Cool,
I have send my email before receiving that one.
Good to see it's working for you too.
Cheers,
Daniele
On Tue, Oct 25, 2016 at 9:32 AM, <[email protected]> wrote:
> Hi,
>
> sorry I used wrong netcdf data. Everything works fine now. Thanks to Devon
> and Ben.
>
> Regards,
> Viv
>
>
>
>
>
> Am 2016/10/25 um 02:50 schrieb Ben Caradoc-Davies:
>
> Viv,
>
> Devon confirms that you are using the correct JVM system property.
>
> (1) What is the symptom that that you see? Map output unscaled? WMS
> GetFeatureInfo unscaled (clicking on OpenLayers map to get values)? WCS
> response incorrect?
>
> (2) What Conventions global attribute is set in the NetCDF file? The
> behaviour of the library depends on this attribute. If set to "CF-1.6" then
> scale_factor and add_offset should be supported.
>
> (3) "int" is an unusual type for "time"; "int" types are sometimes
> interpreted as categorical data. I do not know if the GeoServer NetCDF
> plugin has been tested with "int" time. The symptom of this being a problem
> would be time not being recognised as a dimension or the entire file being
> rejected. If it works (other than scale/offset not being applied), then
> time is likely OK.
>
> Kind regards,
> Ben.
>
>
> On 24/10/16 22:19, Ben Caradoc-Davies wrote:
>
> Viv,
>
> that should be everything that is required. I have asked Devon (the
> implementer of the new functionality) to check that my advice is
> correct. Thank you for testing it!
>
> Kind regards,
> Ben.
>
> On 24/10/16 21:45, [email protected] wrote:
>
> Hi Ben,
>
> I installed last GeoServer master war archive from 2016-10-23
> (http://ares.boundlessgeo.com/geoserver/master/) and netcdf plugin.
> Additionally I enabled the JVM system property option:
> -Dorg.geotools.coverage.io.netcdf.enhance.ScaleMissing=true
>
> GeoServer is still not able to deal with scale_factor and add_offset. Is
> there something more to do or to install?
>
> Kind regards,
> Viv
>
>
>
> Am 2016/10/15 um 05:28 schrieb Ben Caradoc-Davies:
>
> Viv,
>
> I merged this fix today. It should appear in the next nightly build
> for GeoServer master.
>
> Note that, for reasons of backwards compatibility, this functionality
> is disabled by default. To enable this option, set the JVM system
> property:
>
> -Dorg.geotools.coverage.io.netcdf.enhance.ScaleMissing=true
>
> Kind regards,
> Ben.
>
> On 15/10/16 01:37, Daniele Romagnoli wrote:
>
> Hi Viv,
> a JIRA has been created in the past weeks to deal with that:
> https://osgeo-org.atlassian.net/browse/GEOT-5516
>
> A PR has already been made to handle it (thanks Devon):
> https://github.com/geotools/geotools/pull/1301
>
> I think that it will be merged early next week (these days there is a
> Freeze due to releases in progress).
> So it should be available as part of the GeoServer nightly build in a
> couple of days.
>
> Hope this helps.
> Cheers,
> Daniele
>
> On Fri, Oct 14, 2016 at 2:17 PM, <[email protected]>
> <[email protected]> wrote:
>
> Hello Everyone,
>
> I have downloaded a NetCDf file that contains packed short integer
> values.
>
> The NetCDF Variables section looks like this:
> variables:
> float longitude(longitude) ;
> longitude:units = "degrees_east" ;
> longitude:long_name = "longitude" ;
> float latitude(latitude) ;
> latitude:units = "degrees_north" ;
> latitude:long_name = "latitude" ;
> int time(time) ;
> time:units = "hours since 1900-01-01 00:00:0.0" ;
> time:long_name = "time" ;
> time:calendar = "gregorian" ;
> short sst(time, latitude, longitude) ;
> sst:scale_factor = 0.00053530401667862 ;
> sst:add_offset = 286.836646410492 ;
> sst:_FillValue = -32767s ;
> sst:missing_value = -32767s ;
> sst:units = "K" ;
> sst:long_name = "Sea surface temperature" ;
>
>
> Can GeoServer handle with scale_factor and add_offset attribute to
> unpack
> the values?
>
> Best regards,
> viv
>
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