If you don't have access to the PROJ data then there are Spatial References(CRS) and Spatial Transformations that it will not know about.
However - you can set GDAL up to use the PROJ CDN - so that it pulls down just the data it needs when it needs it. On Wed, 8 Feb 2023 at 21:44, Scott Arnold <scottcarno...@gmail.com> wrote: > Greetings GDAL Community, > > I've been working with GDAL lately, and I have a question for more > experienced GDAL users or developers. GDAL has a dependency on PROJ. I > know some GDAL functions, for example, will respond with an error message > if the proj.db cannot be found, and there is a dependency on PROJ during > the GDAL build. PROJ has a rather large collection of data packaged > separately from the PROJ source code (described in PROJ-data readme as > containing shift grids for horizontal and vertical coordinate > transformations.). You can build both PROJ and GDAL without PROJ data, and > the GDAL functions I've used (albeit I've only used a few) seem unaffected > by not having PROJ data. Can any of you provide any insights into what the > implications are of having PROJ data installed vs. not installed? > > Thank you, > > Scott Arnold > _______________________________________________ > gdal-dev mailing list > gdal-dev@lists.osgeo.org > https://lists.osgeo.org/mailman/listinfo/gdal-dev >
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