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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Is MapServer using the same GDAL as the commandline GDAL that can successfully open the file?<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>
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<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>Shri I<br>
<b>Sent:</b> Thursday, August 09, 2012 9:49 AM<br>
<b>To:</b> mapserver-users@lists.osgeo.org<br>
<b>Subject:</b> [mapserver-users] Reading a custom GDAL raster format via MapServer...<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Hello All,<br>
<br>
I have been trying to read a custom GDAL raster format via MapServer. (Unfortunately, I'm unable to share the file itself here, as it is a proprietary format). MapServer is unable to read the raster and display it. However, GDAL is able to read (gdalinfo,
etc), translate (gdal_translate), transform (gdalwarp) the raster. Any ideas how to solve this? MapServer is compiled with GDAL support and everything looks OK. The "gdalinfo --formats " command shows the format is supported.
<br>
<br>
Here are the errors in my log:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">msDrawMap(): rendering using outputformat named png (AGG/PNG).<br>
msDrawMap(): WMS/WFS set-up and query, 0.000s<br>
msDrawRasterLayerLow(testLayer): entering.<br>
msDrawRasterLayerLow(): Unable to access file. Corrupt, empty or missing file '/path/to/myfile.ext' for layer 'testLayer'.
<br>
Image handling error. Failed to draw layer named 'testLayer'.<br>
msFreeMap(): freeing map at 0xf8b8f0.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""><br>
<br>
And here's the MapServer error included in the image or shown on the command prompt (when ran using mapserv command):<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">msDrawMap(): Image handling error. Failed to draw layer named 'testLayer'.<br>
msDrawRasterLayerLow(): Unable to access file. Corrupt, empty or missing file '/path/to/myfile.ext' for layer 'testLayer'.
<br>
GDAL: GDALDeregister_GTiff() called.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""><br>
<br>
<br>
Here's how my layer definition looks like:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">LAYER
<br>
NAME "testLayer"<br>
TYPE RASTER<br>
DATA "/path/to/myfile.ext" # <<-- Tested with realtive path from shapepath and also direct path, as in this case.
<br>
STATUS ON<br>
END <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""><br>
<br>
Thank you for your helpful pointers.<br>
<br>
Regards,<br>
Shri.<o:p></o:p></span></p>
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