El Jueves, 10 de octubre de 2013 13:16:42 Jaak Laineste escribió:
> Isn't there really better solution than dual-transformation? [...] Good 
> solution would be to implement buffer function from latitude/longitude 
> directly, say buffer(lat,lon,buffer_meters).  Any takers?

Actually, what you want is a buffer(lat, lon, degrees) algorithm that works on 
polar coordinates on a topological sphere/geoid (as opposed to cartesian 
coords on a plane).


But if PostGIS geography hasn't implemented that, my bet is that no one has. 
Yet.


Best,
-- 
Iván Sánchez Ortega <i...@sanchezortega.es>

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