[Therion] data style problem

[Andrew Atkinson]

The Therion book p20 has this

data <style> <readings order> ◃ set data style (normal, topofil, diving, 
cartesian,
cylpolar, dimensions, nosurvey) and readings order. Reading is one of 
the following
keywords: station, from, to, tape/length, [back]compass/[back]bearing, 
[back]clino/
[back]gradient, depth, fromdepth, todepth, depthchange, counter, 
fromcount, tocount,
northing, easting, altitude, up/ceiling4, down/floor, left, right, 
ignore, ignoreall.


See Survex manual for details.

So trying this (from the survex manual v1.0.39)

data nosurvey from to
1	3

As found in the 2 sample files (the actual connection would require a 
large dataset to be sent)

The survex one produces a triangle, as I would expect the therion file 
gives the error


unsurveyed shot between unfixed stations

(adding a fix for station 1 and 3 gives the same error)

So this is acting differently from survex, or possibly does not work at 
all (or I just have got it wrong again!)

thanks

Andrew

PS expect an email on passage dimensions in centrelines, as that is 
really what I am working on, this was a little diversion
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