<div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr">HI Therion friends,<div><br></div><div>I'm working on a dataset with a friend, We have survex and Therion working independently, but putting the aven models [.3d] from the survex dataset and the therion dataset side-by-side we're coming out with differences. We nailed the x/y difference down somewhat with the magnetic corrections in the .th file due to dates.</div><div><br></div><div>But we're now left with a difference in the height/altitude between the two models.</div><div><br></div><div>The cave is a single entrance cave which is higher at the end (with a streamway 260-340m below), All of the differences are weird but the weirdest difference in altitude is in the middle, where there's a 60m difference in the survex/therion models, however further on at stream level, there is only a 20m difference [665 - 685]</div><div><br></div><div>#####</div><div>The models are kept at:</div><div>Survex: <a href="http://cave-registry.org.uk/svn/Andara/Tresviso/">http://cave-registry.org.uk/svn/Andara/Tresviso/</a></div><div>Therion: <a href="http://cave-registry.org.uk/svn/Andara/Tresviso/Nacimiento/therion/Nacimiento2020/">http://cave-registry.org.uk/svn/Andara/Tresviso/Nacimiento/therion/Nacimiento2020/</a></div><div>run therion using Nacimiento2020_master.thconfig</div><div>#####</div><div>I sent the following message to my friend to describe the issue:</div><div>#</div><div><span style="color:rgb(32,31,30);font-size:15px">"Hmm, I think the next thing to try and crack is the elevations. as I think there’s something going awry there, which might point us further towards the remaining 50m in n-s separation.</span><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)"><br></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)">On the .3d file generated from therion I get the following</div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)">Entrance= 470m</div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)">Dr2000stream_pina.23038= 665.30m</div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)">Terror_firma.6= 933.34m</div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)"><br></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)">On survex model I get:</div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)">Entrance= 480m</div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)"><span style="margin:0px;padding:0px;border:0px;font:inherit;vertical-align:baseline;color:inherit;background-color:rgba(255,255,255,0)">Dr2000_streamway2.23038= 685.26</span></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)">Terror_firma2.6= 1025.53</div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)"><br></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)">I really can’t answer the 10m diff at entrance, the 20m difference at stream level or 92m difference at the top.</div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)">Extrapolating down, Jurassic highway.0 is still 90m separation.</div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)">However, satan_dr2000.1202 is 41m separation (higher in survex).</div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)">Increases again to 66m sep at garden Eden.16 vs consort_climax.16E"</div></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)"><br></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)">If anyone can give me some help I would be thankful, as i'm confused!</div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)"><br></div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)">Regards,</div><div style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;vertical-align:baseline;color:rgb(32,31,30)">Alastair Gott.</div></div></div></div></div></div>