<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Tue, Feb 3, 2015 at 11:28 AM, BladeOfLight16 <span dir="ltr"><<a href="mailto:bladeoflight16@gmail.com" target="_blank">bladeoflight16@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div><div><div><div><div><div>I'm trying to create a polygon
overlay. The basic process is relatively simple: 1) Get the boundaries
2) Union the boundaries to node the linestrings 3) Polygonize the noded
outlines 4) Filter out holes using a contains or intersects test. The
problem I'm running into is that I'm getting "GEOSUnaryUnion:
TopologyException: found non-noded intersection between LINESTRING"
errors from ST_Union. <br></div></div></div></div></div></div></div></div></div></blockquote><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" class="gmail_quote"><div> </div></blockquote><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" class="gmail_quote"><div>[a lot snipped] <br></div></blockquote><div><br></div><div>I haven't seen any response to this. I was just wondering if anyone else had a chance or intentions to look this over. Granted, it's pretty long and involved (sorry for that), but I thought all the details I included were important. I do know it went through the mailing list; someone on IRC helped me find it in the... I guess it's not the archives; I don't know what it's called. But the online browsing mechanism. Thanks to anyone who's taking a look.<br></div></div></div></div>