Another interesting information. The output of mrsigeoinfo seems correct and the output of gdal not.
======================================================================================== [EMAIL PROTECTED]:~/scripts/mapping/mrsid$ ./mrsidgeoinfo_linux ~/data/raster/5227y04.sid mrsidgeoinfo: (c) 2005 LizardTech, Inc. All rights reserved. basic image info: format: MrSID/MG2 width: 10000 height: 10000 nband: 3 color space: RGB datatype: uint8 precision: 8 dyn range min: (natural) dyn range max: (natural) background color: (0, 0, 0) nodata color: (none) nominal size: 300000000 mag range: 0.031250 to 1048576.000000 metadata records: 20 num AOI regions: 0 geo coordinate info: X UL: 153622.256000 Y UL: 165381.456000 X res: 0.080683 Y res: -0.081038 X rot: 0.003738 Y rot: 0.003774 geo points (pixel centers): upper left: (153622.256000, 165381.456000) upper right: (154429.002317, 165381.456000) lower left: (153622.256000, 164571.158038) lower right: (154429.002317, 164571.158038) center: (154025.629159, 164976.307019) MrSID image info: number of levels: 5 is locked: false file version: 1.0.1. MrSID/MG2-specific image info: is dithered: true block size: 512 ======================================================================================== See my previous e-mail for gdalinfo outut. Coordinates where : Corner Coordinates: Upper Left ( -0.0010500, 21.0010493) ( 2d18'19.78"E, 49d17'38.76"N) Lower Left ( -0.0010500, 0.0010500) ( 2d18'19.81"E, 49d17'38.08"N) Upper Right ( 20.9989493, 21.0010493) ( 2d18'20.82"E, 49d17'38.78"N) Lower Right ( 20.9989493, 0.0010500) ( 2d18'20.85"E, 49d17'38.10"N) Center ( 10.4989496, 10.5010496) ( 2d18'20.31"E, 49d17'38.43"N) Didrik
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