[postgis-users] Quick/unobstrusive way to determine if a geometry has curve elements?

Andrea Aime andrea.aime at geo-solutions.it
Thu May 7 06:23:12 PDT 2015


On Thu, May 7, 2015 at 3:21 PM, Sandro Santilli <strk at keybit.net> wrote:

> > Looks like there is still a wrinkle... one can build compoudcurve without
> > any arc in it, ST_HasArc will
> > return false, but ST_Simplify only check the geometry type and refuses to
> > work on it.
> > Shall I open a bug report/feature request?
>
> It would be a feature request.
>

Cool. How would you word it? I guess what we want here, to write generic
sql queries,
is a function that will tell us if the linear geometry functions can
process a certain geometry.
ST_IsLinearSafe(geom)?

Cheers
Andrea

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