And from where poor Therion should  recognize what is the entrance of cave? 
Station 1, or station 15, or … Any station which ends a branch could be 
entrance theoretically.

m.


> 6. 3. 2015 v 21:25, Bruce <bruce at tomo.co.nz>:
> 
> >if there isn’t entrance definition Therion calculates altitude difference 
> >from bottom most or from upper most station.
>  
> ????? 
> And what if there is an entrance defined?  Or many entrances at various 
> altitudes?  Or many caves defined for that matter?  What does Therion do?  (I 
> have not often checked, but any anomalies I found I assumed were my mistakes).
>  
> Surely the best estimate Therion can make of cave depth is always the 
> altitude difference between the bottom-most and top-most station of the caves 
> selected for export?
> (ignoring for now niceties of splays or up-down dimensions)
>  
> Bruce
>  
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