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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@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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