<html><body><div>Michael,</div><div><br data-mce-bogus="1"></div><div>The th file with centerline is not centerline you used when sketching in PocketTopo.</div><div><br data-mce-bogus="1"></div><div>So there is not possible to assign stations from your sketch to stations in your centerline.</div><div><br data-mce-bogus="1"></div><div>Correct way could be to connect both centerlines in another th file one level higher and command "equate"</div><div><br data-mce-bogus="1"></div><div>equate <a href="mailto:SA09@fomer">SA09@</a>old_survey <a href="mailto:1.0@new">1.0@new</a>_survey</div><div><br data-mce-bogus="1"></div><div>A scrap is a continuous small piece of cave. To define discontinuous scrap with holes is not the best idea. I attached your th2 file divided to 8 scraps, but there are not stations defined in centerline so the map is not possible to export.</div><div><br data-mce-bogus="1"></div><div>Any scrap must be calibrated (georeferenced) either by at least two stations or scaled in scrap section. The section was not scaled, so I did it too. It is good idea to add all stations belonging to a scrap to that scrap first.<br><br>You may use "Convert to curve" command in Line section to smooth your walls and other lines.</div><div><br data-mce-bogus="1"></div><div>In your scrap there are several empty lines and lines with only one point. Delete them.</div><div><br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div><br>On Nov 26, 2017, at 12:42 PM, Michael via Therion <therion@speleo.sk> wrote:<br><br></div><div><blockquote type="cite"><div class="msg-quote"><div class="_stretch"><span class="body-text-content">Hello,<br>After tedious search through 100s of Scraps I have now isolated the one (SA9.th2) scrap which crashes Therion in<br>extern/poly2tri/sweep/../common/shapes.h<br>It's attached together with an excerpt of the survey data.<br>Admittingly, the walls are not drawn very well, but after fixing and completing the walls (not done in attached sample) it still<br>crashes Therion.<br>May this example be a test case for developers to improve Therion's robustness.<br>BTW, it also crashes older Therion releases.<br><br>Cheers,<br>Michael.<br><br>-----Ursprüngliche Nachricht-----<br>Von: Michael [mailto:knollesimage@t-online.de] <br>Gesendet: Samstag, 4. November 2017 14:48<br>An: 'List for Therion users' <therion@speleo.sk><br>Betreff: Therion crashes in shapes.h when generating 3D<br><br>Hello,<br>Seeking advice from Therion developers how to track down the cause of attached crash report, and apply possible workaround.<br>Only happens when generating 3D of any format.<br>Producing plans (pdf, kml) works.<br>I'm running Therion 5.4.1 on Windows 7.<br>The crash seems unrelated to the last scrap processed before the crash, because when I exclude that scrap, it crashes after approx.<br>the same time with a different one.<br><br>Any help appreciated,<br>Michael.<br></span></div><div><Therion-Crash.jpg></div><div class="_stretch"><span class="body-text-content">_______________________________________________<br>Therion mailing list<br><a href="mailto:Therion@speleo.sk" data-mce-href="mailto:Therion@speleo.sk">Therion@speleo.sk</a><br><a href="https://mailman.speleo.sk/listinfo/therion" data-mce-href="https://mailman.speleo.sk/listinfo/therion">https://mailman.speleo.sk/listinfo/therion</a><br></span></div></div></blockquote></div></body></html>