[postgis-users] how can i convert xz in xy?

[Patricio Gigoux]

Hellow:
How could I convert from elevation xz in a pollygon xy, where I conserv 
the feature projection, is how a type of explode from 3d to 2d.
Whith Postgis obviously.
Thanks in advance

*Patricio Gigoux Méndez
*Ingeniero Civil Informático
Dirección de Obras Municipales - DOCTEC 
<http://s.wisestamp.com/links?url=http%3A%2F%2Fcatastro.munistgo.cl%2Fdoctec%2F>
I. Municipalidad de Santiago 
<http://s.wisestamp.com/links?url=http%3A%2F%2Fwww.municipalidaddesantiago.cl>
*Fono:* 27136284
*Email:*pgigoux at munistgo.cl 
<http://s.wisestamp.com/links?url=http%3A%2F%2Fpgigoux%40munistgo.cl%2F>
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