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<DIV dir=ltr align=left><SPAN class=049394813-06052006><FONT face=Arial
color=#0000ff size=2>Raffle -</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=049394813-06052006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=049394813-06052006><FONT face=Arial
color=#0000ff size=2>Zero is a perfectly nice number! There's nothing
wrong with 0.0 in your world file, especially in the second and third
lines. For the vast majority of raster images you will find that the
fourth line is the same as the first line with the sign reversed, and the second
and third lines are 0.0. A world file will often look
like:</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=049394813-06052006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=049394813-06052006><FONT face=Arial
color=#0000ff size=2>100.0</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=049394813-06052006><FONT face=Arial
color=#0000ff size=2>0.0</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=049394813-06052006><FONT face=Arial
color=#0000ff size=2>0.0</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=049394813-06052006><FONT face=Arial
color=#0000ff size=2>-100.0</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=049394813-06052006><FONT face=Arial
color=#0000ff size=2>12345.67</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=049394813-06052006><FONT face=Arial
color=#0000ff size=2>987654.32</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=049394813-06052006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=049394813-06052006> <FONT
face=Arial color=#0000ff size=2>- Ed</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=049394813-06052006><!-- Converted from text/plain format -->
<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>ed@topozone.com</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>raffle
peter<BR><B>Sent:</B> Saturday, May 06, 2006 9:07 AM<BR><B>To:</B>
MAPSERVER-USERS@LISTS.UMN.EDU<BR><B>Subject:</B> [UMN_MAPSERVER-USERS] Help
needed in Raster/World file<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV> </DIV>
<DIV> Hi</DIV>
<DIV> I am trying to include a .tif file for raster
background. For that i have to write a .tfw(world file) for the corresponding
.tif file. The information that i need to put in the world file are X, Y Pixel
size, rotational co-efficient and X, Y location of the center of the top left
pixel. I am trying to find these values by using gdalinfo-- but some values are
0.0</DIV>
<DIV>in their corresponding field.</DIV>
<DIV> Can anyone plz help me, how to get/set these values for the
world file so that i can</DIV>
<DIV>keep my raster data georeferenced with other layers in my mapfile.</DIV>
<DIV> </DIV>
<DIV>Thanks in advance</DIV>
<DIV>Raffle</DIV>
<DIV> </DIV>
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