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

[Kis János Tamás]

péntek 28 március 2008 14.13 dátummal "Obe, Regina" 
<robe.dnd at cityofboston.gov> ezt írta:
>
> Probably because its been more or less deprecated.
>
> For newer versions of PostGIS use ST_Union instead of geomunion.
>

When I was looking for a corresponsive function I saw the 
ST_Union(geometry,geometry) and ST_Union(geometry set).
I think the 1st function use only two geometry so is not too good...
and I couldn't to use the 2nd function...
If you guess that I need either for me, will you help?

Regards,
kjt


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