[gdal-dev] Memory use in GDALDriver::CreateCopy()

Even Rouault even.rouault at mines-paris.org
Wed Jan 13 14:12:15 EST 2010


Greg,

You've probably missed that the issue raised by Ozy was with NITF, not 
with GeoTIFF....

> As a practical matter, I do not see this 9999 restriction in GDAL. On 
> Thu 21 Sep 2006, I created with gdal_merge.py a 3 GB .tif having 
> 18,400 columns by 52,800 rows by RGB. On Thu 11 Dec 
> 2009, gdal_translate processed a 150 GB untiled .tif to a tiled .tif 
> with 260,000 columns by 195,000 rows. Greg
>
> On Jan 12, 2010, at 6:38 PM, Even Rouault wrote:
>
>> I'm a bit surprised that you even managed to read a 40Kx100K large 
>> NITF file organized as scanlines. There was a limit until very 
>> recently that prevented to read blocks whose one dimension was bigger 
>> than 9999. This was fixed recently in trunk ( see 
>> ticket http://trac.osgeo.org/gdal/ticket/3263 ) and branches/1.6, but 
>> it has not yet been released to an officially released version. So 
>> which GDAL version are you using ?
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