You may need to increase the number of tiles surrounding the one to check for 
inconsistencies.  The default meta-tiling value if 4 X 4.  If you can run a 
small script that runs gdalinfo on each file and grep out the bands, you may 
find something that way.

Example we used for some information processing (adjust as required):

for i in $(find . -name "*.sid"); do var=`echo $i ;gdalinfo $i | grep -i 
"band.*Gray"`; echo $var | grep "Band 1";done;

Chris Snider
Senior Software Engineer
Intelligent Software Solutions, Inc.
Direct (719) 452-7257


-----Original Message-----
From: Tom Chadwin [mailto:tom.chad...@nnpa.org.uk] 
Sent: Thursday, May 08, 2014 7:12 AM
To: geoserver-users@lists.sourceforge.net
Subject: Re: [Geoserver-users] GWC seeding: Error rendering coverage on the 
fast path

> I'll do the same on the other adjacent TIFFs

I've now compared gdalinfo output of the TIFF in question with all of its eight 
surrounding TIFFs. The band/colour table information is identical:

Band 1 Block=256x256 Type=Byte, ColorInterp=Palette
  Color Table (RGB with 256 entries)

All 256 colour table entries are also identical in all nine files.

Where should I look now?




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