Thanks. I did find 3.3 dlls (actually yanked them from the FWTools package)
which enabled ECW with the GDAL plugin...
What I want to do is actually to create a tilecache from this ECW using
GeoServer then remove it so it's never actually served to any user which I
think is acceptable by the license... but seeding the cache results in
GeoServer out of heap memory rather quickly so in the end I resorted to
converting the ECW to GeoTIFF using GDAL as you suggested. Seeding from the
GeoTIFF is rock solid, so I think there is memory leaks going on using
GDAL/ECW and GeoServer.
/Björn
2012/10/2 Rahkonen Jukka <jukka.rahko...@mmmtike.fi>
> Daniele Romagnoli wrote:
>
> Hi Bjorn,
>
> On Mon, Oct 1, 2012 at 5:55 PM, Björn Harrtell <bjorn.harrt...@gmail.com
> <mailto:bjorn.harrt...@gmail.com>> wrote:
> Hey all,
>
> I'm having troubles getting ECW to work in GeoServer 2.2 with the GDAL
> plugin. Anyone else experiencing the same?
>
> I'm suspecting I need a specific version of the ECW SDK. Which version(s)
> of the ECW SDK is supported with image-ext 1.1.4?
> > Supposing you have purchased an ECW license (which is mandatory to use
> it in a Server), the imageio-ext 1.1.4 plugin deals with ECW SDK 3.3.
> We didn't test it with more recent version of it, yet.
>
> > I think you could try with a more recent version of GDAL (we did some
> test with 1.8.1 and 1.9.x) which may support that ECW version.
> > Latest GDAL native libraries are available there:
> > http://www.gisinternals.com/sdk/<http://www.gisinternals.com/sdk/>
>
> > I see they have also provided some ECW plugin installer (I have never
> tried them. They could be useful for your needs).
> > Please, let us know.
>
> I believe that those packages are compiled with ECW SDK 3.3, based on the
> information from
>
> http://www.gisinternals.com/sdk/PackageInfo.aspx?file=release-1600-x64-gdal-mapserver.zip
>
> Information may be old, though. If you want to know for sure, send mail to
> Tamas and ask. Problem with v. 4.2 is that ECW binaries cannot be delivered
> with the code because of the license, but every user must dowload them by
> himself from Erdas.
>
> Some more reading about GDAL and ECW is here
> http://trac.osgeo.org/osgeo4w/wiki/pkg-gdal-ecw
>
> You may want to have a try by converting ECW images to tiled JPEG-in-tiff
> images with GDAL. Image size is about the same as with ECW, difference in
> quality is not huge and license problems are gone for ever. Commands to use
> (adapt parameters to suit your imagery):
>
> gdal_translate -of GTiff -co tiled=yes -co compress=jpeg -co
> photometric=YCBCR input.ecw output.tif
>
> gdaladdo -r average --config COMPRESS_OVERVIEW JPEG --config
> PHOTOMETRIC_OVERVIEW YCBCR output.tif 2 4 8 16 32 64
>
>
> -Jukka Rahkonen-
>
>
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