Pascoe

---
Stephen Pascoe  +44 (0) 01235 445980
Climateprediction.net data scientist
Rutherford Appleton Laboratory, CCLRC

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