[Qgis-user] Importing a raster into a Geopackage

[Nicolas Cadieux]

Hi,

Feature Request was made to disable JPEG lossy compression on Byte data 
type when exporting raster to a geopackage. This is not technically a 
bug report as this is the default mode for the driver.

https://github.com/qgis/QGIS/issues/40425

On 2020-12-01 9:56 a.m., Alberto Vavassori wrote:
>
> Hello everybody. I have an issue regarding the Geopackage format. I 
> have tried to import a singleband raster file (it represents the land 
> cover, thus every pixel has a single integer value corresponding to 
> the land cover class), but this operation seems to modify the raster 
> characteristics: the raster becomes a 4-bands raster and the pixels 
> values change accordingly (basically, the original raster is saved in 
> the Geopackage as an RGB image). It seems to be a bug of QGIS. I have 
> also tried to use GDAL translate through the processing toolbox of 
> QGIS to convert the TIFF file to a Geopackage file, but the result is 
> the same.
>
> Has anybody faced this problem? May anybody suggest a way to work this 
> problem out?
>
> Thank you.
>
> Alberto
>
>
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-- 
Nicolas Cadieux
https://gitlab.com/njacadieux

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