[gdal-dev] Motion: adopt RFC 87: Signed int8 data type for raster

[Even Rouault]

Le 16/11/2022 à 17:32, Hermann Rodrigues a écrit :
> Hi,
>
> I am a bit late for this discussion, but can someone please clarify if 
> this is a breaking change? Is this keeping the old behavior in place 
> when reading GDT_Byte or replacing it completely when reading rasters 
> storing 8-bit pixels?

This doesn't affect GDT_Byte rasters that were really unsigned 8-bit pixels.

For signed 8-bit pixels, 
https://gdal.org/development/rfc/rfc87_signed_int8.html#backward-compatibility 
should answer your question

>
> Best,
>
> hermann
>
> ----------------------------------------------------------------------
> Hermann Rodrigues
> hermann.rodrigues at gmail.com
> hermann at csr.ufmg.br
> Twitter: @horodrigues | @dinamica_ego
> Centro de Sensoriamento Remoto / UFMG
> https://csr.ufmg.br | https://dinamicaego.com
>
>
> On Wed, Nov 16, 2022 at 8:04 AM Even Rouault 
> <even.rouault at spatialys.com> wrote:
>
>     I declare this motion passed with +1 from PSC members KurtS, JukkaR,
>     MateuszL and me.
>
>     Even
>
>     Le 14/11/2022 à 13:22, Even Rouault a écrit :
>     > Hi,
>     >
>     > I feel the discussion phase has finished. There were a few
>     questions
>     > about the existing GDT_Byte unsigned 8-bit integer type, if it
>     should
>     > be renamed/aliased/etc, but no obvious conclusion emerged from
>     this,
>     > and I'd suggest we keep with the status-quo with GDT_Byte, and
>     the RFC
>     > remains on just adding GDT_Int8 for signed 8-bit integer.
>     >
>     > Motion:
>     >
>     > Adopt RFC 87: Signed int8 data type for raster
>     > (https://github.com/OSGeo/gdal/pull/6634)
>     >
>     > Starting with my +1,
>     >
>     > Even
>     >
>     -- 
>     http://www.spatialys.com
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