The following linestring which I believed to be closed, and looks closed, in fact gives me false in reply to st_isclosed(geom). It's probably something very simple which is eluding me but I am at a loss why I get this result. I am using postgis 2.0, Win 7 64. Any suggestions?. Thank you
select ST_GeomFromEWKT ('SRID=2193;LINESTRING(1581855.1284829 5370000,1581884.80445 5369966.19158,1581887.30288 5369961.19296,1581902.69023 5369908.80888,1581907.78739 5369901.31078,1581945.46961 5369869.11694,1582053.42388 5369814.82165,1582068.01672 5369800.32473,1582058.81757 5369782.83187,1582041.22099 5369762.24115,1582016.32738 5369744.55038,1582008.82968 5369741.95223,1581956.34859 5369744.1582,1581886.27473 5369753.66394,1581876.27826 5369753.56525,1581858.78411 5369750.96838,1581848.78695 5369745.8714,1581826.49107 5369718.28368,1581829.1853 5369683.29527,1581789.4928 5369635.51667,1581784.59315 5369625.42075,1581782.09266 5369615.42448,1581782.19125 5369605.42788,1581762.49236 5369562.74497,1581757.49345 5369557.74732,1581727.60161 5369540.0572,1581717.6048 5369537.45937,1581690.11486 5369539.76211,1581654.93006 5369559.55987,1581644.93496 5369569.45777,1581639.8378 5369576.95587,1581612.24962 5369591.75436,1581597.25527 5369594.15546,1581584.66075 5369601.55455,1581569.56816 5369616.4514,1581567.06973 5369621.45002,1581564.37413 5369646.44183,1581581.67146 5369671.63101,1581614.16168 5369684.32251,1581626.55902 5369696.91662,1581628.95886 5369701.9146,1581628.95989 5369709.41204,1581626.36184 5369716.90982,1581603.67538 5369756.79911,1581598.57889 5369769.19553,1581595.8826 5369789.18905,1581558.00391 5369846.47434,1581532.81696 5369876.36736,1581527.72047 5369888.76378,1581522.42785 5369928.75081,1581494.84072 5369951.1467,1581492.24266 5369958.5445,1581492.04687 5369988.63425,1581488.15835779 5370000,1581855.1284829 5370000)') -- View this message in context: http://postgis.17.n6.nabble.com/Closed-linestring-is-not-closed-tp4998311.html Sent from the PostGIS - User mailing list archive at Nabble.com. _______________________________________________ postgis-users mailing list postgis-users@postgis.refractions.net http://postgis.refractions.net/mailman/listinfo/postgis-users