[Therion] Joining maps with the join command

[Martin Sluka]

Tarquin, may you share your data?

Martin

Odesláno z iPhonu

14. 4. 2019 v 9:32, Tarquin Wilton-Jones via Therion <therion at speleo.sk>:

> Hi all,
> 
> Thanks for that impressive load of answers,
> 
>> First of all you should input cave1.th and cave2.th to your survey caveaall! Therion must know the way to data. 
> 
> 
> Ah yes, in my example I was simplifying to keep only the most important
> lines visible and keep the question simple. That is one thing I should
> have kept in :)
> 
> My real data does of course have the imports.
> 
>>   join GreenlinkUSumpsPlan_s2 at Greenlink GreenlinkFPlan_s1 at MiddleEarth 
>> -smooth on
> 
> 
> OK ... so that syntax does in fact exist. I had not expected it to be
> valid (double @ symbol). I see Henry's example is using that same approach.
> 
>>    join jpwall04 at SwissM:end GUSwall02 at Greenlink:end
> 
> 
> I thought this is what I had used, but it failed. So I assume I have
> done something else wrong somewhere. Sadly the only error message I see
> is "invalid map item", which made me assume I was using the wrong
> approach. It's not a particularly helpful error message, since it
> doesn't tell me either the name it doesn't like, or the property that it
> doesn't like. Certainly don't want to complain about such an incredible
> piece of software, but imagine how nice it would be to see this:
> "invalid map item: jpwall04 at SwissM:*end*" ("end" is in bold/red)
> 
> With such highlighting, I would quickly be able to see that the initial
> scrap reference is good, and the line reference is good, but the
> linepoint is wrong. Oh well, this is probably not the best place for a
> feature request.
> 
>> Although looking at it now, with the benefit of 10 more years of
>> experience, I wonder if I could have used a simpler scrap to scrap join,
>> with the -count 3 option.  [Refer to the description of join on page
>> 40-41 of The Therion Book].
> 
> 
> Yes, I had wondered how to join mine in a place where there are some
> oxbowing avens (the caves join vertically through a series of holes,
> only the main one of which is surveyed with true legs), without using
> walls. It seems -count is indeed my answer! Very nice, thanks.
> 
> So now back to wondering what it doesn't like about my (apparently
> valid) join.
> 
> Cheers all!
> 
> Tarquin
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