On Tue, Jul 22, 2014 at 1:49 PM, Ghelli Roberto <[email protected]>
wrote:
> Hi,
>
> I forgot to mention that the problem occurs when reprojecting the layer
> from EPSG:32632 to EPSG:3857.
>
> After doing some tests with the SLD style I can confirm that the wrong
> edge color is the color used for values=0 (if the value=0 as opacity=0 the
> wrong edge is not displayed).
>
Ciao Roberto,
the issue is well known, there is no solution for the current series of
GeoServer: the image processing
library we are using, Java Advanced Imaging, was meant to process actual
photos, and has no notion
of nodata values, so when doing interpolations of any kind the nodata are
thrown into the mix
just like every other value.
This was the bad news, however there is also good news: GeoSolutios has
been working for over a
year to create a set of JAI operations that will replace the default ones,
and which are NODATA
aware.
Here they are:
https://github.com/geosolutions-it/jai-ext
We plan to start integrating them into GeoTools/GeoServer in the next few
months (right now
the development series is under feature freeze in preparation for the 2.6.0
release), in order
to make GeoServer 2.7.x, which will be released in March 2015, nodata aware
Cheers
Andrea
--
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