[QGIS-Developer] Fwd: GRASS in QGIS

[Vaclav Petras]

On Mon, 12 Oct 2026 at 10:40, Jürgen E. Fischer via QGIS-Developer <
qgis-developer at lists.osgeo.org> wrote:

>
>
> Splitting the GRASS package into tools+libraries and the UI would be
> another
> option - as we don't use GRASS' GUI.  But I don't know know where the line
> between the two exactly is - splitting off everything that's python might
> do
> the trick.
>

Hi Jürgen,

The GUI is pretty clearly separated in GRASS and the general idea is that
all should work without GUI. There might be a couple spots to polish, but I
know that only because we hit and fix those from time to time. Also, Ubuntu
has a grass-gui package.

As for splitting by Python use, many tools are written in Python (or are
Python wrappers), for example r.drain, r.grow, v.geometry, or notably
r.mapcalc.simple wrapping r.mapcalc which was originally created to serve
QGIS...perhaps r.mapcalc.simple is a special case, but I can imagine there
can be more tools like r.mapcalc.simple in the future.

Vaclav
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