[gdal-dev] Not writing PAM files

[Javier Jimenez Shaw]

Thank you Even!

Probably the same is needed for FLIR, as DJI logic was based in FLIR code
also in jpgdataset.cpp

On Mon, 3 Nov 2025 at 17:04, Even Rouault <even.rouault at spatialys.com>
wrote:

> Hi Javier,
>
> .aux.xml file is no longer generated on opening per
>
> https://github.com/OSGeo/gdal/commit/2ad4ebf4ddcaa74af2d4cea212fb61f0ac382f20
>
> Even
>
> Le 03/11/2025 à 10:13, Javier Jimenez Shaw via gdal-dev a écrit :
> > Hi
> >
> > When I read some raster files (in particular thermal JPEG files), a
> > side car file .aux.xml appears next to it.
> >
> > I would like to avoid the creation of this side car file, but I want
> > to use any .aux.xml file if it is already there. Yes, I could imagine
> > there is a performance impact if I read it several times, but I am
> > going to read the file only once.
> >
> > The config option GDAL_PAM_ENABLED seems to be completely disabling
> > PAM functionality:
> >
> https://gdal.org/en/stable/user/configoptions.html#persistent-auxiliary-metadata-pam-options
> > Reading the documentation, I would imagine that the PAM is completely
> > disabled, not only the creation of the side car file while reading a
> > raster.
> >
> > Is it posible to not create the .aux.xml, but use it if present?
> >
> > Thank you
> >
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>
> --
> http://www.spatialys.com
> My software is free, but my time generally not.
>
>
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