On Tue, Sep 18, 2018 at 4:25 PM Dalia Prizginiene <da...@lmi.is> wrote: > > Hello, > > Thank you for your reply, but that to be sure: does it mean that gdalwarp at the moment does not allow also horizontal grid shift like "+proj=hgridshift +grids=ISN93_16.gsb" or "+proj=latlong +nadgrid=xxxx.gsb" ?
the GDAL developers will be able to answer your question. As Even wrote, "For now, you have to use -s_srs / -t_srs with projections method supported by PROJ" the above definitions could work as part of a -s_srs / -t_srs definition. I was to referring to "+proj=pipeline ..." which is supported in GRASS GIS 7.6 if compiled with PROJ 5.x Best regards, Markus M > > > > Best regards > > Dalia > > > ________________________________ > From: Markus Metz <markus.metz.gisw...@gmail.com> > Sent: Thursday, September 13, 2018 8:15:41 PM > To: Dalia Prizginiene > Cc: gdal-dev > Subject: Re: [gdal-dev] gdalwarp together with proj5 pipelines > > > > On Thu, Sep 13, 2018 at 4:52 PM Dalia Prizginiene <da...@lmi.is> wrote: > > > > Hello, > > > > Is it possible to use gdalwarp together with pipelines "+proj=pipeline +step +inv +proj=lcc +lat_1=64... > > > > to transform the raster into different datum? > > > > > > In here http://osgeo-org.1560.x6.nabble.com/gdal-dev-proj-5-support-added-in-trunk-td5358899.html it is said that "-ct" it could be used. But at the moment this option does not work. > > > > > > Maybe there is another option how to use gdalwarp together with pipelines of proj5? > > Custom proj5-style pipelines are supported in GRASS 7.6, not yet released. GRASS uses GDAL + PROJ for reprojection, and any testing on this new feature would help those projects. > > In GRASS 7.6, you can define custom proj5-pipelines with r.proj pipeline=... > > Markus M >
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