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<DIV dir=ltr align=left><SPAN class=116470114-05052006><FONT face=Arial
color=#0000ff size=2>D C -</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=116470114-05052006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=116470114-05052006><FONT face=Arial
color=#0000ff size=2>The UNITS and EXTENT in your mapfile need to correspond to
the units used in the projection of your data. If they don't, then you're
looking to reproject the data and there's some extra work you need to
do.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=116470114-05052006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=116470114-05052006><FONT face=Arial
color=#0000ff size=2>gdalinfo will tell you the units and extent in the data
source's native projection. Changing those values in the mapfile won't
change the input data, and you're simply requesting an output image that doesn't
correspond to any part of your input data, so you (correctly) get nothing
displayed.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=116470114-05052006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=116470114-05052006><FONT face=Arial
color=#0000ff size=2>What is it you're trying to do? Are you trying to
display the image in a different projection than the raster source image is
using? If so, what projection does the raster use and what output
projection do you want?</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=116470114-05052006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=116470114-05052006> <FONT
face=Arial color=#0000ff size=2>- Ed</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=116470114-05052006>
<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>ed@topozone.com<BR>(978) 251-4242 </FONT></P></SPAN></DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> UMN MapServer Users List
[mailto:MAPSERVER-USERS@LISTS.UMN.EDU] <B>On Behalf Of </B>d c<BR><B>Sent:</B>
Friday, May 05, 2006 5:54 AM<BR><B>To:</B>
MAPSERVER-USERS@LISTS.UMN.EDU<BR><B>Subject:</B> [UMN_MAPSERVER-USERS] Raster
image doesn't show<BR></FONT><BR></DIV>
<DIV></DIV>Hello,<BR><BR>I just changed the EXTENT of my mapfile which was in
METERS to DD.<BR>I just wrote down the corresponding decimals which were given
by gdalinfo.<BR><BR>BEFORE<BR>--------------<BR>UNITS METERS<BR>EXTENT -3174450
-3225675 2867175 2815950 <BR><BR><BR>AFTER<BR>-----------<BR><BR>UNITS
DD<BR>EXTENT -131.5 -56.5 134 -52.3<BR><BR>nb: the map is a raster im. of
antarctica<BR><BR>The PROBLEM now is that THE MAP DOESN'T SHOW.<BR>I don't get
an error or anything, the map just doesn't show. <BR><BR>Any suggestions?
<BR><BR>Thanks in advance. <BR></BODY></HTML>