[Geoserver-users] geopackage community extension problems with raster layers/tables

Dear all,

I am trying to probe if it is possible to show and explote geopackage db generated with this extension of Geoserver to a mobile app.

The problem that i have seen is:
If I generate an gpck as request to geoserver from a raster layer (for example nurc:Img_Sample) and i try to open with Luciad geopackage viewer the image is shown bad.
If the same gpck is open with QGis desktop app nothing is shown.
The gpck file offering as a new datastore works fine in geoserver.

The problem appear to be in opposite direction, that is:
If i generate a gpck with gdal 2.0.x library, then i can see the layer on QGis, and in Luciad geopackage Viewer.
But if i try to publish that gpck on Geoserver the process complete but the preview using openlayers and WMS do not show the image in the correct way

I think that this must not be happend. Geopackage is a standard and different libraries must implement it and interoperate.

Best regards,

Miguel A. Manso
Mercator Research Group

On Sat, May 14, 2016 at 1:48 PM, Miguel-Angel Manso-Callejo (UPM) <
m.manso@anonymised.com> wrote:

I think that this must not be happend. Geopackage is a standard and
different libraries must implement it and interoperate.

Agree that's the case, it should be interoperable.

However, both GeoTools and GeoServer geopackage modules are currently
unsupported, and have not reached
the quality level necessary to get them in a release, that's why they can
only be downloaded
in nightly builds..

Everybody is welcomed to get into the code and start improving it.
We recently had a few improvements in this direction that might have
addressed the issue you
reported (see the history at

https://github.com/geotools/geotools/commits/master/modules/unsupported/geopkg/src
) ,
I'd suggest you try out the 2.9.x series and the associated nightly builds,
it could be that it's working
now, if not, pull requests to fix the incompatibilities are most welcomed.

Cheers
Andrea

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