[Therion] Therion tutorial

[Martin Sluka]

There is possibility to use right click in map editor which helps much there yet.

The data editor is as is, there are several tools you may use to prepare data for therion. But to tune up the data structure you need line text format anyway. The same for archiving your data. Plain text format is human readable and one may interprets it with piece of graph paper, protractor and ruler in extreme situation. The same for maps.

The output compilation editor is the same case, there are so many possibilities, tricks, modifications of codes etc. it is not possible to use any an usable windows-like menus. There is possibility to define default layouts and then use these layouts as blocks or inputs without modifications there.

Imagine you may to use full potential of very very powerful software tools MetaPost for definition of symbols and for workaround with scraps and TeX for definition of exported maps and atlases. These programs are behind the Therion. 

For error analysis you may use Survex log and for visual identification of problem "debug on“ command in layout in compilation.

etc.

But there is not any other tool to archive data from surveys and produce maps of complicated in many levels existed cave systems. To make a simple map of a simple cave you may in many ways. But to create an usable map of real maze cave system there is only one solution.  And because any simple cave may be changed to a big maze after an exploration, … :)

The Therion package is free and multi platform!

Maybe you’ll find a programer which will be able to proof I’m not right. 

Martin


> 7. 9. 2015 v 8:46, Juan Corrin <uzueka at aol.com>:
> 
> In my opinion - and I'm repeating myself here - people give up because of the unfriendly command line environment. A windows-type interface with radio buttons and drop down menus would be much easier to use and remember. Please can the programmers work at this aspect instead of tweaking the underlying code? I don't think that yet another tutorial will help the majority of potential users.
> 
> On 6 Sep 2015 07:18, Graham Mullan <graham.mullan at coly.org.uk> wrote:
>> 
>> Nick Bairstow wrote: 
>> 
>> "I have been giving some thought to producing a tutorial to follow on from 
>> Footlegs wiki item. Unfortunately it's not a simple as I first thought. Over 
>> the next few months I will attempt to come up with something that will 
>> enable a novice therioneer understand the next steps following the Footleg 
>> wiki article. It would be nice to continue using Bull Pot as the sample cave 
>> but I have not got time to re-survey that so I propose we use an existing 
>> data set which could become the default novice reference. 
>> It seems many people give up with Therion as it is difficult to learn but 
>> with a good tutorial and a little help many more could be using it. 
>> What do people think, am I wasting my time, comments please. 
>> Oh and if someone else is already doing something similar please shout up. 
>> No point doing it twice." 
>> 
>> I use Footleg's tutorial a lot. If you are not using a program every day, 
>> then having a handy known reference point for the details is always a good 
>> thing. It doesn't cover every single aspect, so if Nick wants to add further 
>> material, I for one would be delighted. Please do it, Nick. 
>> 
>> The other main trick for learning in this way is "How did we do this last 
>> time?" or looking back at a previous data set, your own or someone else's, 
>> and seeing how it works. If there was a reference data set available (if not 
>> on the Therion wiki but on the cave-registry page, perhaps) then the 
>> tutorial could certainly link to that. Of course 'live' data can change over 
>> time, so having a fixed example set might be better. Bear in mind that data 
>> for a single cave is insufficient to cover all problems. We routinely 
>> combine data from different caves, because they are close together or, as 
>> has been done several times, to produce a context overview to show a cave in 
>> relation to its neighbours and the land surface. See, for example, the thing 
>> below the caption in the latest version of the Gough's Cave survey 
>> http://www.ubss.org.uk/resources/surveys/survex/Goughs_all.pdf  . Does 
>> anyone have a good multi-cave dataset that is now stable and so can be used 
>> for this purpose? 
>> 
>> It is also worth remembering, of course, that different people do some 
>> things differently, an example data set might enshrine work habits that are 
>> not the same as mine or yours. 
>> 
>> Graham
>> 
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