[postgis-users] Retrieve the portion of line external to polygon

[Thomas Gratier]

Hello,

st_snap() function is in the 2.0 future release.

You find informations about this function in the trunk documentation
http://postgis.refractions.net/documentation/manual-svn/reference.html
and for the particular function you're looking for
http://postgis.refractions.net/documentation/manual-svn/ST_Snap.html

Regards

ThomasG
GIS specialist
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