[Freegis-list] Seamless raster base-map of Europe 2000 now available on the Baltic GIS Portal

Mon May 15 09:03:35 CEST 2006

Hallo,

> users just need to install the appropriate ECW plugins on their GIS

GDAL should be able to read this format, see
    http://gdal.maptools.org/formats_list.html

But there are some limitations http://gdal.maptools.org/frmt_ecw.html

>  I didn't find    
>   any GIS image compression software that would be a total freeware.

gnu zip?

Jáchym

On Mon, May 15, 2006 at 09:38:53AM +0300, Gedas Vaitkus wrote:
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> Dear Paolo,<br>
> <br>
> Yes, you are right about that, but in order to open ECW files, the
> users just need to install the appropriate ECW plugins on their GIS
> software form Earth Resource Mapping web page
> (<a class="moz-txt-link-freetext" href="http://www.ermapper.com/downloads/plugins.aspx">http://www.ermapper.com/downloads/plugins.aspx</a>). Those plugins are
> free. Besides, the providers also offer a free ECW compressor which
> only has limitation on the original file size. Otherwise in terms of
> image quality and performance, ECW is obviously the best format for me.
> I have seriously tested MrSID, JPEG2000 and ECW formats while working
> on the European mosaic. Trust me - ECW is the only format which allows
> you to open 400 compressed images in GIS software at once... And,
> honestly, I didn't find any GIS image compression software that would
> be a total freeware.<br>
> <br>
> Regards,<br>
> <br>
> Gedas<br>
> <br>
> Paolo Cavallini wrote:
> <blockquote cite="mid200605150653.11846.cavallini at faunalia.it"
>  type="cite">
>   <pre wrap="">Thanks for this. Unfortunately, ECW is not free.
> pc
> 
> At 19:14, domenica 14 maggio 2006, Gedas Vaitkus has probably written:
>   </pre>
>   <blockquote type="cite">
>     <pre wrap="">Dear free-GISers,
> 
> It's my pleasure to inform you that a seamless raster base-map of Europe
> (ETRS90_LAEA CRS, 14.25 m pixel resolution), created on the basis of
> USGS Landsat GeoCover 2000 (USGS Global Land Cover Facility) has been
> recently published on-line at the Baltic GIS Portal (<a class="moz-txt-link-freetext" href="http://gis.ekoi.lt">http://gis.ekoi.lt</a>)
> at the Institute of Ecology in Vilnius, Lihuania . Registered users can
> download the 250x250 km tiles compressed into ECW format without any
> limitations and totally free of charge. The easiest way to get the
>     </pre>
>   </blockquote>
>   <pre wrap=""><!---->...
>   </pre>
> </blockquote>
> <br>
> <br>
> <pre class="moz-signature" cols="72">-- 
> BALTIC GIS PORTAL -- <a class="moz-txt-link-freetext" href="http://GIS.EKOI.LT">http://GIS.EKOI.LT</a> -- PUBLIC GIS DATA OF EUROPE</pre>
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-- 
Jachym Cepicky
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