[postgis-commits] svn - r3831 - trunk/liblwgeom

[postgis-commits at postgis.refractions.net]

Author: mcayland
Date: 2009-03-10 09:26:09 -0700 (Tue, 10 Mar 2009)
New Revision: 3831

Modified:
   trunk/liblwgeom/lwgunparse.c
Log:
Augment comment related to Paul's fix for GBT#130 as I'm bound to forget why we decided to do this at a later date...


Modified: trunk/liblwgeom/lwgunparse.c
===================================================================
--- trunk/liblwgeom/lwgunparse.c	2009-03-10 16:24:50 UTC (rev 3830)
+++ trunk/liblwgeom/lwgunparse.c	2009-03-10 16:26:09 UTC (rev 3831)
@@ -348,7 +348,12 @@
                 	dimcount++;
        	 	}
 
-        	/* Check if they are the same... */
+        	/* Check if they are the same...
+
+		   WARNING: due to various GEOS bugs related to producing rings with incorrect
+                   3rd dimensions, the closure check here for outgoing geometries only checks on 2
+		   dimensions. This is currently different to the parser! */
+	
         	if (
              (first_point[0] != last_point[0] || first_point[1] != last_point[1] ) &&
 			 (current_unparser_check_flags & PARSER_CHECK_CLOSURE))