[Gdal-dev] ecw compression on linux

[Lionel Bargeot]

I confirm to myself. For gdal_translate, it was a stupid mistake. We 
obtain nice 8 bit ecw compressed image.
It works with specifying ecw outputformat for a WMS but we have poor 
color output image. It seems like a greyscaled image. We tryed different 
options, (IMAGEMODE particularly) but no improvement of the color.
Perhap's it's more a mapserver question and I will ask on another list.

Lionel


Lionel Bargeot wrote:

> Hi all,
>
> we would like to use gdal on linux to
> - first gdal_translate geotiff images povided by a WMS server with gdal
> mapserver driver
> - then produce directly with the WMS server an ecw output.
>
> But we encounter difficulties, the ecw output is unreadable by soft like
> Erviewer or Ermapper. We tryed with our own compiled version and with
> the FWtools0.98 for linux precompiled version. Our system is debian/Gnu
> linux.
> Can someone confirm that geotiff compression work with gdal on Linux  
> with FWtools version or not ?
>
> Thanks a lot
>
> Lionel
>
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Ingénieur SIG
CNERTA-ENESAD, 2 rue champs-prevois, batiment grand-champs, 21000 Dijon
03.80.77.28.49
http://www.igcs-stb.org/