[postgis-users] polygon minimum width

[strk]

On Thu, Oct 01, 2009 at 10:35:17PM -0700, Kevin Neufeld wrote:

> But you are still going to have problems at the head and mouth of the 
> river.  There, the left and right banks touch, so the minimum distance 
> between the left side of the river and right side of the river is zero. 

You'll need to cut head and mouth. ST_Intersection is your friend here,
but still needs you to draw/define the clipping polygon.

--strk;

 Free GIS & Flash consultant/developer      ()  ASCII Ribbon Campaign
 http://foo.keybit.net/~strk/services.html  /\  Keep it simple!