Hi, The points are not on the line, probably due to rounding errors.
st_contains(line, point) returns false. Nicolas On 28 October 2013 18:07, franco base <[email protected]> wrote: > Hi. > I have a set of linestring and point on linestring. > I want cut the linestring on the point. > I can have n points for one linestring, > so I use ST_Split > (insted of ST_Line_Interpolate_Point and ST_Line_Substring) > but it doesn't work. > > line;geom_line;point;geom_point > 7646;"0102000020BB0B000006000000A4703D0A471F37412D211F04AF335341FAEDEBE0491F3741325530C2AE335341BD5296014F1F37418FC2F578AE3353414694F606521F3741D2DEE07BAE3353412D211F74541F37418FC2F578AE33534123B9FC675020374112143FF6BC335341";11764;"0101000020BB0B00005713362F611F37410D996234AF335341" > 7646;"0102000020BB0B000006000000A4703D0A471F37412D211F04AF335341FAEDEBE0491F3741325530C2AE335341BD5296014F1F37418FC2F578AE3353414694F606521F3741D2DEE07BAE3353412D211F74541F37418FC2F578AE33534123B9FC675020374112143FF6BC335341";11769;"0101000020BB0B00005EF0DD584620374139BF2762BC335341" > 7646;"0102000020BB0B000006000000A4703D0A471F37412D211F04AF335341FAEDEBE0491F3741325530C2AE335341BD5296014F1F37418FC2F578AE3353414694F606521F3741D2DEE07BAE3353412D211F74541F37418FC2F578AE33534123B9FC675020374112143FF6BC335341";11762;"0101000020BB0B0000A5CBC785841F374156A2A33CB1335341" > > ST_GeometryType(St_Split(geom_line, geom_point)) > give "ST_GeometryCollection" > > but > > (ST_Dump(ST_Split(geom_line, geom_point))).geom > > return only 3 linestring (one for record) and the geometry is egual to > geom_line > > > thanks. > > fb > > _______________________________________________ > postgis-users mailing list > [email protected] > http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users _______________________________________________ postgis-users mailing list [email protected] http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users
