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<div class=Section1>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Raivo, <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I sometimes get odd artifacts showing up on my PNG24 maps as
well. I don’t know if it’s related to your problem, but I believe mine
is client-related based on its behavior, even though it happens on multiple
computers and browsers. <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Every now and then, my map comes out looking like this: https://netfiles.umn.edu/users/emers089/www/imgerror.jpg<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>It doesn’t always look the same, sometimes the map is
greyed out or covered in mostly black, sometimes only part of the map is
affected. <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Since it’s unpredictable and infrequent, I haven’t
been able to test very much. However, It clears itself immediately when I click
anything on the page, or when I resize the browser window. That makes me think that
my problem is related to client-side graphics drivers; the correct image is already
in the browser, just hidden under the artifacting. I’ve been meaning to play
around with driver updates, but it hasn’t been enough of an issue.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>-Gabe<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
mapserver-users-bounces@lists.osgeo.org [mailto:mapserver-users-bounces@lists.osgeo.org]
<b>On Behalf Of </b>Rahkonen Jukka<br>
<b>Sent:</b> Wednesday, September 17, 2008 7:22 AM<br>
<b>To:</b> Raivo Alla; mapserver-users@lists.osgeo.org<br>
<b>Subject:</b> Re: [mapserver-users] mapserver 5 TIFF displaying problem<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>I'm sorry, I fear I can't help you further. I'm sure
that somebody else will go on with your problem soon. There must be
something odd in the image or in your Mapserver. You could still try
two things and try to find exact reason for the failure:</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>- use ready compiled Mapserver if you find such for your
operating system</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>- test with another image from different source</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>-Jukka-</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<blockquote style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>
<p class=MsoNormal><o:p> </o:p></p>
<div class=MsoNormal align=center style='text-align:center'><span lang=FI>
<hr size=2 width="100%" align=center>
</span></div>
<p class=MsoNormal style='margin-bottom:12.0pt'><b><span lang=FI
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Lähettäjä:</span></b><span
lang=FI style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Raivo Alla
[mailto:snaperski@gmail.com] <br>
<b>Lähetetty:</b> 17. syyskuuta 2008 14:57<br>
<b>Vastaanottaja:</b> Rahkonen Jukka<br>
<b>Aihe:</b> Re: [mapserver-users] mapserver 5 TIFF displaying problem</span><span
lang=FI><o:p></o:p></span></p>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'>Hi,<br>
<br>
thank you but sadly it did'nt help. <br>
Changed the DRIVER and translated to GeoTiff, but the problem remained. <br>
Even after I changed my .map file projection to EPSG:3301 (same like that .tif
file has) was the same picture there.<br>
If I zoom in/out, then the picture changes a bit -><br>
<a href="http://picasaweb.google.com/snaperski/Ort#5246949911192681730">http://picasaweb.google.com/snaperski/Ort#5246949911192681730</a><br>
Strange:)<br>
<br>
Raivo<o:p></o:p></p>
<div>
<p class=MsoNormal>On Wed, Sep 17, 2008 at 2:27 PM, Rahkonen Jukka <<a
href="mailto:Jukka.Rahkonen@mmmtike.fi">Jukka.Rahkonen@mmmtike.fi</a>>
wrote:<o:p></o:p></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Hi,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>If all the clients show the same artifacts we can trust they come
from the server. For some reason it does not like your original
image. Try converting it to uncompressed geotiff image with
gdal_translate<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>gdal_translate -of GTiff </span><span style='color:black'>54653.tif
54653_basic.tif</span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'><o:p></o:p></span></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Make another layer from this new image, or edit your mapfile to use
that instead of the original 54653.tif. What happens? By the way, I
believe it should read<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>DRIVER "GD/PNG24"<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>-Jukka-<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'><o:p> </o:p></span></p>
</div>
<blockquote style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>
<p class=MsoNormal><o:p> </o:p></p>
<div class=MsoNormal align=center style='text-align:center'><span lang=FI>
<hr size=2 width="100%" align=center>
</span></div>
<div>
<p class=MsoNormal><b><span lang=FI style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Lähettäjä:</span></b><span
lang=FI style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Raivo Alla
[mailto:<a href="mailto:snaperski@gmail.com" target="_blank">snaperski@gmail.com</a>]
<o:p></o:p></span></p>
</div>
<p class=MsoNormal><b><span lang=FI style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Lähetetty:</span></b><span
lang=FI style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> 17.
syyskuuta 2008 14:16 <o:p></o:p></span></p>
<div>
<div>
<p class=MsoNormal><span lang=FI style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><br>
<b>Vastaanottaja:</b> Rahkonen Jukka<br>
<b>Aihe:</b> Re: [mapserver-users] mapserver 5 TIFF displaying problem<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><span lang=FI><o:p> </o:p></span></p>
<div>
<div>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'>Hei,<br>
<br>
thank you for advice!<br>
I changed .map a bit: <br>
<br>
IMAGETYPE png24<br>
OUTPUTFORMAT<br>
NAME png24<br>
DRIVER "GD/PNG"<br>
MIMETYPE "image/png"<br>
IMAGEMODE RGBA<br>
EXTENSION "png"<br>
END<br>
<br>
output quality looks better, but that black-lined crap is still there:(<br>
I tried the same with uDig and Gaia WMS-clients, but it's the same.<br>
<br>
<br>
Raivo<o:p></o:p></p>
<div>
<p class=MsoNormal>On Wed, Sep 17, 2008 at 1:51 PM, Rahkonen Jukka <<a
href="mailto:Jukka.Rahkonen@mmmtike.fi" target="_blank">Jukka.Rahkonen@mmmtike.fi</a>>
wrote:<o:p></o:p></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Hi,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>It's getting closer. Image is now at least in a correct
place? Distortion can be due to ArcMAP, perhaps it does not like the
outputformat you are using. Next trials:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>- Have a try with another client software. like Quantum
GIS, OpenJUMP, Cadcorp SIS map browser, or just your web browser.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>- Try changing outputformat. I believe you will need
to change it anyway, png is not good for aerial images. Try
png24 or jpeg instead.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>-Jukka-<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
<blockquote style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>
<p class=MsoNormal><o:p> </o:p></p>
<div class=MsoNormal align=center style='text-align:center'><span lang=FI>
<hr size=2 width="100%" align=center>
</span></div>
<p class=MsoNormal><b><span lang=FI style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Lähettäjä:</span></b><span
lang=FI style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Raivo Alla
[mailto:<a href="mailto:snaperski@gmail.com" target="_blank">snaperski@gmail.com</a>]
<br>
<b>Lähetetty:</b> 17. syyskuuta 2008 13:43<br>
<b>Vastaanottaja:</b> Rahkonen Jukka <o:p></o:p></span></p>
<div>
<div>
<p class=MsoNormal><span lang=FI style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><br>
<b>Aihe:</b> Re: [mapserver-users] mapserver 5 TIFF displaying problem<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><span lang=FI><o:p> </o:p></span></p>
<div>
<div>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'>Thank you,<br>
<br>
I added PROJECTION block to the layer, but unfortunately the same dance: output
is corrupted as it could be seen here: <br>
<a href="http://picasaweb.google.com/snaperski/Ort#5246933992333025954"
target="_blank">http://picasaweb.google.com/snaperski/Ort#5246933992333025954</a><br>
<br>
Maybe I should compile mapserver without -with-tiff key?<br>
<br>
Raivo<o:p></o:p></p>
<div>
<p class=MsoNormal>On Wed, Sep 17, 2008 at 1:03 PM, Rahkonen Jukka <<a
href="mailto:Jukka.Rahkonen@mmmtike.fi" target="_blank">Jukka.Rahkonen@mmmtike.fi</a>>
wrote:<o:p></o:p></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Tere.</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>You have defined the output projection as epsg:4326 and by quick
look it is OK in both map projection and WMS metadata. However, your
original image is in Estonian projection, but Mapserver does not know it
automatically. You need to add PROJECTION block to layer definitions
as well. Try editin your mapfile as follows: </span><o:p></o:p></p>
<div>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='color:black'>LAYER<br>
TYPE RASTER<br>
NAME "raster"<br>
STATUS ON<br>
DATA "54653.tif"</span><o:p></o:p></p>
</div>
<p class=MsoNormal><span style='color:black'>PROJECTION</span><o:p></o:p></p>
<p class=MsoNormal><span style='color:black'>
"init=epsg:3301"</span><o:p></o:p></p>
<p class=MsoNormal><span style='color:black'>END #end projection<br>
END #end layer</span><o:p></o:p></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>I hope I guessed the epsg code right.</span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>-Jukka Rahkonen-</span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal> <o:p></o:p></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<blockquote style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>
<p class=MsoNormal><o:p> </o:p></p>
<div class=MsoNormal align=center style='text-align:center'><span lang=FI>
<hr size=2 width="100%" align=center>
</span></div>
<div>
<p class=MsoNormal><b><span lang=FI style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Lähettäjä:</span></b><span
lang=FI style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <a
href="mailto:mapserver-users-bounces@lists.osgeo.org" target="_blank">mapserver-users-bounces@lists.osgeo.org</a>
[mailto:<a href="mailto:mapserver-users-bounces@lists.osgeo.org" target="_blank">mapserver-users-bounces@lists.osgeo.org</a>]
<b>Puolesta </b>Raivo Alla<o:p></o:p></span></p>
</div>
<p class=MsoNormal><b><span lang=FI style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Lähetetty:</span></b><span
lang=FI style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> 17.
syyskuuta 2008 12:51 <o:p></o:p></span></p>
<div>
<p class=MsoNormal><span lang=FI style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><br>
<b>Vastaanottaja:</b> <a href="mailto:mapserver-users@lists.osgeo.org"
target="_blank">mapserver-users@lists.osgeo.org</a><o:p></o:p></span></p>
</div>
<p class=MsoNormal style='margin-bottom:12.0pt'><b><span lang=FI
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Aihe:</span></b><span
lang=FI style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Re:
[mapserver-users] mapserver 5 TIFF displaying problem</span><span lang=FI><o:p></o:p></span></p>
<div>
<div>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'>Thank you for answering!<br>
<br>
There's some additional information. Gdalinfo output:<br>
<br>
Driver: GTiff/GeoTIFF<br>
Files: 65812.tif<br>
65812.aux<br>
Size is 5000, 5000<br>
Coordinate System is:<br>
LOCAL_CS["Estonia_1997_Estonia_National_Grid",<br>
UNIT["meters",1]]<br>
Origin = (715000.500000000000000,6584999.500000000000000)<br>
Pixel Size = (1.000000000000000,-1.000000000000000)<br>
Metadata:<br>
TIFFTAG_XRESOLUTION=2272.0896<br>
TIFFTAG_YRESOLUTION=2272.0896<br>
TIFFTAG_RESOLUTIONUNIT=2 (pixels/inch)<br>
Image Structure Metadata:<br>
COMPRESSION=LZW<br>
INTERLEAVE=PIXEL<br>
Corner Coordinates:<br>
Upper Left ( 715000.500, 6584999.500)<br>
Lower Left ( 715000.500, 6579999.500)<br>
Upper Right ( 720000.500, 6584999.500)<br>
Lower Right ( 720000.500, 6579999.500)<br>
Center ( 717500.500, 6582499.500)<br>
Band 1 Block=5000x8 Type=Byte, ColorInterp=Red<br>
Metadata:<br>
LAYER_TYPE=athematic<br>
Band 2 Block=5000x8 Type=Byte, ColorInterp=Green<br>
Metadata:<br>
LAYER_TYPE=athematic<br>
Band 3 Block=5000x8 Type=Byte, ColorInterp=Blue<br>
Metadata:<br>
LAYER_TYPE=athematic<br>
<br>
<br>
And from .map file:<br>
IMAGETYPE PNG<br>
OUTPUTFORMAT<br>
NAME png<br>
DRIVER "GD/PNG"<br>
MIMETYPE "image/png"<br>
IMAGEMODE RGB<br>
END<br>
PROJECTION<br>
"init=epsg:4326"<br>
END<br>
METADATA<br>
WMS_TITLE "UMN MapServer Maa-ameti TEST"<br>
WMS_ABSTRACT "Mõeldud testimiseks"<br>
WMS_ACCESSCONSTRAINTS "none"<br>
WMS_SRS "EPSG:4326"<br>
END<br>
<br>
Could it be problem that coordinate systems does not match?<br>
However, I remember it's written that Mapserver could do SRS transforming
on-the-fly.<br>
<br>
<br>
<o:p></o:p></p>
<div>
<p class=MsoNormal>On Wed, Sep 17, 2008 at 11:23 AM, Rahkonen Jukka <<a
href="mailto:Jukka.Rahkonen@mmmtike.fi" target="_blank">Jukka.Rahkonen@mmmtike.fi</a>>
wrote:<o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Hi,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Impossible to say with this information. Much better
possibilities to help you if you could send also the main MAP part of your
mapfile including at lesast outputformat and projection, and the metadata
sections. Gdalinfo report about the image might be helpful as well.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>-Jukka Rahkonen-<o:p></o:p></span></p>
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margin-left:3.75pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>
<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><b><span lang=FI
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Lähettäjä:</span></b><span
lang=FI style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <a
href="mailto:mapserver-users-bounces@lists.osgeo.org" target="_blank">mapserver-users-bounces@lists.osgeo.org</a>
[mailto:<a href="mailto:mapserver-users-bounces@lists.osgeo.org" target="_blank">mapserver-users-bounces@lists.osgeo.org</a>]
<b>Puolesta </b>Raivo Alla<br>
<b>Lähetetty:</b> 17. syyskuuta 2008 9:38<br>
<b>Vastaanottaja:</b> <a href="mailto:mapserver-users@lists.osgeo.org"
target="_blank">mapserver-users@lists.osgeo.org</a><br>
<b>Aihe:</b> [mapserver-users] mapserver 5 TIFF displaying problem</span><span
lang=FI><o:p></o:p></span></p>
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<p class=MsoNormal>Hello,<br>
<br>
I'm quite new using Mapserver and found myself struggling with this
simple-looking problem:<br>
<br>
In my map file, there is layer defined as follows:<br>
LAYER<br>
TYPE RASTER<br>
NAME "raster"<br>
STATUS ON<br>
DATA "54653.tif"<br>
END<br>
<br>
The problem is, that this image is corrupted when I look at it in ArcMap - it
contains strange black boxes and stripes. Original image is OK, so<br>
I guess the problem is somewhere in map file. <br>
.tfw file should be ok:<br>
1.000000000000000<br>
0.000000000000000<br>
0.000000000000000<br>
-1.000000000000000<br>
650000.500000000000000<br>
6469999.500000000000000<br>
<br>
What could be the problem?<br>
<br>
<br>
Raivo Alla<o:p></o:p></p>
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