[gdal-dev] Fwd: oblique cuts on a raster using python GDAL

[Laurențiu Nicola]

Yes, that's lossless. I was just offering a potential explanation for the issue you had with JPEG2000.

Laurentiu

On Thu, Nov 9, 2023, at 14:40, Naima Dambrine wrote:
> Hi Laurentiu,
> 
> Thank you, I think I'm not concerned because I use GTiff format as output, then I specify a deflate compression with predictor=2 and zlevel=9.
> Please, tell me if it is correct or not.
> 
> Naïma
> 
> Le mer. 8 nov. 2023 à 15:41, Laurențiu Nicola <lnicola at dend.ro> a écrit :
>> __
>> Hi Naïma,
>> 
>> I'm a bit late to the party, but note that the JP2OpenJPEG produces lossy output by default. You need to pass REVERSIBLE=YES and QUALITY=100 as creation options to make it use lossless compression.
>> 
>> Laurentiu
>> 
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