Quoting the documentation: There is limited support for coordinate variables with two dimensions (see Two-Dimensional Coordinate Variables), as part of the result of an aggregation (such as time,runtime - in the case of a runtime aggregation). Two dimensional non-independent latitude-longitude coordinate variables aren’t currently supported.
See also: https://docs.geoserver.org/stable/en/user/extensions/netcdf/netcdf.html#two-dimensional-coordinate-variables While the screenshot shows a lat/lon case, the text only refers to time/runtime, and indicates it ends up flattening the dimension space into a single list. I doubt there is any support for scattered grids (it would be a surprise to me). Cheers Andrea On Fri, May 5, 2023 at 3:05 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! >>> >>> Visit http://bit.ly/gs-services-us for more information. >>> == >>> >>> Ing. Andrea Aime >>> @geowolf >>> Technical Lead >>> >>> GeoSolutions Group >>> phone: +39 0584 962313 >>> >>> fax: +39 0584 1660272 >>> >>> mob: +39 339 8844549 >>> >>> https://www.geosolutionsgroup.com/ >>> >>> http://twitter.com/geosolutions_it >>> >>> ------------------------------------------------------- >>> >>> Con riferimento alla normativa sul trattamento dei dati personali (Reg. >>> UE 2016/679 - Regolamento generale sulla protezione dei dati “GDPR”), si >>> precisa che ogni circostanza inerente alla presente email (il suo >>> contenuto, gli eventuali allegati, etc.) è un dato la cui conoscenza è >>> riservata al/i solo/i destinatario/i indicati dallo scrivente. Se il >>> messaggio Le è giunto per errore, è tenuta/o a cancellarlo, ogni altra >>> operazione è illecita. Le sarei comunque grato se potesse darmene notizia. >>> >>> This email is intended only for the person or entity to which it is >>> addressed and may contain information that is privileged, confidential or >>> otherwise protected from disclosure. We remind that - as provided by >>> European Regulation 2016/679 “GDPR” - copying, dissemination or use of this >>> e-mail or the information herein by anyone other than the intended >>> recipient is prohibited. If you have received this email by mistake, please >>> notify us immediately by telephone or e-mail >>> >> -- Regards, Andrea Aime == GeoServer Professional Services from the experts! Visit http://bit.ly/gs-services-us for more information. == Ing. Andrea Aime @geowolf Technical Lead GeoSolutions Group phone: +39 0584 962313 fax: +39 0584 1660272 mob: +39 339 8844549 https://www.geosolutionsgroup.com/ http://twitter.com/geosolutions_it ------------------------------------------------------- Con riferimento alla normativa sul trattamento dei dati personali (Reg. UE 2016/679 - Regolamento generale sulla protezione dei dati “GDPR”), si precisa che ogni circostanza inerente alla presente email (il suo contenuto, gli eventuali allegati, etc.) è un dato la cui conoscenza è riservata al/i solo/i destinatario/i indicati dallo scrivente. Se il messaggio Le è giunto per errore, è tenuta/o a cancellarlo, ogni altra operazione è illecita. Le sarei comunque grato se potesse darmene notizia. This email is intended only for the person or entity to which it is addressed and may contain information that is privileged, confidential or otherwise protected from disclosure. We remind that - as provided by European Regulation 2016/679 “GDPR” - copying, dissemination or use of this e-mail or the information herein by anyone other than the intended recipient is prohibited. If you have received this email by mistake, please notify us immediately by telephone or e-mail
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