Dear Yolanda,
From the ncml doc you can read
http://www.unidata.ucar.edu/software/netcdf/ncml/v2.2/AnnotatedSchema4.html
The /forecastModelRunCollection, forecastModelRunSingleCollection,
joinExisting /and/joinNew/ aggregation types are called */outer
aggregations/* because they work on the outer (first) dimension.
Therefore, looking at your data you can aggregate using the time (outer)
dimension but not the lon (inner)dimension.
For the tiled aggregation, I don't have an answer .... yet.
Regards
Antonio
--
Antonio S. Cofiño
Grupo de Meteorología de Santander
Dep. de Matemática Aplicada y
Ciencias de la Computación
Universidad de Cantabria
Escuela de Caminos
Avenida de los Castros, 44
39005 Santander, Spain
Tel: (+34) 942 20 1731
Fax: (+34) 942 20 1703
http://www.meteo.unican.es
mailto:antonio.cofino@xxxxxxxxx
El 04/04/2012 10:30, Yolanda Sagarminaga escribió:
Hello,
I have a problem with aggregation by longitude dimension of two netcdf files:
The first one ranges from -35 to 0 (originally from 350 to 360, but I changed
it) and the second one from 0 to 25
The HTML Access to files and aggregations is in:
http://oceandata.azti.es:8080/thredds/MONTHLY_SEAWIFS_9km.html
My aggregation ncml code is below, I already did an joinexisting aggregation by
latitude with other datasets with success, but I cannot make it work this one:
I don't know if the error comes from longitude units, from files or from
aggregation. Someone could help me?
<dataset name="JOINEXISTING AGGREGATION" ID="Agg2.nc" urlPath="Agg2.nc">
<serviceName>allServices</serviceName>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2";>
<aggregation dimName="lon" type="joinExisting">
<netcdf
location="file:/media/HIST_DATA/SEAWIFS_MONTHLY_9km_BB/monthly_E.nc" />
<netcdf
location="file:/media/HIST_DATA/SEAWIFS_MONTHLY_9km_BB/monthly_Wx.nc" />
<!--<scan location="/media/HIST_DATA/SEAWIFS_MONTHLY_9km_BB/" suffix=".nc"
subdirs="false"/>-->
</aggregation>
</netcdf>
</dataset>
In case of I also tried the tiled aggregation without success....
<dataset name="TILED AGGREGATION" ID="Agg.nc" urlPath="Agg.nc">
<serviceName>allServices</serviceName>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2";>
<aggregation dimName="lon" type="tiled">
<netcdf
location="file:/media/HIST_DATA/SEAWIFS_MONTHLY_9km_BB/monthly_E.nc" />
<netcdf
location="file:/media/HIST_DATA/SEAWIFS_MONTHLY_9km_BB/monthly_Wx.nc" />
</aggregation>
</netcdf>
</dataset>
Yolanda Sagarminaga Investigador Principal Principal Investigator
Área y Unidad de investigación
Area and Research Division
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