<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
span.EmailStyle18
{mso-style-type:personal-reply;
font-family:"Calibri",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-NZ link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Thanks Stacho, fast work.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The extend logging works, the scaled legs stand out nicely.<o:p></o:p></p><p class=MsoNormal><img width=218 height=209 style='width:2.2708in;height:2.1805in' id="Picture_x0020_3" src="cid:image001.png@01D671BF.FCB4D510"><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>My current project behaved exactly the same with c7d41d9 so I don’t think it broke anything.<o:p></o:p></p><p class=MsoNormal>Moving the scaled legs from in-line with the survey data, out to a separate centreline using…<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'>extend <ratio> <from> <to><o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'>extend <ratio> <station><o:p></o:p></p><p class=MsoNormal>…also worked perfectly.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I got a slight surprise in that ‘extend <ratio> <station>’ scales both the incoming and outgoing legs to and from that station, but then I realised that this is consistent with Therion’s treatment of other extend options ie as described in <a href="https://therion.speleo.sk/wiki/extend#summary_of_all_extend_options_for_survey_centrelines">/wiki/extend</a> ‘important note’ part way down the page.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have not tried extend ignore <3 station path> yet, but otherwise I think all the recent changes are sound.<o:p></o:p></p><p class=MsoNormal>I only noticed one slight change in ‘breaking’ behaviour when checking a sample of old projects. It is an unfinished project, so it is not too late for me to tidy up the change.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I may be out in a Therion desert for the next 10 days, but some time after that I should update the wiki extend page. Prod me if I forget.<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><p class=MsoNormal><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>Stacho Mudrak<br><b>Sent:</b> Thursday, 13 August 2020 08:50<br><b>To:</b> List for Therion users <therion@speleo.sk><br><b>Subject:</b> Re: [Therion] Extended elevations - development snapshot (commit 6860f82)<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><span style='font-family:"Tahoma",sans-serif'>Hi Bruce, thanks a lot for your feedback.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma",sans-serif'>I have added logging of extend ratio, when it is not 100%. Also I hope, I have enabled specification of ratio for given station/shot:<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma",sans-serif'>extend <ratio> <from> <to><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma",sans-serif'>extend <ratio> <station><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma",sans-serif'>Allowing the form extend [left <ratio>] would be much more parsing. I have also changed the allowed range to 0 - 200%.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma",sans-serif'>Extend ratios are applied to splays also - but in this case - extend ratio of nearest shot is taken for splay. I think, this way it is OK.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma",sans-serif'>Could you please check whether it is working now as expected (commit <a href="https://github.com/therion/therion/commit/c7d41d96ebc47a652243711489813635e58c64d3">c7d41d9</a>)?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma",sans-serif'>Thanks, S.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Tahoma",sans-serif'><o:p> </o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Wed, 12 Aug 2020 at 12:25, Bruce Mutton <<a href="mailto:bruce@tomo.co.nz">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-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>And it looks like the extend ratio is not reported when ‘log extend’ is set.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>It would be nice to have that if it is possible.<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><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>Bruce Mutton<br><b>Sent:</b> Wednesday, 12 August 2020 22:18<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] Extended elevations - development snapshot (commit 6860f82)</span><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><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Tahoma",sans-serif'>Stacho</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Tahoma",sans-serif'>> there is a possibility to specify reduction ratio for extended elevation (0 = vertical, 100 = normal left/right) - just use "extend <number>"</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Tahoma",sans-serif'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Tahoma",sans-serif'>I have made this work, by placing ‘extend <number>’ statements in-line with the survey data, but that seems to be the only way it will work. Every combination I could think of with the extend controls in a separate centreline or block results in an error.</span><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'>For an example I have managed to make this extended centreline…<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Tahoma",sans-serif'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Tahoma",sans-serif'><img border=0 width=529 height=221 style='width:5.5138in;height:2.2986in' id="gmail-m_-5397348235227442808Picture_x0020_1" src="cid:image003.png@01D671BF.FCB4D510"></span><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'>…into this by using strategically placed ‘extend 50’, ‘extend 100’, and ‘extend 75’, as well as an ‘extend vertical’. It now matches more closely what one would expect by looking at the plan view.<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'><span style='font-family:"Tahoma",sans-serif'><img border=0 width=494 height=235 style='width:5.1458in;height:2.4513in' id="gmail-m_-5397348235227442808Picture_x0020_2" src="cid:image005.png@01D671BF.FCB4D510"></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Tahoma",sans-serif'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Tahoma",sans-serif'>So it works very well, but the difficulty I have is that to make the extended elevation control manageable, it needs to be separated out (in one place) from the survey data, but now any control of the extend ratio must be in-line with the data. This makes it very confusing and difficult to manage. </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Tahoma",sans-serif'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Tahoma",sans-serif'>Is there any chance that the ratio could be controlled by statements in separate centrelines, as with left/right/vertical etc?</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Tahoma",sans-serif'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Tahoma",sans-serif'>Maybe by allowing the form ‘extend [left <ratio>] <station1> <station2>’ as an equivalent to the in-line statements ‘extend <ratio>’ and then ‘extend left’?</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Tahoma",sans-serif'>(I am thinking of similar syntax to ‘export map -projection [elevation 290 deg]’ where the square brackets are required if the default is not what is wanted).</span><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'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Tahoma",sans-serif'>The extend ratios are applied to splays as well as to legs, which is usually desirable, except sometimes where the ratio approaches zero. If the user is to control splay ratios separately to the legs, then I guess the only option is to put the extend ratio statements in-line.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Tahoma",sans-serif'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Tahoma",sans-serif'>And one more thing. The range is limited from 0 to 100%. If we are going to allow distortion of the extended elevation, then I think the upper limit should be something like 150% or 200%.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Tahoma",sans-serif'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Tahoma",sans-serif'>Bruce</span><o:p></o:p></p></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>