[postgis-users] A table of DE-9IE patterns and types of topological relations

[Paul Ramsey]

https://postgis.net/workshops/postgis-intro/de9im.html

> On Apr 14, 2022, at 4:35 PM, Shaozhong SHI <shishaozhong at gmail.com> wrote:
> 
> The use of ST_Relate appears very attractive.  However, there appears not yet a table detailing DE_9IE patterns and types of topological relations.
> 
> There also appears that not much literature on the use of it for data quality assurance or things like deriving quality data from raw data.
> 
> Can anyone enlighten me?
> 
> Regards,
> 
> David
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