Martin Davis wrote: > If the point is inside the polygon, the distance between them is 0. Hmm I do not understand, then nearest point should be along the boundary of the polygon.
> Can't get closer than that! > > You may want to try ST_ClosestPoint(ST_Boundary(poly), point) This worked, many thanks Dave. > > On 10/5/2012 12:10 PM, Dave Potts wrote: >> just tried a >> >> select st_closestpoint(poly,point) and got the result point >> >> The point is within a the closed polygon poly, the version is postgis >> 2.0 >> is there any sane reason why this behave in this manner. I had expected >> to the value of the x/y coordinate pair from the polylgon that is >> nearest >> to point, not the value of point! >> >> Any suggestions as what I might be doing wrong? or an suggestions for a >> better way of doing this? >> >> regards >> >> >> Dave. >> > > _______________________________________________ > postgis-users mailing list > postgis-users@postgis.refractions.net > http://postgis.refractions.net/mailman/listinfo/postgis-users > -- _______________________________________________ postgis-users mailing list postgis-users@postgis.refractions.net http://postgis.refractions.net/mailman/listinfo/postgis-users
