[gdal-dev] Creating mosaic larger than 4GB using gdal_merge.py

[Even Rouault]

Le vendredi 13 mai 2011 20:03:50, Vytas a écrit :
> Hi,
> 
> Using gdal_merge.py  to merge multiple Geotif files and get the
> following error?  Is there a work around to the size issue?  Expected
> output file size is about 12 Gigs.   I was under the impression gdal was
> able to handle Big TIFF format.  If not,  can you please suggest a
> format available in Gdal that I can use which will support large rasters?

Where did you get your GDAL build ? GDAL needs to be compiled and linked 
against libtiff 4.0.0beta's to have bigtiff support. libtiff 3.X don't.

> 
> gdal_merge.py -o tot.tif Port*.tif
> 
> ERROR 6: A 53888 pixels x 35904 lines x 3 bands UInt16 image would be
> larger than 4GB
> but this is the largest size a TIFF can be.  Creation failed.
> Creation failed, terminating gdal_merge.
> 
> Thanks,
> 
> Vytas
> 
> 
> 
> 
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