[postgis-users] ST_OffsetCurve

[Paul Ramsey]

Hi Simon,
This is going to be one of those annoying "you should upgrade!" answers. You should upgrade! 
In particular, the new offset curve in the latest GEOS (3.10+) does not have this behaviour.
ATB,
P

> On May 4, 2022, at 11:32 PM, Simon Greener <simon at spdba.com.au> wrote:
> 
> I have a simple linestring that when i put it into st_offsetcurve a segment goes missing.
> 
> It must be something simple that I can't see... Help.
> 
> select ST_GeomFromEWKT('SRID=28356;LINESTRING(500307.696019595 6976743.9186081,500308.071454138 6976743.93737982,500308.409115531 6976743.97994064,500309.18401595 6976743.94236971,500309.644736808 6976743.81057794,500310.659151902 6976743.82466703,500311.203930379 6976743.92798709,500311.603 6976743.93)') as geom
> 
> 
> union all
> 
> 
> select ST_OffsetCurve(ST_GeomFromEWKT('SRID=28356;LINESTRING(500307.696019595 6976743.9186081,500308.071454138 6976743.93737982,500308.409115531 6976743.97994064,500309.18401595 6976743.94236971,500309.644736808 6976743.81057794,500310.659151902 6976743.82466703,500311.203930379 6976743.92798709,500311.603 6976743.93)'),0.02) as g
> 
> 
> Regards
> Simon
> 39 Cliff View Drive
> Allens Rivulet Tas 7150
> (W) 0418 396 391
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