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</o:shapelayout></xml><![endif]--></head><body lang=EN-NZ link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>Paul<o:p></o:p></p><p class=MsoNormal>I expect this looks like something that is controlled at the TopoDroid end of the process.<o:p></o:p></p><p class=MsoNormal>Maybe try asking on a TopoDroid forum?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Bruce<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span lang=EN-US> Therion <therion-bounces@speleo.sk> <b>On Behalf Of </b>Paul Rowe<br><b>Sent:</b> Wednesday, 21 April 2021 09:49<br><b>To:</b> List for Therion users <therion@speleo.sk><br><b>Subject:</b> Re: [Therion] XVI output misaligned (rotated) from original TopoDroid sketches<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>Hi Bruce,<o:p></o:p></p></div><div><p class=MsoNormal>No, it's not magnetic declination. There is a fixed station in the survey for the entrance, and for this lat/long the declination is 20.5 degrees.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>You can see an example here, with the green splay generated from the TopoDroid sketch and the grey splay coming from the exported XVI layer:<o:p></o:p></p></div><div><p class=MsoNormal><img width=473 height=50 style='width:4.9236in;height:.5208in' id="Picture_x0020_1" src="cid:image003.png@01D739AB.E2CC7540"><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>The XVI difference is -1.1 degrees. That's about the difference between true north and grid north at this location on the NZGD2000 maps. I have tried exporting using 'north grid' and 'north true' but that hasn't made a difference.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Not sure if anyone has tried generating an XVI and putting it under the TopoDroid sketch to compare them?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Cheers,<o:p></o:p></p></div><div><p class=MsoNormal>Paul<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Wed, 21 Apr 2021 at 08:19, Bruce Mutton <<a href="mailto:bruce@tomo.co.nz" target="_blank">bruce@tomo.co.nz</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi Paul<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>The misalignment is not matching the magnetic declination by any chance?<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Or the difference between a manual declination setting in either application and an automatically calculated declination based on a cs setting?<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I have not used TopoDroid since it was able to export sketches, so not much help, and have forgotten much of what I did know anyway.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Bruce<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div style='border:none;border-top:solid windowtext 1.0pt;padding:3.0pt 0cm 0cm 0cm;border-color:currentcolor currentcolor'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US>From:</span></b><span lang=EN-US> Therion <<a href="mailto:therion-bounces@speleo.sk" target="_blank">therion-bounces@speleo.sk</a>> <b>On Behalf Of </b>Paul Rowe<br><b>Sent:</b> Tuesday, 20 April 2021 10:43<br><b>To:</b> List for Therion users <<a href="mailto:therion@speleo.sk" target="_blank">therion@speleo.sk</a>><br><b>Subject:</b> [Therion] XVI output misaligned (rotated) from original TopoDroid sketches</span><o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi,<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I'm just trying out TopoDroid for the first time as the source for scraps in Therion. I can view the th2 scraps in Therion and can see the stations and splays.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>However, if I then output to XVI and add the XVI as a background image in Therion, the XVI is misaligned. The scale is correct and I just manually move the background XVI image to line up with one of the stations in the scrap. The XVI layer is rotated slightly (1 or 2 degrees) and then doesn't line up across the rest of the sketch imported from TopoDroid.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Has anyone run into this? I thought it might be a difference between true north and grid north, but exporting to XVI with north set to true or grid doesn't fix the issue.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>The XVI layer isn't strictly necessary as the stations and splays are already visible in the TopoDroid sketch output. It does make me worry that there's some underlying problem though that I need to fix.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thanks,<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Paul Rowe<o:p></o:p></p></div></div></div></div><p class=MsoNormal>_______________________________________________<br>Therion mailing list<br><a href="mailto:Therion@speleo.sk" target="_blank">Therion@speleo.sk</a><br><a href="https://mailman.speleo.sk/listinfo/therion" target="_blank">https://mailman.speleo.sk/listinfo/therion</a><o:p></o:p></p></blockquote></div></div></body></html>