[gdal-dev] Warping EUMetsat MSG-4 MPE dataset to webmercator projection

[Even Rouault]

On mercredi 25 avril 2018 19:20:17 CEST Andre Joost wrote:
> Am 25.04.18 um 15:50 schrieb Kristian Evers:
> > Andre,
> > 
> > The PROJ 5.0.1 OSGeo4W installation is faulty so that may be the
> > problem. Specifically the null grid is not being installed in the
> > 5.0.1 package as reported on the mailing list [0]. This has not been
> > resolved yet. Try copying in the null grid to C:\OSGeo4W64\share\proj
> > and see if that changes anything. You can use the file from your
> > current 4.9.3 installation.
> 
> That does not improve the situation with gdalwarp. I will do some tatest
> with cs2cs later.
> 

I've tracked the error down to pj_transform() implementation in proj 5. A potential fix is in 
https://github.com/OSGeo/proj.4/pull/955

This is specific to using the proj.4 API of proj5.

Even

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