[R-sig-Geo] reading geopackage gpkg with readOGR

[Bede-Fazekas Ákos]

Dear Patrick,
please take a look at sf::st_layers(dsn), this gives you the name of, 
and basic information on, the layers found in the specific file/folder 
(dsn).
HTH,
Ákos Bede-Fazekas

2021.04.13. 8:35 keltezéssel, Patrick Giraudoux írta:
> Dear listers,
>
> I did not find the way to open a geopackage using rgdal::readOGR.
>
> The package name is 'trspixNarati_alt_UTM44.gpkg' (with two companion
> files: 'trspixNarati_alt_UTM44.gpkg-shm' and
> 'trspixNarati_alt_UTM44.gpkg-wal') stored in a folder 'Shapes'
>
> The corresponding object should be a SpatialPointsDataFrame.
>
> I have tried several combinations (a bit blind) with
>
> readOGR("./Shapes/trspixNaratiUTM44_alt_UTM44.gpkg")
>
> readOGR("./Shapes/","trspixNaratiUTM44_alt_UTM44.gpkg")
>
> readOGR("./Shapes/","trspixNaratiUTM44_alt_UTM44")
>
> with no success...
>
> This link https://jsta.github.io/2016/07/14/geopackage-r.html gives
> indications on the how to to it, but supposes that one knows a layer
> name (which is not my case)
>
> Any idea about the syntax of this driver ?
>
> Best,
>
> Patrick
>
>
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>
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