Hello Jacek
I'm using gdal 1.11, binaries downloaded from gisinternals with the ref 1600
gdal_translate -formats gives me that for ECW:
 ECW (rov): ERDAS Compressed Wavelets (SDK 5.0)

In Qgis valmiera i have several gdal dll, so i'm not sure which one they use

And in worldwind it's a custom build, using gdal 1.7.2

Unfortunately I don't think i can share the file, I've to think of a way to create another ecw and copying the metadata, i could not using gdal_translate

Regards

Nicolas

On 17/04/2015 02:41, Tomaka, Jacek wrote:
Nicolas,
What version of ECW library are you using?
Is there any chance I could see the file(s)?
Regards.
Jacek Tomaka


-----Original Message-----
From: gdal-dev-boun...@lists.osgeo.org 
[mailto:gdal-dev-boun...@lists.osgeo.org] On Behalf Of Nicolas Ragg
Sent: Friday, 17 April 2015 7:32 AM
To: gdal-dev@lists.osgeo.org
Subject: Re: [gdal-dev] Trouble with French Ecw map

On 15/04/2015 07:59, Jean-Claude Repetto wrote:
Please run the command : gdalinfo -mdd ECW file.ecw What are the
metadata (ECW) :
PROJ= ?
DATUM= ?

Jean-Claude

Still looking into this problem, i've run gdalinfo with -mdd VERSION, output is 
:
Metadata:
    COLORSPACE=RGB
    COMPRESSION_RATE_TARGET=10
    VERSION=2

Looking on http://www.gdal.org/frmt_ecw.html, i may be facing backwards 
compatibility issue with a V2 file, something i was not expecting since V5.x 
ECW plugin is supposed to be backward compatible.
Using gdal 1.7.2 i have no mdd at all, and no srs reported but somehow the map 
coordinates are good when importing it in Worldwind.
Could it be related to the plugin compatibility issue related there
https://trac.osgeo.org/gdal/ticket/4635 ?






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