Re: Switch to proj-datumgrid-geotiff for PROJ 7 ?

Even Rouault <[email protected]> Mon, 13 Jan 2020 17:34:10 +0100
Newsgroups gmane.comp.gis.proj-4.devel
Message-ID <2326814.iVNZEzlDUD@even-i700>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