What i mean by 3d buffer are i have a room which is like a box and i need to
find all the areas that this room Box that will intersect if the room are
extended and get larger....
buffer FROM (SELECT gid,buffer(r.the_geom,10) as buffer FROM room r WHERE
r.roomname='guest room') AS foo USING UNIQUE gid USING SRID=31467"
i need such query to take the 3d dimension in consideration and make it not
just only in 2d
Thanks
ihab
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