[Therion] Error visualisation data, drawing pdf

[Bruce Mutton]

26. 2. 2017 v 6:55, Bruce Mutton via Therion <therion at speleo.sk
<mailto:therion at speleo.sk> >:

 

Martin clarified that it would find typos like 1.23m, in place of 12.3m,
although where there is no sketch and no loop, I cannot work out how Therion
would know that.

 

>There is huge difference between stations position and local scale of image
calculated from positions of stations.

 

>BTW you may very simple create th2 file without walls just extract only
station lines from th2 file and save it under different name obviously with
identical header.

 

>Martin

 

So the debug is not used until the sketched location of stations is drawn.
That was my misunderstanding - I thought only the centreline was being used.

This method of finding typos or gross measuring errors will not be of use to
the typical NZ caver.  We are famous for never drawing to scale, that is
what we employ computers for!

Bruce

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