[postgis-users] Size of geometry issue

Shaozhong SHI shishaozhong at gmail.com
Tue Aug 8 15:48:38 PDT 2023


Hi, Regina,
It did not work.
Regards, David

On Tuesday, 8 August 2023, Regina Obe <lr at pcorp.us> wrote:

> Are you running GEOS > 3.9.
>
>
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> If so maybe ST_Union with a gridsize might work better for you needs over
> ST_Collect
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> https://postgis.net/docs/ST_Union.html
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> There are also a number of precision reduction functions
>
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> https://postgis.net/docs/ST_SimplifyPreserveTopology.html
>
> https://postgis.net/docs/ST_SnapToGrid.html
>
>
>
> come to mind
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> *From:* postgis-users [mailto:postgis-users-bounces at lists.osgeo.org] *On
> Behalf Of *Shaozhong SHI
> *Sent:* Tuesday, August 8, 2023 5:46 PM
> *To:* PostGIS Users Discussion <postgis-users at lists.osgeo.org>
> *Subject:* [postgis-users] Size of geometry issue
>
>
>
> St_collect is used and size issue may cause the problem.
>
>
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> If just their relationship needs to be depicted, how can the size of
> geometry be reduced?
>
>
>
> Regards,
>
>
>
> David
>
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