[postgis-users] postgis 1.4 and curves

[Mark Cave-Ayland]

Mario Jurcevic wrote:

> Hello,
> postgis 1.4 has suport for curved polygons that is great, but not the
> functions like st_union,st_intersection.
> Is planned that this functions will support curves?
> I tried a workarround transofrming curves to lines with:
> set_union( st_linetocurve( st_curvetoline(the_geom) ) ) but the resulting
> geometry has arcs modified in a strange
> way, it always add a little segment at the beginning or end of the original
> curve.
> 
> Maybe a bug in st_linetocurve?
> 
> Thanks
> 
> Mario

Hi Mario,

The ST_LineToCurve/ST_CurveToLine functions have had a lot of work done 
on them for 1.4, however we can't really help you much without a test 
case :)


ATB,

Mark.

-- 
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation plc - control through freedom
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