[postgis-users] line_interpolate_point does not return a point that intersects the line

strk strk at keybit.net
Mon May 3 01:24:38 PDT 2010

On Mon, May 03, 2010 at 06:15:14PM +1000, Francis Markham wrote:
> Mmm, so it is a floating point issue - the distance is 9.57711783686133e-12
> meters.  Is there anyway to specify a tolerance for ST_Intersects and
> similar predicates?

You may use DWithin() for a tolerance-based intersection approach.
No built-in tolerance for others.


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