[Mapserver-users] gdaladdo

Wed Mar 5 05:34:56 EST 2003

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Hi all.

I've got an application which deal with large TIFF's raster images. I
considered to use GDAL to improve the
performance (gdaladdo & gdaltndex). I succesfully compiled GDAL in my
machine. Also I recompiled 
mapserver with "--without-tiff" and "--with-gdal" options.

Then I used gdaladdo with one of my tiff images in order to make a TIFF
image with many levels. Right.

Now, what must I do with my "map" file to get the correct image be
displayed as the user changes the scale?.

Thanks in advance.

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META HTTP-EQUIV=3D"Content-Type" CONTENT=3D"text/html; =
charset=3Diso-8859-1">
<TITLE>Mensaje</TITLE>

<META content=3D"MSHTML 6.00.2800.1141" name=3DGENERATOR></HEAD>
<BODY>
<DIV><SPAN class=3D952511910-05032003><FONT face=3DArial size=3D2>Hi=20
all.</FONT></SPAN></DIV>
<DIV><SPAN class=3D952511910-05032003><FONT face=3DArial=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D952511910-05032003><FONT face=3DArial size=3D2>I've =
got an=20
application which deal with large TIFF's raster images. I considered to =
use GDAL=20
to improve the</FONT></SPAN></DIV>
<DIV><SPAN class=3D952511910-05032003><FONT face=3DArial =
size=3D2>performance=20
(gdaladdo &amp; gdaltndex). </FONT></SPAN><SPAN =
class=3D952511910-05032003><FONT=20
face=3DArial size=3D2>I succesfully compiled GDAL in my machine. Also I =
recompiled=20
</FONT></SPAN></DIV>
<DIV><SPAN class=3D952511910-05032003><FONT face=3DArial =
size=3D2>mapserver with=20
"--without-tiff" and "--with-gdal" </FONT></SPAN><SPAN=20
class=3D952511910-05032003><FONT face=3DArial =
size=3D2>options.</FONT></SPAN></DIV>
<DIV><SPAN class=3D952511910-05032003><FONT face=3DArial=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D952511910-05032003><FONT face=3DArial size=3D2>Then I =
used gdaladdo=20
with one of my tiff images in order to make a TIFF image with many =
levels.=20
Right.</FONT></SPAN></DIV>
<DIV><SPAN class=3D952511910-05032003><FONT face=3DArial=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D952511910-05032003><FONT face=3DArial size=3D2>Now, =
what must I do=20
with my "map" file to get&nbsp;the correct image be displayed as the =
user=20
changes the scale?.</FONT></SPAN></DIV>
<DIV><SPAN class=3D952511910-05032003><FONT face=3DArial=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D952511910-05032003><FONT face=3DArial size=3D2>Thanks =
in=20
advance.</FONT></SPAN></DIV>
<DIV><SPAN class=3D952511910-05032003><FONT face=3DArial=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D952511910-05032003></SPAN>&nbsp;</DIV></BODY></HTML>

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