[Therion] Joining old and new surveys

Martin Sluka martinsluka at mac.com
Fri Feb 27 10:11:48 CET 2015


I may do it directly, only to add units definition in Therion.

Compass data are very small subset of Therion’s. .dat file of Compass needs only to add survey, team, date, declination, … and centerline at the beginning and endcenterline, endsurvey at the end.  And add data normal at beginning od data definition line and probably ignoreall at the end of data definition line.
If you are able to convert Compass to Survex, there should be no any problem to add conversion from .dat file to .th file.

m.s.


> 23. 2. 2015 v 13:38, Footleg <drfootleg at gmail.com>:
> 
> If you are genuinely processing Compass data which was originally measured in feet and inches, then use that format in your Therion data files and just tell Therion which units your data is in. If however you are working with data that was stored in Compass but originally surveying in metric, then you can use my cave converter program to convert Compass data to Survex data. Not quite Therion format, but very close and you can cut and paste the numbers from the Survex file into Therion files. This will convert the data back to metric from the imperial units saved in a Compass file.
> 
> http://wscc.darkgem.com/caveconverter/ <http://wscc.darkgem.com/caveconverter/>
> 
> Footleg
> 
> On 17 February 2015 at 14:50, Martin Sluka <martinsluka at mac.com <mailto:martinsluka at mac.com>> wrote:
> 
> > 17. 2. 2015 v 13:34, Graham Mullan <graham.mullan at coly.org.uk <mailto:graham.mullan at coly.org.uk>>:
> >
> > One always has to remember, however, that Compass natively stores all linear
> > measurements in feet and decimal feet, not in metres. This is the case however the
> > data is inputted. I have accidentally ended up with some alarmingly long caves before
> > remembering this!
> 
> Therion may too. :)
> 
> m.s.
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