Thanks Bruce. I have commented all the splays "extend ignore", and Therion is doing now a good job, ignoring the appropriate leg (extend ignore 83 92). All the splays "extend ignore" was confusing the Therion compiler. This data is an export from Topodroid, that incorporates the "extend ignore" command before the splays shots. I will comment to Marco Corvi on the problem. Bruce, I had already read your excellent wiki about Extended Elevation and the Marco Corvi’s altervista web pages on extended elevations in relation to loops <http://marcocorvi.altervista.org/caving/tbe/m_04/m_044.htm>, but I had not managed to solve the problem. Best regards, Evaristo. El 06/06/2018 a las 21:53, Bruce Mutton via Therion escribió:
Evaristo
An interesting situation. I have not tried to compile your data, but notice you have extend ignore prior to each set of splays.
I don’t think extend ignore has any useful function with respect to splays (but I am not sure).
I suspect what you have done is effectively follow ‘extend ignore’ with ‘extend left’ without any non-splay legs in between. Possibly a confusing situation for Therion. Have a look at my understanding here <https://therion.speleo.sk/wiki/extend#summary_of_all_extend_options_for_survey_centrelines> (although it does not yet consider splays at all, or inverse (backsight) legs properly).
What happens if you remove all the extend ignores prior to the splay legs?
Bruce
*From:*Therion <therion-bounces@speleo.sk> *On Behalf Of *Evaristo Quiroga via Therion *Sent:* Thursday, 7 June 2018 5:40 AM *To:* therion@speleo.sk *Cc:* Evaristo Quiroga <eqr@ecgracia.com> *Subject:* [Therion] Conflict between "extend ignore" command and inverse legs
Hi,
I usually do my surveys doing inverse measures. I go ahead by positioning the points, and doing the measurements with the distoX2 looking back (inverse) and finally do the splay measurements at that destination point. My assistant is in origin point, and don't have survey experience, is only putting the target in the anterior point . With this I get all the data (leg and from and to splays) to be able to draw the sketches.
You can look a example the data results:
extend left 82 81 10.47 147.7 1.4 extend ignore 82 . 0.53 230.7 1.2 82 . 1.85 66.3 -6.5 82 . 1.19 45.5 60.1 82 . 0.65 300.5 -88.8 82 . 2.76 105.7 -5.8 82 . 4.54 127.2 -0.9 82 . 5.86 132.4 -2.1 82 . 1.52 182.2 -8.3 82 . 4.45 156.5 -3.0 82 . 2.62 20.4 -9.8 82 . 2.39 311.0 -6.3 82 . 3.95 324.1 -6.9 extend left 83 82 7.95 146.4 1.4 extend ignore 83 . 0.35 235.9 1.0 83 . 1.87 38.5 -6.1 83 . 0.94 5.9 76.3 83 . 1.06 40.4 -80.9 83 . 4.49 117.2 -5.0 83 . 2.61 85.7 16.9 83 . 2.87 107.9 -6.0 83 . 2.98 154.2 -11.3 83 . 3.94 148.4 -3.6 83 . 5.92 127.1 -5.7 83 . 3.67 327.8 -5.8 83 . 4.40 300.2 -12.5 83 . 2.65 334.7 -20.5 83 . 5.62 132.6 3.5 extend left 84 83 8.40 132.5 3.5 extend ignore 84 . 1.39 215.1 23.4 84 . 2.51 101.7 -0.8 84 . 1.89 195.1 67.5 84 . 2.00 100.7 -28.2 84 . 3.16 118.1 -2.7 84 . 4.68 149.7 1.0 84 . 5.15 62.5 2.7 84 . 2.12 33.9 -1.3 83 . 4.99 250.9 -7.6 extend left 85 84 5.03 234.4 -6.3 extend ignore 85 . 2.56 261.5 -0.7 85 . 1.34 276.4 31.0 85 . 1.05 282.5 -62.6 85 . 4.43 304.8 -1.1 85 . 5.80 314.2 -1.4 85 . 1.33 181.0 0.5 extend left 86 85 6.33 149.5 -2.0 extend ignore 86 . 1.19 252.8 -18.6 86 . 2.85 85.3 3.7 86 . 0.92 225.3 -84.7 86 . 2.23 136.3 10.5 86 . 3.96 135.4 -5.4 86 . 3.83 143.8 -8.1 86 . 2.25 203.4 -10.9 86 . 3.50 186.7 -8.6 extend left 87 86 3.05 187.0 -8.7 extend ignore 87 . 2.59 223.7 -18.5 87 . 1.09 32.0 -1.2 87 . 1.67 183.2 59.1 87 . 0.58 315.6 -83.5
extend right 88 87 7.46 330.8 -3.4 extend ignore 88 . 0.77 66.7 4.2 88 . 0.47 257.5 -7.8 88 . 2.56 326.1 74.5 88 . 0.41 247.0 -80.9 88 . 1.85 127.1 15.2 88 . 0.96 104.7 4.6 88 . 0.85 207.2 1.2 88 . 4.20 343.3 -16.6 extend right 89 88 2.20 349.0 -20.5 extend ignore 89 . 0.95 43.1 -5.6 89 . 0.72 62.1 82.7 89 . 0.39 99.4 -77.6 89 . 0.89 324.9 -26.4 89 . 1.43 359.5 -23.5 89 . 1.08 72.7 -9.7 89 . 1.59 105.4 -3.8 89 . 2.56 125.6 -5.7 extend right 90 89 1.39 300.3 -13.8 extend ignore 90 . 0.46 62.7 -3.4 90 . 0.50 245.3 1.2 90 . 0.48 246.5 70.4 90 . 0.70 300.2 -82.3 90 . 1.74 184.4 -12.0 90 . 3.09 169.6 -9.1 90 . 3.69 166.8 -8.2 90 . 2.02 152.3 -17.2 90 . 1.40 132.2 -19.0 extend right 91 90 5.71 340.7 6.0 extend ignore 91 . 0.96 37.0 2.2 91 . 1.04 40.9 58.3 91 . 0.29 34.5 -56.7 91 . 1.48 338.9 -0.1 91 . 0.99 331.4 2.8 91 . 1.07 3.2 3.6 91 . 3.51 345.8 0.1 extend right 92 91 2.04 305.9 4.0 extend ignore 92 . 1.47 305.9 -11.0 92 . 1.06 301.4 45.1 92 . 0.43 339.3 -76.8 92 . 1.17 348.7 1.3 92 . 0.56 16.6 -9.2 92 . 0.57 270.9 -8.5 92 . 1.99 270.1 -7.4 92 . 1.56 230.3 -14.0 extend right 83 92 4.24 71.7 18.0 extend ignore 83 92
extend left 93 87 3.12 123.4 7.5 extend ignore 93 . 1.79 225.3 -3.2 93 . 1.70 49.9 -3.0 93 . 1.18 100.0 78.0 93 . 3.21 169.9 -2.6 93 . 2.09 88.5 -2.4 93 . 2.36 14.0 -2.1 93 . 3.78 347.3 1.9 93 . 3.62 300.1 -2.1 93 . 2.32 278.7 -3.8
In this data I have a loop. The main passage is: 82-83-84-85-86-87-93. And the secondary passage is: 87-88-89-90-91-92-83.
When I compile the data and produce a XVI file, Therion is making the secondary passage the main centerline, breaking the main passage leg "87 93".
I have tried to break the secondary passage with "extend ignore" commands and is unsuccessful. I also tried to rename the connection station and make "equate" sentence, and also is unsuccessful. I have also interchanged the from and to station order.
I thinks is a problem with the inverse legs data and the "extend ignore" command.
To avoid the problem I rename the leg "83 92" to "83B 92" breaking the loop at the secondary passage. To export the plan I put and "equate 83 83B", and to export the extended profile I comment this sentence. It works but it is a bit cumbersome.
Someone has had similar problems with the "extend ignore" commands and has found some solution for its correct use?
Best regards,
Evaristo
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