[postgis-users] ST_OffsetCurve

[Andreas Neumann]

> I guess you could just collect the results of two ST_OffsetCurve
> calls to obtain what you call "open buffer".

 yes, that would work.

>> The single sided buffers are already available in GEOS and Postgis,
>> right?
>
> They are available in GEOS, not yet in PostGIS I'm afraid.

 ok - can you do an estimate on that one as well?

>> Any estimates how much work (hours/money) it would be to improve the
>> patch and also do the tests and documentation?
>
> I belive it'll take around 10 hours, which would cost me 600 EUR.
> It'd take 5 funders (120 EUR each) or 2 funders (300 EUR each).

 ok - that is reasonable. We can pay for that - no need to split it up. 
 Let's get in contact off-list.

 I hope that someone else can pay for the single-sided buffer to be 
 available in Postgis? Any takers?

 Andreas

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 Andreas Neumann
 Böschacherstrasse 10A
 8624 Grüt (Gossau ZH)
 Switzerland