[Therion] Loop closure algorithms

[Saeid Bostandoust]

Thanks wookey, is it better to install survex and using survex loop closure algorithm or not?
 

    On Thursday, July 20, 2017 2:47 AM, Wookey via Therion <therion at speleo.sk> wrote:
 

 On 2017-07-19 18:56 +0000, Saeid Bostandoust via Therion wrote:
> Hi, what is loop closure algorithm(s) used in therion core?

If survex is installed therion uses the survex loop closure
algorithm. If not it uses its own which is somewhat less sophisticated.

> Can some body explain an algorithm for me?

The survex process is mostly documented here (in some very old docs,
but nothing much has changed in the core algorithm):
http://csg.bcra.org.uk/surveynotes.html More details on how instument
standard deviations are specified and used is given in the survex manual.

Not sure if the therion algorithm is documented in detail.

> If these are more than one algorithms used in therion, how can i choose and
> change default loop closure algorithm?

Installing or not-installing survex switches the algorithm. Not sure
if there is a way of forcing one or the other algorithm without doing that..

Wookey
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