both not. I need great accuracy and can't use postgis. Jacolin Yves a écrit : > Le Tuesday 18 December 2007 15:25:00 Guillaume Sueur, vous avez écrit : >> Hi list, >> >> I'm building a piece of software using a queryByShape to retrieve all >> administrative boundaries covered by a specific layer. I have severe >> performance issues when the layer's shape is spatially wide and >> geometrically precise (many coordinates). Is there a way to improve the >> performances ? I thought using shptree on both shapes could help, but >> apparently not. Any clue ? >> >> Thanks > > Why don't you use a simplified layer of administrative boundaries for your > search? Or use a postgis table as you are using a huge layer data (Huge data > is better and faster accessed in a postgis layer than in a shape file as the > connection time is shorter than the request)? > > If you need great accuracy, I have no clue, sorry ;) > > Y.
-- Guillaume SUEUR Expert SIG et OpenSource NEOGEO 46 RUE MATABIAU 31000 TOULOUSE 06 65 58 88 82 Site web : http://www.neogeo-online.net
