[Therion] Bug with uncertainty on fixed station on windows 10?

[Bruce Mutton]

Xavier
I don't have any insights, but can confirm on my Windows 10 machine, your files compile fine with 5.3.14, 5.3.15, 5.3.16 but crash as you describe with 5.4.1 and with recent 153d718 snapshot.  I did not check to see whether the output looked sensible or not.
I notice that my older versions report not finding Cavern, which is installed, but is from a recent Survex 1.2.43, so that could explain it.
Bruce

-----Original Message-----
From: Therion <therion-bounces at speleo.sk> On Behalf Of Xavier Pennec
Sent: Wednesday, 9 September 2020 09:18
To: 'List for Therion users' <therion at speleo.sk>
Subject: [Therion] Bug with uncertainty on fixed station on windows 10?

Dear all,

I have a problem with the last version of therion (after 5.3.15) on windows 10 with fixed points endowed with a stddev.  The very short example attached is ending with an error on the step "processing survey data" without leaving any trace (no log file, even with the -d flag). I could just catch the attached screen capture on the fly before it crashes. Same thing is happening with Therion 5.4.4, 5.4.2 and 5.4.1
(5.3.15 does not crashes but provides wrong results probably due to the version of survex which is too recent). However, the attached example works well on ubuntu with Therion 5.4.1 (with Survex 1.2.33) on a friend's computer.

Curiously, every thing works well on my windows 10 if I comment out the std dev on the fixed points... But I really need this uncertainty as the gps measures along a cliff are very uncertain due to reflections.

Any idea of what is going wrong and how to get around?

Thank you for any clue...

best

Xavier

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