[postgis-users] ST_LineMerge

[Imre Samu]

And some workarounds:
*"How to join linestrings without reversing directions in PostGIS"*
https://gis.stackexchange.com/questions/353565/how-to-join-linestrings-without-reversing-directions-in-postgis

Imre


Imre Samu <pella.samu at gmail.com> ezt írta (időpont: 2022. márc. 2., Sze,
14:33):

> > It appears that ST_LineMerge alters the sequence of vertices
>
> probably related:
> "Add possibility to merge lines without changing order of points."
> https://trac.osgeo.org/postgis/ticket/4939
>
> Regards,
>  Imre
>
>
> Shaozhong SHI <shishaozhong at gmail.com> ezt írta (időpont: 2022. márc. 2.,
> Sze, 14:21):
>
>> It appears that ST_LineMerge alters the sequence of vertices when a set
>> of line geometries that meet at ends are merged together.
>>
>> ST_LineMerge (postgis.net) <https://postgis.net/docs/ST_LineMerge.html>
>>
>> Any robust way to do the following?
>>
>> Given a set of lines that meet at ends
>> Generate a new line by merging these together and maintain the original
>> order of vertices
>>
>> Regards,
>>
>> David
>> _______________________________________________
>> postgis-users mailing list
>> postgis-users at lists.osgeo.org
>> https://lists.osgeo.org/mailman/listinfo/postgis-users
>>
>
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