Re: [SpatiaLite-Users] ST_ConcaveHull gives unexpected result

[a.fu...@lqt.it]

On Tue, 24 Dec 2024 18:45:21 -0800 (PST), Shijie li wrote:
> Considering following query:
> SELECT ST_AsText(ST_ConvexHull(ST_GeomFromText('POINT (0 0)')));
>
> -- expected:{Point(0 0)}
> -- actuall    :{null}
>
> Is my usage incorrect？
>

I'm sorr,

but I cannot confirm what is reported.
on my onw PC using libspatialite 5.0 supported by GEOS 3.8.1
I get the expected value PONT(0, 0)

I suspect you are using some seriously outdated version

best regards,
Sandro

[Shijie li]

Sorry, I misread it