Bug report #21463
Unable to display some rasters in canvas
|Affected QGIS version:||3.6.0||Regression?:||No|
|Operating System:||Debian 10||Easy fix?:||No|
|Pull Request or Patch supplied:||No||Resolution:|
|Crashes QGIS or corrupts data:||No||Copied to github as #:||29280|
Since upgrading to Buster there is now a situation where some rasters will not display correctly in the Canvas.
I believe this issue has been previously reported, possibly in 2.18
This only affects customised JPEG raster layers created in Gimp. All known image viewers can view these correctly.
Affecting both 3.4.5 and 3.6 on Buster
#7 Updated by Patrick Dunford over 1 year ago
It appears this issue is caused by dropping support for Progressive JPEGs in the latest version. I've tested with rasters regenerated as non progressive and everything displays properly.
Progressive Jpeg format is part of the Jpeg standard for many years and this situation could affect a lot of other users.