[postgis-users] Can DE-9IM patterns distinguish types of line meeting line at ends?

[Martin Davis]

No.

On Sat, Jul 9, 2022 at 2:56 PM Shaozhong SHI <shishaozhong at gmail.com> wrote:

> Line and line meeting at an end point can be found with a DE-9IM pattern.
> Can it be used to find different types of line and line meeting at an end
> point?
>
> For instance,
>
> Type A:  The end point of a line meets with the start point of a line
> Type B:  The start point of line A meets with the start point of line B
>
> Regards,
>
> David
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