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<body class='hmmessage'><div dir='ltr'><br><br><div>> Date: Mon, 13 Apr 2015 20:50:47 +0100<br>> From: dave.potts@pinan.co.uk<br>> To: pgrouting-dev@lists.osgeo.org<br>> Subject: [pgrouting-dev] difference between st_convexhull and pgr_pointsAsPolygon<br>> <br>> Hi list<br>> <br>> I am doing some with the end results of a driving distance calculation, <br>> I can use either st_convexhull or pgr_pointsAsPolygon to turn the end <br>> results in to a polygon<br>> <br>> Q. What is the advantage of using pgr_pointsAsPolygon instead of using <br>> st_convexhull?<br>> <br>> regards<br>> <br>> Dave.<br>> _______________________________________________<br>> pgrouting-dev mailing list<br>> pgrouting-dev@lists.osgeo.org<br>> http://lists.osgeo.org/mailman/listinfo/pgrouting-dev<br><br>By inspecting pgRouting code, there is some checking taking place...<br><a href="https://github.com/pgRouting/pgrouting/blob/develop/src/driving_distance/sql/routing_dd.sql#L77" target="_blank">https://github.com/pgRouting/pgrouting/blob/develop/src/driving_distance/sql/routing_dd.sql#L77</a><br><br>But now that you are one it, does it give you different results?<br><br>Vicky.<br></div> </div></body>
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