Greetings Jesper!
Currently, the TDS does not support requests that span the edges of an
array, which often lines up with the zero meridian for global datasets.
However, in TDS version 5 (currently in beta), the underlying issues within
the netCDF-Java library that prevented this in the past no longer exists,
and it's at least possible to handle now. I am going to be doing some work
on NCSS over the weekend and next week, and making these kinds of requests
work in TDS 5 is one of the things I am looking to get working.
Cheers,
Sean
On Thu, Jan 9, 2020 at 5:42 AM Jesper Baasch-Larsen <jbl@xxxxxxxxxxxxxx>
wrote:
> Just a small update: It seems like the WMS response works fine for
> 0-meridian crossing request for my test dataset.
>
> Best regards,
> Jesper
>
> Den tor. 9. jan. 2020 kl. 13.22 skrev Jesper Baasch-Larsen <
> jbl@xxxxxxxxxxxxxx>:
>
>> Hi
>>
>> I am installing a THREDDS server. Initially I want to use it for the
>> NetCDF Subset Service (NCSS) and WMS.
>>
>> I am testing it on a global NetCDF (NETCDF4_CLASSIC) file which has a
>> longitude variable going from 0.0 to 359.5. When I try to use the NCSS for
>> an area which crosses the zero-meridian I only seem to get the area to the
>> east of the meridian. This is also the case both when I use (west=350,
>> east=370) and (west=-10, east=10). Do I need to do something to let
>> THREDDS/NCSS/WMS know that the dataset is cyclic in longitude?
>>
>> Best regards,
>> Jesper
>>
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