Thanks Ed, this information helps a lot. :)<br><br><div><span class="gmail_quote">On 8/7/06, <b class="gmail_sendername">Ed McNierney</b> <<a href="mailto:ed@topozone.com">ed@topozone.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">Bruno -</font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2"></font></span> </div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">You don't configure it. As long as your MapServer
binary is using GDAL support to read GeoTIFF files, GDAL will look for and
automatically use the overviews. For a given map request there will be a
certain input raster resolution desired. GDAL will use the
lowest-resolution overview that is not lower in resolution than the requested
resolution.</font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2"></font></span> </div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2"> - Ed</font></span></div>
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<p><font size="2">Ed McNierney<br>President and Chief Mapmaker<br>TopoZone.com /
Maps a la carte, Inc.<br>73 Princeton Street, Suite 305<br>North Chelmsford,
MA 01863<br>Phone: +1 (978) 251-4242<br>Fax: +1 (978)
251-1396<br><a href="mailto:ed@topozone.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">ed@topozone.com</a></font> </p></span></div><br>
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<font face="Tahoma" size="2"><b>From:</b> UMN MapServer Users List
[mailto:<a href="mailto:MAPSERVER-USERS@LISTS.UMN.EDU" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">MAPSERVER-USERS@LISTS.UMN.EDU</a>] <b>On Behalf Of </b>Bruno Patini
Furtado<br><b>Sent:</b> Monday, August 07, 2006 3:06 PM<br><b>To:</b>
<a href="mailto:MAPSERVER-USERS@LISTS.UMN.EDU" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">MAPSERVER-USERS@LISTS.UMN.EDU</a><br><b>Subject:</b> [UMN_MAPSERVER-USERS] Layer
Overviews<br></font><br></div></div><div><span class="e" id="q_10cead330c7c2f95_1">
<div></div>Hi, <br>I have successfully added internal overviews to a GeoTIFF
image, which had its size increased from 270mb to 370mb, but I'm not finding
where in the map file layer object where I configure this overviews. <br><br>In
order to create the internal overviews I've used the <span style="font-family: courier new,monospace;">gdaladdo </span>program.<br><br>Any
hint would be really appreciated!<br clear="all"><br>-- <br>"Minds are like
parachutes, they work best when open."<br><br>Bruno Patini Furtado <br>Software
Developer<br>webpage: <a href="http://bpfurtado.net" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">http://bpfurtado.net</a><br>software development
blog: <a href="http://bpfurtado.livejournal.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">http://bpfurtado.livejournal.com</a>
</span></div><div></div>
</div></blockquote></div><br><br clear="all"><br>-- <br>"Minds are like parachutes, they work best when open."<br><br>Bruno Patini Furtado<br>Software Developer<br>webpage: <a href="http://bpfurtado.net">http://bpfurtado.net
</a><br>software development blog: <a href="http://bpfurtado.livejournal.com">http://bpfurtado.livejournal.com</a>