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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