[gdal-dev] Trouble with French Ecw map

[Tomaka, Jacek]

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-bounces at lists.osgeo.org [mailto:gdal-dev-bounces at lists.osgeo.org] On Behalf Of Nicolas Ragg
Sent: Friday, 17 April 2015 7:32 AM
To: gdal-dev at 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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