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, viv...@gfz-potsdam.de 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, <viv...@gfz-potsdam.de> 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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