Okay, got it. However:

Quoting the documentations:

> Two-dimension coordinate variables are exposed in GeoServer as single
> dimensions. Their domain is exposed in GetCapabilities as a flat list of
> possible values.
>

Should I expose their domain by myself? So they can be exposed as single
dimension coordinates.

Best,
Amir

On Fri, May 5, 2023 at 3:28 PM Amirhossein Nikfal <ah.nik...@gmail.com>
wrote:

> I think it is clearly mentioned in the documentation that NetCDF with 2D
> lat/lon are supported by GeoServer:
>
> https://docs.geoserver.org/stable/en/user/extensions/netcdf/netcdf.html#two-dimensional-coordinate-variables
>
> I am looking for a sample NetCDF datafile with 2D coordinates (mentioned
> in documentation) to play with in GeoServer. My own datafiles (with 2D
> lat/lon) cannot be read by GeoServer.
>
> Best,
> Amir
>
> On Fri, May 5, 2023 at 3:06 PM Andrea Aime <
> andrea.a...@geosolutionsgroup.com> wrote:
>
>> Ah, it's an irregular grid then, each entry of the array is mapped to its
>> own independent point? No, as far as I know GeoServer has no support for
>> it, regardless of the format (nothing specific to NetCDF). Where did you
>> read those are supported?
>>
>> I has trouble understanding what you meant so far, it's likely there is a
>> similar misunderstanding in the docs.
>>
>> Andrea
>>
>> Il ven 5 mag 2023, 13:57 Amirhossein Nikfal <ah.nik...@gmail.com> ha
>> scritto:
>>
>>> Thank you very much for the data. However, the file (sst.nc) you sent
>>> had 1D coordinates. These kinds of coordinates are okay in GeoServer:
>>> lat_1D: float32 lat(y)
>>> lon_1D: float32 lon(x)
>>>
>>> The latitudes and longitudes in a 2D NetCDF data have 2D shapes, and
>>> they depend on both the x and y axis. They are problematic in GeoServer,
>>> although in the documentations
>>> <https://docs.geoserver.org/stable/en/user/extensions/netcdf/netcdf.html#two-dimensional-coordinate-variables>
>>> it is mentioned that they can be handled):
>>> lat_2D: float32 lat(x,y)
>>> lon_2D: float32 lon(x,y)
>>>
>>> On Thu, May 4, 2023 at 5:09 PM Andrea Aime <
>>> andrea.a...@geosolutionsgroup.com> wrote:
>>>
>>>> On Thu, May 4, 2023 at 3:09 PM Amirhossein Nikfal <ah.nik...@gmail.com>
>>>> wrote:
>>>>
>>>>> Well actually in the documentation
>>>>> <https://docs.geoserver.org/stable/en/user/extensions/netcdf/netcdf.html#two-dimensional-coordinate-variables>
>>>>> it has been mentioned that GeoServer can handle NetCDF data with 2D
>>>>> coordinates (latitudes/longitudes).
>>>>>
>>>>
>>>> A scalar variable with lat and lon? Sure, it's supported.
>>>> When you said a 2D variable, I understood you wanted a vector-type
>>>> variable (not sure if NetCDF even supports it, TBH).
>>>>
>>>>
>>>>> I just want a sample NetCDF data with 2D coordinates to test it.
>>>>>
>>>>
>>>> This tiny NetCDF used for the NetCDF module tests should do the trick:
>>>>
>>>> https://github.com/geoserver/geoserver/raw/main/src/extension/netcdf/src/test/resources/org/geoserver/netcdf/test-data/sst.nc
>>>>
>>>> Regards
>>>> Andrea
>>>>
>>>> ==
>>>>
>>>> GeoServer Professional Services from the experts!
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>>>> ==
>>>>
>>>> Ing. Andrea Aime
>>>> @geowolf
>>>> Technical Lead
>>>>
>>>> GeoSolutions Group
>>>> phone: +39 0584 962313
>>>>
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