On Thu, Apr 25, 2013 at 10:13 AM, TomLec <[email protected]> wrote:
> Hello,
>
> I am currently trying to serve DTED (level 0) files through GeoServer. The
> point is i do not have one or two files to provide but 25,000+.
>
Way too many files.
> 3. Tried to merge all dt0 files into one big tiff file => not easy to
> manipulate with WMS (1.7 Go) and it takes long time to create it.
>
This is actually the way to go, but you have to inner tile it, and add
overviews
(and you need a recent version of GeoServer to read the resulting bigtiff).
See here for hints:
http://demo.geo-solutions.it/share/foss4g2011/gs_steroids_sgiannec_foss4g2011.pdf
> 4. Tried to merge each subdirectory (e000.tif, e001.tif, ...) in order to
> use ImageMosaic in a better way.
> Gdalwarp without reprojection gives me black border. It is a little bit
> expected because each tile have its own origin location and each tile have
> static size (121x121 block). Then i tried to warp again but with Google
> Mercator reprojection, in QGis all seems perfect but when i use openlayers
> from GeoServer, i got a even bigger black border.
>
About the black border, I believe only the current GeoServer trunk (what
will become
2.4.0 in Septembre/October) can reproject
raster with NODATA without causing black borders, but I may be wrong.
You might want to try out a nightly build from here:
http://gridlock.opengeo.org/geoserver/master/
Cheers
Andrea
--
==
GeoServer training in Milan, 6th & 7th June 2013! Visit
http://geoserver.geo-solutions.it for more information.
==
Ing. Andrea Aime
@geowolf
Technical Lead
GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy
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