[postgis-users] DE-9IM pattern string for end of a line meeting start of another line

[Alexandre Neto]

I would work with ST_startpoint and ST_endpoint

A segunda, 9/05/2022, 20:05, Martin Davis <mtnclimb at gmail.com> escreveu:

> The DE-9IM model isn't able to express line direction.
>
> On Mon, May 9, 2022 at 11:42 AM Shaozhong SHI <shishaozhong at gmail.com>
> wrote:
>
>> The DE-9IM pattern string for two lines meeting at both end is found to
>> be FF1F0F1F2.
>>
>> Is it possible for DE-9IM to have a pattern string for end of a line
>> meeting start of another line?  Namely, they share a node.
>>
>> Regards,
>>
>> David
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