[postgis-users] Is there a better way for Finding Gaps/Sliver Holes?

[Shaozhong SHI]

That certainly looks very interesting.  I will look into it.

What are the key concept and solutions?

Regards,

David

On Monday, 2 May 2022, Lars Aksel Opsahl <Lars.Opsahl at nibio.no> wrote:

> >From: postgis-users <postgis-users-bounces at lists.osgeo.org> on behalf of
> Shaozhong SHI <shishaozhong at gmail.com>
> >Sent: Monday, May 2, 2022 12:22 PM
> >To: PostGIS Users Discussion <postgis-users at lists.osgeo.org>
> >Subject: [postgis-users] Is there a better way for Finding Gaps/Sliver
> Holes?
> >
> >This solution does not appear to be well explained.
> >
> >Find Topology Error With PostGIS (khairu-aqsara.net)
> >
> >Has anyone tested it?
> >
> >Is there a better way for Finding Gaps/Sliver Holes?
> >
> >Regards,
> >
> >David
>
> Hi
>
> At https://github.com/larsop/find-overlap-and-gap
> we have code that checks for overlaps and gaps on simple feature polygons
> and creates a spatial tables with the results. We have used this code on
> tables  with millions  of rows.
>
> And yes we see gaps/overlap as polygons, lines and points .
>
> Lars
>
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