[gdal-dev] Discrepancy when tiling on MAC and Linux

Grégory Bataille gregory.bataille at gmail.com
Wed Nov 13 20:54:09 PST 2019


wow, thanks.

I'm not quite sure I'm following it all though. I'm reaching a bit my
knowledge limit here with those transforms. I'll need to spend a bit more
time on it to get more understanding and see what I can do, how I might use
your update.
But thanks for the quick turnaround

Cheers

---
Gregory Bataille


On Thu, Nov 14, 2019 at 1:24 AM Even Rouault <even.rouault at spatialys.com>
wrote:

> > This is not a PROJ6 issue, but a GDAL one related to the logic starting
> at
> > https://github.com/OSGeo/gdal/blob/master/gdal/ogr/ogrct.cpp#L843
> >
> > You could try to add a test that if OGRSpatialReference::GetTOWGS84()
> > returns OGRERR_NONE then the resolution to the WKT of the EPSG code is
> > skipped
>
> I've implemented this in https://github.com/OSGeo/gdal/pull/2016
>
> The last commit is the one that is of interest for you. I've kept the
> current
> behaviour as default, as I think it is what most people would want. For
> your
> use case, you'd define OSR_CT_USE_DEFAULT_EPSG_TOWGS84=YES
>
> Even
>
> --
> Spatialys - Geospatial professional services
> http://www.spatialys.com
>
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