[postgis-users] Open buffers or parallel lines

[Andreas Neumann]

sure - I can wait - it's not that urgent.

Let me know if there is something to test.

Andreas

Simon Greener wrote:
> Regina,
>
>   
>> This might help
>>
>> http://trac.osgeo.org/postgis/wiki/UsersWikiplpgsqlfunctions
>>
>>  upgis_lineshift(centerline geometry, dist double precision)
>>
>> Though its simplified in the sense it bases on start and end points of
>> the linestring to do the shift.
>>
>> To do true shifting when you have very curvy lines or polygons - you'd
>> probably want to use Simon's approach.
>>
>> http://www.spatialdbadvisor.com/postgis_tips_tricks/128/exploding-a-line
>> string-or-polygon-into-individual-vectors-in-postgis/
>>
>> (hmm I though he had that wrapped more nicely in a function, but can't
>> find it).
>>     
>
> I have it partially built. Am away consulting. Could finish it next week if Andreas is prepared to wait.
>
> S
>