Construct a polygon from the two lines and calculate the area inside? Have some magic number denoting an acceptable length/area ratio that scales the limit appropriately. There's a few nasty edge cases, though.
On Fri, Jan 4, 2013 at 2:44 PM, Paweł Paprota <[email protected]> wrote: > Hi Andrzej > > On 01/04/2013 03:37 PM, andrzej zaborowski wrote: > > If the number of nodes in a way didn't change you could optimize by just >>> comparing them coordinate by coordinate. >>> >> >> I was thinking you could take the maximum of every node's distance >> from the other way. It should yield the same metric as ST_Buffer >> would. >> >> > I tried that by using ST_MaxDistance but it fails for some cases where the > maximum distance is actually quite large even though the linestrings are > near each other. > > Paweł > > > ______________________________**_________________ > dev mailing list > [email protected] > http://lists.openstreetmap.**org/listinfo/dev<http://lists.openstreetmap.org/listinfo/dev> >
_______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/listinfo/dev
