[postgis-users] Get more polygon's exterior boundary

Kis János Tamás kjt at takarnet.hu
Fri Mar 28 01:50:51 PDT 2008


csütörtök 27 március 2008 14.51 dátummal "Nicolas Ribot" 
<nicky666 at gmail.com> ezt írta:
> ...
> (yours is not a valid polygon because of the (10,20) last
> coordinates pair in the first ring, if you wanted to express the
> union of all polygons).
> ...
It was a keyboard misstake... ;)

> ...
> select st_astext(geomunion(the_geom)) from try;
> ...
Thanks!
...and why I didn't see the "geomunion" function in the documentation?

Regards,
kjt



McAfee SCM 4.1 által ellenrizve!


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