On Mon, May 31, 2010 at 10:27 PM, Paragon Corporation <l...@pcorp.us> wrote:
> On that thought. Remember how geometry intersects performance significantly > increased with prepared geometry algorithm, are we using that same kind of > prepared geometry logic for geography. No, we are not. The algorithm is currently brute force O(nm). My ideas are very similar to the prepared geometry approach, but with some changes necessary to work in spherical land (like, what are the index leaves? not rectangles...) P. _______________________________________________ postgis-users mailing list postgis-users@postgis.refractions.net http://postgis.refractions.net/mailman/listinfo/postgis-users