<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><br class=""><blockquote type="cite" class="">21. 4. 2021 v 11:41, Tarquin Wilton-Jones via Therion <<a href="mailto:therion@speleo.sk" class="">therion@speleo.sk</a>>:<br class=""><br class=""><blockquote type="cite" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">I have found that stopping the walls on both sides<br class="">of the passage in a single scrap will upset kml generation.<br class=""></blockquote><br class="">Absolutely. I have reproduced the problem on a small scale like this.<br class=""></blockquote><br class=""><div class="">This should solve your problem. Anyway, if you will try to imagine such situation as missing wall in passage is it is not real. There should be some kind off wall to circumscribe passage (emty space) from bedrock.</div><div class=""><br class=""></div><div class="">M.</div><div class=""><br class=""></div><div class=""><img height="424" width="664" apple-width="yes" apple-height="yes" apple-inline="yes" id="1E8D2971-2349-4870-8537-E0C8DE683920" src="cid:DD4989B8-5134-4FDE-BB84-FD9E63DEE0C4" class=""></div></body></html>