[GRASS-dev] PROJ6 support in GRASS

[Anna Petrášová]

Hi,


On Tue, Sep 3, 2019 at 4:22 AM Markus Metz <markus.metz.giswork at gmail.com>
wrote:

> Hi all,
>
> there is a new PR for PROJ6 support in GRASS
> https://github.com/OSGeo/grass/pull/118
>
> There are two important changes when using PROJ6:
>
> First, reprojection with v.proj and r.proj is no longer always possible
> without the user making informed decisions. The reason is that there can be
> several different operations available to reproject coordinates from one
> CRS to another CRS. These different operations are listed and the user has
> to provide the appropriate operation with the pipeline option, taking care
> of any axisswap.
>

first, thanks for all the work. Second, I don't see how most users are
supposed to know what to pick. Is there perhaps a way to pick a good
default? I just can't imagine not having r.import/v.import...

Anna

>
> Second, axis order is no longer always easting, northing, e.g. for
> EPSG:4326 it is northing, easting, and an axisswap might need to be removed
> from operations provided by PROJ.
>
> There are many more changes (see details in the PR), but these are the two
> most important ones.
>
> Feedback welcome!
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