[gdal-dev] GeoTiff JXL sample format & bits per sample restrictions?

[thomas bonfort]

JXL in tiff should support the 2 band case correctly. What is not supported
here is the int16 datatype. Only uint8, uint16 and float32 are supported.

TB

On Fri, Feb 9, 2024 at 3:32 PM Meyer, Jesse R. (GSFC-618.0)[SCIENCE SYSTEMS
AND APPLICATIONS INC] via gdal-dev <gdal-dev at lists.osgeo.org> wrote:

> We are trying to convert a 2 band int16 ZSTD compressed geotiff to JXL
> compression.  However for each band the following error message is given
> “ERROR 1: GetJXLDataType:Unsupported combination of SampleFormat and
> BitsPerSample”.
>
>
>
> On GDAL 3.8.3, released 2024/01/04.  JXL v0.9.2
>
>
>
> gdal_translate -ot int16 -co "COMPRESS=JXL" -co "NUM_THREADS=8" -co
> "TILED=YES" -co "SPARSE_OK=YES" -
>
> co "INTERLEAVE=BAND" -co "JXL_LOSSLESS=YES" in.tif out_JXL.tif
>
>
>
> The docs state an encode limitation for GDAL < 3.6 wrt interleave and band
> counts.  We’re not subject to that, unless there’s a bug, but I do wonder
> if we have nonetheless gone off the support path with band interleave with
> 2 bands?
>
>
>
> Jesse
> _______________________________________________
> gdal-dev mailing list
> gdal-dev at lists.osgeo.org
> https://lists.osgeo.org/mailman/listinfo/gdal-dev
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/gdal-dev/attachments/20240209/bfae4df5/attachment.htm>