[postgis-users] Unique Coverage

Dylan Lorimer edylan at google.com
Mon May 5 09:40:29 PDT 2008


> If two geometries overlap, which one would you take?  I assume you would
> leave all out of an overlapping set except for one or would you be taking
> the non-overlapping sections?
>
>
Hi Regina,

Good question. I think I answered my own question. I tool the MemUnion of
all polygons and then computed that area, which I think should produce the
unique coverage I am seeking.

Cheers,
dylan
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/postgis-users/attachments/20080505/b2525cb7/attachment.html>


More information about the postgis-users mailing list