[Therion] How to combine two maps

[Martin Sluka]

Simply create higher survey in which you input all your caves and use it as source for export. 

This is on of main principles of Therion. 

Martin S. 

Odesláno z iPhonu

16. 2. 2018 v 20:19, Bill Gee via Therion <therion at speleo.sk>:

> Hello everyone -
> 
> I am sure someone has come across this problem.  I looked all through the 
> Therion Book and the online Wiki, but did not find anything that looked 
> useful.
> 
> We've been surveying a cave for several years now.  It is a tough cave.  The 
> map is now a bit over 10,700 feet (3,261 meters).  There are several nearby 
> caves that have been getting mapped as time permits.  They have been treated 
> as separate projects, each with their own map.
> 
> Last weekend a human-passable connection was discovered between the big cave 
> and one of the nearby caves.  It is only for small humans, but it has been 
> traversed.  The centerline survey should be done the next time we go out 
> there.  It will only take a few more stations to survey the connection.
> 
> First question:  Is there a way to combine the two maps so that Therion treats 
> them as a single map?  I don't want to have to redraw over 300 meters of cave!  
> I suppose I could simply add the th2 files of one cave to the other.  Is that 
> the usual method?
> 
> Second question:  We have GPS coordinates of the two entrances.  Is it 
> possible to specify both sets in the centerline data?
> 
> Third question:  As I said, there are several smaller caves nearby.  It would 
> be useful to have them all displayed on the same printout.  Is there a way to 
> tell Therion to import a map and place it on the drawing using GPS coordinates 
> to maintain scale distance?
> 
> Thanks!
> 
> -- 
> Bill Gee
> 
> 
> 
> 
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