On Fri, Nov 10, 2017 at 2:21 PM, Markus Metz <markus.metz.gisw...@gmail.com> wrote: > > > > > > > 7.2 considers this OK while trunk considers this different. I'm not sure which one is correct. > > > > In this case, 7.2 is correct, but 7.2 does not compare datums, i.e. projections would be regarded as matching even with e.g. nad27 and nad83. > > The comparison of datums is new in 7.3 and needs some refinement. > > > > I will fix the comparison of swapped lat_1 and lat_2. > > Fixed in trunk r71656. > > The test for different datum names has been disabled again in trunk r71657. There are several different datum names in lib/gis/datum.table that apparently mean the same: same ellipsoid and same transformation parameters. Apparently, GRASS does not provide a datum name when converting projection information from GRASS to proj4 for reprojecting data.
Thank you so much, Markus. This saves me a lot of trouble. (I'm working on a Jupyter Notebook where I need trunk.) https://github.com/wenzeslaus/Notebook-for-processing-point-clouds-in-GRASS-GIS > > > Markus M >
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