[GRASS-user] Import gpkg point map

[Markus Metz]

On Wed, Jun 26, 2019 at 10:16 PM Micha Silver <tsvibar at gmail.com> wrote:
>
>
> On 26/06/2019 23:03, Markus Metz wrote:
>
>
>
> On Wed, Jun 26, 2019 at 4:58 PM Micha Silver <tsvibar at gmail.com> wrote:
> >
> > I am trying to import some geopackage files. Some are polygons, and one
is a points vector. The polygons import fine, but the point vector fails
with:
> >
> > ERROR: Detected different projections of input layers. Input layers
must be
> >        imported separately.
> >
> >
> > Then if I convert the gpkg to a shapefile, it works fine.
> >
> >
> > Any ideas what could be wrong? Here's the procedure, showing the
problem.
> >
> [...]
> >
> > # Now The point gpkg vector:
> >
> > ######################
> >
> > micha at TP480:Ashalim$ ogrinfo ashalim_train_pts.gpkg ashalim_train_pts
>
> are there any other layers in ashalim_train_pts.gpkg?
> You can check with
> ogrinfo -so ashalim_train_pts.gpkg
>
>
> micha at TP480:code$ ogrinfo -so ../GIS/Ashalim/ashalim_train_pts.gpkg
> INFO: Open of `../GIS/Ashalim/ashalim_train_pts.gpkg'
>       using driver `GPKG' successful.
> 1: ashalim_train_pts (Point)
> 2: layer_styles (None)
>
>
> The style ??!!
>
>
> I removed that "layer_styles" table from the gpkg db, and deleted the
entry from gpkg_contents, and now the import works.
>
> Who would have guessed ?
>
> I suppose that I should have specified the layer in v.import to avoid
this problem.

Yes, specifying the layer should work.

I have seen this layer_styles layer before in other GPKG files but don't
know what this is good for. GDAL documentation at
https://gdal.org/drivers/vector/gpkg.html
does not mention any style information.

AFAICT, layers in a GPKG should contain vector geometries.

Markus M
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