On Thu Oct 31, 2024 at 11:16:05AM +0100, Landry Breuil wrote:
> hi,
>
> here's a port for https://esri.github.io/lerc/:
>
> LERC is an open-source image or raster format which supports rapid
> encoding and decoding for any pixel type (not just RGB or Byte).
> Users set the maximum compression error per pixel while encoding, so
> the precision of the original input image is preserved (within user
> defined error bounds).
>
> it's an alternative compression format for tiff, so graphics/tiff can
> detect it and make use of it.
>
> even if it comes from ESRI (which is the microsoft of geospatial), its
> source is already bundled in gdal
> (https://github.com/OSGeo/gdal/tree/master/third_party/LercLib) and
> having it as a separate port would allow enabling support in tiff & gdal
> ecosystem, see the various LERC* options in
> https://gdal.org/en/latest/drivers/raster/gtiff.html and the build
> support in
> https://gdal.org/en/latest/development/building_from_source.html#lerc
>
> feedback and oks welcome.
OK rsadowski
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