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

[Menno van Scheers - HUSS]

Potential fix seems to be merged with master of proj4.
Can now successfully warp the dataset.

Thanks !

Menno van Scheers

From: gdal-dev [mailto:gdal-dev-bounces at lists.osgeo.org] On Behalf Of Even Rouault
Sent: woensdag 25 april 2018 22:12
To: gdal-dev at lists.osgeo.org
Cc: Andre Joost <andre+joost at nurfuerspam.de>
Subject: Re: [gdal-dev] Warping EUMetsat MSG-4 MPE dataset to webmercator projection


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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