[postgis-users] Geometry precision
nicky666 at gmail.com
Thu Oct 18 08:17:52 PDT 2007
On 10/15/07, Paul Moen <pmoen at nd.gov> wrote:
> Is there any way to set a level of precision in postgis?
> I have one wkt defined as,
> POINT(23456.123456 987654.123456)
> I have another wkt defined as,
> POINT(23456.123461 987654.123500)
> The units are feet. Is there any way to get postgis to treat these points
> as equal since the distance between the points is less than .00005 feet. If
> these points do not equal intersections between adjacent polygons will give
> polygon slivers instead of a linestring.
> I realize that the functions are returning the actual results, I am just
> wondering if there is a way to store the information in the geometrys as a
> set precision and get back the geometry as a wkt with points having that
> same precision, ie 1000ths of feet.
> Paul Moen
> postgis-users mailing list
> postgis-users at postgis.refractions.net
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