[Therion] Formatting & Layout of .th and thconfig files

[Bruce Mutton]

Thanks Ben
I've been looking for structured examples of how to layout larger systems
(and get the basics done)
I'll study the file supplied with interest.
I probably should have checked the LRUD conventions before entering 700
shots!)
Bruce

-----Original Message-----
From: therion-bounces at speleo.sk [mailto:therion-bounces at speleo.sk] On Behalf
Of Cooper, Ben
Sent: Wednesday, 14 November 2007 12:17 p.m.
To: therion at speleo.sk
Subject: Re: [Therion] Printing xvi maps (done with pdf's)

Hi Bruce,
Yup - I remember struggling with the same problem, trying to understand
some of the basic description in The Book!  (One typical example: it
doesn't actually explain what an Extended Elevation is and its very
difficult to reverse engineer this from the explanations of how to
control extended elevations.)

I'm not sure I understand exactly where you are getting stuck, so
apologies if this is teaching you to suck eggs.  I create Maps in my
top-level UpperFlood.th file (the Source file), attached.  You will see
I have organised this into sections.  

You will see that I group the .th2 files against the associated .th
survey file.  So far, I have not added much detail within the cave, so
my "join" commands are very simple.  Therion's default interpretation
for joining scraps is excellent and it usually get's it right without
the need for complex join statements.  I haven't yet worked out how to
label particular points in a line for joining purposes!

The Maps section defines the maps that reference the scraps from the
various .th2 files.  I've struggled to understand exactly what Preview
Above / Below do; what Break does; when Surveys, Maps and Scraps can or
can't be included in a map.  So what you see here may not be "best
practice" but it works for me!  

The Map is then Selected in the thconfig file.  Each select statement
can have one map, but there can be multiple select statements.  Because
Therion is complex, there are often two ways of achieving the same goal.
You can create a higher-level Map that includes other Maps, so that you
only need one Select command in thconfig, OR, you can achieve the same
by Selecting all of the constituent maps in thconfig.

I've also struggled in the thconfig file with the Select command.
Unselect doesn't work for me, so I now have a number of different
thconfig files for different outputs, each of which selects particular
maps from UpperFlood.th.  

Regards,
- Ben

-----Original Message-----
From: therion-bounces at speleo.sk [mailto:therion-bounces at speleo.sk] On
Behalf Of Bruce Mutton
Sent: 13 November 2007 18:38
To: therion at speleo.sk
Subject: Re: [Therion] Printing xvi maps (done with pdf's)

Ben Cooper wrote...
"...I then create passage-name.th2, insert th XVI, insert station points
over the centreline, and draw the walls over the LRUD with reference to
any
sketches we have produced.  It's that simple."

Thanks Ben
Appreciate the explanation.  The way I have been working is pretty much
the
same as what you describe, and apart from some confusion over the
difference
between 'input' and 'source' commands, and LRUD data, it's been fairly
straight forward and successful.

Ladislav's reminder is helpful.  On reading the Therion Book I am not
clear
on which station the LRUP data is supposed to apply to if only one set
of
the number pair is provided?

Anyway Ben.  Your explanation stops short of the point where my
difficulty
begins.  So once the scraps are produced, I'd like them to turn up in
the
output files, pdfs, for example, so that our centreline plots become
cartographed maps as we progress through the drawing process.  I am sure
there is a simple misunderstanding I have that is tripping me up.  There
seems to be quite a good explanation at
http://therion.speleo.sk/wiki/doku.php?id=tbe:wiki3 but Therion keeps
coming
up with errors.

Maybe I should try replicating exactly the example from the Wiki, or
spend
some more time with the 'rabbit cave' example that comes with Therion...
Bruce

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